SIMPLEX TRADING, LLC

CHICAGO, IL · CIK 1488542 · 13F filing filed 2026-08-12

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

Legal entitySIMPLEX TRADING, LLC (US)

Others nearbyChicago, IL

$3.8bn reported value +18.7% vs Q1 2026

2,733positions

32.9%in top 10

1,043 new 869 added 817 reduced 923 sold out vs Q1 2026

Options: 3324 call positions ($77.8bn notional), 3097 put positions ($89.0bn notional) – listed below, not included above.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	NVIDIA CORPORATION COM NVDA	NVDA	1,520,692	$304.3m7.94%	7.94%	Added +11.5k	+11,539 0.8%
2	ISHARES TR RUSSELL 2000 ETF IWM	IWM	536,810	$161.3m4.21%	4.21%	Added +520.6k	+520,581 3207.7%
3	ISHARES TR 20 YR TR BD ETF TLT	TLT	1,860,997	$160.8m4.19%	4.19%	Added +1.3m	+1,252,985 206.1%
4	ALPHABET INC CAP STK CL A GOOGL	GOOGL	368,241	$131.6m3.43%	3.43%	Added +71.9k	+71,926 24.3%
5	ISHARES TR ISHARES SEMICDTR SOXX	SOXX	161,532	$103.5m2.70%	2.70%	Added +45.3k	+45,259 38.9%
6	AMAZON COM INC COM AMZN	AMZN	405,198	$96.6m2.52%	2.52%	Reduced -359.7k	-359,686 -47.0%
7	ORACLE CORP COM ORCL	ORCL	567,292	$83.1m2.17%	2.17%	Added +52.6k	+52,634 10.2%
8	APPLE INC COM AAPL	AAPL	259,549	$75.1m1.96%	1.96%	Added +219.8k	+219,765 552.4%
9	MICROSOFT CORP COM MSFT	MSFT	197,528	$73.7m1.92%	1.92%	Added +60.8k	+60,799 44.5%
10	TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS TSM	TSM	147,407	$70.4m1.84%	1.84%	Reduced -204.4k	-204,398 -58.1%
11	TESLA INC COM TSLA	TSLA	150,665	$63.4m1.65%	1.65%	Added +130.5k	+130,488 646.7%
12	MICRON TECHNOLOGY INC COM MU	MU	52,682	$60.8m1.59%	1.59%	New
13	UNITED STS OIL FD LP UNITS USO	USO	490,737	$52.2m1.36%	1.36%	Added +160.9k	+160,949 48.8%
14	ALPHABET INC CAP STK CL C GOOG	GOOG	147,687	$52.2m1.36%	1.36%	Added +2.3k	+2,294 1.6%
15	ROUNDHILL ETF TRUST MEMORY ETF DRAM	DRAM	625,556	$46.2m1.20%	1.20%	New
16	SPDR S&P 500 ETF TR TR UNIT SPY	SPY	53,496	$39.9m1.04%	1.04%	Reduced -149.3k	-149,310 -73.6%
17	FREEPORT-MCMORAN INC CL B FCX	FCX	626,805	$39.4m1.03%	1.03%	Added +382.1k	+382,051 156.1%
18	KLA CORP COM NEW KLAC	KLAC	123,044	$37.1m0.97%	0.97%	Added +118.5k	+118,454 2580.7%
19	DIREXION SHS ETF TR DLY SCOND 3XBU SOXL	SOXL	138,147	$36.8m0.96%	0.96%	New
20	META PLATFORMS INC CL A META	META	60,293	$34.0m0.89%	0.89%	Reduced -169.6k	-169,560 -73.8%
21	ASML HOLDING N V N Y REGISTRY SHS ASML	ASML	16,406	$32.6m0.85%	0.85%	Reduced -335	-335 -2.0%
22	BROADCOM INC COM AVGO	AVGO	84,040	$31.7m0.83%	0.83%	Added +40.8k	+40,796 94.3%
23	SERVICENOW INC COM NOW	NOW	291,808	$29.0m0.76%	0.76%	Added +195.2k	+195,170 202.0%
24	MARVELL TECHNOLOGY INC COM MRVL	MRVL	94,668	$28.2m0.74%	0.74%	Added +55.0k	+54,978 138.5%
25	SPDR GOLD TR GOLD SHS GLD	GLD	76,477	$28.2m0.73%	0.73%	Reduced -154.1k	-154,135 -66.8%
26	UNITEDHEALTH GROUP INC COM UNH	UNH	65,879	$27.4m0.71%	0.71%	Reduced -221.7k	-221,701 -77.1%
27	GE VERNOVA INC COM GEV	GEV	20,352	$23.9m0.62%	0.62%	Added +3.5k	+3,451 20.4%
28	PALANTIR TECHNOLOGIES INC CL A PLTR	PLTR	201,696	$23.5m0.61%	0.61%	Reduced -29.6k	-29,596 -12.8%
29	APPLIED MATLS INC COM AMAT	AMAT	32,303	$23.4m0.61%	0.61%	Added +20.5k	+20,546 174.8%
30	CORNING INC COM GLW	GLW	90,456	$23.1m0.60%	0.60%	Added +43.1k	+43,053 90.8%
31	SOFI TECHNOLOGIES INC COM SOFI	SOFI	1,181,860	$21.2m0.55%	0.55%	Added +213.5k	+213,452 22.0%
32	ADVANCED MICRO DEVICES INC COM AMD	AMD	36,092	$21.0m0.55%	0.55%	Reduced -224.5k	-224,530 -86.2%
33	COINBASE GLOBAL INC COM CL A COIN	COIN	129,499	$18.9m0.49%	0.49%	New
34	QUALCOMM INC COM QCOM	QCOM	93,992	$17.4m0.45%	0.45%	New
35	INTERNATIONAL BUSINESS MACHS COM IBM	IBM	57,427	$16.1m0.42%	0.42%	New
36	PFIZER INC COM PFE	PFE	640,977	$15.4m0.40%	0.40%	Reduced -625.7k	-625,708 -49.4%
37	CHARTER COMMUNICATIONS INC N CL A CHTR	CHTR	104,727	$14.9m0.39%	0.39%	Added +42.2k	+42,162 67.4%
38	NOKIA CORP SPONSORED ADR NOK	NOK	1,081,936	$14.4m0.37%	0.37%	New
39	GE AEROSPACE COM NEW GE	GE	37,191	$13.9m0.36%	0.36%	New
40	NIKE INC CL B NKE	NKE	333,475	$13.7m0.36%	0.36%	Reduced -64.7k	-64,699 -16.2%
41	DIREXION SHS ETF TR DAILY 20+ YEAR T TMF	TMF	369,781	$13.1m0.34%	0.34%	Added +196.8k	+196,769 113.7%
42	HUT 8 CORP COM HUT	HUT	109,022	$12.6m0.33%	0.33%	New
43	GLOBAL X FDS GLOBAL X URANIUM URA	URA	287,766	$12.6m0.33%	0.33%	Reduced -182.3k	-182,338 -38.8%
44	LOWES COS INC COM LOW	LOW	56,496	$12.5m0.32%	0.32%	Added +53.5k	+53,509 1791.4%
45	BOOKING HOLDINGS INC COM BKNG	BKNG	67,550	$12.0m0.31%	0.31%	Reduced -15.9k	-15,950 -19.1%
46	LUMENTUM HLDGS INC COM LITE	LITE	12,958	$11.1m0.29%	0.29%	Reduced -39.8k	-39,849 -75.5%
47	T-MOBILE US INC COM TMUS	TMUS	64,753	$10.9m0.28%	0.28%	New
48	MODERNA INC COM MRNA	MRNA	154,558	$10.8m0.28%	0.28%	Reduced -65.0k	-65,015 -29.6%
49	SELECT SECTOR SPDR TR SBI INT-UTILS XLU	XLU	233,426	$10.6m0.28%	0.28%	New
50	COHERENT CORP COM COHR	COHR	26,782	$10.6m0.28%	0.28%	Added +16.3k	+16,338 156.4%
51	COSTCO WHSL CORP NEW COM COST	COST	11,161	$10.4m0.27%	0.27%	New
52	SPDR SER TR S&P REGL BKG KRE	KRE	139,288	$10.4m0.27%	0.27%	New
53	SANDISK CORP COM SNDK	SNDK	4,518	$10.3m0.27%	0.27%	Added +3.0k	+2,960 190.0%
54	VANECK ETF TRUST GOLD MINERS ETF GDX	GDX	133,483	$10.1m0.26%	0.26%	Added +111.9k	+111,892 518.2%
55	TAKE-TWO INTERACTIVE SOFTWAR COM TTWO	TTWO	40,136	$10.0m0.26%	0.26%	New
56	ALTRIA GROUP INC COM MO	MO	135,419	$9.7m0.25%	0.25%	Added +94.8k	+94,751 233.0%
57	AST SPACEMOBILE INC COM CL A ASTS	ASTS	108,871	$9.7m0.25%	0.25%	Added +52.6k	+52,615 93.5%
58	DOW INC COM DOW	DOW	343,384	$9.4m0.25%	0.25%	Reduced -115.9k	-115,873 -25.2%
59	OSCAR HEALTH INC CL A OSCR	OSCR	325,509	$9.3m0.24%	0.24%	Reduced -239.7k	-239,737 -42.4%
60	INVESCO QQQ TR UNIT SER 1 QQQ	QQQ	12,600	$9.3m0.24%	0.24%	Reduced -3.7k	-3,696 -22.7%
61	THE CIGNA GROUP COM CI	CI	33,324	$9.2m0.24%	0.24%	Reduced -64.9k	-64,879 -66.1%
62	COMCAST CORP NEW CL A CMCSA	CMCSA	370,028	$9.1m0.24%	0.24%	Added +251.6k	+251,640 212.6%
63	FORTINET INC COM FTNT	FTNT	59,034	$9.1m0.24%	0.24%	Added +20.7k	+20,705 54.0%
64	VISTRA CORP COM VST	VST	56,502	$9.0m0.23%	0.23%	Added +43.0k	+43,047 319.9%
65	SPDR DOW JONES INDL AVERAGE UT SER 1 DIA	DIA	16,391	$8.6m0.22%	0.22%	New
66	ABBOTT LABS COM ABT	ABT	91,699	$8.3m0.22%	0.22%	New
67	KEEL INFRASTRUCTURE CORP COM SHS KEEL	KEEL	1,366,617	$7.8m0.20%	0.20%	New
68	AKAMAI TECHNOLOGIES INC COM AKAM	AKAM	65,275	$7.7m0.20%	0.20%	Added +46.9k	+46,872 254.7%
69	WESTERN DIGITAL CORP COM WDC	WDC	11,430	$7.3m0.19%	0.19%	Added +5.6k	+5,645 97.6%
70	EOS ENERGY ENTERPRISES INC COM CL A EOSE	EOSE	1,240,664	$7.3m0.19%	0.19%	Added +256.3k	+256,335 26.0%
71	BAIDU INC SPON ADR REP A BIDU	BIDU	63,798	$7.3m0.19%	0.19%	New
72	ISHARES BITCOIN TRUST ETF SHS BEN INT IBIT	IBIT	203,178	$6.8m0.18%	0.18%	Added +10.2k	+10,152 5.3%
73	DIREXION SHARES ETF TRUST DAILY MSCI SOUTH KORU	KORU	8,585	$6.7m0.17%	0.17%	Added +5.4k	+5,355 165.8%
74	FIRST SOLAR INC COM FSLR	FSLR	27,934	$6.6m0.17%	0.17%	New
75	VISHAY INTERTECHNOLOGY INC COM VSH	VSH	121,073	$6.5m0.17%	0.17%	Added +120.2k	+120,186 13549.7%
76	ROBINHOOD MKTS INC COM CL A HOOD	HOOD	64,451	$6.5m0.17%	0.17%	New
77	FIDELITY WISE ORIGIN BITCOIN SHS FBTC	FBTC	123,438	$6.3m0.16%	0.16%	Added +52.7k	+52,749 74.6%
78	ZOETIS INC CL A ZTS	ZTS	87,334	$6.3m0.16%	0.16%	Added +12.6k	+12,637 16.9%
79	OKTA INC CL A OKTA	OKTA	45,957	$6.3m0.16%	0.16%	Reduced -30.9k	-30,869 -40.2%
80	SELECT SECTOR SPDR TR TECHNOLOGY XLK	XLK	32,789	$6.2m0.16%	0.16%	Added +3.1k	+3,094 10.4%
81	BARRICK MNG CORP COM SHS B	B	167,449	$6.2m0.16%	0.16%	Reduced -130.5k	-130,467 -43.8%
82	SELECT SECTOR SPDR TR SBI CONS DISCR XLY	XLY	52,381	$6.1m0.16%	0.16%	Added +1.2k	+1,155 2.2%
83	DUOLINGO INC CL A COM DUOL	DUOL	53,120	$6.1m0.16%	0.16%	Added +21.9k	+21,920 70.3%
84	CLOUDFLARE INC CL A COM NET	NET	24,408	$6.0m0.16%	0.16%	New
85	UNITED AIRLS HLDGS INC COM UAL	UAL	43,847	$6.0m0.16%	0.16%	New
86	PAYPAL HLDGS INC COM PYPL	PYPL	136,916	$5.9m0.15%	0.15%	Added +124.4k	+124,428 996.4%
87	TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS SPONSORED ADS		174,409	$5.9m0.15%	0.15%	Added +163.1k	+163,094 1441.4%
88	AMPLIFY ETF TR AMPLIFY JUNIOR S SILJ	SILJ	226,049	$5.9m0.15%	0.15%	Added +69.8k	+69,762 44.6%
89	AIRBNB INC COM CL A ABNB	ABNB	40,829	$5.8m0.15%	0.15%	New
90	AMERICAN TOWER CORP NEW COM AMT	AMT	35,639	$5.8m0.15%	0.15%	Added +12.1k	+12,131 51.6%
91	BRISTOL-MYERS SQUIBB CO COM BMY	BMY	100,185	$5.8m0.15%	0.15%	New
92	APPLIED DIGITAL CORP COM NEW APLD	APLD	151,952	$5.7m0.15%	0.15%	Added +83.2k	+83,217 121.1%
93	CARDINAL HEALTH INC COM CAH	CAH	23,835	$5.7m0.15%	0.15%	Reduced -1.9k	-1,872 -7.3%
94	TEMA ETF TRUST SPACE INNOV ETF NASA	NASA	185,610	$5.6m0.15%	0.15%	New
95	ACM RESH INC COM CL A ACMR	ACMR	44,316	$5.6m0.15%	0.15%	Added +19.9k	+19,852 81.2%
96	MERCADOLIBRE INC COM MELI	MELI	3,247	$5.5m0.14%	0.14%	Added +750	+750 30.0%
97	NEBIUS GROUP N.V. SHS CLASS A NBIS	NBIS	19,803	$5.5m0.14%	0.14%	Added +17.3k	+17,266 680.6%
98	DOORDASH INC CL A DASH	DASH	29,297	$5.4m0.14%	0.14%	New
99	OKLO INC COM CL A OKLO	OKLO	103,032	$5.4m0.14%	0.14%	New
100	PEPSICO INC COM PEP	PEP	39,506	$5.3m0.14%	0.14%	Reduced -82.1k	-82,051 -67.5%

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
VANECK ETF TRUST SMH	SMH	93,701	$35.9m93.7k shares
INTEL CORP INTC	INTC	757,722	$33.4m757.7k shares
SCHLUMBERGER LTD SLB	SLB	547,131	$28.1m547.1k shares
ISHARES TR LQD	LQD	208,171	$22.7m208.2k shares
SELECT SECTOR SPDR TR XLB	XLB	369,219	$18.4m369.2k shares
NETFLIX INC NFLX	NFLX	184,871	$17.8m184.9k shares
SELECT SECTOR SPDR TR XLF	XLF	355,726	$17.6m355.7k shares
NOVO-NORDISK A S NVO	NVO	392,803	$14.4m392.8k shares
UNION PAC CORP UNP	UNP	54,003	$13.1m54.0k shares
MORGAN STANLEY MS	MS	73,071	$12.0m73.1k shares
ALIBABA GROUP HLDG LTD BABA	BABA	66,720	$8.4m66.7k shares
IREN LIMITED IREN	IREN	207,840	$7.1m207.8k shares
DELTA AIR LINES INC DEL DAL	DAL	98,263	$6.5m98.3k shares
ISHARES ETHEREUM TR ETHA	ETHA	392,685	$6.2m392.7k shares
MICROSTRATEGY INC MSTR	MSTR	45,923	$5.7m45.9k shares
ISHARES TR FXI	FXI	159,011	$5.7m159.0k shares
ISHARES TR IEF	IEF	50,658	$4.8m50.7k shares
LULULEMON ATHLETICA INC LULU	LULU	31,540	$4.8m31.5k shares
PRIMO BRANDS CORPORATION PRMB	PRMB	246,087	$4.6m246.1k shares
UNITED PARCEL SERVICE INC UPS	UPS	43,120	$4.2m43.1k shares
FIRST HORIZON CORPORATION FHN	FHN	185,831	$4.2m185.8k shares
ISHARES TR ITB	ITB	43,132	$3.9m43.1k shares
RTX CORPORATION RTX	RTX	17,827	$3.4m17.8k shares
LAM RESEARCH CORP LRCX	LRCX	16,078	$3.4m16.1k shares
COREWEAVE INC CRWV	CRWV	43,901	$3.4m43.9k shares

Options (notional value)

Underlying	Ticker	Type	Shares controlled	Notional	Change
SPDR S&P 500 ETF TR SPY · Put	SPY	Put	33,407,300	$24.9bn33.4m shares	Reduced
SPDR S&P 500 ETF TR SPY · Call	SPY	Call	22,725,000	$17.0bn22.7m shares	Added
INVESCO QQQ TR QQQ · Put	QQQ	Put	13,765,500	$10.1bn13.8m shares	Added
INVESCO QQQ TR QQQ · Call	QQQ	Call	10,904,800	$8.0bn10.9m shares	Added
ISHARES TR Put		Put	39,367,200	$7.8bn39.4m shares	Added
MICRON TECHNOLOGY INC MU · Put	MU	Put	3,140,900	$3.6bn3.1m shares	Added
NVIDIA CORPORATION NVDA · Call	NVDA	Call	17,519,600	$3.5bn17.5m shares	Reduced
ISHARES TR IJH · Call	IJH	Call	26,912,500	$3.3bn26.9m shares	Reduced
NVIDIA CORPORATION NVDA · Put	NVDA	Put	16,385,300	$3.3bn16.4m shares	Reduced
TESLA INC TSLA · Call	TSLA	Call	7,001,500	$2.9bn7.0m shares	Reduced
TESLA INC TSLA · Put	TSLA	Put	5,799,800	$2.4bn5.8m shares	Reduced
ALPHABET INC GOOGL · Call	GOOGL	Call	6,656,100	$2.4bn6.7m shares	Reduced
APPLE INC AAPL · Call	AAPL	Call	8,168,800	$2.4bn8.2m shares	Reduced
MICRON TECHNOLOGY INC MU · Call	MU	Call	1,906,800	$2.2bn1.9m shares	Reduced
META PLATFORMS INC META · Call	META	Call	3,620,200	$2.0bn3.6m shares	Reduced
SANDISK CORP SNDK · Put	SNDK	Put	864,500	$2.0bn864.5k shares	Added
ADVANCED MICRO DEVICES INC AMD · Put	AMD	Put	3,374,900	$2.0bn3.4m shares	Reduced
ALPHABET INC Put		Put	5,428,100	$1.9bn5.4m shares	Added
MICROSOFT CORP MSFT · Call	MSFT	Call	4,655,800	$1.7bn4.7m shares	Added
APPLE INC AAPL · Put	AAPL	Put	5,954,700	$1.7bn6.0m shares	Reduced
ADVANCED MICRO DEVICES INC AMD · Call	AMD	Call	2,951,000	$1.7bn3.0m shares	Added
VANECK ETF TRUST Put		Put	3,966,700	$1.6bn4.0m shares	Added
SPDR GOLD TR GLD · Call	GLD	Call	3,937,600	$1.5bn3.9m shares	Reduced
AMAZON COM INC AMZN · Call	AMZN	Call	5,219,400	$1.2bn5.2m shares	Reduced
META PLATFORMS INC META · Put	META	Put	2,084,500	$1.2bn2.1m shares	Reduced