$FORM

$101.11 +$2.60 (2.64%) Close

$FORM Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 78.1M shares outstanding

Who owns FORM?

By type of holder

Institutions 91.6% Insiders 0.9% Everyone else 7.6%

Concentration Top 10 holders own 44.2%

BlackRock, Inc. 13.4% · Vanguard Portfolio Management LLC 6.7%

Institutional ownership

91.6%

-3.9 pts vs last qtr

Institutional holders

509

+112 vs last qtr

Net shares bought

−3.1M

by institutions in Q2 2026

New / sold out

160 / 48

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +1.0M
GF Fund Management Co. LTD. +764.0K

Biggest sellers in Q2 2026

BlackRock, Inc. −1.8M
Earnest Partners LLC −1.1M

Who is planning to sell?

Notices of proposed sale, last 12 months

$25.8M

36 notices from 13 people

Shares covered

271.6K

0.35% of the company

Arranged in advance

64%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Mike Slessor Officer 10b5-1 $16.2M
Sheri Lynn Rhodes Director $1.5M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+20.6%

+2.10% a year

Each share's claim on the business

−17.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$225M vs $271M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years68% 3–5 years6% 1–3 years6% Under 1 year19%

Quarterly turnover

16.8%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting FORM on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	10.5M	13.42%	−1.8M (−14.4%)	≤2021	0.0%
Shares held by quarter Peak holding12.2M (Q1'26) Change over 8 quarters−1.4M Share of the company13.420% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	5.2M	6.71%	−637.8K (−10.8%)	≤2021	0.0%
Shares held by quarter Peak holding5.9M (Q1'26) Change over 8 quarters+5.2M Share of the company6.710% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

10.5M

% of company

13.42%

Change vs last qtr

−1.8M (−14.4%)

Held since

≤2021

Vanguard Portfolio Management LLC

5.2M

% of company

6.71%

Change vs last qtr

−637.8K (−10.8%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding FormFactor Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting FORM on Form N-PORT; together they hold 50.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$751M	4.7M	6.01%	0.67%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$396M	2.5M	3.17%	0.02%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$751M

% of company

6.01%

% of the fund

0.67%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$396M

% of company

3.17%

% of the fund

0.02%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding FormFactor Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
SM Slessor Mike Insider	455.6K	0.58%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.580% Slessor Mike's insider activity →
SD St Dennis Thomas Insider	74.3K	0.10%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.100% St Dennis Thomas's insider activity →

Slessor Mike

Insider

455.6K

% of company

0.58%

Change vs last qtr

—

Held since

—

St Dennis Thomas

Insider

74.3K

% of company

0.10%

Change vs last qtr

—

Held since

—

8 more holders behind a free account

See every insider and 5%+ holder of FormFactor Inc.

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