FORM

Formfactor Inc$107.11 7.51%
Information TechnologyUSCUSIP 346375108· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
288
+37 QoQ
13F Value (tracked)
$6.6B
Insider Net · 180d
-$13.2M
0↑ 9↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)31 adding · 18 trimming
Insider net (180d)-$13.2M

Price & smart-money activity

$107.11 7.51%5Y +215.4%
$7.11$47.27$87.42$127.58$167.7420212022202320242025202637403334233241304551313647340383936374084242533954453560515956957546347258718159987062127
Hover for who · click for detailEnd-of-day closing prices52w $27.62 – $159.93
Build

Ask your agent what changed in FORM

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/FORM/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for FORM.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

288 tracked 13F filers
2 source-reported value rows are withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$1.2B
12.2M
+5.8%
Added · +678K sh
Q1 2026
2VANGUARD PORTFOLIO MANAGEMENT LLC
$570.3M
5.9M
New
+5.9M sh
Q1 2026
3EARNEST PARTNERS LLC
$472.8M
4.9M
−16%
Reduced · −900K sh
Q1 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$336.8M
3.5M
New
+3.5M sh
Q1 2026
5STATE STREET CORP
$284.0M
2.9M
+2.0%
Added · +59K sh
Q1 2026
6BANK OF AMERICA CORP /DE/
$240.6M
2.5M
−1.4%
Reduced · −35K sh
Q1 2026
7Polar Capital Holdings Plc
$222.3M
2.3M
New
+2.3M sh
Q1 2026
8ALLIANCEBERNSTEIN L.P.
$124.5M
2.2M
+58%
Added · +817K sh
Q1 2026
9GEODE CAPITAL MANAGEMENT, LLC
$212.2M
2.2M
+16%
Added · +302K sh
Q1 2026
10PRIMECAP MANAGEMENT CO/CA/
$173.5M
1.8M
−14%
Reduced · −293K sh
Q1 2026
11SEI INVESTMENTS CO
$163.2M
1.7M
−0.2%
Reduced · −3K sh
Q1 2026
12DIMENSIONAL FUND ADVISORS LP
$136.9M
1.4M
−18%
Reduced · −310K sh
Q1 2026
13AMERIPRISE FINANCIAL INC
$136.2M
1.4M
+6.7%
Added · +88K sh
Q1 2026
14MORGAN STANLEY
$127.0M
1.3M
−42%
Reduced · −963K sh
Q1 2026
15REINHART PARTNERS, LLC.
$112.5M
1.2M
−46%
Reduced · −993K sh
Q1 2026
16FULLER & THALER ASSET MANAGEMENT, INC.
$110.3M
1.1M
+4.9%
Added · +53K sh
Q1 2026
17CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$91.9M
948K
−0.4%
Reduced · −4K sh
Q1 2026
18JANE STREET GROUP, LLC
$89.8M
926K
+681%
Added · +807K sh
Q1 2026
19GOLDMAN SACHS GROUP INC
$84.7M
874K
−1.3%
Reduced · −11K sh
Q1 2026
20T. Rowe Price Investment Management, Inc.
Withheld
853K
+137%
Added · +493K sh
Q1 2026
21Nuveen, LLC
$82.4M
850K
+20%
Added · +144K sh
Q1 2026
22PRICE T ROWE ASSOCIATES INC /MD/
$81.5M
841K
−13%
Reduced · −124K sh
Q1 2026
23NORTHERN TRUST CORP
$81.0M
835K
+1.3%
Added · +11K sh
Q1 2026
24MASSACHUSETTS FINANCIAL SERVICES CO /MA/
$71.1M
733K
−46%
Reduced · −636K sh
Q1 2026
25Bank of New York Mellon Corp
$61.4M
634K
−16%
Reduced · −118K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
7
funds
Added
24
funds
Reduced
18
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$13.2M
9 insiders
Net
-$13.2M
53 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 15, 2026SLESSOR MIKECEO, DirectorSell (S)1K$121K
Jul 15, 2026SLESSOR MIKECEO, DirectorSell (S)2K$194K
Jul 15, 2026SLESSOR MIKECEO, DirectorSell (S)706$83K
Jul 15, 2026SLESSOR MIKECEO, DirectorSell (S)170$20K
Jul 15, 2026SLESSOR MIKECEO, DirectorSell (S)300$36K
Jul 15, 2026SLESSOR MIKECEO, DirectorSell (S)868$105K
Jun 16, 2026St Dennis ThomasDirectorGift (G)740$0
Jun 15, 2026St Dennis ThomasDirectorSell (S)3K$424K
Jun 10, 2026SLESSOR MIKECEO, DirectorSell (S)1K$165K
Jun 10, 2026SLESSOR MIKECEO, DirectorSell (S)767$91K
Jun 10, 2026SLESSOR MIKECEO, DirectorSell (S)400$48K
Jun 10, 2026SLESSOR MIKECEO, DirectorSell (S)975$118K

Institutional ownership over time

279 funds+72 since Q3 2024
0140279Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $6.6B · 2 values withheld

Funds that own FORM also own

CompanyCo-held byCombined value
ALPHABET INC-CL AGOOGL129 funds$36.9B
MICROSOFT CORPMSFT128 funds$55.9B
AMAZON.COM INCAMZN128 funds$44.8B
META PLATFORMS INC-CLASS AMETA128 funds$26.6B
ELI LILLY & COLLY127 funds$15.0B
BROADCOM INCAVGO126 funds$29.5B
ALPHABET INC-CL CGOOG125 funds$25.9B
APPLIED MATERIALS INCAMAT125 funds$7.1B
BANK OF AMERICA CORPBAC125 funds$6.1B
NVIDIA CORPNVDA124 funds$78.4B
MICRON TECHNOLOGY INCMU124 funds$10.5B
LAM RESEARCH CORPLRCX124 funds$6.8B

Ranked by how many of FORM's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

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13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for FORM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.