GROUP ONE TRADING LLC

Position in TTMI — Ttm Technologies Inc

CIK 932540 CHICAGO, IL

Position in TTMI

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$1,682,443

-$673,769 QoQ

Shares Held

17,270

-49.4% QoQ

Ownership

0.017%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

14 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Technology · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $24,957,871 across 16 Electronic Components names. TTMI ranks #4 (6.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GLW	Corning Inc /Ny	69,419	$9,438,901
2	CLS	Celestica Inc	31,337	$8,827,006
3	OUST	Ouster, Inc.	131,922	$2,423,407
4	TTMI	Ttm Technologies Inc This page	17,270	$1,682,443
5	LPTH	Lightpath Technologies Inc	128,623	$1,290,088
6	VICR	Vicor Corp	3,022	$486,542
7	ALNT	Allient Inc	3,938	$232,696
8	KOPN	Kopin Corp	99,776	$224,496

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,682,443	17,270	-49.4%	Shares	Sole	2026-05-13
2025-12-31	$2,356,212	34,148	+33.9%	Shares	Sole	2026-02-12
2025-09-30	$1,468,569	25,496	+3460.9%	Shares	Sole	2025-11-12
2025-06-30	$29,227	716	-86.2%	Shares	Sole	2025-08-14
2025-03-31	$106,364	5,186	-35.9%	Shares	Sole	2025-05-14
2024-12-31	$200,252	8,091	+18716.3%	Shares	Sole	2025-05-14
2024-03-31	$672	43	-90.3%	Shares	Sole	2024-05-10
2023-12-31	$7,003	443	+29.2%	Shares	Sole	2024-02-14
2023-09-30	$4,417	343	0.0%	Shares	Sole	2023-11-09
2023-06-30	$4,767	343	0.0%	Shares	Sole	2023-08-09
2023-03-31	$4,627	343	-13.2%	Shares	Sole	2023-05-12
2022-12-31	$5,956	395	-69.6%	Shares	Sole	2023-02-09
2021-09-30	$16,341	1,300	0.0%	Shares	Sole	2021-11-12
2021-06-30	$18,590	1,300	—	Shares	Sole	2021-08-10
No filing history on record for this holder in this stock.