GSA CAPITAL PARTNERS LLP

Position in FORM — Formfactor Inc

CIK 1362033 LONDON, X0

Position in FORM

as of Jun 30, 2026 · filed Aug 6, 2026 Compact

Position Value

$1,246,974

-$110,207 QoQ

Shares Held

7,797

-44.3% QoQ

Ownership

0.010%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

#234

of 509 holders

Holding Since

Mar 2020

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

GSA CAPITAL PARTNERS LLP holds $10,848,739 across 14 Semiconductor Equipment & Materials names. FORM ranks #1 (11.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FORM	Formfactor Inc This page	7,797	$1,246,974
2	IPGP	Ipg Photonics Corp	10,390	$1,218,954
3	AMBA	Ambarella Inc	13,211	$1,133,503
4	VECO	Veeco Instruments Inc	12,627	$957,126
5	AXTI	Axt Inc	12,953	$933,652
6	AEHR	Aehr Test Systems	9,639	$925,922
7	ASYS	Amtech Systems Inc	37,814	$872,747
8	AMKR	Amkor Technology, Inc.	7,742	$667,592

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,246,974	7,797	-44.3%	Shares	Sole	2026-08-06
2026-03-31	$1,357,181	13,993	+54.8%	Shares	Sole	2026-05-08
2025-09-30	$329,236	9,040	-75.9%	Shares	Sole	2025-11-07
2025-06-30	$1,292,095	37,550	-28.7%	Shares	Sole	2025-07-22
2024-09-30	$2,420,934	52,629	+1062.8%	Shares	Sole	2024-11-05
2024-06-30	$273,958	4,526	-79.9%	Shares	Sole	2024-08-15
2024-03-31	$1,029,869	22,570	+167.6%	Shares	Sole	2024-05-03
2022-09-30	$211,246	8,433	+2.1%	Shares	Sole	2022-11-14
2022-03-31	$347,209	8,261	+8.4%	Shares	Sole	2022-05-11
2021-12-31	$348,340	7,619	-39.2%	Shares	Sole	2022-02-14
2020-12-31	$538,825	12,525	-83.6%	Shares	Sole	2021-02-03
2020-09-30	$1,903,230	76,343	+253.8%	Shares	Sole	2020-11-06
2020-03-31	$433,542	21,580	—	Shares	Sole	2020-05-12
No filing history on record for this holder in this stock.