STATE OF WISCONSIN INVESTMENT BOARD

Position in FORM — Formfactor Inc

CIK 854157 MADISON, WI

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Position in FORM

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$5,320,968

+$1,227,553 QoQ

Shares Held

54,861

-25.2% QoQ

Ownership

0.070%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

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

Common Shares in FORM Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $403,382,729 across 21 Semiconductor Equipment & Materials names. FORM ranks #8 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LRCX	Lam Research Corp	714,596	$152,680,581
2	AMAT	Applied Materials Inc /De	430,459	$147,126,581
3	TER	Teradyne, Inc	102,490	$30,384,185
4	ONTO	Onto Innovation Inc.	63,331	$12,987,288
5	Q	Qnity Electronics, Inc.	112,179	$12,943,213
6	KLAC	Kla Corp	76,198	$11,219,469
7	ENTG	Entegris Inc	79,043	$9,267,001
8	FORM	Formfactor Inc This page	54,861	$5,320,968

All Filings in FORM

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,320,968	54,861	-25.2%	Shares	Sole	2026-05-15
2025-12-31	$4,093,415	73,385	-11.6%	Shares	Sole	2026-02-17
2025-09-30	$3,023,442	83,016	-18.2%	Shares	Sole	2025-11-14
2025-06-30	$3,493,372	101,522	+17.1%	Shares	Sole	2025-08-14
2025-03-31	$2,452,941	86,707	+13.1%	Shares	Sole	2025-05-15
2024-12-31	$3,374,052	76,683	+0.1%	Shares	Sole	2025-02-14
2024-09-30	$3,522,404	76,574	0.0%	Shares	Sole	2024-11-14
2024-06-30	$4,635,024	76,574	-25.9%	Shares	Sole	2024-08-14
2024-03-31	$4,713,807	103,305	-17.0%	Shares	Sole	2024-05-14
2023-12-31	$5,191,935	124,477	+36.2%	Shares	Sole	2024-02-12
2023-09-30	$3,193,481	91,399	-24.2%	Shares	Sole	2023-11-14
2023-06-30	$4,123,646	120,504	-2.9%	Shares	Sole	2023-08-14
2023-03-31	$3,952,807	124,107	-18.5%	Shares	Sole	2023-05-15
2022-12-31	$3,383,761	152,216	-3.1%	Shares	Sole	2023-02-14
2022-09-30	$3,936,632	157,151	+5.4%	Shares	Sole	2022-11-14
2022-06-30	$5,773,790	149,078	+0.5%	Shares	Sole	2022-08-15
2022-03-31	$6,232,292	148,282	+11.1%	Shares	Sole	2022-05-13
2021-12-31	$6,102,797	133,482	-18.3%	Shares	Sole	2022-02-11
2021-09-30	$6,099,050	163,382	-8.0%	Shares	Sole	2021-11-12
2021-06-30	$6,478,285	177,682	0.0%	Shares	Sole	2021-08-12
2021-03-31	$8,015,235	177,682	-8.8%	Shares	Sole	2021-05-17
2020-12-31	$8,379,521	194,782	-23.3%	Shares	Sole	2021-02-03
2020-09-30	$6,334,264	254,082	+20.1%	Shares	Sole	2020-11-16
2020-06-30	$6,205,700	211,582	+1.1%	Shares	Sole	2020-08-12
2020-03-31	$4,206,484	209,382	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.