FormFactor
FORM
396 hedge funds and large institutions have $7.14B invested in FormFactor in 2026 Q1 according to their latest regulatory filings, with 107 funds opening new positions, 133 increasing their positions, 117 reducing their positions, and 40 closing their positions.
168% more first-time investments, than exits
New positions opened: 107 | Existing positions closed: 40
72% more call options, than puts
Call options by funds: $33.1M | Put options by funds: $19.3M
68% more capital invested
Capital invested by funds: $4.24B → $7.14B (+$2.9B)
18% more funds holding
Funds holding: 335 → 396 (+61)
14% more repeat investments, than reductions
Existing positions increased: 133 | Existing positions reduced: 117
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
2.36% less ownership
Funds ownership: 98.07% → 95.71% (-2.4%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PCH
Polar Capital Holdings
London,
United Kingdom
|
+$197M |
| 2 |
Invesco
Atlanta,
Georgia
|
+$77.9M |
| 3 |
AllianceBernstein
Nashville,
Tennessee
|
+$70.3M |
| 4 |
Jane Street
New York
|
+$69.5M |
| 5 |
BlackRock
New York
|
+$58.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CCM
Channing Capital Management
Chicago,
Illinois
|
-$85.5M |
| 2 |
RP
Reinhart Partners
Mequon,
Wisconsin
|
-$85.4M |
| 3 |
Morgan Stanley
New York
|
-$82.8M |
| 4 |
EARNEST Partners
Atlanta,
Georgia
|
-$77.4M |
| 5 |
Victory Capital Management
San Antonio,
Texas
|
-$76.7M |
FORM Hedge Fund Activity: Q1 2026 in Review
396 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in FormFactor (FORM) for Q1 2026, worth a combined $7.14B — up 68% from $4.24B a quarter earlier.
Buyers outnumbered sellers: 107 funds opened new FORM positions and 40 closed out — a net gain of 67 holders — while 133 added to existing stakes and 117 trimmed.
The largest buyer was Polar Capital Holdings, opening a new position worth an estimated $197M. The largest seller was Channing Capital Management, cutting an estimated $85.5M.
- 396 institutional investors held FormFactor (FORM) as of Q1 2026, up from 335 in Q4 2025.
- Funds reported $7.14B of FormFactor stock for Q1 2026, up 68% quarter-over-quarter.
- 107 funds opened new FormFactor positions in Q1 2026 and 40 closed out, a net change of +67 holders.
- The largest FormFactor buyer in Q1 2026 was Polar Capital Holdings, an estimated $197M added.
- The largest FormFactor seller in Q1 2026 was Channing Capital Management, an estimated $85.5M sold.
Based on aggregated 13F filings for Q1 2026.