Power Solutions International
PSIX
158 hedge funds and large institutions have $329M invested in Power Solutions International in 2026 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 62 increasing their positions, 48 reducing their positions, and 68 closing their positions.
29% more repeat investments, than reductions
Existing positions increased: 62 | Existing positions reduced: 48
6.69% more ownership
Funds ownership: 29.73% → 36.43% (+6.7%)
5% more call options, than puts
Call options by funds: $10.8M | Put options by funds: $10.3M
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
22% less capital invested
Capital invested by funds: $419M → $329M (-$90.6M)
22% less funds holding
Funds holding: 202 → 158 (-44)
62% less first-time investments, than exits
New positions opened: 26 | Existing positions closed: 68
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Point72 Asset Management
Stamford,
Connecticut
|
+$82M |
| 2 |
NM
Newtyn Management
New York
|
+$33M |
| 3 |
YC
Yunqi Capital
Hong Kong
|
+$18.6M |
| 4 |
OCM
OLP Capital Management
Causeway Bay,
Hong Kong
|
+$15.6M |
| 5 |
YCM
Yiheng Capital Management
San Francisco,
California
|
+$7.34M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$28.4M |
| 2 |
SA
Situational Awareness
San Francisco,
California
|
-$26.3M |
| 3 |
Allspring Global Investments
Charlotte,
North Carolina
|
-$16.1M |
| 4 |
DB
Danske Bank
Copenhagen K,
Denmark
|
-$7.41M |
| 5 |
LPL Financial
San Diego,
California
|
-$5.41M |
PSIX Hedge Fund Activity: Q2 2026 in Review
158 of the 8,317 institutional investors tracked by Wall St. Rank reported a position in Power Solutions International (PSIX) for Q2 2026, worth a combined $329M — down 22% from $419M a quarter earlier.
Sellers outnumbered buyers: 68 funds closed out of PSIX and 26 opened new positions — a net loss of 42 holders — while 48 trimmed existing stakes and 62 added.
The largest buyer was Point72 Asset Management, adding an estimated $82M. The largest seller was Arrowstreet Capital, exiting entirely with an estimated $28.4M sold.
- 158 institutional investors held Power Solutions International (PSIX) as of Q2 2026, down from 202 in Q1 2026.
- Funds reported $329M of Power Solutions International stock for Q2 2026, down 22% quarter-over-quarter.
- 26 funds opened new Power Solutions International positions in Q2 2026 and 68 closed out, a net change of -42 holders.
- The largest Power Solutions International buyer in Q2 2026 was Point72 Asset Management, an estimated $82M added.
- The largest Power Solutions International seller in Q2 2026 was Arrowstreet Capital, an estimated $28.4M sold.
Based on aggregated 13F filings for Q2 2026.