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Power Solutions International, Inc.

PSIX
Exchange
Nasdaq
Industry
Engines & Turbines
SEC CIK
0001137091

No open-market purchases or sales by Power Solutions International, Inc. insiders were filed in the last 90 days; 157 institutions reported holding it in 13F filings for Q2 2026, worth $328.5M in total; no superinvestor holds it.

Q4 2024 vs. Q3 2024

How the institutions holding Power Solutions International, Inc. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024All holders in Q3 2024

13F holders of PSIX: Q3 2024 compared with Q4 2024
MeasureQ3 2024Q4 2024Change
Holders431+27
Shares2.28M2.31M+31.5K (+1.4%)
Value$46.8M$68.7M+$21.9M (+46.9%)

New holders (27)

Institutions that held Power Solutions International, Inc. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to PSIX in Q4 2024
InstitutionSharesValue% of portfolio
Portolan Capital Management, LLC341,287$10.2M0.68%
O'Shaughnessy Asset Management, LLC72,868$2.17M0.02%
Marshall Wace, LLP71,588$2.13M0.00%
Valiant Capital Management, L.P.35,450$1.05M0.14%
Manatuck Hill Partners, LLC20,850$620.3K0.25%
World Equity Group, Inc.17,794$529.4K0.11%
Corsair Capital Management, L.P.16,000$476.0K0.10%
Schonfeld Strategic Advisors LLC15,300$455.2K0.00%
Perritt Capital Management Inc15,000$446.3K0.23%
MML Investors Services, LLC14,262$424.0K0.00%
Citadel Advisors LLC12,312$366.3K0.00%
Thoroughbred Financial Services, LLC10,433$310.0K0.02%
Astoria Portfolio Advisors LLC.7,277$263.4K0.09%
Thompson Davis & Co., Inc.8,450$251.4K0.16%
Northwestern Mutual Wealth Management Co7,950$236.5K0.00%
Evernest Financial Advisors, LLC7,500$223.1K0.06%
Citigroup Inc6,650$197.8K0.00%
Morgan Stanley4,302$128.0K0.00%
Spire Wealth Management3,243$96.5K0.00%
Advisor Group Holdings, Inc.2,805$83.4K0.00%
BlackRock, Inc.1,527$45.4K0.00%
Wells Fargo & Company1,100$32.7K0.00%
Principal Securities, Inc.705$21.0K0.00%
Bank of America Corp342$10.2K0.00%
MAI Capital Management300$8.93K0.00%
US Bancorp66$1.96K0.00%
Tower Research Capital LLC (TRC)25$7440.00%

Sold out (0)

Institutions that held Power Solutions International, Inc. at the end of Q3 2024 and filed for Q4 2024 without it.

None.