Ticker · CUSIP 73933G202

PSIX

POWER SOLUTIONS INTL INC
···Share
Holders (tracked)
10
Combined shares
502,118
Combined value
$28.43M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
1022016Q32025Q4

SEC event timeline

13 events
  1. −67,353 shares · 2025Q4
    13F
  2. +64,779 shares · 2025Q4
    13F
  3. +23,555 shares · 2025Q4
    13F
  4. +1,083 shares · 2025Q4
    13F
  5. +11,401 shares · 2025Q4
    13F
  6. +8,002 shares · 2025Q4
    13F
  7. +1,400 shares · 2025Q4
    13F
  8. −10,984 shares · 2025Q3
    13F
  9. +18,424 shares · 2025Q3
    13F
  10. −57,303 shares · 2025Q3
    13F
  11. +48,624 shares · 2025Q3
    13F
  12. +192 shares · 2025Q3
    13F
  13. +50,102 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions0
Trimmed1
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2014Q3
1
$8K
2014Q4
1
$6K
2015Q1
1
$7K
2015Q3
1
$3K
2015Q4
1
$2K
2016Q1
3
$17.5M
2016Q2
2
$18.8M
2016Q3
2
$10.6M
2016Q4
3
$7.6M
2017Q1
2
$3.4M
2024Q4
1
$366K
2025Q1
4
$5.8M
2025Q2
5
$18.2M
2025Q3
9
$42.5M
2025Q4
10
$28.4M

Who owns PSIX

10 super-investors · 2025Q4
Tracked stake
502.1K
shares
Combined value
$28M
% of shares outstanding
shares-out unknown
Quarter action mix
Added7Trim3
#ManagerSharesValue
1Renaissance Technologies107.9K$6M
2Izzy Englander
Millennium Mgmt
94.7K$5M
3Steve Cohen
Point72
72.2K$4M
4Two Sigma Investments60.8K$3M
5Ken Griffin
Citadel Advisors
56.0K$3M
6Ken Griffin
Citadel Advisors
53.8K$3M
7AQR Capital Management29.8K$2M
8Ken Griffin
Citadel Advisors
16.3K$933K
9Steve Cohen
Point72
6.1K$349K
10T. Rowe Price4.6K$261

Recent moves

20 transactions
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