At the end of Q4 2024, 31 institutions reported holding Power Solutions Internationa (PSIX) in their 13F filings, up 27 from Q3 2024. 28 opened new positions and 0 sold out. The largest holders were Gagnon Securities LLC ($25.3M), Gagnon Advisors, LLC ($14.0M) and Portolan Capital Management, LLC ($10.2M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
Company
Power Solutions Internationa
CUSIP
73933G202
Latest filing quarter
Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
Institutions
Total Value
New Positions
28
$20.7M
Exits
0
$0
All 13F filers, Q3 2024 → Q4 2024: 695,386 shares bought and 663,900 shares sold, net +31,486 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.