Simplex Trading, Llc

Institutional manager — quarterly 13F holdings, Q ending 2026-06-30

Reported value
$170.57B
Q ending 2026-06-30
Prior quarter
$149.08B
Q ending 2026-03-31
Change
+14.4% QoQ · +97563.8% YoY
Positions
9,154
reported holdings

Largest positions

Top 100 of 9,154 reported positions by value, Q ending 2026-06-30. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
HoldingTickerTypeValueShares
State Str Spdr S&P 500 Etf TPut$24.95B33.4M
State Str Spdr S&P 500 Etf TCall$16.97B22.7M
Invesco Qqq TrPut$10.14B13.8M
Invesco Qqq TrCall$8.03B10.9M
Ishares TrPut$7.76B39.4M
Micron Technology IncPut$3.63B3.1M
Nvidia CorporationCall$3.51B17.5M
Ishares TrCall$3.34B26.9M
Nvidia CorporationPut$3.28B16.4M
Tesla IncCall$2.94B7.0M
Tesla IncPut$2.44B5.8M
Alphabet IncCall$2.37B6.7M
Apple IncCall$2.36B8.2M
Micron Technology IncCall$2.20B1.9M
Meta Platforms IncCall$2.04B3.6M
Sandisk CorpPut$1.97B865K
Advanced Micro Devices IncPut$1.96B3.4M
Alphabet IncPut$1.93B5.4M
Microsoft CorpCall$1.74B4.7M
Apple IncPut$1.72B6.0M
Advanced Micro Devices IncCall$1.71B3.0M
Vaneck Etf TrustPut$1.62B4.0M
Spdr Gold TrCall$1.45B3.9M
Amazon Com IncCall$1.24B5.2M
Meta Platforms IncPut$1.17B2.1M
Select Sector Spdr TrPut$963.2M13.0M
Microsoft CorpPut$904.9M2.4M
Select Sector Spdr TrCall$883.0M12.4M
Amazon Com IncPut$830.9M3.5M
Vaneck Etf TrustCall$804.7M3.3M
State Str Spdr Dow Jones IndCall$785.2M1.5M
Broadcom IncPut$754.5M2.0M
Intel CorpPut$744.9M5.3M
Spdr Gold TrPut$739.9M2.0M
Intel CorpCall$724.0M5.2M
Broadcom IncCall$695.5M1.8M
Taiwan Semiconductor ManufacPut$630.4M1.3M
Sandisk CorpCall$588.2M259K
Ishares Silver TrCall$583.7M10.9M
Palantir Technologies IncPut$547.4M4.7M
Netflix Inc.Call$530.2M7.4M
Unitedhealth Group IncCall$508.4M1.2M
Netflix Inc.Put$474.3M6.6M
Palantir Technologies IncCall$423.4M3.6M
Ishares Bitcoin Trust EtfCall$414.8M12.5M
Unitedhealth Group IncPut$405.7M976K
Space Exploration Techn CorpCall$401.3M2.3M
Marvell Technology IncPut$395.1M1.3M
Oracle CorpPut$383.8M2.6M
Direxion Shares Etf TrustPut$383.2M1.6M
Ishares Bitcoin Trust EtfPut$382.7M11.5M
Oracle CorpCall$354.1M2.4M
Nebius Group N.V.Put$339.6M1.2M
Space Exploration Techn CorpPut$322.9M1.9M
Spdr Series TrustPut$315.4M3.2M
Ishares Silver TrPut$309.5M5.8M
Nvidia CorporationNVDAShares$304.3M1.5M
Ishares IncCall$302.0M5.3M
Arm Holdings PlcPut$291.7M823K
Strategy IncPut$281.7M3.2M
Taiwan Semiconductor ManufacCall$280.5M587K
Ishares IncPut$277.6M2.6M
Crowdstrike Hldgs IncCall$254.9M334K
State Str Spdr Dow Jones IndPut$245.7M470K
Goldman Sachs Group IncCall$243.6M241K
Marvell Technology IncCall$235.6M791K
Cisco Sys IncPut$234.6M2.0M
United Sts Oil Fd LpPut$234.1M2.2M
Applied Matls IncPut$226.4M313K
Spdr Series TrustCall$226.3M1.8M
Goldman Sachs Group IncPut$223.8M221K
Robinhood Mkts IncCall$214.0M2.1M
Alibaba Group Hldg LtdCall$212.4M2.2M
Jpmorgan Chase & CoPut$211.1M645K
Asml Hldg NvPut$210.7M106K
Bloom Energy CorpPut$206.3M682K
Applied Matls IncCall$205.5M284K
Kraneshares TrustCall$202.8M8.3M
Alibaba Group Hldg LtdPut$202.7M2.1M
United Sts Oil Fd LpCall$199.5M1.9M
Carvana CoCall$196.7M3.0M
Dell Technologies IncPut$191.4M444K
Ishares TrPut$191.0M2.3M
Lam Research CorpCall$190.1M439K
Proshares TrCall$188.2M2.2M
Lumentum Hldgs IncPut$188.1M219K
Citigroup IncCall$186.0M1.3M
Citigroup IncPut$181.7M1.3M
Seagate Technology Hldngs PlPut$180.9M188K
Arm Holdings PlcCall$177.2M500K
Proshares TrPut$173.5M2.1M
Coinbase Global IncPut$171.2M1.2M
Cisco Sys IncCall$163.8M1.4M
Direxion Shares Etf TrustCall$163.4M734K
Caterpillar IncPut$162.8M153K
Ishares TrIWMShares$161.3M537K
Ishares TrTLTShares$160.8M1.9M
Western Digital CorpPut$160.1M257K
Exxon Mobil CorpCall$158.6M1.2M
Robinhood Mkts IncPut$158.4M1.6M

Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.