SIMPLEX TRADING, LLC
Sector Allocation
- Technology40.4%$1.6B
- Other20.5%$784.9M
- Consumer Discretionary8.3%$317.2M
- Financials7.5%$289.0M
- Healthcare6.4%$246.9M
- Industrials4.7%$179.5M
- Materials4.3%$163.8M
- Communication Services2.1%$81.5M
- Consumer Staples2.1%$81.3M
- Energy1.6%$62.5M
AUM History
13fpro.ai/research/fund/simplex-trading-llc-1488542
Conviction and streaks
Diversifying · top 10 = 32.9%From the fund's last 12 quarters of 13F filings: positions held longest at size, and names it added to or trimmed several quarters running.
Largest positions — Q2 2026
Top 20 stock positions. Options are left out: 13F reports them at the underlying's value.
13fpro.ai/research/fund/simplex-trading-llc-1488542
SIMPLEX TRADING, LLC 13F holdings — Q2 2026
$170.6B portfolio (+14.4% QoQ) · 9,154 holdings · Q2 2026 13F · top 10 are 33% of the stock portfolio
Includes $166.7B of put/call options ($89.0B puts, $77.8B calls), which 13F rules report at the value of the underlying shares, not the premium at risk. Stocks alone: $3.8B. Weights use the stock portfolio.
$304.3M
7.9% of stocks
+0.8%This quarter-3.9%Since filed3+ qtrsHeld- 2
ISHARES TR - COM
$161.3M
4.2% of stocks
+3208%This quarter—Since filed—HeldAIQuality—Est. buy— - 3
ISHARES TR - COM
$160.8M
4.2% of stocks
+206%This quarter—Since filed—HeldAIQuality—Est. buy— $131.6M
3.4% of stocks
+24%This quarter-6.0%Since filed3+ qtrsHeld- 5
ISHARES TR - COM
$103.5M
2.7% of stocks
+39%This quarter—Since filed—HeldAIQuality—Est. buy— $96.6M
2.5% of stocks
-47%This quarter-4.7%Since filed2 qtrsHeld- -21%This quarter—Since filed—Held
- +5%This quarter—Since filed—Held
- +22%This quarter—Since filed—Held
- +5%This quarter—Since filed—Held
| # | Company | Value | Weight | This quarter | Since filed | Held | AI quality | Est. buy | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | $304.3M | 7.9% | +0.8% | -3.9% | 3+ qtrs | 86.0#3 | Estimated buy price is Pro: unlock with a free trial | ||
| 2 | ISHARES TR - COM | $161.3M | 4.2% | +3208% | — | — | — | — | |
| 3 | ISHARES TR - COM | $160.8M | 4.2% | +206% | — | — | — | — | |
| 4 | $131.6M | 3.4% | +24% | -6.0% | 3+ qtrsAdded 2 qtrs in a row | 77.7#61 | Estimated buy price is Pro: unlock with a free trial | ||
| 5 | ISHARES TR - COM | $103.5M | 2.7% | +39% | — | — | — | — | |
| 6 | $96.6M | 2.5% | -47% | -4.7% | 2 qtrs | 67.5#361 | Estimated buy price is Pro: unlock with a free trial | ||
| 7 | $24.9B | — | -21% | — | — | — | — | ||
| 8 | $17.0B | — | +5% | — | — | — | — | ||
| 9 | $10.1B | — | +22% | — | — | — | — | ||
| 10 | $8.0B | — | +5% | — | — | — | — |
All holdings — SIMPLEX TRADING, LLC (Q2 2026)
9,154 disclosed positions from the Form 13F-HR on SEC EDGAR, with quarter-over-quarter share changes. Largest by value first; the ten above are not repeated. The page lists up to 1,000; every position is in the Excel export.
| # | Company | Held | Source | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 11 | — PUT | ISHARES TR - PUT | — | $7.8B | — | 39.37M | +15% | — | — | 13F |
| 12 | MICRON TECHNOLOGY INC | Technology | $3.6B | — | 3.14M | +48% | — | — | 13F | |
| 13 | NVIDIA CORP | Technology | $3.5B | — | 17.52M | -8% | — | — | 13F | |
| 14 | — CALL | ISHARES TR - CALL | — | $3.3B | — | 26.91M | -20% | — | — | 13F |
| 15 | NVIDIA CORP | Technology | $3.3B | — | 16.39M | -15% | — | — | 13F | |
| 16 | Tesla, Inc. | Consumer Discretionary | $2.9B | — | 7.00M | -24% | — | — | 13F | |
| 17 | Tesla, Inc. | Consumer Discretionary | $2.4B | — | 5.80M | -30% | — | — | 13F | |
| 18 | Alphabet Inc. | Technology | $2.4B | — | 6.66M | -8% | — | — | 13F | |
| 19 | Apple Inc. | Technology | $2.4B | — | 8.17M | -7% | — | — | 13F | |
| 20 | MICRON TECHNOLOGY INC | Technology | $2.2B | — | 1.91M | -6% | — | — | 13F | |
| 21 | Meta Platforms, Inc. | Technology | $2.0B | — | 3.62M | -12% | — | — | 13F | |
| 22 | Sandisk Corp | Technology | $2.0B | — | 865K | +202% | — | — | 13F | |
| 23 | ADVANCED MICRO DEVICES INC | Technology | $2.0B | — | 3.37M | -3% | — | — | 13F | |
| 24 | Alphabet Inc. | Technology | $1.9B | — | 5.43M | +7% | — | — | 13F | |
| 25 | MICROSOFT CORP | Technology | $1.7B | — | 4.66M | +11% | — | — | 13F | |
| 26 | $AAPL PUT | Apple Inc. | Technology | $1.7B | — | 5.95M | -1% | |||
| 27 | $AMD CALL | ADVANCED MICRO DEVICES INC | Technology | $1.7B | — | 2.95M | +0.1% | |||
| 28 | — PUT | VANECK ETF TRUST - PUT | — | $1.6B | — | 3.97M | +21% | |||
| 29 | $GLD CALL | SPDR GOLD TRUST | Financials | $1.5B | — | 3.94M | -28% | |||
| 30 | $AMZN CALL | AMAZON COM INC | Consumer Discretionary | $1.2B | — | 5.22M | -25% | |||
| 31 | $META PUT | Meta Platforms, Inc. | Technology | $1.2B | — | 2.08M | -17% | |||
| 32 | — PUT | SELECT SECTOR SPDR TR - PUT | — | $963.2M | — | 12.99M | -16% | |||
| 33 | $MSFT PUT | MICROSOFT CORP | Technology | $904.9M | — | 2.43M | +3% | |||
| 34 | — CALL | SELECT SECTOR SPDR TR - CALL | — | $883.0M | — | 12.45M | -4% | |||
| 35 | $AMZN PUT | AMAZON COM INC | Consumer Discretionary | $830.9M | — | 3.49M | -21% | |||
| 36 | — CALL | VANECK ETF TRUST - CALL | — | $804.7M | — | 3.27M | +21% | |||
| 37 | — CALL | STATE STR SPDR DOW JONES IND - CALL | — | $785.2M | — | 1.50M | +2% | |||
| 38 | $AVGO PUT | Broadcom Inc. | Technology | $754.5M | — | 2.00M | -5% | |||
| 39 | $INTC PUT | INTEL CORP | Technology | $744.9M | — | 5.33M | +29% | |||
| 40 | $GLD PUT | SPDR GOLD TRUST | Financials | $739.9M | — | 2.01M | -48% | |||
| 41 | $INTC CALL | INTEL CORP | Technology | $724.0M | — | 5.19M | -25% | |||
| 42 | $AVGO CALL | Broadcom Inc. | Technology | $695.5M | — | 1.84M | +10% | |||
| 43 | $TSM PUT | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | Technology | $630.4M | — | 1.32M | -11% | |||
| 44 | $SNDK CALL | Sandisk Corp | Technology | $588.2M | — | 259K | -1% | |||
| 45 | $SLV CALL | iShares Silver Trust | Financials | $583.7M | — | 10.92M | -45% | |||
| 46 | $PLTR PUT | Palantir Technologies Inc. | Technology | $547.4M | — | 4.69M | -3% | |||
| 47 | $NFLX CALL | NETFLIX INC | Communication Services | $530.2M | — | 7.43M | +0.2% | |||
| 48 | $UNH CALL | UNITEDHEALTH GROUP INC | Healthcare | $508.4M | — | 1.22M | -36% | |||
| 49 | $NFLX PUT | NETFLIX INC | Communication Services | $474.3M | — | 6.64M | -12% | |||
| 50 | $PLTR CALL | Palantir Technologies Inc. | Technology | $423.4M | — | 3.63M | -9% | |||
| 51 | $IBIT CALL | iShares Bitcoin Trust ETF | Financials | $414.8M | — | 12.46M | -5% | |||
| 52 | $UNH PUT | UNITEDHEALTH GROUP INC | Healthcare | $405.7M | — | 976K | -16% | |||
| 53 | — CALL | SPACE EXPLORATION TECHN CORP - CALL | — | $401.3M | — | 2.35M | New | |||
| 54 | $MRVL PUT | Marvell Technology, Inc. | Technology | $395.1M | — | 1.33M | +33% | |||
| 55 | $ORCL PUT | ORACLE CORP | Technology | $383.8M | — | 2.62M | +0.5% | |||
| 56 | — PUT | DIREXION SHARES ETF TRUST - PUT | — | $383.2M | — | 1.62M | -36% | |||
| 57 | $IBIT PUT | iShares Bitcoin Trust ETF | Financials | $382.7M | — | 11.49M | +16% | |||
| 58 | $ORCL CALL | ORACLE CORP | Technology | $354.1M | — | 2.42M | +1.0% | |||
| 59 | $NBIS PUT | Nebius Group N.V. | Technology | $339.6M | — | 1.23M | +80% | |||
| 60 | — PUT | SPACE EXPLORATION TECHN CORP - PUT | — | $322.9M | — | 1.89M | New | |||
| 61 | — PUT | SPDR SERIES TRUST - PUT | — | $315.4M | — | 3.23M | +2% | |||
| 62 | $SLV PUT | iShares Silver Trust | Financials | $309.5M | — | 5.79M | -45% | |||
| 63 | — CALL | ISHARES INC - CALL | — | $302.0M | — | 5.31M | -19% | |||
| 64 | $ARM PUT | ARM HOLDINGS PLC /UK | Technology | $291.7M | — | 823K | +6% | |||
| 65 | $MSTR PUT | Strategy Inc | Financials | $281.7M | — | 3.24M | -22% | |||
| 66 | $TSM CALL | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | Technology | $280.5M | — | 587K | -22% | |||
| 67 | — PUT | ISHARES INC - PUT | — | $277.6M | — | 2.63M | -30% | |||
| 68 | $CRWD CALL | CrowdStrike Holdings, Inc. | Technology | $254.9M | — | 334K | -15% | |||
| 69 | — PUT | STATE STR SPDR DOW JONES IND - PUT | — | $245.7M | — | 470K | +39% | |||
| 70 | $GS CALL | GOLDMAN SACHS GROUP INC | Financials | $243.6M | — | 241K | -11% | |||
| 71 | $MRVL CALL | Marvell Technology, Inc. | Technology | $235.6M | — | 791K | -1% | |||
| 72 | $CSCO PUT | CISCO SYSTEMS, INC. | Technology | $234.6M | — | 2.00M | +61% | |||
| 73 | — PUT | UNITED STS OIL FD LP - PUT | — | $234.1M | — | 2.20M | -33% | |||
| 74 | — PUT | APPLIED MATLS INC - PUT | — | $226.4M | — | 313K | +29% | |||
| 75 | — CALL | SPDR SERIES TRUST - CALL | — | $226.3M | — | 1.79M | -4% | |||
| 76 | $GS PUT | GOLDMAN SACHS GROUP INC | Financials | $223.8M | — | 221K | -7% | |||
| 77 | $HOOD CALL | Robinhood Markets, Inc. | Financials | $214.0M | — | 2.13M | +29% | |||
| 78 | $BABA CALL | Alibaba Group Holding Ltd | Consumer Discretionary | $212.4M | — | 2.21M | -9% | |||
| 79 | $JPM PUT | JPMORGAN CHASE & CO | Financials | $211.1M | — | 645K | -14% | |||
| 80 | $ASML PUT | ASML HOLDING NV | Technology | $210.7M | — | 106K | -41% | |||
| 81 | $BE PUT | Bloom Energy Corp | Technology | $206.3M | — | 682K | -2% | |||
| 82 | $AMAT CALL | APPLIED MATERIALS INC /DE | Technology | $205.5M | — | 284K | +10% | |||
| 83 | — CALL | KRANESHARES TRUST - CALL | — | $202.8M | — | 8.25M | -15% | |||
| 84 | $BABA PUT | Alibaba Group Holding Ltd | Consumer Discretionary | $202.7M | — | 2.11M | -21% | |||
| 85 | — CALL | UNITED STS OIL FD LP - CALL | — | $199.5M | — | 1.87M | -7% | |||
| 86 | $CVNA CALL | CARVANA CO. | Consumer Discretionary | $196.7M | — | 2.99M | +483% | |||
| 87 | $DELL PUT | Dell Technologies Inc. | Technology | $191.4M | — | 444K | -19% | |||
| 88 | — PUT | ISHARES TR - PUT | — | $191.0M | — | 2.33M | -63% | |||
| 89 | $LRCX CALL | LAM RESEARCH CORP | Technology | $190.1M | — | 439K | +4% | |||
| 90 | — CALL | PROSHARES TR - CALL | — | $188.2M | — | 2.24M | -9% | |||
| 91 | $LITE PUT | Lumentum Holdings Inc. | Technology | $188.1M | — | 219K | +55% | |||
| 92 | $C CALL | CITIGROUP INC | Financials | $186.0M | — | 1.33M | -17% | |||
| 93 | $C PUT | CITIGROUP INC | Financials | $181.7M | — | 1.30M | -24% | |||
| 94 | — PUT | SEAGATE TECHNOLOGY HLDNGS PL - PUT | — | $180.9M | — | 188K | +34% | |||
| 95 | $ARM CALL | ARM HOLDINGS PLC /UK | Technology | $177.2M | — | 500K | -12% | |||
| 96 | — PUT | PROSHARES TR - PUT | — | $173.5M | — | 2.10M | +24% | |||
| 97 | $COIN PUT | Coinbase Global, Inc. | Financials | $171.2M | — | 1.17M | +18% | |||
| 98 | $CSCO CALL | CISCO SYSTEMS, INC. | Technology | $163.8M | — | 1.39M | -3% | |||
| 99 | — CALL | DIREXION SHARES ETF TRUST - CALL | — | $163.4M | — | 734K | -55% | |||
| 100 | $CAT PUT | CATERPILLAR INC | Industrials | $162.8M | — | 153K | +45% | |||
| 101 | $WDC PUT | WESTERN DIGITAL CORP | Technology | $160.1M | — | 257K | -5% | |||
| 102 | $XOM.R34088 CALL | EXXON MOBIL CORP | Energy | $158.6M | — | 1.16M | -27% | |||
| 103 | $HOOD PUT | Robinhood Markets, Inc. | Financials | $158.4M | — | 1.58M | -0.4% | |||
| 104 | $JPM CALL | JPMORGAN CHASE & CO | Financials | $155.6M | — | 475K | +26% | |||
| 105 | $WMT CALL | Walmart Inc. | Consumer Staples | $149.2M | — | 1.32M | -0.6% | |||
| 106 | $PANW CALL | Palo Alto Networks Inc | Technology | $147.8M | — | 433K | -11% | |||
| 107 | $NBIS CALL | Nebius Group N.V. | Technology | $147.3M | — | 534K | +1% | |||
| 108 | $GEV PUT | GE Vernova Inc. | Industrials | $146.2M | — | 124K | +10% | |||
| 109 | — PUT | BANK OF AMER CORP - PUT | — | $137.0M | — | 2.40M | +4% | |||
| 110 | $ASML CALL | ASML HOLDING NV | Technology | $136.5M | — | 69K | -38% | |||
| 111 | $BRK-A CALL | BERKSHIRE HATHAWAY INC | Financials | $135.7M | — | 271K | -28% | |||
| 112 | — PUT | ROUNDHILL ETF TRUST - PUT | — | $135.5M | — | 1.85M | +8037% | |||
| 113 | $CRWD PUT | CrowdStrike Holdings, Inc. | Technology | $135.4M | — | 177K | -17% | |||
| 114 | $DELL CALL | Dell Technologies Inc. | Technology | $134.3M | — | 311K | -5% | |||
| 115 | $LRCX PUT | LAM RESEARCH CORP | Technology | $133.2M | — | 307K | -2% | |||
| 116 | $BE CALL | Bloom Energy Corp | Technology | $132.0M | — | 436K | -13% | |||
| 117 | $WDC CALL | WESTERN DIGITAL CORP | Technology | $129.9M | — | 202K | -21% | |||
| 118 | $GLW PUT | CORNING INC /NY | Materials | $129.7M | — | 508K | +75% | |||
| 119 | — CALL | INTERNATIONAL BUSINESS MACHS - CALL | — | $128.5M | — | 457K | +96% | |||
| 120 | $PANW PUT | Palo Alto Networks Inc | Technology | $125.7M | — | 369K | +10% | |||
| 121 | — CALL | ROUNDHILL ETF TRUST - CALL | — | $125.7M | — | 1.72M | +4172% | |||
| 122 | $IREN PUT | IREN Ltd | Financials | $120.6M | — | 2.64M | +53% | |||
| 123 | $MSTR CALL | Strategy Inc | Financials | $120.5M | — | 1.39M | -3% | |||
| 124 | $NVO CALL | NOVO NORDISK A S | Healthcare | $119.9M | — | 2.50M | +5% | |||
| 125 | $CAT CALL | CATERPILLAR INC | Industrials | $118.4M | — | 111K | -2% | |||
| 126 | $CRWV PUT | CoreWeave, Inc. | Technology | $117.9M | — | 1.18M | -48% | |||
| 127 | $BA CALL | BOEING CO | Industrials | $116.7M | — | 539K | -21% | |||
| 128 | $GEV CALL | GE Vernova Inc. | Industrials | $116.7M | — | 99K | +11% | |||
| 129 | $QCOM CALL | QUALCOMM INC/DE | Technology | $115.4M | — | 625K | +30% | |||
| 130 | — CALL | ISHARES TR - CALL | — | $113.3M | — | 1.36M | +15% | |||
| 131 | $XOM.R34088 PUT | EXXON MOBIL CORP | Energy | $109.3M | — | 800K | -39% | |||
| 132 | $ALAB PUT | Astera Labs, Inc. | Technology | $108.6M | — | 225K | +55% | |||
| 133 | $NOW CALL | ServiceNow, Inc. | Technology | $106.7M | — | 1.07M | +60% | |||
| 134 | $V CALL | VISA INC. | Financials | $106.5M | — | 311K | +0.9% | |||
| 135 | $MCD CALL | MCDONALDS CORP | Consumer Discretionary | $106.4M | — | 394K | +300% | |||
| 136 | $BRK-A PUT | BERKSHIRE HATHAWAY INC | Financials | $106.0M | — | 212K | -9% | |||
| 137 | $IREN CALL | IREN Ltd | Financials | $104.3M | — | 2.28M | +2% | |||
| 138 | $QCOM PUT | QUALCOMM INC/DE | Technology | $104.1M | — | 564K | +115% | |||
| 139 | $CRM CALL | Salesforce, Inc. | Technology | $103.2M | — | 659K | -3% | |||
| 140 | $FCX PUT | FREEPORT-MCMORAN INC | Materials | $101.9M | — | 1.62M | +19% | |||
| 141 | $CRWV CALL | CoreWeave, Inc. | Technology | $101.0M | — | 1.01M | -60% | |||
| 142 | — CALL | BANK OF AMER CORP - CALL | — | $100.7M | — | 1.77M | -37% | |||
| 143 | $LLY PUT | ELI LILLY & Co | Healthcare | $100.4M | — | 84K | +15% | |||
| 144 | $LLY CALL | ELI LILLY & Co | Healthcare | $99.9M | — | 83K | -25% | |||
| 145 | $ALAB CALL | Astera Labs, Inc. | Technology | $97.2M | — | 201K | +66% | |||
| 146 | $V PUT | VISA INC. | Financials | $97.1M | — | 283K | -9% | |||
| 147 | $NEM CALL | NEWMONT Corp /DE/ | Materials | $96.9M | — | 1.04M | +50% | |||
| 148 | $PDD CALL | PDD Holdings Inc. | Consumer Discretionary | $94.3M | — | 1.24M | +12% | |||
| 149 | $CVX CALL | CHEVRON CORP | Energy | $94.2M | — | 568K | -24% | |||
| 150 | $APP PUT | AppLovin Corp | Technology | $93.6M | — | 182K | -41% |
What changed in Q2 2026
Against the previous quarter's 13F: 1,721 new, 3,689 added to, 3,483 trimmed, 1,492 sold out. Share-count changes; largest moves by dollar size first.
New positions (1,721)
- CALLSPACE EXPLORATION TECHN CORP - CALL$401.3M
first bought this quarter
- PUTSPACE EXPLORATION TECHN CORP - PUT$322.9M
first bought this quarter
$MUMICRON TECHNOLOGY INC$60.8M
first bought this quarter
- ROUNDHILL ETF TRUST - COM$46.2M
first bought this quarter
$CBRSCALLCerebras Systems Inc.$43.2M
first bought this quarter
$CUKCALLCARNIVAL PLC$37.6M
first bought this quarter
+1,715 more in the Excel export
Added to (3,689)
$QQQPUTINVESCO QQQ TRUST, SERIES 1+22%
now $10.1B
$SNDKPUTSandisk Corp+202%
now $2.0B
$MUPUTMICRON TECHNOLOGY INC+48%
now $3.6B
- PUTISHARES TR - PUT+15%
now $7.8B
$SPYCALLSPDR S&P 500 ETF TRUST+5%
now $17.0B
$QQQCALLINVESCO QQQ TRUST, SERIES 1+5%
now $8.0B
+3,683 more in the Excel export
Holdings by quarter
Every 13F SIMPLEX TRADING, LLC has filed, 40 earlier quarters. Pick one to see what it held then.
Is it too late to follow SIMPLEX TRADING?
Q2 2026 13F filed with the SEC on Aug 12, 2026. Prices are closing prices as of Oct 28, 2026.
Average quality of SIMPLEX TRADING's top 20 holdings: 77/100 (our AI quality score, weighted by position size; 15 of the 20 are scored)
Top 10 since filing
+2.4%
Value-weighted move of the 10 largest stock positions
Turnover
49%
Last quarter
Top 10 weight
33%
Share of the stock portfolio in its 10 largest positions
Held 4+ quarters
0%
Share of portfolio value in positions held a year or more
Highest-quality names it owns(among its 100 largest positions)
The 8 highest-scoring companies in this portfolio are a Pro feature.
How these are measured
- Moves since the quarter-end and since the filing date use our own daily closing prices, from the close on (or just before) each date to the latest close.
- Turnover is the lesser of shares bought or sold in a quarter, valued at the quarter-end prices in the 13F, divided by the average of the two quarters' stock portfolio values.
- Quarters held and add/trim streaks count back only through quarters whose filed holdings add up to the filing's own cover-page total (back to Q4 2025 for this fund). A change counts as an add or a trim when the split-adjusted share count moves by more than 1%.
- Estimate, not the fund's reported cost. For each quarter in the current holding period in which the fund's share count rose (split-adjusted), we take that quarter's average daily close and weight it by the shares added; sales do not change an average cost. Quarters where the stock's price history and the 13F's own implied price disagree by more than 2x are left out.
- Put and call option rows report the value of the underlying shares, not a position the fund paid for, so they are left out of all of the above.
Portfolio Overview
SIMPLEX TRADING, LLC disclosed 9,154 positions worth $170.6B in its Form 13F-HR for Q2 2026 — $3.8B in common stock plus $166.7B of put/call option positions (reported at underlying notional value, not premium at risk), led by $NVDA (NVIDIA CORP) at 7.9% of the equity portfolio. During the quarter the fund opened 1721 new positions and exited 1492 and a full exit from $CCL. The portfolio is most concentrated in Technology (40.4% of disclosed assets). All figures are sourced directly from SIMPLEX TRADING, LLC’s Form 13F-HR filing with the SEC under CIK 1488542.
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