GSA CAPITAL PARTNERS LLP

Position in FORM — Formfactor Inc

CIK 1362033 LONDON, X0

Position in FORM

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$1,357,181

+$1,027,945 QoQ

Shares Held

13,993

+54.8% QoQ

Ownership

0.018%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Mar 31, 2026

GSA CAPITAL PARTNERS LLP holds $15,028,112 across 18 Semiconductor Equipment & Materials names. FORM ranks #3 (9.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMKR	Amkor Technology, Inc.	30,804	$1,387,104
2	AXTI	Axt Inc	24,123	$1,374,528
3	FORM	Formfactor Inc This page	13,993	$1,357,181
4	UCTT	Ultra Clean Holdings, Inc.	20,923	$1,300,992
5	PLAB	Photronics Inc	29,659	$1,198,520
6	AMAT	Applied Materials Inc /De	3,084	$1,054,080
7	ACMR	ACM Research, Inc.	26,759	$1,052,966
8	AMBA	Ambarella Inc	20,069	$1,033,152

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.