SIMPLEX TRADING, LLC

Position in OUST — Ouster, Inc.

CIK 1488542 CHICAGO, IL

Position in OUST

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

Position Value

$2,735,250

+$2,370,900 QoQ

Shares Held

43,750

+120.6% QoQ

Ownership

0.061%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#92

of 327 holders

Holding Since

Dec 2021

16 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $43,920,263 across 22 Electronic Components names. OUST ranks #4 (6.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GLW	Corning Inc /Ny	90,456	$23,105,176
2	SANM	Sanmina Corp	11,674	$2,954,455
3	BHE	Benchmark Electronics Inc	28,840	$2,845,642
4	OUST	Ouster, Inc. This page	43,750	$2,735,250
5	TTMI	Ttm Technologies Inc	12,748	$2,384,130
6	VICR	Vicor Corp	5,258	$1,996,883
7	MEI	Methode Electronics Inc	105,193	$1,995,511
8	ROG	Rogers Corp	7,416	$1,214,221

16 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,735,250	43,750	+120.6%	Shares	Sole	2026-08-12
2026-03-31	$364,350	19,834	+40.3%	Shares	Sole	2026-05-14
2025-12-31	$305,838	14,133	-82.4%	Shares	Sole	2026-02-11
2025-09-30	$2,176,172	80,450	+3888.6%	Shares	Sole	2025-11-12
2025-06-30	$48,912	2,017	-94.8%	Shares	Sole	2025-08-05
2025-03-31	$348,388	38,796	+98.0%	Shares	Sole	2025-05-12
2024-12-31	$239,450	19,595	-66.3%	Shares	Sole	2025-02-11
2024-09-30	$366,363	58,153	+86.7%	Shares	Sole	2024-11-08
2024-06-30	$306,253	31,155	+1107.6%	Shares	Sole	2024-07-25
2024-03-31	$20,485	2,580	-87.8%	Shares	Sole	2024-04-25
2023-12-31	$161,875	21,105	+42.0%	Shares	Sole	2024-02-02
2023-09-30	$74,924	14,866	+12.4%	Shares	Sole	2023-11-01
2023-03-31	$11,065	13,221	+713.1%	Shares	Sole	2023-04-27
2022-12-31	$1	1,626	-54.8%	Shares	Sole	2023-02-02
2022-09-30	$3,466	3,600	-87.8%	Shares	Sole	2022-11-04
2021-12-31	$153,842	29,585	—	Shares	Sole	2022-02-23
No filing history on record for this holder in this stock.