Simplex Trading, LLC

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 8, 2024), Simplex Trading, LLC reported 2,294 stock positions worth $3.0 billion. Its top holding was Nvidia (NVDA) at 5.6% of the portfolio, followed by PDD (PDD, 3.2%) and Alibaba Group Holding-SP ADR (BABA, 3.1%). Compared with Q2 2024, it opened 778 new positions, sold out of 885, added to 697 and reduced 812. The biggest buy was a new position in Boeing (BA) and the biggest sale an exit from Broadcom (AVGO).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001488542
Portfolio Value
$3.0B (Q3 2024)
SEC Filing
0001488542-24-000015 ↗ filed Nov 8, 2024

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 $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 Q4 2025 Q1 2026: $3.2B Q1 2026 Q2 2026: $3.8B Q2 2026

Holdings 2,294 stocks · $3.0B

NVDA Nvidia Corp. 5.62% 1,371,414 $166.5M Add +17.4%
PDD PDD Holdings Inc. 3.23% 710,095 $95.7M Add +89.8%
BABA Alibaba Group Holding-SP ADR 3.08% 859,211 $91.2M Add +7.5%
BA The Boeing Co. 1.67% 325,328 $49.5M New
KWEB Kranesh Csi China Internet 1.62% 1,408,501 $47.9M Add +43.6%
MSFT Microsoft Corp. 1.43% 98,740 $42.5M New
AMD Advanced Micro Devices 1.32% 238,757 $39.2M Add +125.2%
ARM Arm Holdings PLC-ADR 1.29% 267,749 $38.3M Add +84.4%
INTC Intel Corp. 1.23% 1,558,236 $36.6M Reduce -44.3%
BKNG Booking Holdings Inc. 1.19% 8,376 $35.3M Add +130.2%
CVS CVS Health Corp. 1.14% 538,186 $33.8M Add +62.0%
AAPL Apple Inc. 1.12% 143,113 $33.3M New
XLE SS Energy Select Sector 1.05% 354,871 $31.2M Add +287.5%
SOXL Direx Dail Semi Bu 3X Et-Usd 0.95% 764,731 $28.1M Add +949.7%
B Barrick Gold Corp. 0.88% 1,306,715 $26.0M Reduce -50.3%
IWM iShares Russell 2000 ETF 0.85% 113,827 $25.1M New
HOOD Robinhood Markets Inc. Class A 0.79% 1,002,580 $23.5M Reduce -2.6%
BIDU Baidu Inc. - Spon ADR 0.73% 204,790 $21.6M Reduce -45.4%
FCX Freeport-McMoran Inc. 0.72% 425,197 $21.2M Add +30.1%
OXY Occidental Petroleum Corp. 0.71% 407,778 $21.0M New
LW Lamb Weston Holdings Inc. 0.68% 311,122 $20.1M Add +200.2%
TSM Taiwan Semiconductor-SP ADR 0.68% 115,312 $20.0M Reduce -66.9%
FAS Dirx DLY Finacial B3X ETF-Ui 0.67% 153,903 $20.0M Add +17.1%
CEG Constellation Energy 0.64% 73,453 $19.1M Add +97.8%
GDX Vaneck Gold Miners ETF 0.62% 463,105 $18.4M New
V Visa Inc. Class A 0.61% 66,210 $18.2M New
BMY Bristol-Myers Squibb Co. 0.61% 351,086 $18.2M Reduce -37.1%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.61% 188,224 $18.1M Add +216.3%
C Citigroup Inc. 0.61% 288,926 $18.1M Reduce -76.2%
NKE Nike Inc. Class B 0.59% 199,564 $17.6M Add +5131.0%
IEF iShares 7-10 Year Treasury B 0.59% 179,259 $17.6M New
X United States Steel Corp. 0.58% 487,266 $17.2M New
HUM Humana Inc. 0.56% 52,818 $16.7M Add +157.6%
GOOG Alphabet Inc. Class C 0.56% 99,464 $16.6M Add +760.0%
DELL Dell Technologies -C 0.55% 136,887 $16.2M Add +28.5%
ALB Albemarle Corp. 0.54% 170,216 $16.1M Add +198.8%
U Unity Software Inc. 0.54% 706,351 $16.0M Add +72.9%
EFA iShares MSCI Eafe ETF 0.49% 173,650 $14.5M New
ASML ASML Holding NV-NY Reg SHS 0.48% 17,098 $14.2M Reduce -20.1%
WBA Walgreens Boots Alliance Inc. 0.46% 1,510,857 $13.5M Add +279.6%
EL Estee Lauder Companies Class A filed as LAUDER ESTEE COS INC 0.45% 133,458 $13.3M New
PSQ Proshares Short QQQ 0.44% 333,536 $13.2M Add +79.6%
TWLO Twilio Inc. Class A 0.44% 200,078 $13.0M Reduce -17.2%
BILI Bilibili Inc.-Sponsored ADR 0.43% 544,237 $12.7M Add +76.1%
SNOW Snowflake Inc. 0.43% 110,529 $12.7M Reduce -54.4%
BBY Best Buy Co. Inc. 0.42% 120,549 $12.5M Add +5.4%
WBD Warner Bros Discovery Inc. 0.42% 1,494,111 $12.3M Add +51.3%
LUV Southwest Airlines Co. 0.41% 408,416 $12.1M Add +6.1%
MMM 3M Co. 0.40% 87,838 $12.0M Reduce -14.7%
PINS Pinterest Inc. Class A 0.40% 362,130 $11.7M New
VLO Valero Energy Corp. 0.39% 86,473 $11.7M Reduce -11.5%
CCL Carnival Corp. 0.39% 627,189 $11.6M Reduce -33.9%
EWZ iShares MSCI Brazil ETF 0.39% 389,145 $11.5M Reduce -64.1%
NVAX Novavax Inc. 0.38% 898,820 $11.4M Add +236.1%
VST Vistra Corp. 0.38% 93,922 $11.1M New
MUB iShares National Muni Bond E 0.37% 101,353 $11.0M Add +3823.8%
STLD Steel Dynamics Inc. 0.36% 84,163 $10.6M Add +201.6%
UNP Union Pacific Corp. 0.36% 43,010 $10.6M Add +283.0%
UPST Upstart Holdings Inc. 0.36% 264,883 $10.6M Add +393.0%
MU Micron Technology Inc. 0.36% 102,047 $10.6M Add +83.3%
MARA Mara Holdings Inc. 0.35% 641,165 $10.4M Reduce -53.0%
ETN Eaton Corp. PLC 0.35% 31,262 $10.4M New
BIIB Biogen Inc. 0.35% 53,118 $10.3M Add +156.4%
NEM Newmont Corp. 0.34% 190,777 $10.2M Reduce -76.8%
IREN Iren Ltd. filed as IRIS ENERGY LTD 0.34% 1,185,323 $10.0M Add +17.6%
SOFI Sofi Technologies Inc. 0.33% 1,257,779 $9.9M Reduce -30.8%
WDAY Workday Inc. Class A 0.33% 40,042 $9.8M New
CELH Celsius Holdings Inc. 0.33% 310,192 $9.7M Add +1.1%
LVS Las Vegas Sands Corp. 0.33% 192,572 $9.7M Add +68.0%
ADI Analog Devices Inc. 0.33% 41,868 $9.6M Add +7.2%
SIRI Sirius XM Holdings Inc. 0.32% 399,428 $9.4M New
AMZN Amazon.com Inc. 0.32% 50,202 $9.4M Reduce -73.4%
YINN Direxion DLY Ftse CH BL3X-Ui 0.31% 251,177 $9.3M Add +230.5%
ET Energy Transfer LP 0.30% 560,682 $9.0M Add +11.3%
FTNT Fortinet Inc. 0.30% 112,855 $8.8M Reduce -60.5%
BSX Boston Scientific Corp. 0.28% 99,260 $8.3M Add +279.5%
CVX Chevron Corp. 0.28% 56,165 $8.3M New
QCOM Qualcomm Inc. 0.28% 48,389 $8.2M Reduce -72.2%
CSIQ Canadian Solar Inc. 0.28% 489,874 $8.2M Add +61.5%
RIOT Riot Platforms Inc. 0.27% 1,097,648 $8.1M Add +88.3%
TT Trane Technologies PLC 0.27% 20,631 $8.0M Add +29.3%
DHI D.R. Horton Inc. 0.27% 41,837 $8.0M New
WYNN WYNN Resorts Ltd. 0.27% 82,211 $7.9M Reduce -17.0%
RIVN Rivian Automotive Inc. Class A 0.27% 701,907 $7.9M Add +249.5%
MCHI iShares MSCI China ETF 0.26% 152,352 $7.8M Reduce -5.3%
FCNCA First Citizens Bcshs Class A 0.26% 4,207 $7.7M Add +116.6%
CMCSA Comcast Corp. Class A 0.26% 183,370 $7.7M Add +75.8%
PFE Pfizer Inc. 0.26% 262,966 $7.6M Reduce -88.0%
GM General Motors Co. 0.26% 169,441 $7.6M New
ELF Elf Beauty Inc. 0.26% 69,490 $7.6M New
FDX FedEx Corp. 0.25% 27,543 $7.5M New
TMF Dir DLY 20+YR TR BL3X ETF-Ui 0.25% 130,339 $7.5M Reduce -4.7%
F Ford Motor Co. filed as FORD MTR CO 0.25% 701,646 $7.4M Add +657.6%
PANW Palo Alto Networks Inc. 0.25% 21,298 $7.3M Reduce -42.7%
NIO Nio Inc. - ADR 0.25% 1,088,972 $7.3M Add +26.2%
SWK Stanley Black & Decker Inc. 0.24% 65,606 $7.2M Add +857.9%
ASTS Ast Spacemobile Inc. 0.24% 275,492 $7.2M Add +102.6%
NFLX Netflix Inc. 0.24% 9,857 $7.0M Add +166.9%
VFC VF Corp. 0.23% 347,374 $6.9M Reduce -23.7%
INTU Intuit Inc. 0.23% 11,078 $6.9M Add +1129.5%

Show all 2,294 holdings

Options reported separately and not counted above: STATE STR SPDR S&P 500 ETF T puts ($32.8B), STATE STR SPDR S&P 500 ETF T calls ($14.7B), INVESCO QQQ TR puts ($7.1B), ISHARES TR puts ($6.7B), NVIDIA CORPORATION calls ($4.9B), NVIDIA CORPORATION puts ($4.9B), INVESCO QQQ TR calls ($4.7B), ISHARES TR calls ($4.3B), APPLE INC calls ($2.9B), TESLA INC calls ($2.8B), TESLA INC puts ($2.2B), APPLE INC puts ($2.0B), and 6435 more.

Portfolio Sells Q2 2024 → Q3 2024

AVGO Broadcom Inc. Sold out 0.00% −3.07
C Citigroup Inc. Reduce -76.2% 0.61% −1.86
PFE Pfizer Inc. Reduce -88.0% 0.26% −1.72
INTC Intel Corp. Reduce -44.3% 1.23% −1.55
TSM Taiwan Semiconductor-SP ADR Reduce -66.9% 0.68% −1.27
SMCI Super Micro Computer Inc. Sold out 0.00% −1.12
GLD SPDR Gold Shares Sold out 0.00% −1.05
SBUX Starbucks Corp. Reduce -92.8% 0.10% −1.01
AMZN Amazon.com Inc. Reduce -73.4% 0.32% −0.86
QCOM Qualcomm Inc. Reduce -72.2% 0.28% −0.84
NEM Newmont Corp. Reduce -76.8% 0.34% −0.77
UNH Unitedhealth Group Inc. Sold out 0.00% −0.71
CSCO Cisco Systems Inc. Reduce -91.7% 0.08% −0.70
LULU Lululemon Athletica Inc. Sold out 0.00% −0.63
SNOW Snowflake Inc. Reduce -54.4% 0.43% −0.62
META Meta Platforms Inc. Class A Sold out 0.00% −0.60
EWZ iShares MSCI Brazil ETF Reduce -64.1% 0.39% −0.57
TGT Target Corp. Sold out 0.00% −0.56
SLV iShares Silver Trust Sold out 0.00% −0.55
B Barrick Gold Corp. Reduce -50.3% 0.88% −0.53
BRK.B Berkshire Hathaway Inc. Class B Sold out 0.00% −0.53
COIN Coinbase Global Inc. Class A Reduce -70.3% 0.17% −0.52
MARA Mara Holdings Inc. Reduce -53.0% 0.35% −0.52
MCD McDonald's Corp. Sold out 0.00% −0.51
UAL United Airlines Holdings Inc. Sold out 0.00% −0.51
NVO Novo-Nordisk A/S-Spons ADR Reduce -89.2% 0.05% −0.49
JNJ Johnson & Johnson Reduce -77.3% 0.17% −0.48
JD Jd.com Inc.-ADR Reduce -94.5% 0.04% −0.44
AFRM Affirm Holdings Inc. Sold out 0.00% −0.41
IP International Paper Co. Sold out 0.00% −0.38
QQQ Invesco QQQ Trust Series 1 Sold out 0.00% −0.37
SRPT Sarepta Therapeutics Inc. Sold out 0.00% −0.32
BIDU Baidu Inc. - Spon ADR Reduce -45.4% 0.73% −0.32
FTNT Fortinet Inc. Reduce -60.5% 0.30% −0.26
BTI British American Tob-SP ADR Sold out 0.00% −0.26
HPE Hewlett Packard Enterprise Reduce -86.5% 0.04% −0.24
NVDL Granitesh 2X LNG Nvda ETF Reduce -97.1% 0.01% −0.23
ASML ASML Holding NV-NY Reg SHS Reduce -20.1% 0.48% −0.22
IYR iShares US Real Estate ETF Sold out 0.00% −0.22
GFI Gold Fields Ltd.-Spons ADR Reduce -88.3% 0.03% −0.21
ROKU Roku Inc. Reduce -70.6% 0.13% −0.20
PENN Penn Entertainment Inc. Reduce -63.1% 0.12% −0.20
SWKS Skyworks Solutions Inc. Sold out 0.00% −0.20
CVNA Carvana Co. Sold out 0.00% −0.19
CARR Carrier Global Corp. Sold out 0.00% −0.19
COP Conocophillips Sold out 0.00% −0.19
PARAA Paramount Global Class B Reduce -63.2% 0.12% −0.19
DOW Dow Inc. Sold out 0.00% −0.18
CCL Carnival Corp. Reduce -33.9% 0.39% −0.18
SNAP Snap Inc. Class A Sold out 0.00% −0.18

Portfolio Buys Q2 2024 → Q3 2024

BA The Boeing Co. New 1.67% +1.67
PDD PDD Holdings Inc. Add +89.8% 3.23% +1.63
MSFT Microsoft Corp. New 1.43% +1.43
BABA Alibaba Group Holding-SP ADR Add +7.5% 3.08% +1.23
AAPL Apple Inc. New 1.12% +1.12
NVDA Nvidia Corp. Add +17.4% 5.62% +0.98
IWM iShares Russell 2000 ETF New 0.85% +0.85
SOXL Direx Dail Semi Bu 3X Et-Usd Add +949.7% 0.95% +0.82
XLE SS Energy Select Sector Add +287.5% 1.05% +0.78
AMD Advanced Micro Devices Add +125.2% 1.32% +0.77
KWEB Kranesh Csi China Internet Add +43.6% 1.62% +0.76
BKNG Booking Holdings Inc. Add +130.2% 1.19% +0.73
OXY Occidental Petroleum Corp. New 0.71% +0.71
GDX Vaneck Gold Miners ETF New 0.62% +0.62
V Visa Inc. Class A New 0.61% +0.61
IEF iShares 7-10 Year Treasury B New 0.59% +0.59
NKE Nike Inc. Class B Add +5131.0% 0.59% +0.59
X United States Steel Corp. New 0.58% +0.58
ARM Arm Holdings PLC-ADR Add +84.4% 1.29% +0.53
CVS CVS Health Corp. Add +62.0% 1.14% +0.51
GOOG Alphabet Inc. Class C Add +760.0% 0.56% +0.49
EFA iShares MSCI Eafe ETF New 0.49% +0.49
EL Estee Lauder Companies Class A New 0.45% +0.45
DIS The Walt Disney Co. Add +216.3% 0.61% +0.42
CEG Constellation Energy Add +97.8% 0.64% +0.41
LW Lamb Weston Holdings Inc. Add +200.2% 0.68% +0.40
PINS Pinterest Inc. Class A New 0.40% +0.40
VST Vistra Corp. New 0.38% +0.38
ALB Albemarle Corp. Add +198.8% 0.54% +0.37
MUB iShares National Muni Bond E Add +3823.8% 0.37% +0.36
ETN Eaton Corp. PLC New 0.35% +0.35
WDAY Workday Inc. Class A New 0.33% +0.33
U Unity Software Inc. Add +72.9% 0.54% +0.33
SIRI Sirius XM Holdings Inc. New 0.32% +0.32
HUM Humana Inc. Add +157.6% 0.56% +0.32
UPST Upstart Holdings Inc. Add +393.0% 0.36% +0.32
WBA Walgreens Boots Alliance Inc. Add +279.6% 0.46% +0.30
CVX Chevron Corp. New 0.28% +0.28
UNP Union Pacific Corp. Add +283.0% 0.36% +0.28
BILI Bilibili Inc.-Sponsored ADR Add +76.1% 0.43% +0.28
NVAX Novavax Inc. Add +236.1% 0.38% +0.27
DHI D.R. Horton Inc. New 0.27% +0.27
YINN Direxion DLY Ftse CH BL3X-Ui Add +230.5% 0.31% +0.26
GM General Motors Co. New 0.26% +0.26
ELF Elf Beauty Inc. New 0.26% +0.26
FDX FedEx Corp. New 0.25% +0.25
FAS Dirx DLY Finacial B3X ETF-Ui Add +17.1% 0.67% +0.25
STLD Steel Dynamics Inc. Add +201.6% 0.36% +0.24
LYFT LYFT Inc. Class A New 0.23% +0.23
SWK Stanley Black & Decker Inc. Add +857.9% 0.24% +0.23

Options Activity Q2 2024 → Q3 2024

STATE STR SPDR S&P 500 ETF T put Add +8.6% 57,141,100 $32.8B
STATE STR SPDR S&P 500 ETF T call Add +32.5% 25,697,100 $14.7B
INVESCO QQQ TR put Reduce -22.2% 14,583,900 $7.1B
ISHARES TR put Add +16.0% 43,171,000 $6.7B
NVIDIA CORPORATION call Reduce -21.2% 40,248,500 $4.9B
NVIDIA CORPORATION put Reduce -7.2% 40,115,900 $4.9B
INVESCO QQQ TR call Reduce -2.3% 9,592,800 $4.7B
ISHARES TR call Add +15.6% 35,776,600 $4.3B
APPLE INC call Reduce -24.2% 12,327,200 $2.9B
TESLA INC call Reduce -3.3% 10,821,800 $2.8B
TESLA INC put Reduce -51.1% 9,265,800 $2.2B
APPLE INC put Reduce -8.1% 8,452,000 $2.0B
META PLATFORMS INC call Add +10.6% 3,190,300 $1.8B
SELECT SECTOR SPDR TR put Add +15.7% 21,966,300 $1.5B
SPDR GOLD TR call Add +0.8% 5,732,500 $1.4B
MICROSOFT CORP call Add +0.9% 2,859,900 $1.2B
META PLATFORMS INC put Add +9.1% 2,237,000 $1.2B
ALPHABET INC call Add +15.6% 7,594,900 $1.2B
AMAZON COM INC call Reduce -16.8% 5,519,700 $1.0B
SPDR GOLD TR put Reduce -5.9% 4,172,700 $1.0B
AMAZON COM INC put Reduce -13.4% 5,255,200 $979.2M
SELECT SECTOR SPDR TR call Reduce -16.6% 11,864,100 $978.7M
ALIBABA GROUP HLDG LTD call Reduce -3.3% 9,183,600 $974.6M
MICROSOFT CORP put Reduce -26.6% 2,002,600 $861.7M
ALPHABET INC put Add +1.1% 5,026,800 $819.9M
ADVANCED MICRO DEVICES INC put Add +12.1% 4,674,200 $766.9M
BOOKING HOLDINGS INC call Add +561.7% 174,700 $735.9M
VANECK ETF TRUST put Add +6.0% 5,677,700 $679.5M
BROADCOM INC call Add +575.6% 3,638,000 $627.6M
VANECK ETF TRUST call Reduce -6.2% 7,616,900 $617.7M
ADVANCED MICRO DEVICES INC call Reduce -4.6% 4,036,500 $596.5M
BROADCOM INC put Add +652.7% 3,420,100 $590.0M
NETFLIX INC. put Add +36.5% 895,900 $572.0M
STATE STR SPDR DOW JONES IND put Add +28.9% 1,293,600 $547.3M
STRATEGY INC call Add +782.4% 2,925,900 $493.3M
BOOKING HOLDINGS INC put Add +5.8% 114,100 $480.6M
TAIWAN SEMICONDUCTOR MANUFAC put Add +6.8% 2,721,800 $472.7M
ALIBABA GROUP HLDG LTD put Add +34.8% 4,278,400 $454.0M
ISHARES SILVER TR call Add +11.3% 15,575,800 $442.5M
COSTCO WHOLESALE CORPORATION put Reduce -14.6% 472,900 $419.2M
SPDR SERIES TRUST put Reduce -11.8% 6,762,900 $418.1M
STRATEGY INC put Add +412.9% 2,630,000 $410.0M
BERKSHIRE HATHAWAY INC DEL call Add +39.6% 865,500 $398.4M
PDD HOLDINGS INC put Add +54.3% 2,661,800 $358.8M
ASML HLDG NV call Add +477.0% 421,200 $351.0M
MICRON TECHNOLOGY INC call Add +9.1% 3,382,800 $350.8M
NETFLIX INC. call Add +11.3% 488,000 $346.1M
WALMART INC call Add +102.4% 4,248,800 $343.1M
PDD HOLDINGS INC call Add +78.0% 2,536,500 $341.9M
JPMORGAN CHASE & CO call Sold out 1,659,300 $335.6Mbefore exit

Showing the first 50 of 6,787.

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