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Livermore
ZHEN

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.

Q3 2025 vs. Q2 2025

How the institutions holding Power Solutions International, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of PSIX: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders1261203+78
Shares3.49M5.25K5.45M+1.97M (+56.4%)
Value$226.2M$339.8K$533.2M+$307.4M (+136.1%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (91)

Institutions that held Power Solutions International, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to PSIX in Q3 2025
InstitutionSharesValue% of portfolio
Busey Wealth Management220,000$21.6M0.60%
Portolan Capital Management, LLC195,804$19.2M1.04%
Allspring Global Investments Holdings, LLC206,089$19.0M0.03%
Driehaus Capital Management LLC134,502$13.2M0.09%
Hel Ved Capital Management Ltd68,720$6.75M3.66%
Kadensa Capital Ltd59,710$5.86M0.60%
Point72 Asset Management, L.P.48,624$4.78M0.01%
Victory Capital Management Inc48,572$4.77M0.00%
Mercuria Capital Strategies, LLC46,490$4.57M6.02%
Cubist Systematic Strategies, LLC39,035$3.83M0.05%
Ameriprise Financial Inc35,008$3.44M0.00%
Franklin Resources Inc34,210$3.36M0.00%
De Lisle Partners LLP21,000$2.06M0.25%
Credit Agricole S A18,800$1.85M0.01%
AQR Capital Management LLC18,424$1.81M0.00%
Twinbeech Capital LP16,302$1.60M0.06%
Westbourne Investments, Inc.18,660$1.60M0.76%
Principal Financial Group Inc16,172$1.59M0.00%
Voleon Capital Management LP13,608$1.34M0.03%
Man Group plc13,525$1.33M0.00%
Swiss National Bank13,400$1.32M0.00%
Stephens Inc12,635$1.24M0.02%
Verde Servicos Internacionais S.A.12,172$1.20M0.34%
Militia Capital Partners, LP10,000$982.2K0.46%
Point72 Hong Kong Ltd9,982$980.4K0.05%
Schonfeld Strategic Advisors LLC9,954$977.7K0.01%
Graham Capital Management, L.P.9,890$971.4K0.04%
Sierra Summit Advisors LLC9,752$957.8K0.15%
Engineers Gate Manager LP9,112$895.0K0.01%
Scientech Research LLC8,121$797.6K0.28%
Wolverine Trading, LLC7,625$786.0K0.02%
Picton Mahoney Asset Management7,480$735.0K0.01%
Algert Global LLC7,460$732.7K0.01%
Occudo Quantitative Strategies LP6,675$655.6K0.08%
Squarepoint Ops LLC6,335$622.2K0.00%
Independent Financial Group, LLC5,193$510.1K0.01%
Aviva PLC5,183$509.1K0.00%
Jacobs Levy Equity Management, Inc5,077$498.7K0.00%
Group One Trading, L.P.4,981$489.2K0.01%
Meeder Asset Management Inc4,980$489.1K0.03%
Alps Advisors Inc4,830$474.4K0.00%
Counterpoint Mutual Funds LLC4,677$459.4K0.04%
Ground Swell Capital, LLC4,581$449.9K0.98%
Janney Montgomery Scott LLC4,573$449.0K0.00%
Simplex Trading, LLC4,575$449.0K0.01%
Kestra Advisory Services, LLC4,437$435.8K0.00%
Diametric Capital, LP4,233$415.8K0.15%
Teacher Retirement System of Texas3,872$380.3K0.00%
Benjamin Edwards Inc3,743$367.6K0.00%
Perbak Capital Partners LLP3,666$360.1K0.06%
Prelude Capital Management, LLC3,600$353.6K0.03%
Marex Group plc3,253$319.5K0.00%
Hennion & Walsh Asset Management, Inc.3,166$311.0K0.01%
Toroso Investments, LLC3,023$296.9K0.00%
UBS Asset Management Americas Inc3,000$294.7K0.00%
Commerce Bank3,000$294.7K0.00%
Truvestments Capital LLC2,925$287.3K0.05%
Baron Wealth Management LLC2,909$285.7K0.09%
Janus Henderson Group PLC2,903$285.1K0.00%
HighTower Advisors, LLC2,881$283.0K0.00%
Versor Investments LP2,803$275.3K0.05%
StoneX Group Inc.2,727$267.8K0.01%
Quadrature Capital Ltd2,637$259.3K0.00%
Cornerstone Wealth Management, LLC2,600$255.4K0.01%
Adapt Wealth Advisors, LLC2,505$246.0K0.09%
Cadence Wealth Management LLC2,500$245.6K0.13%
Savvy Advisors, Inc.2,466$242.2K0.01%
Arizona State Retirement System2,037$200.1K0.00%
Globeflex Capital L P1,900$186.6K0.03%
KLP Kapitalforvaltning AS1,900$186.6K0.00%
Comprehensive Financial Planning, Inc.1,899$186.5K0.13%
SG Americas Securities, LLC1,728$170.0K0.00%
Financial Consulate, Inc1,500$147.3K0.02%
CWM, LLC1,189$117.0K0.00%
Compagnie Lombard Odier SCmA1,000$98.2K0.00%
State of Alaska, Department of Revenue1,006$98.0K0.00%
Rockefeller Capital Management L.P.650$63.8K0.00%
Canada Pension Plan Investment Board500$49.1K0.00%
Federated Hermes, Inc.265$26.0K0.00%
Luminist Capital LLC200$18.4K0.02%
Federation des caisses Desjardins du Quebec150$14.7K0.00%
Bullock Wealth Management Group91$8.39K0.00%
Harbour Investments, Inc.50$4.91K0.00%
Comerica Bank41$4.03K0.00%
Harbor Capital Advisors, Inc.45$4.00K0.00%
AdvisorNet Financial, Inc34$3.34K0.00%
Armstrong Advisory Group, Inc24$2.36K0.00%
GAMMA Investing LLC6$5890.00%
SRS Capital Advisors, Inc.5$4910.00%
Clearstead Advisors, LLC4$3930.00%
Signaturefd, LLC4$3930.00%

Sold out (13)

Institutions that held Power Solutions International, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of PSIX in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Gagnon Advisors, LLC180,405$11.7M
S Squared Technology, LLC39,574$2.56M
Jump Financial, LLC16,900$1.09M
Change Path, LLC6,548$423.5K
Cozad Asset Management Inc5,131$331.9K
Arete Wealth Advisors, LLC4,745$307.0K
State of Wyoming4,312$278.9K
DRW Securities, LLC3,960$256.1K
Kathmere Capital Management, LLC3,499$226.3K
Twin Peaks Wealth Advisors, LLC800$76.4K
Clear Street Markets LLC1,045$67.6K
SJS Investment Consulting Inc.82$5.30K
Rothschild Investment LLC10$647

Not filed for Q3 2025 yet (1)

Institutions that held Power Solutions International, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PSIX in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Avantax Advisory Services, Inc.5,253$339.8K