Power Integrations
POWI
315 hedge funds and large institutions have $2.25B invested in Power Integrations in 2025 Q3 according to their latest regulatory filings, with 36 funds opening new positions, 114 increasing their positions, 123 reducing their positions, and 58 closing their positions.
120% more call options, than puts
Call options by funds: $44K | Put options by funds: $20K
0.82% less ownership
Funds ownership: 100.38% → 99.56% (-0.82%)
7% less repeat investments, than reductions
Existing positions increased: 114 | Existing positions reduced: 123
8% less funds holding
Funds holding: 342 → 315 (-27)
29% less capital invested
Capital invested by funds: $3.16B → $2.25B (-$913M)
38% less first-time investments, than exits
New positions opened: 36 | Existing positions closed: 58
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$28.7M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
+$13.9M |
| 3 |
D.E. Shaw & Co
New York
|
+$12.3M |
| 4 |
State Street
Boston,
Massachusetts
|
+$10.6M |
| 5 |
Neuberger Berman Group
New York
|
+$9.87M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
American Century Companies
Kansas City,
Missouri
|
-$52.8M |
| 2 |
Grantham, Mayo, Van Otterloo & Co (GMO)
Boston,
Massachusetts
|
-$25.8M |
| 3 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$17.8M |
| 4 |
BlackRock
New York
|
-$17.3M |
| 5 |
Invesco
Atlanta,
Georgia
|
-$15.3M |
POWI Hedge Fund Activity: Q3 2025 in Review
315 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Power Integrations (POWI) for Q3 2025, worth a combined $2.25B — down 29% from $3.16B a quarter earlier.
Sellers outnumbered buyers: 58 funds closed out of POWI and 36 opened new positions — a net loss of 22 holders — while 123 trimmed existing stakes and 114 added.
The largest buyer was Wellington Management Group, adding an estimated $28.7M. The largest seller was American Century Companies, exiting entirely with an estimated $52.8M sold.
- 315 institutional investors held Power Integrations (POWI) as of Q3 2025, down from 342 in Q2 2025.
- Funds reported $2.25B of Power Integrations stock for Q3 2025, down 29% quarter-over-quarter.
- 36 funds opened new Power Integrations positions in Q3 2025 and 58 closed out, a net change of -22 holders.
- The largest Power Integrations buyer in Q3 2025 was Wellington Management Group, an estimated $28.7M added.
- The largest Power Integrations seller in Q3 2025 was American Century Companies, an estimated $52.8M sold.
Based on aggregated 13F filings for Q3 2025.