SIMPLEX TRADING, LLC

Position in STM — STMicroelectronics N.V.

CIK 1488542 CHICAGO, IL

Position in STM

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$2,144,849

+$1,748,250 QoQ

Shares Held

28,640

+149.5% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

#193

of 602 holders

Holding Since

Jun 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $567,512,441 across 43 Semiconductors names. STM ranks #12 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NVDA	Nvidia Corp	1,520,692	$304,275,262
2	TSM	Taiwan Semiconductor Manufacturing Co Ltd	147,407	$70,397,160
3	MU	Micron Technology Inc	52,682	$60,810,305
4	AVGO	Broadcom Inc.	84,040	$31,746,110
5	MRVL	Marvell Technology, Inc.	94,668	$28,200,650
6	AMD	Advanced Micro Devices Inc	36,092	$20,966,203
7	QCOM	Qualcomm Inc/De	93,992	$17,368,781
8	VSH	Vishay Intertechnology Inc	121,073	$6,511,305

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,144,849	28,640	+149.5%	Shares	Sole	2026-08-12
2026-03-31	$396,599	11,479	+154.2%	Shares	Sole	2026-05-14
2025-06-30	$137,331	4,516	-89.6%	Shares	Sole	2025-08-05
2025-03-31	$952,097	43,356	+2.2%	Shares	Sole	2025-05-12
2024-09-30	$1,261,592	42,435	+32.7%	Shares	Sole	2024-11-08
2024-06-30	$1,255,781	31,970	-57.2%	Shares	Sole	2024-07-25
2024-03-31	$3,226,871	74,627	+47.0%	Shares	Sole	2024-04-25
2023-09-30	$2,191,190	50,769	-42.8%	Shares	Sole	2023-11-01
2023-06-30	$4,435,262	88,723	-5.9%	Shares	Sole	2023-08-04
2023-03-31	$5,043,679	94,292	+75.5%	Shares	Sole	2023-04-27
2022-12-31	$1,910,749	53,718	+2170.4%	Shares	Sole	2023-02-02
2022-03-31	$102,258	2,366	-97.4%	Shares	Sole	2022-05-02
2020-12-31	$3,394,327	91,442	+1697.6%	Shares	Sole	2021-02-02
2020-06-30	$139,434	5,087	—	Shares	Sole	2020-07-13
No filing history on record for this holder in this stock.