CASTLEARK MANAGEMENT LLC
Institutional InvestorSimilar funds →SEC EDGAR: CIK 1106832
Institutional-grade research for retail investors
Email me the moment this fund files its next 13F
13F Reported Value
ⓘ$3.7B
Holdings
309
Latest Filing
2026-06-30
Filing Quarter
Q2 2026
Portfolio Overview
CASTLEARK MANAGEMENT LLC disclosed 309 positions worth $3.7B in its Form 13F-HR for Q2 2026, led by $NVDA (NVIDIA CORP) at 7.0% of the equity portfolio, followed by $GOOG and $AAPL. During the quarter the fund opened 58 new positions and exited 41 — including a new stake in $SN and a full exit from $ULTA. The portfolio is most concentrated in Technology (42.3% of disclosed assets). All figures are sourced directly from CASTLEARK MANAGEMENT LLC’s Form 13F-HR filing with the SEC under CIK 1106832.
AI Fund Analysis
ConcentratingSector Allocation
TechnologyOtherIndustrialsHealthcareConsumer DiscretionaryFinancials
AUM History
Top Equity Holdings by Value
Quarterly Activity — Q2 2026
Click any card to unlockTop Holdings
AI Quality Scored
- 85.9#5
Quality
$260.0M1,299,605 sh - 78.2#57
Quality
$181.2M507,093 sh - 76.4#84
Quality
$136.6M472,108 sh - 79.4
Quality
$123.0M283,808 sh - 79.8
Quality
$109.2M292,770 sh - 87.5
Quality
$105.2M87,697 sh - 84.5
Quality
$92.1M243,896 sh SPDR SERIES TRUST - ST INTER BD ETF
—Quality
$90.0M2,688,380 sh- 82.9
Quality
$81.0M236,166 sh - 81.9
Quality
$80.4M473,319 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
 NVIDIA CORP$NVDA | 85.9#5 | $260.0M | 1,299,605 |
 Alphabet Inc.$GOOG | 78.2#57 | $181.2M | 507,093 |
 Apple Inc.$AAPL | 76.4#84 | $136.6M | 472,108 |
 LAM RESEARCH CORP$LRCX | 79.4 | $123.0M | 283,808 |
 MICROSOFT CORP$MSFT | 79.8 | $109.2M | 292,770 |
 ELI LILLY & Co$LLY | 87.5 | $105.2M | 87,697 |
 Broadcom Inc.$AVGO | 84.5 | $92.1M | 243,896 |
| SPDR SERIES TRUST - ST INTER BD ETF | — | $90.0M | 2,688,380 |
 VISA INC.$V | 82.9 | $81.0M | 236,166 |
 Arista Networks, Inc.$ANET | 81.9 | $80.4M | 473,319 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of CASTLEARK MANAGEMENT LLC's 309 positions.
Showing top 10 of 309 holdings.
Sector Allocation
Technology
$1.6B
Other
$433.6M
Industrials
$426.6M
Healthcare
$373.2M
Consumer Discretionary
$321.2M
Financials
$290.0M
Energy
$198.4M
Materials
$55.6M
Full Holdings — CASTLEARK MANAGEMENT LLC (Q2 2026)
All 309 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | $NVDA | NVIDIA CORP | $260.0M | 7.0% | +3% | 85.9 |
| 2 | $GOOG | Alphabet Inc. | $181.2M | 4.9% | +21% | 78.2 |
| 3 | $AAPL | Apple Inc. | $136.6M | 3.7% | +35% | 76.4 |
| 4 | $LRCX | LAM RESEARCH CORP | $123.0M | 3.3% | -16% | 79.4 |
| 5 | $MSFT | MICROSOFT CORP | $109.2M | 2.9% | +11% | 79.8 |
| 6 | $LLY | ELI LILLY & Co | $105.2M | 2.8% | +19% | 87.5 |
| 7 | $AVGO | Broadcom Inc. | $92.1M | 2.5% | +20% | 84.5 |
| 8 | — | SPDR SERIES TRUST - ST INTER BD ETF | $90.0M | 2.4% | +0% | — |
| 9 | $V | VISA INC. | $81.0M | 2.2% | +54% | 82.9 |
| 10 | $ANET | Arista Networks, Inc. | $80.4M | 2.2% | +10% | 81.9 |
| 11 | — | ISHARES TR - US TREAS BD ETF | $75.8M | 2.0% | +0% | — |
| 12 | — | VANGUARD SCOTTSDALE FDS - MTG-BKD SECS ETF | $69.6M | 1.9% | +0% | — |
| 13 |  $AMD | ADVANCED MICRO DEVICES INC | $69.0M | 1.9% | +34% | 79.8 |
| 14 |  $GILD | GILEAD SCIENCES, INC. | $66.6M | 1.8% | +54% | 57.4 |
| 15 |  $AMZN | AMAZON COM INC | $63.9M | 1.7% | +9% | 68.7 |
| 16 |  $GEV | GE Vernova Inc. | $54.2M | 1.5% | +11% | 81.1 |
| 17 |  $META | Meta Platforms, Inc. | $52.8M | 1.4% | -24% | 79.6 |
| 18 |  $ADI | ANALOG DEVICES INC | $48.0M | 1.3% | +55% | 79.2 |
| 19 |  $MA | Mastercard Inc | $47.0M | 1.3% | -1% | 85.1 |
| 20 |  $MS | MORGAN STANLEY | $43.6M | 1.2% | +781% | 75.8 |
| 21 |  $SNOW | Snowflake Inc. | $42.5M | 1.1% | +23% | 54.9 |
| 22 |  $VRT | Vertiv Holdings Co | $41.5M | 1.1% | +10% | 81 |
| 23 |  $TPR | TAPESTRY, INC. | $38.9M | 1.1% | +30% | 72.7 |
| 24 | — | SPDR SERIES TRUST - ST SHO TREAS ETF | $38.7M | 1.0% | +0% | — |
| 25 | — | VANGUARD SCOTTSDALE FDS - LG-TERM COR BD | $33.7M | 0.9% | +0% | — |
| 26 |  $NOW | ServiceNow, Inc. | $31.9M | 0.9% | +6% | 72.9 |
| 27 | — | ISHARES TR - 10-20 YR TRS ETF | $25.9M | 0.7% | +0% | — |
| 28 |  $BKNG | Booking Holdings Inc. | $24.4M | 0.7% | +2694% | 58.5 |
| 29 |  $MCO | MOODYS CORP /DE/ | $24.2M | 0.7% | +216% | 79.1 |
| 30 |  $TSLA | Tesla, Inc. | $20.2M | 0.6% | +23% | 53.9 |
| 31 |  $CAT | CATERPILLAR INC | $20.2M | 0.5% | +36% | 66.5 |
| 32 |  $GE | GENERAL ELECTRIC CO | $19.7M | 0.5% | +72% | 73.8 |
| 33 |  $TSM | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | $19.7M | 0.5% | +0% | — |
| 34 |  $LGND | LIGAND PHARMACEUTICALS INC | $19.6M | 0.5% | +27% | 76 |
| 35 |  $SN | SharkNinja, Inc. | $19.4M | 0.5% | NEW | 66.8 |
| 36 | — | ISHARES TR - MBS ETF | $19.3M | 0.5% | +0% | — |
| 37 |  $TWLO | TWILIO INC | $19.1M | 0.5% | +245% | 70.4 |
| 38 |  $BKR | Baker Hughes Co | $18.3M | 0.5% | -15% | 60.7 |
| 39 |  $GTX | Garrett Motion Inc. | $17.0M | 0.5% | -4% | 56.8 |
| 40 |  $JPM | JPMORGAN CHASE & CO | $16.5M | 0.5% | +0% | 70.7 |
| 41 |  $ASND | Ascendis Pharma A/S | $16.5M | 0.4% | -9% | 44.8 |
| 42 |  $JBHT | HUNT J B TRANSPORT SERVICES INC | $16.4M | 0.4% | +150% | 60.2 |
| 43 |  $FANG | Diamondback Energy, Inc. | $15.9M | 0.4% | -37% | 76.1 |
| 44 |  $GM | General Motors Co | $15.4M | 0.4% | +101% | 54.3 |
| 45 |  $BTSG | BrightSpring Health Services, Inc. | $14.8M | 0.4% | -14% | 63.3 |
| 46 |  $SMTC | SEMTECH CORP | $14.8M | 0.4% | -15% | 55.9 |
| 47 |  $FCFS | FirstCash Holdings, Inc. | $14.8M | 0.4% | -4% | 69.3 |
| 48 |  $MAR | MARRIOTT INTERNATIONAL INC /MD/ | $14.0M | 0.4% | +353% | 61.7 |
| 49 | — | ISHARES TR - ISHS 5-10YR INVT | $13.8M | 0.4% | +0% | — |
| 50 |  $TJX | TJX COMPANIES INC /DE/ | $13.7M | 0.4% | +0% | 68.7 |
| 51 |  $UBER | Uber Technologies, Inc | $13.7M | 0.4% | +12% | 73.5 |
| 52 |  $UCTT | Ultra Clean Holdings, Inc. | $13.7M | 0.4% | -4% | 40.1 |
| 53 |  $NOVT | NOVANTA INC | $13.5M | 0.4% | +138% | 51.2 |
| 54 |  $AXON | AXON ENTERPRISE, INC. | $13.1M | 0.3% | +164% | 56.6 |
| 55 |  $BA | BOEING CO | $12.9M | 0.3% | +128% | 61.6 |
| 56 | — | SPDR SERIES TRUST - ST STR SP BIOT | $12.8M | 0.3% | +0% | — |
| 57 |  $ESI | Element Solutions Inc | $12.6M | 0.3% | -4% | 46.2 |
| 58 |  $MYRG | MYR GROUP INC. | $12.5M | 0.3% | +42% | 59.2 |
| 59 |  $GH | Guardant Health, Inc. | $12.0M | 0.3% | -50% | 39 |
| 60 | — | ISHARES TR - 20 YR TR BD ETF | $11.9M | 0.3% | +0% | — |
| 61 |  $FROG | JFrog Ltd | $11.8M | 0.3% | +39% | — |
| 62 |  $C | CITIGROUP INC | $11.7M | 0.3% | +76% | 65 |
| 63 |  $XPO | XPO, Inc. | $11.7M | 0.3% | +121% | 58.4 |
| 64 |  $KLIC | KULICKE & SOFFA INDUSTRIES INC | $11.6M | 0.3% | -18% | 57.2 |
| 65 |  $HQY | HEALTHEQUITY, INC. | $11.5M | 0.3% | +163% | 71.2 |
| 66 |  $XMTR | Xometry, Inc. | $11.3M | 0.3% | +115% | 48.3 |
| 67 |  $LSCC | LATTICE SEMICONDUCTOR CORP | $11.3M | 0.3% | -19% | 48.7 |
| 68 |  $JAZZ | Jazz Pharmaceuticals plc | $11.3M | 0.3% | -4% | — |
| 69 |  $HLIO | HELIOS TECHNOLOGIES, INC. | $11.2M | 0.3% | -22% | 54.6 |
| 70 |  $KNSA | Kiniksa Pharmaceuticals International, plc | $11.1M | 0.3% | -4% | — |
| 71 |  $ESE | ESCO TECHNOLOGIES INC | $11.1M | 0.3% | +77% | 70 |
| 72 |  $VSEC | VSE CORP | $11.0M | 0.3% | -4% | 56.5 |
| 73 |  $TKR | TIMKEN CO | $11.0M | 0.3% | +87% | 54.4 |
| 74 |  $HXL | HEXCEL CORP /DE/ | $10.6M | 0.3% | NEW | 58.1 |
| 75 |  $BWA | BORGWARNER INC | $10.5M | 0.3% | +7% | 56 |
| 76 |  $AIR | AAR CORP | $10.5M | 0.3% | +22% | 60.8 |
| 77 |  $WMT | Walmart Inc. | $10.4M | 0.3% | -19% | 60.2 |
| 78 |  $CROX | Crocs, Inc. | $10.4M | 0.3% | NEW | 58 |
| 79 |  $EQT | EQT Corp | $10.3M | 0.3% | +0% | 83.7 |
| 80 |  $SXT | SENSIENT TECHNOLOGIES CORP | $10.2M | 0.3% | NEW | 52.2 |
| 81 |  $MXL | MAXLINEAR, INC | $10.2M | 0.3% | NEW | 33.1 |
| 82 |  $SEI | Solaris Energy Infrastructure, Inc. | $10.1M | 0.3% | +33% | 56.4 |
| 83 |  $EVR | Evercore Inc. | $10.0M | 0.3% | -4% | 76.9 |
| 84 |  $SHOP | SHOPIFY INC. | $10.0M | 0.3% | -72% | 64.9 |
| 85 |  $ALGM | ALLEGRO MICROSYSTEMS, INC. | $9.9M | 0.3% | -4% | 47.6 |
| 86 |  $ULS | UL Solutions Inc. | $9.9M | 0.3% | NEW | 65.2 |
| 87 |  $WMB | WILLIAMS COMPANIES, INC. | $9.8M | 0.3% | +0% | 64.3 |
| 88 |  $CWST | CASELLA WASTE SYSTEMS INC | $9.7M | 0.3% | NEW | 57.1 |
| 89 |  $CDNL | Cardinal Infrastructure Group Inc. | $9.7M | 0.3% | NEW | 56.4 |
| 90 |  $SOLS | Solstice Advanced Materials Inc. | $9.7M | 0.3% | -4% | 61.6 |
| 91 |  $DY | DYCOM INDUSTRIES INC | $9.5M | 0.3% | -42% | 56.3 |
| 92 |  $RAL | Ralliant Corp | $9.5M | 0.3% | NEW | 37.1 |
| 93 |  $WCC | WESCO INTERNATIONAL INC | $9.4M | 0.3% | -4% | 48.8 |
| 94 |  $WSC | WillScot Holdings Corp | $9.4M | 0.3% | NEW | 47.5 |
| 95 |  $KNX | Knight-Swift Transportation Holdings Inc. | $9.4M | 0.3% | -4% | 54.4 |
| 96 |  $LTH | Life Time Group Holdings, Inc. | $9.4M | 0.3% | NEW | 60.9 |
| 97 |  $CGNX | COGNEX CORP | $9.3M | 0.3% | +17% | 66.9 |
| 98 |  $AXP | AMERICAN EXPRESS CO | $9.2M | 0.3% | +920% | 69.4 |
| 99 |  $ASB | ASSOCIATED BANC-CORP | $9.2M | 0.3% | -4% | 64.9 |
| 100 |  $BKD | Brookdale Senior Living Inc. | $9.2M | 0.3% | -5% | 44.1 |
| 101 |  $MU | MICRON TECHNOLOGY INC | $9.1M | 0.3% | -28% | 86.2 |
| 102 |  $GWW | W.W. GRAINGER, INC. | $9.0M | 0.2% | +18% | 61.8 |
| 103 |  $OPLN | OPENLANE, Inc. | $9.0M | 0.2% | NEW | 61 |
| 104 | — | SELECT SECTOR SPDR TR - ST STR CARE ETF | $8.9M | 0.2% | +0% | — |
| 105 |  $RIG | Transocean Ltd. | $8.9M | 0.2% | +117% | — |
| 106 |  $ELAN | Elanco Animal Health Inc | $8.8M | 0.2% | +1% | 48.7 |
| 107 |  $WULF | TERAWULF INC. | $8.7M | 0.2% | NEW | 33.8 |
| 108 |  $ENVA | Enova International, Inc. | $8.7M | 0.2% | -4% | 69.9 |
| 109 |  $INTC | INTEL CORP | $8.6M | 0.2% | NEW | 45.6 |
| 110 |  $RUSHA | RUSH ENTERPRISES INC \TX\ | $8.3M | 0.2% | NEW | 51.7 |
| 111 |  $TGTX | TG THERAPEUTICS, INC. | $8.3M | 0.2% | NEW | 69.3 |
| 112 |  $FAST | FASTENAL CO | $8.2M | 0.2% | +15% | 66.9 |
| 113 |  $CRL | CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | $8.2M | 0.2% | -9% | 43.8 |
| 114 |  $PRAX | Praxis Precision Medicines, Inc. | $8.2M | 0.2% | NEW | — |
| 115 |  $FFIV | F5, INC. | $8.1M | 0.2% | NEW | 66.9 |
| 116 |  $LINC | LINCOLN EDUCATIONAL SERVICES CORP | $8.1M | 0.2% | +8% | 60.3 |
| 117 |  $BRKR | BRUKER CORP | $8.1M | 0.2% | NEW | 50.8 |
| 118 |  $CF | CF Industries Holdings, Inc. | $8.0M | 0.2% | -43% | 77.4 |
| 119 |  $LBRT | Liberty Energy Inc. | $7.8M | 0.2% | +12% | 42 |
| 120 |  $MOH | MOLINA HEALTHCARE, INC. | $7.7M | 0.2% | NEW | 56.5 |
| 121 |  $RRC | RANGE RESOURCES CORP | $7.6M | 0.2% | -50% | 79.4 |
| 122 |  $PENN | PENN Entertainment, Inc. | $7.5M | 0.2% | NEW | 41.2 |
| 123 |  $MOD | MODINE MANUFACTURING CO | $7.5M | 0.2% | -26% | 56.3 |
| 124 |  $H | Hyatt Hotels Corp | $7.4M | 0.2% | +114% | 47.9 |
| 125 |  $PL | Planet Labs PBC | $7.3M | 0.2% | -22% | 38.4 |
| 126 |  $ALSN | Allison Transmission Holdings Inc | $7.3M | 0.2% | +28% | 66.8 |
| 127 |  $PAY | Paymentus Holdings, Inc. | $7.2M | 0.2% | +10% | 69.6 |
| 128 |  $MUSA | Murphy USA Inc. | $7.2M | 0.2% | +23% | 52.7 |
| 129 |  $PLXS | PLEXUS CORP | $7.1M | 0.2% | -4% | 62.5 |
| 130 |  $TXRH | Texas Roadhouse, Inc. | $7.1M | 0.2% | -12% | 62.7 |
| 131 |  $HRI | HERC HOLDINGS INC | $7.0M | 0.2% | NEW | 65.3 |
| 132 |  $MSM | MSC INDUSTRIAL DIRECT CO INC | $6.9M | 0.2% | NEW | 50.2 |
| 133 |  $SF | STIFEL FINANCIAL CORP | $6.9M | 0.2% | -4% | 67 |
| 134 |  $CAVA | CAVA GROUP, INC. | $6.8M | 0.2% | NEW | 57.1 |
| 135 |  $DGX | QUEST DIAGNOSTICS INC | $6.7M | 0.2% | NEW | 69 |
| 136 |  $APG | APi Group Corp | $6.5M | 0.2% | -24% | 65.4 |
| 137 |  $LNG | Cheniere Energy, Inc. | $6.3M | 0.2% | +10% | 66.5 |
| 138 |  $RRX | REGAL REXNORD CORP | $6.3M | 0.2% | +36% | 52 |
| 139 |  $QXO | QXO, Inc. | $6.3M | 0.2% | -4% | 49 |
| 140 |  $PTGX | Protagonist Therapeutics, Inc | $6.2M | 0.2% | NEW | 59.4 |
| 141 |  $AAON | AAON, INC. | $6.2M | 0.2% | NEW | 56.4 |
| 142 |  $CTRI | Centuri Holdings, Inc. | $6.2M | 0.2% | NEW | 51.9 |
| 143 |  $JHX | James Hardie Industries plc | $6.1M | 0.2% | NEW | — |
| 144 |  $WH | WYNDHAM HOTELS & RESORTS, INC. | $6.1M | 0.2% | -4% | 51.3 |
| 145 |  $AEIS | ADVANCED ENERGY INDUSTRIES INC | $6.0M | 0.2% | -65% | 61.7 |
| 146 |  $KRYS | Krystal Biotech, Inc. | $6.0M | 0.2% | -49% | 79.2 |
| 147 |  $BBIO | BridgeBio Pharma, Inc. | $5.8M | 0.2% | -4% | 36.9 |
| 148 | — | ISHARES TR - RUS 1000 VAL ETF | $5.8M | 0.2% | +0% | — |
| 149 |  $TEX | TEREX CORP | $5.8M | 0.2% | +6% | 58.6 |
| 150 | — | ISHARES INC - MSCI AUST ETF | $5.8M | 0.2% | +5339% | — |
| 151 |  $TRGP | Targa Resources Corp. | $5.8M | 0.2% | +0% | 63.3 |
| 152 |  $COCO | Vita Coco Company, Inc. | $5.8M | 0.2% | -11% | 63.1 |
| 153 |  $MPC | Marathon Petroleum Corp | $5.7M | 0.1% | +0% | 61 |
| 154 |  $HOOD | Robinhood Markets, Inc. | $5.7M | 0.1% | +13% | 82.1 |
| 155 |  $EXE | EXPAND ENERGY Corp | $5.6M | 0.1% | +0% | 80.8 |
| 156 |  $DOCN | DigitalOcean Holdings, Inc. | $5.6M | 0.1% | -81% | 67.2 |
| 157 |  $AXSM | Axsome Therapeutics, Inc. | $5.4M | 0.1% | -4% | 40.8 |
| 158 |  $TTMI | TTM TECHNOLOGIES INC | $5.3M | 0.1% | -69% | 62.6 |
| 159 |  $SXI | STANDEX INTERNATIONAL CORP/DE/ | $5.2M | 0.1% | NEW | 60.5 |
| 160 |  $SJM | J M SMUCKER Co | $5.1M | 0.1% | -24% | 59.1 |
| 161 |  $GLD | SPDR GOLD TRUST | $5.0M | 0.1% | -16% | — |
| 162 |  $PR | Permian Resources Corp | $5.0M | 0.1% | -57% | 79.5 |
| 163 |  $GENI | Genius Sports Ltd | $4.9M | 0.1% | NEW | — |
| 164 |  $BC | BRUNSWICK CORP | $4.8M | 0.1% | -28% | 45.7 |
| 165 |  $AGX | ARGAN INC | $4.8M | 0.1% | NEW | 81.4 |
| 166 |  $GLW | CORNING INC /NY | $4.7M | 0.1% | NEW | 73.7 |
| 167 |  $TRP | TC ENERGY CORP | $4.7M | 0.1% | +9% | — |
| 168 |  $IONQ | IonQ, Inc. | $4.6M | 0.1% | NEW | 30.2 |
| 169 |  $ET | Energy Transfer LP | $4.6M | 0.1% | +0% | 64.4 |
| 170 |  $BAND | Bandwidth Inc. | $4.4M | 0.1% | NEW | 49.4 |
| 171 |  $QBTS | D-Wave Quantum Inc. | $4.3M | 0.1% | NEW | 27.9 |
| 172 |  $SPCX | SPACE EXPLORATION TECHNOLOGIES CORP | $4.3M | 0.1% | NEW | — |
| 173 |  $VCYT | VERACYTE, INC. | $4.2M | 0.1% | NEW | 68.6 |
| 174 |  $HD | HOME DEPOT, INC. | $4.1M | 0.1% | -10% | 60.3 |
| 175 |  $LASR | NLIGHT, INC. | $4.0M | 0.1% | -35% | 54.1 |
| 176 |  $SKY | Champion Homes, Inc. | $4.0M | 0.1% | NEW | 60.6 |
| 177 |  $TTAN | ServiceTitan, Inc. | $4.0M | 0.1% | NEW | 49.2 |
| 178 |  $QQQ | INVESCO QQQ TRUST, SERIES 1 | $3.9M | 0.1% | +0% | — |
| 179 |  $COGT | Cogent Biosciences, Inc. | $3.9M | 0.1% | +56% | — |
| 180 |  $XENE | Xenon Pharmaceuticals Inc. | $3.7M | 0.1% | -4% | 24 |
| 181 |  $DELL | Dell Technologies Inc. | $3.7M | 0.1% | NEW | 71.2 |
| 182 |  $KMI | KINDER MORGAN, INC. | $3.7M | 0.1% | +0% | 71.3 |
| 183 |  $ARQT | Arcutis Biotherapeutics, Inc. | $3.6M | 0.1% | -53% | 62.9 |
| 184 |  $MCHP | MICROCHIP TECHNOLOGY INC | $3.1M | 0.1% | -83% | 52.9 |
| 185 |  $OKE | ONEOK INC /NEW/ | $3.0M | 0.1% | +0% | 71.7 |
| 186 |  $FTI | TechnipFMC plc | $3.0M | 0.1% | -67% | — |
| 187 |  $EPD | ENTERPRISE PRODUCTS PARTNERS L.P. | $2.9M | 0.1% | +0% | 61.4 |
| 188 |  $PTCT | PTC THERAPEUTICS, INC. | $2.8M | 0.1% | -63% | 35.4 |
| 189 |  $XOM.R34088 | EXXON MOBIL CORP | $2.8M | 0.1% | -69% | 57.9 |
| 190 |  $TOL | Toll Brothers, Inc. | $2.7M | 0.1% | -68% | 58.1 |
| 191 |  $ENB | ENBRIDGE INC | $2.7M | 0.1% | +0% | 66.7 |
| 192 |  $MDGL | MADRIGAL PHARMACEUTICALS, INC. | $2.7M | 0.1% | -4% | 40.7 |
| 193 |  $COST | COSTCO WHOLESALE CORP /NEW | $2.6M | 0.1% | +0% | 66.2 |
| 194 |  $OXY | OCCIDENTAL PETROLEUM CORP /DE/ | $2.6M | 0.1% | +0% | 62.6 |
| 195 | — | ISHARES INC - MSCI STH KOR ETF | $2.5M | 0.1% | +1395% | — |
| 196 |  $EXTR | EXTREME NETWORKS INC | $2.5M | 0.1% | NEW | 54 |
| 197 |  $GOOGL | Alphabet Inc. | $2.5M | 0.1% | -76% | 78.2 |
| 198 |  $SYRE | Spyre Therapeutics, Inc. | $2.3M | 0.1% | NEW | — |
| 199 | — | ISHARES TR - RUS MD CP GR ETF | $2.3M | 0.1% | +0% | — |
| 200 |  $STRL | STERLING INFRASTRUCTURE, INC. | $2.2M | 0.1% | -88% | 70.6 |
| 201 | — | ISHARES TR - IBOXX INV CP ETF | $2.1M | 0.1% | +92% | — |
| 202 |  $NXT | Nextpower Inc. | $2.1M | 0.1% | -85% | 69.1 |
| 203 |  $ACA | Arcosa, Inc. | $2.0M | 0.1% | -81% | 60.2 |
| 204 |  $FTAI | FTAI Aviation Ltd. | $2.0M | 0.1% | -5% | — |
| 205 |  $RACE | Ferrari N.V. | $2.0M | 0.1% | +0% | — |
| 206 |  $CVX | CHEVRON CORP | $2.0M | 0.1% | -91% | 62.8 |
| 207 |  $VFC | V F CORP | $1.9M | 0.1% | NEW | 49.8 |
| 208 |  $VRNS | VARONIS SYSTEMS INC | $1.9M | 0.1% | NEW | 46.2 |
| 209 |  $DKS | DICK'S SPORTING GOODS, INC. | $1.9M | 0.1% | +0% | 63 |
| 210 |  $MGY | Magnolia Oil & Gas Corp | $1.9M | 0.1% | +0% | 67.3 |
| 211 | — | ISHARES INC - MSCI BRAZIL ETF | $1.9M | 0.1% | NEW | — |
| 212 | — | ISHARES TR - RUS 1000 GRW ETF | $1.9M | 0.1% | +300% | — |
| 213 |  $MPLX | MPLX LP | $1.8M | 0.1% | -23% | 70 |
| 214 |  $LECO | LINCOLN ELECTRIC HOLDINGS INC | $1.8M | 0.1% | +0% | 60.1 |
| 215 | — | SPDR SERIES TRUST - SP O&G EXPL PRO | $1.8M | 0.1% | -75% | — |
| 216 |  $VLO | VALERO ENERGY CORP/TX | $1.7M | 0.1% | -11% | 57.8 |
| 217 |  $FLEX | FLEX LTD. | $1.7M | 0.1% | +0% | — |
| 218 |  $AROC | Archrock, Inc. | $1.7M | 0.1% | -18% | 72 |
| 219 |  $CAMT | CAMTEK LTD | $1.6M | 0.0% | -36% | — |
| 220 |  $PAA | PLAINS ALL AMERICAN PIPELINE LP | $1.6M | 0.0% | +0% | 59.1 |
| 221 |  $CRS | CARPENTER TECHNOLOGY CORP | $1.5M | 0.0% | +55% | 64.6 |
| 222 |  $DTM | DT Midstream, Inc. | $1.4M | 0.0% | +0% | 68.6 |
| 223 | — | SPINNAKER ETF SERIES - SELE STO EUR ETF | $1.3M | 0.0% | -79% | — |
| 224 |  $SITM | SITIME Corp | $1.3M | 0.0% | -90% | 66.1 |
| 225 |  $QCOM | QUALCOMM INC/DE | $1.3M | 0.0% | +0% | 70.5 |
| 226 |  $CEG | Constellation Energy Corp | $1.3M | 0.0% | +0% | 59.4 |
| 227 |  $NRG | NRG ENERGY, INC. | $1.2M | 0.0% | +542% | 51.9 |
| 228 |  $WWD | Woodward, Inc. | $1.2M | 0.0% | +0% | 67.3 |
| 229 |  $KGS | Kodiak Gas Services, Inc. | $1.2M | 0.0% | +0% | 57 |
| 230 |  $TER | TERADYNE, INC | $1.1M | 0.0% | -55% | 77.3 |
| 231 |  $MTZ | MASTEC INC | $1.1M | 0.0% | +0% | 58.8 |
| 232 |  $ODFL | OLD DOMINION FREIGHT LINE, INC. | $1.1M | 0.0% | -85% | 61.3 |
| 233 |  $VNOM | Viper Energy, Inc. | $1.0M | 0.0% | +0% | 71.8 |
| 234 |  $TDG | TransDigm Group INC | $1.0M | 0.0% | +0% | 68 |
| 235 |  $AM | Antero Midstream Corp | $993,720 | 0.0% | +0% | 65.4 |
| 236 |  $PWR | QUANTA SERVICES, INC. | $993,655 | 0.0% | +0% | 72.1 |
| 237 | — | FIRST TR EXCHANGE-TRADED FD - GBL WND ENRG ETF | $984,512 | 0.0% | +0% | — |
| 238 |  $SUN | Sunoco LP | $975,375 | 0.0% | +0% | 63.6 |
| 239 |  $TSEM | TOWER SEMICONDUCTOR LTD | $959,155 | 0.0% | -93% | — |
| 240 |  $VIAV | VIAVI SOLUTIONS INC. | $956,958 | 0.0% | -95% | 51.5 |
| 241 |  $ATI | ATI INC | $951,993 | 0.0% | NEW | 63.1 |
| 242 |  $BKV | BKV Corp | $893,304 | 0.0% | +68% | 60.5 |
| 243 | — | ISHARES TR - EUROPE ETF | $881,485 | 0.0% | +0% | — |
| 244 |  $SCHW | SCHWAB CHARLES CORP | $863,647 | 0.0% | -98% | 79.4 |
| 245 |  $FSLR | FIRST SOLAR, INC. | $863,614 | 0.0% | -32% | 79.2 |
| 246 |  $RKLB | Rocket Lab Corp | $836,580 | 0.0% | -43% | 39.9 |
| 247 |  $INSM | INSMED Inc | $830,570 | 0.0% | +0% | 39.4 |
| 248 |  $KEX | KIRBY CORP | $806,302 | 0.0% | NEW | 63.8 |
| 249 |  $VRSN | VERISIGN INC/CA | $802,476 | 0.0% | NEW | 71.3 |
| 250 |  $NEXT | NextDecade Corp | $801,125 | 0.0% | +0% | — |
| 251 |  $EME | EMCOR Group, Inc. | $755,191 | 0.0% | +0% | 69.3 |
| 252 |  $NTRA | Natera, Inc. | $754,631 | 0.0% | NEW | 53.5 |
| 253 |  $CME | CME GROUP INC. | $750,822 | 0.0% | +0% | 69.5 |
| 254 |  $RMBS | RAMBUS INC | $744,671 | 0.0% | NEW | 70.2 |
| 255 |  $RIOT | Riot Platforms, Inc. | $715,166 | 0.0% | NEW | 38.3 |
| 256 |  $HESM | Hess Midstream LP | $706,692 | 0.0% | -36% | 71.3 |
| 257 |  $PCAR | PACCAR INC | $693,573 | 0.0% | +0% | 56.5 |
| 258 |  $ETR | ENTERGY CORP /DE/ | $685,714 | 0.0% | +0% | 59.5 |
| 259 |  $VST | Vistra Corp. | $659,901 | 0.0% | +0% | 71.9 |
| 260 |  $SNPS | SYNOPSYS INC | $612,008 | 0.0% | +0% | 67.9 |
| 261 |  $GLNG | GOLAR LNG LTD | $608,546 | 0.0% | +0% | — |
| 262 |  $NFG | NATIONAL FUEL GAS CO | $591,429 | 0.0% | +0% | 67.8 |
| 263 |  $WES | Western Midstream Partners, LP | $585,946 | 0.0% | +0% | 71 |
| 264 |  $NEE | NEXTERA ENERGY INC | $583,671 | 0.0% | +0% | 64.6 |
| 265 |  $PG | PROCTER & GAMBLE Co | $557,232 | 0.0% | +0% | 64.6 |
| 266 |  $JLL | JONES LANG LASALLE INC | $533,114 | 0.0% | -84% | 64.2 |
| 267 |  $USAC | USA Compression Partners, LP | $527,536 | 0.0% | +0% | 68.4 |
| 268 |  $CTAS | CINTAS CORP | $503,437 | 0.0% | +0% | 68.7 |
| 269 |  $KNTK | Kinetik Holdings Inc. | $501,286 | 0.0% | +0% | 59.6 |
| 270 |  $VG | Venture Global, Inc. | $488,273 | 0.0% | NEW | 69.5 |
| 271 |  $AEP | AMERICAN ELECTRIC POWER CO INC | $480,203 | 0.0% | NEW | 66.8 |
| 272 |  $ISRG | INTUITIVE SURGICAL INC | $477,216 | 0.0% | +0% | 79.9 |
| 273 | — | ISHARES TR - RUS 2000 GRW ETF | $472,752 | 0.0% | +0% | — |
| 274 |  $SBUX | STARBUCKS CORP | $472,118 | 0.0% | +0% | 58.2 |
| 275 |  $BE | Bloom Energy Corp | $441,942 | 0.0% | -97% | 66.2 |
| 276 |  $MTDR | Matador Resources Co | $415,663 | 0.0% | +0% | 65.9 |
| 277 |  $EOG | EOG RESOURCES INC | $389,190 | 0.0% | +0% | 71.9 |
| 278 |  $MOG-A | MOOG INC. | $364,502 | 0.0% | +0% | 65.1 |
| 279 |  $VRTX | VERTEX PHARMACEUTICALS INC / MA | $362,613 | 0.0% | +0% | 75.4 |
| 280 | — | ISHARES INC - MSCI JAPAN ETF | $360,955 | 0.0% | +0% | — |
| 281 |  $POWL | POWELL INDUSTRIES INC | $352,223 | 0.0% | +200% | 69.8 |
| 282 |  $ALB | ALBEMARLE CORP | $326,773 | 0.0% | NEW | 53.3 |
| 283 |  $FDX | FEDEX CORP | $313,130 | 0.0% | +0% | 60.3 |
| 284 |  $DIOD | DIODES INC /DEL/ | $288,922 | 0.0% | NEW | 52.1 |
| 285 |  $MLM | MARTIN MARIETTA MATERIALS INC | $276,816 | 0.0% | -73% | 62.9 |
| 286 |  $KO | COCA COLA CO | $276,074 | 0.0% | +0% | 69.5 |
| 287 | — | ISHARES INC - MSCI TAIWAN ETF | $272,611 | 0.0% | +0% | — |
| 288 |  $ETN | Eaton Corp plc | $251,411 | 0.0% | +0% | — |
| 289 |  $IREN | IREN Ltd | $240,083 | 0.0% | +0% | 46.3 |
| 290 | — | ISHARES TR - RUS 2000 VAL ETF | $234,472 | 0.0% | +0% | — |
| 291 |  $TLN | Talen Energy Corp | $230,556 | 0.0% | -69% | 57.2 |
| 292 |  $FCX | FREEPORT-MCMORAN INC | $227,033 | 0.0% | +0% | 62 |
| 293 |  $GNTX | GENTEX CORP | $217,827 | 0.0% | +0% | 64.7 |
| 294 |  $CMI | CUMMINS INC | $213,963 | 0.0% | +0% | 58.1 |
| 295 | — | ISHARES INC - MSCI CDA ETF | $211,539 | 0.0% | +0% | — |
| 296 |  $ITW | ILLINOIS TOOL WORKS INC | $208,262 | 0.0% | +0% | 63.6 |
| 297 |  $SGI | SOMNIGROUP INTERNATIONAL INC. | $163,856 | 0.0% | -96% | 71.6 |
| 298 | — | ISHARES TR - ISHARES SEMICDTR | $147,375 | 0.0% | NEW | — |
| 299 | — | ISHARES TR - MSCI EMG MKT ETF | $136,820 | 0.0% | +0% | — |
| 300 |  $TRMB | TRIMBLE INC. | $110,549 | 0.0% | +0% | 49.3 |
| 301 |  $SYK | STRYKER CORP | $107,046 | 0.0% | +0% | 72.1 |
| 302 |  $FISV | FISERV INC | $98,100 | 0.0% | +0% | 60.7 |
| 303 |  $NKE | NIKE, Inc. | $82,100 | 0.0% | +0% | 49.3 |
| 304 |  $LUV | SOUTHWEST AIRLINES CO | $80,215 | 0.0% | +0% | 55.9 |
| 305 |  $FDXF | FedEx Freight Holding Company, Inc. | $75,500 | 0.0% | NEW | — |
| 306 |  $PFE | PFIZER INC | $71,542 | 0.0% | +0% | 62 |
| 307 |  $RPM | RPM INTERNATIONAL INC/DE/ | $64,467 | 0.0% | +0% | 59.6 |
| 308 | — | ISHARES INC - MSCI MEXICO ETF | $48,926 | 0.0% | NEW | — |
| 309 |  $PAYX | PAYCHEX INC | $35,399 | 0.0% | +0% | 74.6 |
New Positions (58)
$SN SharkNinja, Inc.$19.4M$HXL HEXCEL CORP /DE/$10.6M$CROX Crocs, Inc.$10.4M$SXT SENSIENT TECHNOLOGIES CORP$10.2M$MXL MAXLINEAR, INC$10.2M$ULS UL Solutions Inc.$9.9M$CWST CASELLA WASTE SYSTEMS INC$9.7M$CDNL Cardinal Infrastructure Group Inc.$9.7M$RAL Ralliant Corp$9.5M$WSC WillScot Holdings Corp$9.4M$LTH Life Time Group Holdings, Inc.$9.4M$OPLN OPENLANE, Inc.$9.0M$WULF TERAWULF INC.$8.7M$INTC INTEL CORP$8.6M$RUSHA RUSH ENTERPRISES INC \TX\$8.3MExited Positions (41)
$ULTA Ulta Beauty, Inc.
$FIVE FIVE BELOW, INC
$TPC TUTOR PERINI CORP
$HAS HASBRO, INC.
$SPXC SPX Technologies, Inc.
$PAHC PHIBRO ANIMAL HEALTH CORP
$KTOS KRATOS DEFENSE & SECURITY SOLUTIONS, INC.
$ADSK Autodesk, Inc.
$IPGP IPG PHOTONICS CORP
$PATK PATRICK INDUSTRIES INC
$ATMU Atmus Filtration Technologies Inc.
$SSD Simpson Manufacturing Co., Inc.
$CHDN Churchill Downs Inc
$IDCC InterDigital, Inc.
$ONTO ONTO INNOVATION INC.Browse Top Institutional Investors
13F Pro tracks 8,700+ institutional investors filing 13F reports with the SEC.
Berkshire HathawayBridgewater AssociatesCitadel AdvisorsRenaissance TechnologiesTwo Sigma InvestmentsDE Shaw & CoMillennium ManagementAQR Capital ManagementPoint72 Asset ManagementTiger Global ManagementVanguard GroupBlackRock
to search all 8,700+ institutional filers.
Available Analysis
13F Pro tracks comprehensive institutional data for CASTLEARK MANAGEMENT LLC including:
Full 13F portfolio with all holdings
Quarter-over-quarter position changes
Accumulation & distribution patterns
Sector allocation breakdown
Historical portfolio evolution
New positions & complete exits
Concentration analysis
Peer comparison with similar funds
AI-powered portfolio insights
Track CASTLEARK MANAGEMENT LLC's Full Portfolio
See every holding, quarter-over-quarter changes, sector allocation, and accumulation patterns for CASTLEARK MANAGEMENT LLC and 8,700+ other institutional investors.
Free tier includes full 13F search and fund profiles. Pro starts at $6.67/mo (billed annually).
Passwordless sign-in · Payments by Stripe · Auth by Clerk
AI-Powered Hedge Fund Analysis: CASTLEARK MANAGEMENT LLC
13F Pro is an AI hedge fund tracker and stock research platform. For CASTLEARK MANAGEMENT LLC (SEC CIK: 1106832), the platform ingests every quarterly Form 13F filing and applies AI-powered analysis on top — 10 specialized AI analysts (value, growth, momentum, macro, activist, and more) debate the fund's top positions and publish AI-generated analysis with cited SEC sources.
Every holding in CASTLEARK MANAGEMENT LLC's portfolio is scored on a 32-signal AI quality ranking (ROIC, FCF margin, revenue growth, institutional flow, earnings quality, shareholder dilution, and more). Track accumulation and distribution quarter over quarter, identify conviction positions, and see AI stock analysis for each position — alongside 8,700+ other institutional filers and 2,800+ AI-ranked companies.