GAGNON SECURITIES LLC
13F Reported Value
ⓘ$433.2M
Holdings
85
Latest Filing
2026-03-31
Filing Quarter
Q1 2026
Portfolio Overview
GAGNON SECURITIES LLC disclosed 85 positions worth $433.2M in its Form 13F-HR for Q1 2026, led by $ENSG (ENSIGN GROUP, INC) at 8.4% of the equity portfolio, followed by $CDNA and $AMRC. During the quarter the fund opened 6 new positions and exited 7 and a full exit from $AL. The portfolio is most concentrated in Healthcare (40.0% of disclosed assets). All figures are sourced directly from GAGNON SECURITIES LLC’s Form 13F-HR filing with the SEC under CIK 1125725.
AI Fund Analysis
DiversifyingSector Allocation
AUM History
Top Equity Holdings by Value
Quarterly Activity — Q1 2026
Click any card to unlockTop Holdings
- 68.0#438
Quality
$36.2M179,671 sh - 44.8#1,750
Quality
$30.6M1,761,874 sh - 46.2#1,678
Quality
$21.4M840,063 sh - 38.6
Quality
$19.5M303,149 sh - 66.4
Quality
$19.5M514,257 sh - —
Quality
$17.1M886,631 sh - 61.4
Quality
$16.6M16,951 sh - 58.2
Quality
$14.6M74,913 sh - 81.4
Quality
$14.6M31,619 sh - 48.0
Quality
$14.0M617,510 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
 ENSIGN GROUP, INC$ENSG | 68.0#438 | $36.2M | 179,671 |
 CareDx, Inc.$CDNA | 44.8#1,750 | $30.6M | 1,761,874 |
 Ameresco, Inc.$AMRC | 46.2#1,678 | $21.4M | 840,063 |
 GeneDx Holdings Corp.$WGS | 38.6 | $19.5M | 303,149 |
 ENTERPRISE PRODUCTS PARTNERS L.P.$EPD | 66.4 | $19.5M | 514,257 |
 Navigator Holdings Ltd.$NVGS | — | $17.1M | 886,631 |
 EQUINIX INC$EQIX | 61.4 | $16.6M | 16,951 |
 GENERAC HOLDINGS INC.$GNRC | 58.2 | $14.6M | 74,913 |
 INTUITIVE SURGICAL INC$ISRG | 81.4 | $14.6M | 31,619 |
 Pacira BioSciences, Inc.$PCRX | 48.0 | $14.0M | 617,510 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of GAGNON SECURITIES LLC's 85 positions.
Showing top 10 of 85 holdings.
Sector Allocation
Healthcare
$173.2M
Technology
$100.3M
Industrials
$46.7M
Consumer Discretionary
$43.1M
Energy
$24.1M
Real Estate
$24.0M
Other
$15.7M
Financials
$2.7M
Full Holdings — GAGNON SECURITIES LLC (Q1 2026)
All 85 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 | $ENSG | ENSIGN GROUP, INC | $36.2M | 8.4% | -0% | 68 |
| 2 | $CDNA | CareDx, Inc. | $30.6M | 7.1% | -1% | 44.8 |
| 3 | $AMRC | Ameresco, Inc. | $21.4M | 4.9% | +1% | 46.2 |
| 4 | $WGS | GeneDx Holdings Corp. | $19.5M | 4.5% | +20% | 38.6 |
| 5 | $EPD | ENTERPRISE PRODUCTS PARTNERS L.P. | $19.5M | 4.5% | -3% | 66.4 |
| 6 | $NVGS | Navigator Holdings Ltd. | $17.1M | 4.0% | +3% | — |
| 7 | $EQIX | EQUINIX INC | $16.6M | 3.8% | -1% | 61.4 |
| 8 | $GNRC | GENERAC HOLDINGS INC. | $14.6M | 3.4% | -1% | 58.2 |
| 9 | $ISRG | INTUITIVE SURGICAL INC | $14.6M | 3.4% | -1% | 81.4 |
| 10 | $PCRX | Pacira BioSciences, Inc. | $14.0M | 3.2% | +23% | 48 |
| 11 |  $FRSH | Freshworks Inc. | $13.9M | 3.2% | +41% | 55.5 |
| 12 |  $KMX | CARMAX INC | $12.9M | 3.0% | -3% | 54.1 |
| 13 |  $PROF | Profound Medical Corp. | $12.6M | 2.9% | +0% | — |
| 14 |  $CAKE | CHEESECAKE FACTORY INC | $12.3M | 2.8% | -1% | 58.3 |
| 15 |  $BL | BLACKLINE, INC. | $11.0M | 2.5% | +6% | 49.9 |
| 16 |  $BLFS | BIOLIFE SOLUTIONS INC | $10.2M | 2.4% | +0% | 41.7 |
| 17 |  $FIVN | Five9, Inc. | $9.4M | 2.2% | -1% | 58.1 |
| 18 | — | ISHARES TR | $9.3M | 2.1% | NEW | — |
| 19 |  $CARG | CarGurus, Inc. | $9.2M | 2.1% | +0% | 66.8 |
| 20 |  $AMPL | Amplitude, Inc. | $7.2M | 1.7% | +52% | 34.5 |
| 21 |  $TMCI | TREACE MEDICAL CONCEPTS, INC. | $7.0M | 1.6% | +67% | 27.2 |
| 22 |  $QDEL | QuidelOrtho Corp | $6.6M | 1.5% | +153% | 26.4 |
| 23 |  $ASPN | ASPEN AEROGELS INC | $6.4M | 1.5% | +64% | 26.6 |
| 24 |  $PRLB | Proto Labs Inc | $6.3M | 1.5% | -1% | 51.2 |
| 25 |  $CELC | Celcuity Inc. | $6.1M | 1.4% | -0% | — |
| 26 |  $HZO | MARINEMAX INC | $6.0M | 1.4% | -31% | 36.5 |
| 27 |  $VERX | Vertex, Inc. | $5.6M | 1.3% | +28% | 49.8 |
| 28 |  $OSUR | ORASURE TECHNOLOGIES INC | $5.1M | 1.2% | +9% | 11.5 |
| 29 |  $CMG | CHIPOTLE MEXICAN GRILL INC | $5.1M | 1.2% | +1% | 72.9 |
| 30 | — | WHITECAP RES INC | $4.9M | 1.1% | -10% | — |
| 31 |  $CTRE | CareTrust REIT, Inc. | $4.9M | 1.1% | -0% | 73.4 |
| 32 |  $HNGE | Hinge Health, Inc. | $4.8M | 1.1% | NEW | 44.9 |
| 33 |  $DV | DoubleVerify Holdings, Inc. | $4.6M | 1.1% | -1% | 53.4 |
| 34 |  $PNTG | Pennant Group, Inc. | $4.2M | 1.0% | -0% | 56.4 |
| 35 |  $KLTR | KALTURA INC | $4.0M | 0.9% | +15% | 32.6 |
| 36 |  $ICUI | ICU MEDICAL INC/DE | $3.8M | 0.9% | +2% | 40.5 |
| 37 |  $AOSL | ALPHA & OMEGA SEMICONDUCTOR Ltd | $3.7M | 0.9% | -22% | — |
| 38 |  $PTEN | PATTERSON UTI ENERGY INC | $3.4M | 0.8% | -11% | 50.1 |
| 39 |  $MCHP | MICROCHIP TECHNOLOGY INC | $1.7M | 0.4% | -1% | 40 |
| 40 |  $SAM | BOSTON BEER CO INC | $1.7M | 0.4% | +14% | 42.5 |
| 41 |  $GNL | Global Net Lease, Inc. | $1.6M | 0.4% | -0% | 39.5 |
| 42 |  $GNTX | GENTEX CORP | $1.2M | 0.3% | +2% | 65.5 |
| 43 |  $PFE | PFIZER INC | $1.2M | 0.3% | -0% | 69 |
| 44 |  $CNF | CNFinance Holdings Ltd. | $1.2M | 0.3% | -1% | — |
| 45 |  $NCNO | nCino, Inc. | $1.2M | 0.3% | +8% | 53.7 |
| 46 |  $DOCU | DOCUSIGN, INC. | $1.0M | 0.2% | NEW | 67.5 |
| 47 | — | NINTENDO LTD | $995,970 | 0.2% | -1% | — |
| 48 |  $FLG | FLAGSTAR BANK, NATIONAL ASSOCIATION | $983,944 | 0.2% | -0% | — |
| 49 |  $DVN | DEVON ENERGY CORP/DE | $959,401 | 0.2% | -0% | 70.2 |
| 50 |  $SLG | SL GREEN REALTY CORP | $955,342 | 0.2% | +0% | 41.5 |
| 51 |  $T | AT&T INC. | $930,405 | 0.2% | -3% | 71.9 |
| 52 |  $MTSI | MACOM Technology Solutions Holdings, Inc. | $814,997 | 0.2% | +11% | 70.6 |
| 53 |  $GOOG | Alphabet Inc. | $735,003 | 0.2% | +0% | 80.2 |
| 54 |  $MRVL | Marvell Technology, Inc. | $676,017 | 0.2% | +8% | 77.3 |
| 55 |  $NVDA | NVIDIA CORP | $637,432 | 0.1% | -82% | 90.2 |
| 56 |  $GOOGL | Alphabet Inc. | $554,787 | 0.1% | -0% | 80.2 |
| 57 |  $TECH | BIO-TECHNE Corp | $516,277 | 0.1% | +3% | 59.6 |
| 58 |  $VIAV | VIAVI SOLUTIONS INC. | $482,926 | 0.1% | -40% | 42.9 |
| 59 |  $META | Meta Platforms, Inc. | $480,017 | 0.1% | +0% | 80.9 |
| 60 |  $CGNX | COGNEX CORP | $479,122 | 0.1% | +0% | 63.6 |
| 61 |  $SHOP | SHOPIFY INC. | $466,414 | 0.1% | +7% | — |
| 62 |  $ONTO | ONTO INNOVATION INC. | $459,767 | 0.1% | +0% | 66.5 |
| 63 | — | CES ENERGY SOLUTIONS CORP | $439,951 | 0.1% | -27% | — |
| 64 |  $GAMB | Gambling.com Group Ltd | $425,624 | 0.1% | +4% | — |
| 65 |  $MRK | Merck & Co., Inc. | $383,966 | 0.1% | -17% | 70.9 |
| 66 |  $LTH | Life Time Group Holdings, Inc. | $365,037 | 0.1% | +0% | 67.8 |
| 67 |  $SBUX | STARBUCKS CORP | $364,721 | 0.1% | -26% | 54.6 |
| 68 |  $MU | MICRON TECHNOLOGY INC | $363,854 | 0.1% | +0% | 88.4 |
| 69 |  $HIMX | Himax Technologies, Inc. | $352,364 | 0.1% | -17% | — |
| 70 |  $CVLT | COMMVAULT SYSTEMS INC | $340,847 | 0.1% | +78% | 58.9 |
| 71 |  $AKAM | AKAMAI TECHNOLOGIES INC | $332,606 | 0.1% | +15% | 62 |
| 72 |  $RNG | RingCentral, Inc. | $313,214 | 0.1% | +3% | 57 |
| 73 |  $RNTX | Rein Therapeutics, Inc. | $311,376 | 0.1% | -0% | — |
| 74 |  $ETSY | ETSY INC | $288,535 | 0.1% | +1% | 50.4 |
| 75 |  $EOG | EOG RESOURCES INC | $267,599 | 0.1% | NEW | 71.1 |
| 76 |  $APPS | Digital Turbine, Inc. | $235,696 | 0.1% | +0% | 37.2 |
| 77 |  $RMBS | RAMBUS INC | $234,174 | 0.1% | +0% | 75.2 |
| 78 |  $PL | Planet Labs PBC | $233,438 | 0.1% | NEW | 42.2 |
| 79 |  $BX | Blackstone Inc. | $223,081 | 0.1% | +32% | 68 |
| 80 |  $ELVA | Electrovaya Inc. | $205,330 | 0.1% | NEW | — |
| 81 |  $MSFT | MICROSOFT CORP | $201,743 | 0.1% | +7% | 83.7 |
| 82 |  $ATNM | Actinium Pharmaceuticals, Inc. | $200,354 | 0.1% | -0% | — |
| 83 |  $SVV | Savers Value Village, Inc. | $187,101 | 0.0% | +83% | 39.1 |
| 84 |  $WEAV | Weave Communications, Inc. | $158,096 | 0.0% | -51% | 38.3 |
| 85 |  $RDHL | RedHill Biopharma Ltd. | $65,879 | 0.0% | +3% | — |
New Positions (6)
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