Simplex Trading, LLC

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 11, 2026), Simplex Trading, LLC reported 2,449 stock positions worth $3.6 billion. Its top holding was Apple (AAPL) at 5.4% of the portfolio, followed by Nvidia (NVDA, 3.9%) and Broadcom (AVGO, 2.3%). Compared with Q3 2025, it opened 893 new positions, sold out of 1,064, added to 731 and reduced 824. The biggest buy was Netflix (NFLX, shares +5320%) and the biggest sale Nvidia (NVDA, shares −66%).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001488542
Portfolio Value
$3.6B (Q4 2025)
SEC Filing
0001488542-26-000002 ↗ filed Feb 11, 2026

Holdings Value

0$1.0B$2.0B$3.0B$4.0B$5.0B Q1 2024: $3.4B Q1 2024 Q2 2024: $3.1B Q2 2024 Q3 2024: $3.0B Q3 2024 Q4 2024: $3.5B Q4 2024 Q1 2025: $2.8B Q1 2025 Q2 2025: $3.7B Q2 2025 Q3 2025: $4.5B Q3 2025 Q4 2025: $3.6B $3.6B Q4 2025 Q1 2026: $3.2B Q1 2026 Q2 2026: $3.8B Q2 2026

Holdings 2,449 stocks · $3.6B

AAPL Apple Inc. 5.42% 708,741 $192.7M Reduce -38.6%
NVDA Nvidia Corp. 3.89% 740,771 $138.2M Reduce -65.5%
AVGO Broadcom Inc. 2.26% 232,173 $80.4M Reduce -17.5%
NFLX Netflix Inc. 1.82% 691,029 $64.8M Add +5319.8%
SPY SS SPDR S&P 500 ETF Trust-US 1.68% 87,518 $59.7M Reduce -43.3%
WDC Western Digital Corp. 1.66% 341,762 $58.9M New
TSLA Tesla Inc. 1.52% 120,091 $54.0M Reduce -10.3%
SOXL Direx Dail Semi Bu 3X Et-Usd 1.46% 1,236,517 $52.0M Add +40.2%
NVO Novo-Nordisk A/S-Spons ADR 1.46% 1,017,162 $51.8M Add +70.8%
SOFI Sofi Technologies Inc. 1.33% 1,806,402 $47.3M Add +12.3%
SOXX iShares Semiconductor ETF 1.32% 156,093 $47.0M New
META Meta Platforms Inc. Class A 1.16% 62,668 $41.4M New
INTC Intel Corp. 1.12% 1,082,246 $39.9M Reduce -61.8%
CI The Cigna Group 1.08% 140,025 $38.5M Add +5.1%
PFE Pfizer Inc. 1.04% 1,491,037 $37.1M Add +15.0%
MSFT Microsoft Corp. 0.96% 70,610 $34.1M Reduce -84.6%
PLTR Palantir Technologies Inc. Class A 0.96% 191,290 $34.0M Add +204.8%
BABA Alibaba Group Holding-SP ADR 0.94% 228,100 $33.4M Add +66401.5%
ASTS Ast Spacemobile Inc. 0.86% 422,850 $30.7M Reduce -13.2%
UNH Unitedhealth Group Inc. 0.86% 92,725 $30.6M Reduce -71.0%
FCX Freeport-McMoran Inc. 0.81% 565,970 $28.7M Add +26.6%
SMH Vaneck Semiconductor ETF 0.79% 77,626 $28.0M New
RKLB Rocket Lab Corp. 0.79% 400,110 $27.9M New
BKNG Booking Holdings Inc. 0.77% 5,144 $27.5M Reduce -62.0%
BE Bloom Energy Corp. Class A 0.74% 301,347 $26.2M Add +419.2%
EOSE Eos Energy Enterprises Inc. 0.72% 2,248,934 $25.8M Add +86.8%
ORCL Oracle Corp. 0.72% 131,399 $25.6M Add +460.1%
VRT Vertiv Holdings Co. Class A 0.69% 151,799 $24.6M Add +143.5%
NEE Nextera Energy Inc. 0.66% 293,398 $23.6M Add +29.4%
CMCSA Comcast Corp. Class A 0.66% 783,697 $23.4M Add +471.5%
WULF Terawulf Inc. 0.63% 1,941,017 $22.3M Add +125.1%
GDX Vaneck Gold Miners ETF 0.60% 247,615 $21.2M New
MRVL Marvell Technology Inc. 0.59% 245,442 $20.9M Reduce -22.9%
WBD Warner Bros Discovery Inc. 0.57% 707,385 $20.4M Add +51.9%
COIN Coinbase Global Inc. Class A 0.57% 89,109 $20.2M Add +53.8%
NEM Newmont Corp. 0.55% 197,022 $19.7M New
BA The Boeing Co. 0.54% 87,723 $19.0M New
SLB SLB Ltd. filed as SLB LIMITED 0.52% 479,075 $18.4M Add +44.2%
NKE Nike Inc. Class B 0.50% 279,226 $17.8M Reduce -47.9%
CRWV Coreweave Inc. Class A 0.49% 241,594 $17.3M New
AZO AutoZone Inc. 0.49% 5,092 $17.3M Add +25360.0%
DELL Dell Technologies -C 0.47% 133,949 $16.9M Add +775.7%
ARM Arm Holdings PLC-ADR 0.47% 153,416 $16.8M Add +467.4%
CRM Salesforce Inc. 0.47% 62,567 $16.6M Reduce -10.0%
CEG Constellation Energy 0.44% 44,711 $15.8M Add +3595.1%
ECHO Echostar Corp. Class A 0.44% 144,099 $15.7M Add +52.8%
SNDK Sandisk Corp. 0.44% 65,895 $15.6M New
LULU Lululemon Athletica Inc. 0.43% 73,917 $15.4M Add +202.5%
GOOG Alphabet Inc. Class C 0.43% 48,506 $15.2M Add +49.6%
NU Nu Holdings Ltd./Cayman Isl-A filed as NU HLDGS LTD 0.40% 858,285 $14.4M Add +1.1%
SNOW Snowflake Inc. 0.38% 62,009 $13.6M Add +205.5%
BSX Boston Scientific Corp. 0.38% 141,877 $13.5M New
MU Micron Technology Inc. 0.37% 46,589 $13.3M Reduce -79.9%
GS Goldman Sachs Group Inc. 0.37% 15,075 $13.3M New
MELI MercadoLibre Inc. 0.37% 6,495 $13.1M Add +60.0%
AGQ Proshares Ultra Silver 0.36% 81,434 $12.6M Reduce -24.9%
SNAP Snap Inc. Class A 0.35% 1,527,426 $12.3M Add +42.7%
GOOGL Alphabet Inc. Class A 0.34% 38,768 $12.1M Reduce -85.7%
AMD Advanced Micro Devices 0.34% 56,475 $12.1M Add +449.6%
ET Energy Transfer LP 0.34% 732,464 $12.1M Add +122.0%
CAR Avis Budget Group Inc. 0.34% 93,201 $12.0M New
MS Morgan Stanley 0.34% 67,226 $11.9M New
UPS United Parcel Service Class B 0.33% 118,908 $11.8M New
MMM 3M Co. 0.33% 73,592 $11.8M Add +8.8%
SILJ Amplify Junior Silver Miners 0.33% 418,618 $11.6M New
B Barrick Mining Corp. 0.31% 256,167 $11.2M New
LUV Southwest Airlines Co. 0.31% 268,783 $11.1M New
CFLT Confluent Inc. Class A 0.30% 358,415 $10.8M New
AAL American Airlines Group Inc. 0.30% 696,625 $10.7M Add +82.6%
FDX FedEx Corp. 0.30% 36,761 $10.6M Add +247.4%
LYFT LYFT Inc. Class A 0.30% 543,126 $10.5M Add +157.3%
QBTS D-Wave Quantum Inc. 0.28% 386,080 $10.1M Reduce -14.1%
IBIT iShares Bitcoin Trust ETF 0.28% 202,920 $10.1M Reduce -86.7%
SQQQ Proshares Ultrapro Short QQQ 0.28% 146,477 $10.0M New
BILI Bilibili Inc.-Sponsored ADR 0.28% 404,527 $9.9M Reduce -1.0%
RGTI Rigetti Computing Inc. 0.27% 435,326 $9.6M Add +91.4%
UAL United Airlines Holdings Inc. 0.27% 85,296 $9.5M New
KMB Kimberly-Clark Corp. 0.27% 93,843 $9.5M New
OSCR Oscar Health Inc. Class A 0.26% 639,236 $9.2M Add +51.9%
ANF Abercrombie & Fitch Co. Class A 0.26% 72,486 $9.1M New
XPEV Xpeng Inc. - ADR 0.26% 447,752 $9.1M Add +99.0%
CRCL Circle Internet Group Inc. 0.25% 114,194 $9.1M New
BJ Bj's Wholesale Club Holdings filed as BJS WHSL CLUB HLDGS INC 0.24% 96,184 $8.7M Add +73.4%
ZTS Zoetis Inc. 0.24% 68,580 $8.6M Add +635.1%
FUTU Futu Holdings Ltd.-ADR filed as FUTU HLDGS LTD 0.24% 52,535 $8.6M Add +19.8%
HD Home Depot Inc. 0.24% 24,312 $8.4M New
VALE Vale SA-SP ADR 0.23% 636,509 $8.3M New
JD Jd.com Inc.-ADR 0.23% 288,008 $8.3M Reduce -59.5%
W Wayfair Inc. Class A 0.23% 81,918 $8.2M Add +63.7%
COHR Coherent Corp. 0.23% 44,211 $8.2M Add +145.6%
SPOT Spotify Technology SA 0.23% 13,980 $8.1M Add +124.2%
CMG Chipotle Mexican Grill Inc. 0.23% 217,671 $8.1M Reduce -5.1%
SBUX Starbucks Corp. 0.23% 95,334 $8.0M Add +43.9%
IONS Ionis Pharmaceuticals Inc. 0.21% 96,647 $7.6M Reduce -3.5%
NET Cloudflare Inc. Class A 0.21% 37,976 $7.5M Add +56.6%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.21% 47,815 $7.3M New
XLK SS Technology Select Sector 0.21% 50,713 $7.3M Reduce -67.0%
ASHR Xtrackers Harvest Csi 300 CH 0.20% 220,929 $7.3M Add +8550.3%
IREN Iren Ltd. filed as IREN LIMITED 0.20% 191,894 $7.2M Reduce -86.7%
FISV Fiserv Inc. 0.20% 107,216 $7.2M Add +1281.8%

Show all 2,449 holdings

Options reported separately and not counted above: STATE STR SPDR S&P 500 ETF T puts ($28.1B), STATE STR SPDR S&P 500 ETF T calls ($13.3B), INVESCO QQQ TR puts ($9.4B), INVESCO QQQ TR calls ($5.9B), TESLA INC puts ($5.8B), ISHARES TR puts ($5.5B), NVIDIA CORPORATION calls ($5.3B), TESLA INC calls ($5.3B), NVIDIA CORPORATION puts ($4.9B), ISHARES TR calls ($3.5B), META PLATFORMS INC calls ($3.0B), ALPHABET INC calls ($2.8B), and 5882 more.

Portfolio Sells Q3 2025 → Q4 2025

NVDA Nvidia Corp. Reduce -65.5% 3.89% −4.96
MSFT Microsoft Corp. Reduce -84.6% 0.96% −4.28
IWM iShares Russell 2000 ETF Sold out 0.00% −3.30
AMZN Amazon.com Inc. Sold out 0.00% −2.26
IBIT iShares Bitcoin Trust ETF Reduce -86.7% 0.28% −1.91
UNH Unitedhealth Group Inc. Reduce -71.0% 0.86% −1.58
XLV SS Health Care Select Sector Reduce -94.2% 0.12% −1.39
PDD PDD Holdings Inc. Reduce -96.8% 0.05% −1.30
IREN Iren Ltd. Reduce -86.7% 0.20% −1.29
GOOGL Alphabet Inc. Class A Reduce -85.7% 0.34% −1.11
AAPL Apple Inc. Reduce -38.6% 5.42% −1.06
INTC Intel Corp. Reduce -61.8% 1.12% −0.97
BKNG Booking Holdings Inc. Reduce -62.0% 0.77% −0.84
TSM Taiwan Semiconductor-SP ADR Sold out 0.00% −0.72
TGT Target Corp. Reduce -89.3% 0.11% −0.64
SPY SS SPDR S&P 500 ETF Trust-US Reduce -43.3% 1.68% −0.59
BMNR Bitmine Immersion Technologi Sold out 0.00% −0.51
ABBV Abbvie Inc. Reduce -92.4% 0.05% −0.49
MU Micron Technology Inc. Reduce -79.9% 0.37% −0.48
FBTC Fidelity Wise Origin Bitcoin Sold out 0.00% −0.44
LLY Eli Lilly & Co. Reduce -92.6% 0.06% −0.37
JNJ Johnson & Johnson Sold out 0.00% −0.34
NKE Nike Inc. Class B Reduce -47.9% 0.50% −0.32
JD Jd.com Inc.-ADR Reduce -59.5% 0.23% −0.32
FAS Dirx DLY Finacial B3X ETF-Ui Sold out 0.00% −0.31
URA Global X Uranium ETF Sold out 0.00% −0.29
XLY SS Consumer Disc Select Sect Sold out 0.00% −0.27
XLK SS Technology Select Sector Reduce -67.0% 0.21% −0.27
ETHA iShares Ethereum Trust ETF Reduce -71.3% 0.09% −0.27
OKLO Oklo Inc. Reduce -56.2% 0.15% −0.27
BMY Bristol-Myers Squibb Co. Sold out 0.00% −0.26
ADBE Adobe Inc. Reduce -94.0% 0.02% −0.23
RSP Invesco S&P 500 Equal Weight Sold out 0.00% −0.22
MSTR Strategy Inc. Sold out 0.00% −0.21
SBET Sharplink Inc. Reduce -56.8% 0.08% −0.20
ELV Elevance Health Inc. Sold out 0.00% −0.20
TSLL Dirx DLY Tsla Bul 2X ETF-Aui Reduce -94.8% 0.01% −0.19
ETH Grayscale Ethereum Staking M Sold out 0.00% −0.19
NBIS Nebius Group NV Sold out 0.00% −0.17
LI Li Auto Inc. - ADR Sold out 0.00% −0.15
DASH DoorDash Inc. Class A Sold out 0.00% −0.15
ARKB ARK 21SHARES Bitcoin ETF Reduce -89.8% 0.02% −0.14
WIX Wix.com Ltd. Sold out 0.00% −0.14
PEP Pepsico Inc. Sold out 0.00% −0.13
TMO Thermo Fisher Scientific Inc. Sold out 0.00% −0.13
ETHE Grayscale Ethereum Staking E Sold out 0.00% −0.13
BWA Borgwarner Inc. Reduce -99.5% 0.00% −0.12
MRNA Moderna Inc. Reduce -73.3% 0.07% −0.12
CSX CSX Corp. Sold out 0.00% −0.12
AG First Majestic Silver Corp. Reduce -97.8% 0.00% −0.11

Portfolio Buys Q3 2025 → Q4 2025

NFLX Netflix Inc. Add +5319.8% 1.82% +1.79
WDC Western Digital Corp. New 1.66% +1.66
SOXX iShares Semiconductor ETF New 1.32% +1.32
META Meta Platforms Inc. Class A New 1.16% +1.16
BABA Alibaba Group Holding-SP ADR Add +66401.5% 0.94% +0.94
SMH Vaneck Semiconductor ETF New 0.79% +0.79
RKLB Rocket Lab Corp. New 0.79% +0.79
SOXL Direx Dail Semi Bu 3X Et-Usd Add +40.2% 1.46% +0.78
NVO Novo-Nordisk A/S-Spons ADR Add +70.8% 1.46% +0.73
PLTR Palantir Technologies Inc. Class A Add +204.8% 0.96% +0.70
BE Bloom Energy Corp. Class A Add +419.2% 0.74% +0.63
GDX Vaneck Gold Miners ETF New 0.60% +0.60
ORCL Oracle Corp. Add +460.1% 0.72% +0.57
CMCSA Comcast Corp. Class A Add +471.5% 0.66% +0.56
NEM Newmont Corp. New 0.55% +0.55
BA The Boeing Co. New 0.54% +0.54
CRWV Coreweave Inc. Class A New 0.49% +0.49
VRT Vertiv Holdings Co. Class A Add +143.5% 0.69% +0.48
AZO AutoZone Inc. Add +25360.0% 0.49% +0.48
SNDK Sandisk Corp. New 0.44% +0.44
CEG Constellation Energy Add +3595.1% 0.44% +0.44
DELL Dell Technologies -C Add +775.7% 0.47% +0.43
EOSE Eos Energy Enterprises Inc. Add +86.8% 0.72% +0.42
FCX Freeport-McMoran Inc. Add +26.6% 0.81% +0.42
WULF Terawulf Inc. Add +125.1% 0.63% +0.41
SOFI Sofi Technologies Inc. Add +12.3% 1.33% +0.39
ARM Arm Holdings PLC-ADR Add +467.4% 0.47% +0.39
BSX Boston Scientific Corp. New 0.38% +0.38
WBD Warner Bros Discovery Inc. Add +51.9% 0.57% +0.37
GS Goldman Sachs Group Inc. New 0.37% +0.37
CAR Avis Budget Group Inc. New 0.34% +0.34
LULU Lululemon Athletica Inc. Add +202.5% 0.43% +0.34
MS Morgan Stanley New 0.34% +0.34
UPS United Parcel Service Class B New 0.33% +0.33
SILJ Amplify Junior Silver Miners New 0.33% +0.33
PFE Pfizer Inc. Add +15.0% 1.04% +0.32
B Barrick Mining Corp. New 0.31% +0.31
LUV Southwest Airlines Co. New 0.31% +0.31
CFLT Confluent Inc. Class A New 0.30% +0.30
AMD Advanced Micro Devices Add +449.6% 0.34% +0.30
NEE Nextera Energy Inc. Add +29.4% 0.66% +0.28
SQQQ Proshares Ultrapro Short QQQ New 0.28% +0.28
ECHO Echostar Corp. Class A Add +52.8% 0.44% +0.28
SNOW Snowflake Inc. Add +205.5% 0.38% +0.28
UAL United Airlines Holdings Inc. New 0.27% +0.27
KMB Kimberly-Clark Corp. New 0.27% +0.27
SLB SLB Ltd. Add +44.2% 0.52% +0.27
ANF Abercrombie & Fitch Co. Class A New 0.26% +0.26
CRCL Circle Internet Group Inc. New 0.25% +0.25
GOOG Alphabet Inc. Class C Add +49.6% 0.43% +0.25

Options Activity Q3 2025 → Q4 2025

STATE STR SPDR S&P 500 ETF T put Reduce -11.7% 41,254,200 $28.1B
STATE STR SPDR S&P 500 ETF T call Add +5.8% 19,433,600 $13.3B
INVESCO QQQ TR put Reduce -18.9% 15,365,400 $9.4B
INVESCO QQQ TR call Add +19.5% 9,538,600 $5.9B
TESLA INC put Add +2.8% 12,842,700 $5.8B
ISHARES TR put Reduce -13.9% 33,557,500 $5.5B
NVIDIA CORPORATION call Add +10.9% 28,686,200 $5.3B
TESLA INC call Add +2.1% 11,691,000 $5.3B
NVIDIA CORPORATION put Reduce -4.0% 26,359,200 $4.9B
ISHARES TR call Reduce -11.0% 26,135,800 $3.5B
META PLATFORMS INC call Add +50.1% 4,605,900 $3.0B
ALPHABET INC call Reduce -9.5% 8,944,200 $2.8B
SPDR GOLD TR call Reduce -8.8% 6,421,700 $2.5B
APPLE INC call Reduce -5.0% 9,285,900 $2.5B
ALPHABET INC put Add +7.0% 7,357,300 $2.3B
APPLE INC put Reduce -20.6% 7,745,900 $2.1B
SPDR GOLD TR put Reduce -30.8% 4,151,600 $1.6B
META PLATFORMS INC put Add +9.4% 2,425,600 $1.6B
MICROSOFT CORP call Reduce -15.3% 3,087,200 $1.5B
AMAZON COM INC call Reduce -28.2% 5,860,700 $1.4B
BROADCOM INC put Add +20.1% 3,657,900 $1.3B
SELECT SECTOR SPDR TR put Add +7.9% 16,781,100 $1.2B
ISHARES SILVER TR call Reduce -10.9% 17,904,900 $1.2B
PALANTIR TECHNOLOGIES INC call Add +24.2% 6,167,100 $1.1B
MICROSOFT CORP put Reduce -28.7% 2,243,400 $1.1B
PALANTIR TECHNOLOGIES INC put Add +16.1% 6,072,300 $1.1B
AMAZON COM INC put Reduce -14.4% 4,358,100 $1.0B
ADVANCED MICRO DEVICES INC call Reduce -16.7% 4,566,700 $978.0M
NETFLIX INC. put Add +996.5% 10,059,900 $943.2M
UNITEDHEALTH GROUP INC call Reduce -6.4% 2,787,700 $920.2M
NETFLIX INC. call Add +1371.5% 9,724,800 $911.8M
BROADCOM INC call Reduce -4.4% 2,600,600 $900.1M
ISHARES BITCOIN TRUST ETF call Add +4.2% 17,890,100 $888.2M
VANECK ETF TRUST put Reduce -15.7% 4,735,900 $847.7M
ADVANCED MICRO DEVICES INC put Reduce -13.1% 3,786,200 $810.9M
SELECT SECTOR SPDR TR call Add +14.4% 11,518,300 $769.3M
ISHARES SILVER TR put Add +59.1% 11,310,200 $728.6M
TAIWAN SEMICONDUCTOR MANUFAC put Sold out 2,417,100 $675.1Mbefore exit
STRATEGY INC put Reduce -20.2% 3,851,200 $583.2M
ORACLE CORP call Add +20.7% 2,877,400 $560.8M
UNITEDHEALTH GROUP INC put Reduce -7.4% 1,623,900 $536.1M
MICRON TECHNOLOGY INC put Reduce -14.2% 1,741,100 $496.9M
ALIBABA GROUP HLDG LTD call Reduce -29.6% 3,483,000 $490.9M
STATE STR SPDR DOW JONES IND put Add +122.1% 951,000 $457.0M
SPDR SERIES TRUST put Reduce -18.2% 5,034,000 $442.5M
ORACLE CORP put Add +10.1% 2,232,600 $435.2M
ISHARES TR put Add +11.7% 5,327,600 $434.0M
ISHARES BITCOIN TRUST ETF put Reduce -15.6% 8,660,500 $430.0M
STRATEGY INC call Add +4.0% 2,835,200 $424.6M
INTEL CORP call Reduce -17.9% 11,326,800 $418.0M

Showing the first 50 of 6,922.

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 2,733$3.8BNVDA, IWM, TLT, GOOGL, SOXX
Q1 2026 2,613$3.2BNVDA, AMZN, SPY, META, TSM
Q4 2025 2,449$3.6BAAPL, NVDA, AVGO, NFLX, SPY
Q3 2025 2,622$4.5BNVDA, AAPL, MSFT, IWM, UNH
Q2 2025 2,428$3.7BNVDA, AAPL, AVGO, TLT, GOOGL
Q1 2025 2,403$2.8BTLT, NVDA, GOOGL, TSM, INTC
Q4 2024 2,442$3.5BAAPL, MSTR, INTC, NVDA, BABA
Q3 2024 2,294$3.0BNVDA, PDD, BABA, BA, KWEB
Q2 2024 2,401$3.1BNVDA, AVGO, INTC, C, PFE
Q1 2024 2,382$3.4BPFE, XLE, BA, INTC, TSM