Power Integrations
POWI
298 hedge funds and large institutions have $2.12B invested in Power Integrations in 2025 Q4 according to their latest regulatory filings, with 55 funds opening new positions, 101 increasing their positions, 111 reducing their positions, and 69 closing their positions.
8.15% more ownership
Funds ownership: 99.56% → 107.71% (+8.1%)
9% less repeat investments, than reductions
Existing positions increased: 101 | Existing positions reduced: 111
5% less funds holding
Funds holding: 315 → 298 (-17)
6% less capital invested
Capital invested by funds: $2.25B → $2.12B (-$126M)
20% less first-time investments, than exits
New positions opened: 55 | Existing positions closed: 69
64% less call options, than puts
Call options by funds: $5.23M | Put options by funds: $14.6M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$55.9M |
| 2 |
SCM
Snyder Capital Management
San Francisco,
California
|
+$46.8M |
| 3 |
WHG
Westwood Holdings Group
Dallas,
Texas
|
+$39.3M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$34M |
| 5 |
Nomura Holdings
Tokyo,
Japan
|
+$24.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CAM
Congress Asset Management
Boston,
Massachusetts
|
-$23.9M |
| 2 |
D.E. Shaw & Co
New York
|
-$21.5M |
| 3 |
Fiera Capital (Canada)
Montreal,
Quebec, Canada
|
-$18.1M |
| 4 |
Jane Street
New York
|
-$10.3M |
| 5 |
WCM Investment Management
Laguna Beach,
California
|
-$10.2M |
POWI Hedge Fund Activity: Q4 2025 in Review
298 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Power Integrations (POWI) for Q4 2025, worth a combined $2.12B — down 5.6% from $2.25B a quarter earlier.
Sellers outnumbered buyers: 69 funds closed out of POWI and 55 opened new positions — a net loss of 14 holders — while 111 trimmed existing stakes and 101 added.
The largest buyer was BlackRock, adding an estimated $55.9M. The largest seller was Congress Asset Management, exiting entirely with an estimated $23.9M sold.
- 298 institutional investors held Power Integrations (POWI) as of Q4 2025, down from 315 in Q3 2025.
- Funds reported $2.12B of Power Integrations stock for Q4 2025, down 5.6% quarter-over-quarter.
- 55 funds opened new Power Integrations positions in Q4 2025 and 69 closed out, a net change of -14 holders.
- The largest Power Integrations buyer in Q4 2025 was BlackRock, an estimated $55.9M added.
- The largest Power Integrations seller in Q4 2025 was Congress Asset Management, an estimated $23.9M sold.
Based on aggregated 13F filings for Q4 2025.