Formfactor FORM Institutional Ownership

NASDAQ FORM

$114.16 -1.55 (-1.34%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

387 Institutions

Increased 237 61.2%

Unchanged 36 9.3%

Reduced 114 29.5%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

96.11%

▼-3.10 pp QoQ

Shares Held by Institutions

74.80Mn

of 77.83Mn outstanding

▲+16.17% QoQ

Shares Outstanding

77.83Mn

3.02Mn held outside 13F filers

Institutional Investors

387

filed 13F for Mar 2026

▲+64 vs prior quarter

Net Shares Added (QoQ)

+10.41Mn

accumulated since last quarter

Value of Holdings

$9.30Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

Formfactor Inc (NASDAQ:FORM) has 387 institutional investors with active 13F positions as of March 2026.

They owned 96.1% of outstanding stock in March 2026, down from 99.2% the prior quarter.
Their total shares held in FORM increased 16.17% from the prior quarter, while the number of investors in Formfactor increased 38.21% year over year.
During the quarter, 237 of these 387 funds increased positions in FORM, 114 reduced exposure, and 36 held steady.
In total, institutional investors held 74.8Mn shares in Formfactor as of March 2026, up by 10.41Mn shares quarter on quarter, and down 6.17Mn shares year over year.
As of March 31, 2026, the biggest holder of Formfactor is BlackRock, Inc. at 12.25Mn shares, representing 15.74% of shares outstanding.
Top purchasers of FORM stock for the quarter ending March 2026 included VANGUARD PORTFOLIO MANAGEMENT LLC (5.88Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.47Mn), Polar Capital Holdings Plc (2.29Mn), Invesco Ltd. (905.44K), PRICE T ROWE ASSOCIATES INC /MD/ (840.63K).
The largest sellers of Formfactor for the quarter ending March 2026 were FULLER & THALER ASSET MANAGEMENT, INC. (1.03Mn), Channing Capital Management, LLC (993.15K), REINHART PARTNERS, LLC. (992.65K), Morgan Stanley (962.64K), EARNEST PARTNERS LLC (899.83K).
According to Business Quant data, leading holders of FORM for March 2026 are BlackRock, Inc. (12.25Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (5.88Mn), EARNEST PARTNERS LLC (4.88Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.47Mn), State Street Corp (2.93Mn), Bank Of America Corp /De/ (2.48Mn), Polar Capital Holdings Plc (2.29Mn), ALLIANCEBERNSTEIN L.P. (2.23Mn), GEODE CAPITAL MANAGEMENT, LLC (2.19Mn), PRIMECAP MANAGEMENT CO/CA/ (1.79Mn).

Form 13F Holdings

387 Institutional Holders

Report period 31 Mar, 2026

Total shares held 74.80Mn

Of outstanding 96.11%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	12,247,574	15.74%	▲677,935	+5.86%	$1.19Bn
2	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	5,880,008	7.56%	▲5,880,008	0.00%	$570.30Mn
3	EARNEST PARTNERS LLC	0001102578	4,875,165	6.26%	▼899,827	-15.58%	$472.84Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	3,472,491	4.46%	▲3,472,491	0.00%	$336.80Mn
5	State Street Corp	0000093751	2,928,139	3.76%	▲58,595	+2.04%	$284.00Mn
6	Bank Of America Corp /De/	0000070858	2,481,059	3.19%	▼35,331	-1.40%	$240.64Mn
7	Polar Capital Holdings Plc	0001837309	2,292,313	2.95%	▲2,292,313	0.00%	$222.33Mn
8	ALLIANCEBERNSTEIN L.P.	0001109448	2,231,533	2.87%	▲816,845	+57.74%	$124.47Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,187,865	2.81%	▲302,018	+16.01%	$212.23Mn
10	PRIMECAP MANAGEMENT CO/CA/	0000763212	1,788,644	2.30%	▼292,602	-14.06%	$173.48Mn
11	Sei Investments Co	0000350894	1,682,322	2.16%	▼2,750	-0.16%	$163.17Mn
12	DIMENSIONAL FUND ADVISORS LP	0000354204	1,412,119	1.81%	▼310,140	-18.01%	$136.94Mn
13	Ameriprise Financial Inc	0000820027	1,404,359	1.80%	▲88,309	+6.71%	$136.21Mn
14	Morgan Stanley	0000895421	1,308,918	1.68%	▼962,644	-42.38%	$126.95Mn
15	Invesco Ltd.	0000914208	1,238,363	1.59%	▲905,436	+271.96%	$120.11Mn
16	REINHART PARTNERS, LLC.	0001080298	1,159,698	1.49%	▼992,650	-46.12%	$112.48Mn
17	FULLER & THALER ASSET MANAGEMENT, INC.	0001082327	1,137,356	1.46%	▼1,031,700	-47.56%	$110.31Mn
18	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	947,544	1.22%	▼4,184	-0.44%	$91.90Mn
19	JANE STREET GROUP, LLC	0001595888	925,617	1.19%	▲807,083	+680.89%	$89.78Mn
20	Goldman Sachs Group Inc	0000886982	873,521	1.12%	▼895,933	-50.63%	$84.72Mn

Showing 1 to 20 of 387 holders