Simplex Trading, LLC

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed July 25, 2024), Simplex Trading, LLC reported 2,401 stock positions worth $3.1 billion. Its top holding was Nvidia (NVDA) at 4.6% of the portfolio, followed by Broadcom (AVGO, 3.1%) and Intel (INTC, 2.8%). Compared with Q1 2024, it opened 876 new positions, sold out of 858, added to 724 and reduced 790. The biggest buy was Nvidia (NVDA, shares +371%) and the biggest sale SS Energy Select Sector (XLE, shares −92%).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001488542
Portfolio Value
$3.1B (Q2 2024)
SEC Filing
0001464302-24-000003 ↗ filed Jul 25, 2024

Holdings Value

0$1.0B$2.0B$3.0B$4.0B$5.0B Q1 2024: $3.4B Q1 2024 Q2 2024: $3.1B $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 Q4 2025 Q1 2026: $3.2B Q1 2026 Q2 2026: $3.8B Q2 2026

Holdings 2,401 stocks · $3.1B

NVDA Nvidia Corp. 4.64% 1,167,780 $144.3M Add +370.8%
AVGO Broadcom Inc. 3.07% 59,399 $95.4M Add +124.8%
INTC Intel Corp. 2.79% 2,799,750 $86.7M Add +105.5%
C Citigroup Inc. 2.47% 1,213,247 $77.0M New
PFE Pfizer Inc. 1.97% 2,195,260 $61.4M Reduce -52.3%
TSM Taiwan Semiconductor-SP ADR 1.95% 348,151 $60.5M Reduce -17.9%
BABA Alibaba Group Holding-SP ADR 1.85% 799,246 $57.5M Add +26.8%
PDD PDD Holdings Inc. 1.60% 374,085 $49.7M New
B Barrick Gold Corp. 1.41% 2,628,449 $43.8M Add +57.1%
AMZN Amazon.com Inc. 1.17% 188,667 $36.5M New
SMCI Super Micro Computer Inc. 1.12% 42,632 $34.9M New
SBUX Starbucks Corp. 1.12% 446,246 $34.7M Add +15.0%
QCOM Qualcomm Inc. 1.11% 173,989 $34.7M New
NEM Newmont Corp. 1.11% 824,151 $34.5M Reduce -3.5%
SNOW Snowflake Inc. 1.05% 242,389 $32.7M Add +128.8%
GLD SPDR Gold Shares 1.05% 152,011 $32.7M New
BIDU Baidu Inc. - Spon ADR 1.04% 375,303 $32.5M Reduce -3.8%
EWZ iShares MSCI Brazil ETF 0.95% 1,084,950 $29.7M Add +590.0%
MARA Mara Holdings Inc. filed as MARATHON DIGITAL HOLDINGS IN 0.87% 1,364,416 $27.1M Reduce -6.6%
KWEB Kranesh Csi China Internet 0.85% 981,118 $26.5M Reduce -52.7%
CSCO Cisco Systems Inc. 0.78% 508,584 $24.2M Reduce -19.8%
ARM Arm Holdings PLC-ADR 0.76% 145,197 $23.8M New
HOOD Robinhood Markets Inc. Class A 0.75% 1,029,854 $23.4M Add +62.1%
BMY Bristol-Myers Squibb Co. 0.74% 558,011 $23.2M Add +10.8%
UNH Unitedhealth Group Inc. 0.71% 43,158 $22.0M Add +28.0%
ASML ASML Holding NV-NY Reg SHS 0.70% 21,402 $21.9M Add +204.3%
COIN Coinbase Global Inc. Class A 0.70% 97,709 $21.7M New
JNJ Johnson & Johnson 0.65% 138,645 $20.3M New
LULU Lululemon Athletica Inc. 0.63% 65,959 $19.7M Add +369.4%
CVS CVS Health Corp. 0.63% 332,122 $19.6M Add +125.6%
META Meta Platforms Inc. Class A 0.60% 37,167 $18.7M Reduce -65.7%
CCL Carnival Corp. 0.57% 948,317 $17.8M Reduce -7.5%
CELH Celsius Holdings Inc. 0.56% 306,850 $17.5M New
TGT Target Corp. 0.56% 117,544 $17.4M Add +1965.8%
FTNT Fortinet Inc. 0.55% 285,618 $17.2M Add +114.3%
AMD Advanced Micro Devices 0.55% 106,023 $17.2M Reduce -56.4%
SLV iShares Silver Trust 0.55% 646,240 $17.2M Reduce -56.0%
NVO Novo-Nordisk A/S-Spons ADR 0.54% 117,367 $16.8M Reduce -38.1%
BRK.B Berkshire Hathaway Inc. Class B 0.53% 40,510 $16.5M Reduce -7.0%
MCD McDonald's Corp. 0.51% 62,671 $16.0M Add +2221.2%
FCX Freeport-McMoran Inc. 0.51% 326,831 $15.9M Add +38.8%
UAL United Airlines Holdings Inc. 0.51% 323,713 $15.8M Add +35.8%
VLO Valero Energy Corp. 0.49% 97,670 $15.3M Reduce -38.7%
JD Jd.com Inc.-ADR 0.48% 583,923 $15.1M Reduce -64.7%
DELL Dell Technologies -C 0.47% 106,560 $14.7M Reduce -17.5%
BKNG Booking Holdings Inc. 0.46% 3,638 $14.4M Reduce -44.3%
TWLO Twilio Inc. Class A 0.44% 241,571 $13.7M Add +198.6%
FAS Dirx DLY Finacial B3X ETF-Ui 0.43% 131,390 $13.3M Add +2.0%
AFRM Affirm Holdings Inc. 0.41% 419,737 $12.7M Add +494.9%
PANW Palo Alto Networks Inc. 0.41% 37,166 $12.6M Add +708.7%
SOFI Sofi Technologies Inc. 0.39% 1,817,798 $12.0M Reduce -13.7%
IP International Paper Co. 0.38% 273,721 $11.8M Add +340.0%
QQQ Invesco QQQ Trust Series 1 0.37% 24,028 $11.5M Reduce -8.7%
IREN Iren Ltd. filed as IRIS ENERGY LTD 0.37% 1,008,131 $11.4M Add +126.5%
LUV Southwest Airlines Co. 0.35% 384,844 $11.0M Add +784.3%
MMM 3M Co. 0.34% 103,025 $10.5M Reduce -45.9%
GILD Gilead Sciences Inc. 0.34% 152,442 $10.5M Add +50.6%
AI C3.AI Inc. Class A 0.34% 360,674 $10.4M Reduce -27.4%
ROKU Roku Inc. 0.33% 170,087 $10.2M Add +178.8%
SRPT Sarepta Therapeutics Inc. 0.32% 63,784 $10.1M Reduce -4.5%
PENN Penn Entertainment Inc. 0.32% 517,446 $10.0M New
PARAA Paramount Global Class B 0.31% 936,310 $9.7M Add +23.9%
BBY Best Buy Co. Inc. 0.31% 114,394 $9.6M Add +109.9%
BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP 0.30% 155,531 $9.3M Add +32.9%
ADI Analog Devices Inc. 0.29% 39,069 $8.9M New
APD Air Products & Chemicals Inc. 0.29% 34,448 $8.9M Add +339.5%
WYNN WYNN Resorts Ltd. 0.28% 99,037 $8.9M Add +274.9%
HPE Hewlett Packard Enterprise 0.28% 414,679 $8.8M Add +243.0%
STX Seagate Technology Holdings 0.28% 84,896 $8.8M New
LW Lamb Weston Holdings Inc. 0.28% 103,628 $8.7M Add +195.8%
CLSK Cleanspark Inc. 0.28% 536,880 $8.6M Add +63.0%
AAL American Airlines Group Inc. 0.27% 754,745 $8.6M New
XLE SS Energy Select Sector 0.27% 91,589 $8.3M Reduce -91.7%
ET Energy Transfer LP 0.26% 503,554 $8.2M Reduce -7.8%
VALE Vale SA-SP ADR 0.26% 728,549 $8.1M Reduce -27.0%
BTI British American Tob-SP ADR 0.26% 258,941 $8.0M Add +28.5%
MBLY Mobileye Global Inc. Class A 0.25% 275,448 $7.7M New
HUM Humana Inc. 0.25% 20,501 $7.7M Reduce -27.7%
GFI Gold Fields Ltd.-Spons ADR 0.24% 511,477 $7.6M New
PSQ Proshares Short QQQ 0.24% 185,701 $7.5M Add +1163.8%
DJT Trump Media & Technology Gro 0.24% 227,803 $7.5M New
CEG Constellation Energy 0.24% 37,126 $7.4M New
NVDL Granitesh 2X LNG Nvda ETF 0.24% 106,766 $7.4M Add +974.2%
WBD Warner Bros Discovery Inc. 0.24% 987,527 $7.3M Reduce -19.3%
MU Micron Technology Inc. 0.24% 55,662 $7.3M Reduce -81.0%
IYR iShares US Real Estate ETF 0.22% 77,379 $6.8M Add +86.0%
MCHI iShares MSCI China ETF 0.22% 160,815 $6.8M Add +194.9%
BITO Proshares Bitcoin ETF-Usd 0.22% 298,798 $6.7M Reduce -67.0%
U Unity Software Inc. 0.21% 408,479 $6.6M Add +379.7%
TMF Dir DLY 20+YR TR BL3X ETF-Ui 0.21% 136,749 $6.6M Add +102.4%
WOLF Wolfspeed Inc. 0.20% 277,965 $6.3M Add +33.9%
SWKS Skyworks Solutions Inc. 0.20% 57,728 $6.2M New
VFC VF Corp. 0.20% 455,213 $6.1M Add +118.3%
STZ Constellation Brands Inc. Class A 0.20% 23,607 $6.1M New
CVNA Carvana Co. 0.19% 46,288 $6.0M Reduce -23.4%
TSN Tyson Foods Inc. Class A 0.19% 103,752 $5.9M Reduce -28.0%
CARR Carrier Global Corp. 0.19% 93,923 $5.9M Add +141.4%
COP Conocophillips 0.19% 51,756 $5.9M New
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.19% 59,516 $5.9M Reduce -62.1%
RIG Transocean Ltd. 0.19% 1,089,497 $5.8M Reduce -4.3%

Show all 2,401 holdings

Options reported separately and not counted above: STATE STR SPDR S&P 500 ETF T puts ($28.5B), STATE STR SPDR S&P 500 ETF T calls ($10.4B), INVESCO QQQ TR puts ($9.0B), NVIDIA CORPORATION calls ($6.3B), ISHARES TR puts ($5.6B), NVIDIA CORPORATION puts ($5.3B), INVESCO QQQ TR calls ($4.7B), ISHARES TR calls ($4.0B), TESLA INC puts ($3.7B), APPLE INC calls ($3.4B), TESLA INC calls ($2.2B), APPLE INC puts ($1.9B), and 6630 more.

Portfolio Sells Q1 2024 → Q2 2024

XLE SS Energy Select Sector Reduce -91.7% 0.27% −2.77
BA The Boeing Co. Sold out 0.00% −1.94
PFE Pfizer Inc. Reduce -52.3% 1.97% −1.75
PYPL PayPal Holdings Inc. Sold out 0.00% −1.29
GE General Electric Sold out 0.00% −1.08
SOXL Direx Dail Semi Bu 3X Et-Usd Reduce -91.8% 0.13% −1.07
GOOG Alphabet Inc. Class C Reduce -95.3% 0.07% −1.03
META Meta Platforms Inc. Class A Reduce -65.7% 0.60% −0.93
CRWD CrowdStrike Holdings Inc. Class A Sold out 0.00% −0.93
JD Jd.com Inc.-ADR Reduce -64.7% 0.48% −0.84
LLY Eli Lilly & Co. Sold out 0.00% −0.82
NKE Nike Inc. Class B Reduce -98.7% 0.01% −0.80
MU Micron Technology Inc. Reduce -81.0% 0.24% −0.77
KWEB Kranesh Csi China Internet Reduce -52.7% 0.85% −0.73
AMD Advanced Micro Devices Reduce -56.4% 0.55% −0.73
BITO Proshares Bitcoin ETF-Usd Reduce -67.0% 0.22% −0.64
SPY SS SPDR S&P 500 ETF Trust-US Sold out 0.00% −0.56
GDX Vaneck Gold Miners ETF Sold out 0.00% −0.53
XBI SS SPDR S&P Biotech ETF Sold out 0.00% −0.52
GOOGL Alphabet Inc. Class A Reduce -97.9% 0.01% −0.49
IEF iShares 7-10 Year Treasury B Sold out 0.00% −0.46
SLV iShares Silver Trust Reduce -56.0% 0.55% −0.42
ALB Albemarle Corp. Reduce -62.1% 0.17% −0.40
DECK Deckers Outdoor Corp. Reduce -88.5% 0.06% −0.39
FSLR First Solar Inc. Reduce -89.6% 0.07% −0.38
NOW ServiceNow Inc. Sold out 0.00% −0.38
DIS The Walt Disney Co. Reduce -62.1% 0.19% −0.37
MRVL Marvell Technology Inc. Sold out 0.00% −0.37
CYTK Cytokinetics Inc. Sold out 0.00% −0.36
CVX Chevron Corp. Sold out 0.00% −0.36
KRE SS SPDR S&P Regional Bank Sold out 0.00% −0.34
F Ford Motor Co. Reduce -90.4% 0.04% −0.34
DDOG Datadog Inc. Class A Sold out 0.00% −0.34
SEDG Solaredge Technologies Inc. Sold out 0.00% −0.32
CART Maplebear Inc. Reduce -84.6% 0.05% −0.32
AMT American Tower Corp. Reduce -71.2% 0.14% −0.31
VLO Valero Energy Corp. Reduce -38.7% 0.49% −0.30
OXY Occidental Petroleum Corp. Sold out 0.00% −0.30
DASH DoorDash Inc. Class A Reduce -98.5% 0.00% −0.29
IWD iShares Russell 1000 Value E Sold out 0.00% −0.28
UPS United Parcel Service Class B Sold out 0.00% −0.27
SE Sea Ltd.-ADR Reduce -74.4% 0.16% −0.26
HLT Hilton Worldwide Holdings Inc. Reduce -76.9% 0.09% −0.26
BAX Baxter International Inc. Reduce -73.7% 0.07% −0.25
MMM 3M Co. Reduce -45.9% 0.34% −0.25
MSFT Microsoft Corp. Sold out 0.00% −0.24
GIS General Mills Inc. Reduce -82.3% 0.05% −0.24
WBA Walgreens Boots Alliance Inc. Reduce -35.7% 0.15% −0.24
PINS Pinterest Inc. Class A Sold out 0.00% −0.23
AZN Astrazeneca PLC-Spons ADR Sold out 0.00% −0.23

Portfolio Buys Q1 2024 → Q2 2024

NVDA Nvidia Corp. Add +370.8% 4.64% +3.98
C Citigroup Inc. New 2.47% +2.47
AVGO Broadcom Inc. Add +124.8% 3.07% +2.04
PDD PDD Holdings Inc. New 1.60% +1.60
AMZN Amazon.com Inc. New 1.17% +1.17
SMCI Super Micro Computer Inc. New 1.12% +1.12
QCOM Qualcomm Inc. New 1.11% +1.11
GLD SPDR Gold Shares New 1.05% +1.05
INTC Intel Corp. Add +105.5% 2.79% +1.03
EWZ iShares MSCI Brazil ETF Add +590.0% 0.95% +0.80
ARM Arm Holdings PLC-ADR New 0.76% +0.76
COIN Coinbase Global Inc. Class A New 0.70% +0.70
JNJ Johnson & Johnson New 0.65% +0.65
B Barrick Gold Corp. Add +57.1% 1.41% +0.60
CELH Celsius Holdings Inc. New 0.56% +0.56
SNOW Snowflake Inc. Add +128.8% 1.05% +0.55
TGT Target Corp. Add +1965.8% 0.56% +0.53
BABA Alibaba Group Holding-SP ADR Add +26.8% 1.85% +0.52
ASML ASML Holding NV-NY Reg SHS Add +204.3% 0.70% +0.50
MCD McDonald's Corp. Add +2221.2% 0.51% +0.49
LULU Lululemon Athletica Inc. Add +369.4% 0.63% +0.47
HOOD Robinhood Markets Inc. Class A Add +62.1% 0.75% +0.38
PANW Palo Alto Networks Inc. Add +708.7% 0.41% +0.37
AFRM Affirm Holdings Inc. Add +494.9% 0.41% +0.33
PENN Penn Entertainment Inc. New 0.32% +0.32
LUV Southwest Airlines Co. Add +784.3% 0.35% +0.32
IP International Paper Co. Add +340.0% 0.38% +0.31
TWLO Twilio Inc. Class A Add +198.6% 0.44% +0.30
IREN Iren Ltd. Add +126.5% 0.37% +0.30
CVS CVS Health Corp. Add +125.6% 0.63% +0.29
FTNT Fortinet Inc. Add +114.3% 0.55% +0.29
ADI Analog Devices Inc. New 0.29% +0.29
STX Seagate Technology Holdings New 0.28% +0.28
AAL American Airlines Group Inc. New 0.27% +0.27
MBLY Mobileye Global Inc. Class A New 0.25% +0.25
GFI Gold Fields Ltd.-Spons ADR New 0.24% +0.24
DJT Trump Media & Technology Gro New 0.24% +0.24
CEG Constellation Energy New 0.24% +0.24
APD Air Products & Chemicals Inc. Add +339.5% 0.29% +0.23
NVDL Granitesh 2X LNG Nvda ETF Add +974.2% 0.24% +0.23
PSQ Proshares Short QQQ Add +1163.8% 0.24% +0.22
UNH Unitedhealth Group Inc. Add +28.0% 0.71% +0.22
HPE Hewlett Packard Enterprise Add +243.0% 0.28% +0.22
ROKU Roku Inc. Add +178.8% 0.33% +0.21
WYNN WYNN Resorts Ltd. Add +274.9% 0.28% +0.21
SWKS Skyworks Solutions Inc. New 0.20% +0.20
STZ Constellation Brands Inc. Class A New 0.20% +0.20
COP Conocophillips New 0.19% +0.19
FCX Freeport-McMoran Inc. Add +38.8% 0.51% +0.19
DOW Dow Inc. New 0.18% +0.18

Options Activity Q1 2024 → Q2 2024

STATE STR SPDR S&P 500 ETF T put Reduce -10.9% 52,594,500 $28.5B
STATE STR SPDR S&P 500 ETF T call Reduce -2.1% 19,401,400 $10.4B
INVESCO QQQ TR put Add +6.4% 18,739,700 $9.0B
NVIDIA CORPORATION call Add +580.7% 51,092,500 $6.3B
ISHARES TR put Add +3.7% 37,203,300 $5.6B
NVIDIA CORPORATION put Add +566.6% 43,206,800 $5.3B
INVESCO QQQ TR call Add +2.7% 9,813,900 $4.7B
ISHARES TR call Reduce -6.4% 30,937,600 $4.0B
TESLA INC put Reduce -0.9% 18,931,500 $3.7B
APPLE INC call Add +0.2% 16,254,400 $3.4B
TESLA INC call Reduce -17.6% 11,188,500 $2.2B
APPLE INC put Add +10.4% 9,195,900 $1.9B
META PLATFORMS INC call Reduce -20.0% 2,885,400 $1.5B
SELECT SECTOR SPDR TR put Reduce -12.9% 18,981,700 $1.3B
AMAZON COM INC call Reduce -22.1% 6,637,000 $1.3B
MICROSOFT CORP call Reduce -9.1% 2,833,900 $1.3B
SPDR GOLD TR call Add +2.0% 5,688,000 $1.2B
MICROSOFT CORP put Reduce -10.3% 2,727,600 $1.2B
AMAZON COM INC put Add +17.4% 6,065,900 $1.2B
ALPHABET INC call Reduce -26.4% 6,571,000 $1.2B
SELECT SECTOR SPDR TR call Reduce -0.1% 14,220,200 $999.8M
META PLATFORMS INC put Reduce -28.7% 2,049,800 $966.6M
SPDR GOLD TR put Add +1.7% 4,435,000 $953.6M
ALPHABET INC put Reduce -28.2% 4,974,300 $900.1M
BROADCOM INC call Reduce -9.4% 538,500 $864.6M
BROADCOM INC put Reduce -2.1% 454,400 $729.6M
STRATEGY INC put Add +59.7% 512,800 $706.4M
ALIBABA GROUP HLDG LTD call Add +5.8% 9,493,100 $683.5M
ADVANCED MICRO DEVICES INC put Reduce -6.4% 4,170,000 $676.4M
VANECK ETF TRUST call Reduce -11.5% 8,119,100 $607.8M
ADVANCED MICRO DEVICES INC call Add +8.2% 4,230,500 $592.6M
VANECK ETF TRUST put Add +3.0% 5,353,700 $582.7M
SPDR SERIES TRUST put Reduce -33.5% 7,666,900 $483.1M
STRATEGY INC call Reduce -22.0% 331,600 $456.8M
NETFLIX INC. put Reduce -33.2% 656,300 $442.9M
TAIWAN SEMICONDUCTOR MANUFAC put Reduce -7.8% 2,548,200 $442.9M
COSTCO WHOLESALE CORPORATION put Reduce -25.4% 553,800 $432.7M
BOOKING HOLDINGS INC put Reduce -53.4% 107,800 $427.0M
MICRON TECHNOLOGY INC call Reduce -25.9% 3,100,400 $407.8M
STATE STR SPDR DOW JONES IND put Add +4.8% 1,003,400 $392.5M
TAIWAN SEMICONDUCTOR MANUFAC call Reduce -46.8% 2,170,800 $377.3M
ELI LILLY & CO put Reduce -3.2% 411,300 $372.4M
ISHARES SILVER TR call Add +92.1% 13,989,000 $371.7M
SUPER MICRO COMPUTER INC put Reduce -34.7% 438,200 $359.0M
STATE STR SPDR DOW JONES IND call Add +36.5% 873,800 $341.8M
CITIGROUP INC call Reduce -1.3% 5,303,400 $336.6M
JPMORGAN CHASE & CO call Reduce -11.5% 1,659,300 $335.6M
BOEING CO call Reduce -17.7% 1,783,600 $324.6M
COSTCO WHOLESALE CORPORATION call Reduce -39.2% 377,800 $321.1M
DISNEY WALT CO call Add +9.9% 3,117,500 $309.5M

Showing the first 50 of 7,098.

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