Mustard Seed Investor logo: a sprouting mustard seedMustard Seed Investor
← All stocks
FORMInformation TechnologyCommon Stock

Formfactor Inc

Held by 14 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 346375108 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

Download report
In plain English: 14 of the investors we track own this stock. In the latest quarter, 10 of them bought more of it and 4 sold some or all of theirs (3 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
14
+2 vs last quarter (like-for-like)
Total value held
$721.50M
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.1%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$341.29M
+157.7% vs last quarter
Net shares bought
+1.3M
Est. net flow +$200.85M
Quarter activity
10 bought · 4 sold
3 new · 1 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns FORM?

🔒 The 'who added and who trimmed' chart is a Plus feature

You're viewing the Free plan. Upgrade to unlock The 'who added and who trimmed' chart — every paid plan starts with a 7-day free trial, and you can cancel in two clicks.

See plans & upgrade Sign in

Who owns FORM? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↑ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
14 Polen Capital Polen Capital Management 3.59K $574.31K 0.0% New +3.6K — +$574.31K
13 Matthew McLennan First Eagle Investment Management 106.14K $16.97M 0.0% Reduced -73.7K -41.0% -$11.79M
12 Steve Cohen Point72 Asset Management 124.47K $19.91M 0.0% Added +96.3K +342.0% +$15.40M
11 Ray Dalio Bridgewater Associates 162.59K $26.00M 0.1% Added +112.4K +223.8% +$17.97M
10 Mawer Mawer Investment Management 202.82K $32.44M 0.2% New +202.8K — +$32.44M
9 Chuck Royce Royce & Associates 234.56K $37.51M 0.3% Reduced -217.3K -48.1% -$34.75M
8 Ken Griffin Citadel Advisors 240.28K $38.43M 0.0% Added +39.4K +19.6% +$6.30M
7 Select Equity Group Select Equity Group 285.69K $45.69M 0.2% Added +28.3K +11.0% +$4.52M
6 Jim Simons Renaissance Technologies 295.57K $47.27M 0.1% New +295.6K — +$47.27M
5 Ken Fisher Fisher Asset Management 313.65K $50.16M 0.0% Reduced -112.3K -26.4% -$17.97M
4 David Shaw D.E. Shaw & Co. 421.38K $67.39M 0.0% Added +178.7K +73.7% +$28.58M
3 Two Sigma Two Sigma Investments 425.69K $68.08M 0.1% Added +212.2K +99.4% +$33.94M
2 Israel Englander Millennium Management 670.87K $107.29M 0.1% Added +489.9K +270.8% +$78.35M
1 Norges Bank Norges Bank Investment Management 1.02M $163.78M 0.0% — — — —

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Barrow Hanley Barrow Hanley Mewhinney & Strauss -47 $4.56K

Politician trades

Politician trades in FORM

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.