FormFactor
FORM
140.67
+0.87
+0.62%
FormFactor
US · FORM
#1346 by market cap
Listed 1970
140.67
+0.87
+0.62%
Live - 5344 symbols - heartbeat 84s ago
· 2026-10-08 10:11
Pre-market
136.58
-2.30%
After-hours
139.98
+0.13%
Overnight
138.40
-1.00%
- Market cap
- 10.99B
- P/E (TTM)i
- 97.01
- P/Bi
- 9.89
- EPSi
- 0.69
- Div yieldi
- 0.00%
- 52W posi
- 84%
Reader sentiment
Are you bullish or bearish on FORM?
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
Accumulating
- The number of reporting institutions decreased by 1 in the most recent period (2026/Q3).
- Total institutional ownership rose 0.6 percentage points.
Institutional ownership
- Held by institutions
- 94.16% +0.61pp
- Institutions
- 594 -1
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
AlignedInstitutions added shares last reporting period, and the stock has seen net inflows in main-fund flow over the last 20 trading sessions - the two line up.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Mutual Fund77.88%
Hedge Fund7.52%
Private Company3.26%
Public Company1.83%
Government Pension Fund1.46%
Sovereign Wealth Fund1.38%
Individual/Insider0.77%
Insurance Company0.47%
VC/PE Fund0.15%
Other5.29%
Top holders as of 2026-06-30
BlackRock
13.42% · 10.48M sh
Vanguard Portfolio Management, LLC
6.71% · 5.24M sh
Vanguard Capital Management, LLC
5.15% · 4.02M sh
EARNEST Partners, LLC
4.82% · 3.76M sh
State Street Global Advisors
3.30% · 2.58M sh
Polar Capital Holdings Plc
2.75% · 2.15M sh
Geode Capital Management, LLC
2.35% · 1.83M sh
PRIMECAP Management Company
2.16% · 1.69M sh
Managed Account Advisors LLC
2.10% · 1.64M sh
Invesco Capital Management LLC
1.93% · 1.51M sh
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 17 buys · 33 sells
| Name | Role | Stake |
|---|---|---|
| Michael Slessor | Chief Executive Officer | 0.60% |
| Shai Shahar | Chief Financial Officer | 0.04% |
| Thomas Dennis | Independent Chairman & Lead independent Director | 0.04% |
| Kelley Steven-Waiss | Independent Director | 0.03% |
| Aric McKinnis | Senior Vice President | 0.02% |
| Jorge Titinger | Independent Director | 0.02% |
| Brian White | Independent Director | 0.01% |
| Rebeca Obregon-Jimenez | Independent Director | 0.01% |
| Sheri Rhodes | Independent Director | 0.01% |
| Kevin Brewer | Director | 0.00% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-09-15 | Michael Slessor | Chief Executive Officer | Automatic Disposition | -17,510 | $104.26–105.80 |
| 2026-09-02 | Kelley Steven-Waiss | Independent Director | Open Market Disposition | -2,100 | $96.10 |
| 2026-08-13 | Michael Slessor | Chief Executive Officer | Automatic Disposition | -16,002 | $128.72–133.33 |
| 2026-08-06 | Michael Slessor | Chief Executive Officer | Derivative Exercise and Sale | -82,196 | $117.39 |
| 2026-08-06 | Michael Slessor | Chief Executive Officer | Other Derivative Acquisition | +141,792 | -- |
| 2026-08-06 | Michael Slessor | Chief Executive Officer | Derivative Exercise and Retained | +65,504 | -- |
| 2026-08-05 | Michael Slessor | Chief Executive Officer | Derivative Exercise and Sale | -5,385 | $114.44–115.21 |
| 2026-08-05 | Michael Slessor | Chief Executive Officer | Derivative Exercise and Retained | +4,290 | -- |
| 2026-08-05 | Michael Slessor | Chief Executive Officer | Other Derivative Acquisition | +27,696 | -- |
| 2026-08-05 | Aric McKinnis | Senior Vice President | Derivative Exercise and Sale | -404 | $114.44–115.21 |
| 2026-08-05 | Aric McKinnis | Senior Vice President | Derivative Exercise and Retained | +1,216 | -- |
| 2026-08-05 | Aric McKinnis | Senior Vice President | Other Derivative Acquisition | +6,924 | -- |
| 2026-07-14 | Michael Slessor | Chief Executive Officer | Automatic Disposition | -4,735 | $116.56–121.30 |
| 2026-06-15 | Thomas Dennis | Independent Chairman & Lead independent Director | Other Disposition | -740 | -- |
| 2026-06-14 | Thomas Dennis | Independent Chairman & Lead independent Director | Open Market Disposition | -2,800 | $151.49 |
| 2026-06-09 | Michael Slessor | Chief Executive Officer | Automatic Disposition | -11,890 | $117.70–123.37 |
| 2026-06-01 | Aric McKinnis | Senior Vice President | Derivative Exercise and Sale | -193 | $125.11 |
| 2026-06-01 | Aric McKinnis | Senior Vice President | Derivative Exercise and Retained | +580 | -- |
| 2026-06-01 | Sheri Rhodes | Independent Director | Open Market Disposition | -6,328 | $125.40 |
| 2026-05-20 | Rebeca Obregon-Jimenez | Independent Director | Open Market Disposition | -3,828 | $126.48 |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-08 10:11:08 · For reference only, not investment advice and not tailored to your situation.