Holders — by stockHoldings — by fund
SIMPLEX TRADING, LLC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001488542
$170.57B
disclosed book value
9,154
positions
14.6%
largest position share
Positions, as of 2026-06-30
top 100 of 9,154 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | STATE STR SPDR S&P 500 ETF TPUT | 33.4M | $24.95B | 14.6% |
| 2 | STATE STR SPDR S&P 500 ETF TCALL | 22.7M | $16.97B | 9.9% |
| 3 | INVESCO QQQ TRPUT | 13.8M | $10.14B | 5.9% |
| 4 | INVESCO QQQ TRCALL | 10.9M | $8.03B | 4.7% |
| 5 | ISHARES TRPUT | 39.4M | $7.76B | 4.5% |
| 6 | MICRON TECHNOLOGY INCPUT | 3.1M | $3.63B | 2.1% |
| 7 | NVIDIA CORPORATIONCALL | 17.5M | $3.51B | 2.1% |
| 8 | ISHARES TRCALL | 26.9M | $3.34B | 2% |
| 9 | NVIDIA CORPORATIONPUT | 16.4M | $3.28B | 1.9% |
| 10 | TESLA INCCALL | 7.0M | $2.94B | 1.7% |
| 11 | TESLA INCPUT | 5.8M | $2.44B | 1.4% |
| 12 | ALPHABET INCCALL | 6.7M | $2.37B | 1.4% |
| 13 | APPLE INCCALL | 8.2M | $2.36B | 1.4% |
| 14 | MICRON TECHNOLOGY INCCALL | 1.9M | $2.20B | 1.3% |
| 15 | META PLATFORMS INCCALL | 3.6M | $2.04B | 1.2% |
| 16 | SANDISK CORPPUT | 864,500 | $1.97B | 1.2% |
| 17 | ADVANCED MICRO DEVICES INCPUT | 3.4M | $1.96B | 1.1% |
| 18 | ALPHABET INCPUT | 5.4M | $1.93B | 1.1% |
| 19 | MICROSOFT CORPCALL | 4.7M | $1.74B | 1% |
| 20 | APPLE INCPUT | 6.0M | $1.72B | 1% |
| 21 | ADVANCED MICRO DEVICES INCCALL | 3.0M | $1.71B | 1% |
| 22 | VANECK ETF TRUSTPUT | 4.0M | $1.62B | 0.9% |
| 23 | SPDR GOLD TRCALL | 3.9M | $1.45B | 0.9% |
| 24 | AMAZON COM INCCALL | 5.2M | $1.24B | 0.7% |
| 25 | META PLATFORMS INCPUT | 2.1M | $1.17B | 0.7% |
| 26 | SELECT SECTOR SPDR TRPUT | 13.0M | $963.2M | 0.6% |
| 27 | MICROSOFT CORPPUT | 2.4M | $904.9M | 0.5% |
| 28 | SELECT SECTOR SPDR TRCALL | 12.4M | $883.0M | 0.5% |
| 29 | AMAZON COM INCPUT | 3.5M | $830.9M | 0.5% |
| 30 | VANECK ETF TRUSTCALL | 3.3M | $804.7M | 0.5% |
| 31 | STATE STR SPDR DOW JONES INDCALL | 1.5M | $785.2M | 0.5% |
| 32 | BROADCOM INCPUT | 2.0M | $754.5M | 0.4% |
| 33 | INTEL CORPPUT | 5.3M | $744.9M | 0.4% |
| 34 | SPDR GOLD TRPUT | 2.0M | $739.9M | 0.4% |
| 35 | INTEL CORPCALL | 5.2M | $724.0M | 0.4% |
| 36 | BROADCOM INCCALL | 1.8M | $695.5M | 0.4% |
| 37 | TAIWAN SEMICONDUCTOR MANUFACPUT | 1.3M | $630.4M | 0.4% |
| 38 | SANDISK CORPCALL | 258,700 | $588.2M | 0.3% |
| 39 | ISHARES SILVER TRCALL | 10.9M | $583.7M | 0.3% |
| 40 | PALANTIR TECHNOLOGIES INCPUT | 4.7M | $547.4M | 0.3% |
| 41 | NETFLIX INC.CALL | 7.4M | $530.2M | 0.3% |
| 42 | UNITEDHEALTH GROUP INCCALL | 1.2M | $508.4M | 0.3% |
| 43 | NETFLIX INC.PUT | 6.6M | $474.3M | 0.3% |
| 44 | PALANTIR TECHNOLOGIES INCCALL | 3.6M | $423.4M | 0.2% |
| 45 | ISHARES BITCOIN TRUST ETFCALL | 12.5M | $414.8M | 0.2% |
| 46 | UNITEDHEALTH GROUP INCPUT | 976,200 | $405.7M | 0.2% |
| 47 | SPACE EXPLORATION TECHN CORPCALL | 2.3M | $401.3M | 0.2% |
| 48 | MARVELL TECHNOLOGY INCPUT | 1.3M | $395.1M | 0.2% |
| 49 | ORACLE CORPPUT | 2.6M | $383.8M | 0.2% |
| 50 | DIREXION SHARES ETF TRUSTPUT | 1.6M | $383.2M | 0.2% |
| 51 | ISHARES BITCOIN TRUST ETFPUT | 11.5M | $382.7M | 0.2% |
| 52 | ORACLE CORPCALL | 2.4M | $354.1M | 0.2% |
| 53 | NEBIUS GROUP N.V.PUT | 1.2M | $339.6M | 0.2% |
| 54 | SPACE EXPLORATION TECHN CORPPUT | 1.9M | $322.9M | 0.2% |
| 55 | SPDR SERIES TRUSTPUT | 3.2M | $315.4M | 0.2% |
| 56 | ISHARES SILVER TRPUT | 5.8M | $309.5M | 0.2% |
| 57 | NVDANVIDIA CORPORATION | 1.5M | $304.3M | 0.2% |
| 58 | ISHARES INCCALL | 5.3M | $302.0M | 0.2% |
| 59 | ARM HOLDINGS PLCPUT | 822,600 | $291.7M | 0.2% |
| 60 | STRATEGY INCPUT | 3.2M | $281.7M | 0.2% |
| 61 | TAIWAN SEMICONDUCTOR MANUFACCALL | 587,300 | $280.5M | 0.2% |
| 62 | ISHARES INCPUT | 2.6M | $277.6M | 0.2% |
| 63 | CROWDSTRIKE HLDGS INCCALL | 334,000 | $254.9M | 0.1% |
| 64 | STATE STR SPDR DOW JONES INDPUT | 470,400 | $245.7M | 0.1% |
| 65 | GOLDMAN SACHS GROUP INCCALL | 240,900 | $243.6M | 0.1% |
| 66 | MARVELL TECHNOLOGY INCCALL | 791,000 | $235.6M | 0.1% |
| 67 | CISCO SYS INCPUT | 2.0M | $234.6M | 0.1% |
| 68 | UNITED STS OIL FD LPPUT | 2.2M | $234.1M | 0.1% |
| 69 | APPLIED MATLS INCPUT | 313,200 | $226.4M | 0.1% |
| 70 | SPDR SERIES TRUSTCALL | 1.8M | $226.3M | 0.1% |
| 71 | GOLDMAN SACHS GROUP INCPUT | 221,300 | $223.8M | 0.1% |
| 72 | ROBINHOOD MKTS INCCALL | 2.1M | $214.0M | 0.1% |
| 73 | ALIBABA GROUP HLDG LTDCALL | 2.2M | $212.4M | 0.1% |
| 74 | JPMORGAN CHASE & COPUT | 644,800 | $211.1M | 0.1% |
| 75 | ASML HLDG NVPUT | 105,900 | $210.7M | 0.1% |
| 76 | BLOOM ENERGY CORPPUT | 681,600 | $206.3M | 0.1% |
| 77 | APPLIED MATLS INCCALL | 284,300 | $205.5M | 0.1% |
| 78 | KRANESHARES TRUSTCALL | 8.3M | $202.8M | 0.1% |
| 79 | ALIBABA GROUP HLDG LTDPUT | 2.1M | $202.7M | 0.1% |
| 80 | UNITED STS OIL FD LPCALL | 1.9M | $199.5M | 0.1% |
| 81 | CARVANA COCALL | 3.0M | $196.7M | 0.1% |
| 82 | DELL TECHNOLOGIES INCPUT | 443,700 | $191.4M | 0.1% |
| 83 | ISHARES TRPUT | 2.3M | $191.0M | 0.1% |
| 84 | LAM RESEARCH CORPCALL | 438,800 | $190.1M | 0.1% |
| 85 | PROSHARES TRCALL | 2.2M | $188.2M | 0.1% |
| 86 | LUMENTUM HLDGS INCPUT | 219,200 | $188.1M | 0.1% |
| 87 | CITIGROUP INCCALL | 1.3M | $186.0M | 0.1% |
| 88 | CITIGROUP INCPUT | 1.3M | $181.7M | 0.1% |
| 89 | SEAGATE TECHNOLOGY HLDNGS PLPUT | 187,500 | $180.9M | 0.1% |
| 90 | ARM HOLDINGS PLCCALL | 499,800 | $177.2M | 0.1% |
| 91 | PROSHARES TRPUT | 2.1M | $173.5M | 0.1% |
| 92 | COINBASE GLOBAL INCPUT | 1.2M | $171.2M | 0.1% |
| 93 | CISCO SYS INCCALL | 1.4M | $163.8M | 0.1% |
| 94 | DIREXION SHARES ETF TRUSTCALL | 734,100 | $163.4M | 0.1% |
| 95 | CATERPILLAR INCPUT | 152,900 | $162.8M | 0.1% |
| 96 | IWMISHARES TR | 536,810 | $161.3M | 0.1% |
| 97 | TLTISHARES TR | 1.9M | $160.8M | 0.1% |
| 98 | WESTERN DIGITAL CORPPUT | 257,100 | $160.1M | 0.1% |
| 99 | EXXON MOBIL CORPCALL | 1.2M | $158.6M | 0.1% |
| 100 | ROBINHOOD MKTS INCPUT | 1.6M | $158.4M | 0.1% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.