POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) Institutional Ownership Changes & 13F Activity

POWER SOLUTIONS INTERNATIONAL, INC. (PSIX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Point72 Asset Management, L.P., Newtyn Management, Llc, Olp Capital Management Ltd, Yiheng Capital Management, L.P., and Millennium Management Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcBuy+24,058+86.0%52,017$2.02MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemBuy+1,005+11.5%9,744$378.94KQ2 2026Aug 24, 2026
Strive Financial Group ,LlcSell-274-68.5%126$4.90KQ2 2026Aug 17, 2026
Point72 Asset Management, L.P.Buy+1,491,805+27884.2%1,497,155$58.22MQ2 2026Aug 14, 2026
Newtyn Management, LlcBuy+600,890600,890$23.37MQ2 2026Aug 14, 2026
Olp Capital Management LtdBuy+283,940283,940$11.04MQ2 2026Aug 14, 2026
Yiheng Capital Management, L.P.Buy+133,500133,500$5.19MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+109,062+111.4%206,942$8.05MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+103,027+232.5%147,333$5.73MQ2 2026Aug 14, 2026
Meros Investment Management, LpBuy+90,000+229.2%129,266$5.03MQ2 2026Aug 14, 2026
Barclays PlcBuy+72,064+30.1%311,110$12.10MQ2 2026Aug 14, 2026
Alliancebernstein L.P.Buy+65,260+195.2%98,700$6.01MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+62,590+135.0%108,961$4.24MQ2 2026Aug 14, 2026
Man Group PlcSell-53,879-60.8%34,788$1.35MQ2 2026Aug 14, 2026
Defiance Etfs, LlcBuy+52,013+249.2%72,881$2.68MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+37,220+438.6%45,707$1.78MQ2 2026Aug 14, 2026
Exoduspoint Capital Management, LpBuy+37,02037,020$1.44MQ2 2026Aug 14, 2026
Voloridge Investment Management, LlcSell-34,993-48.2%37,637$1.46MQ2 2026Aug 14, 2026
Onyxpoint Global Management LpSell-24,461-31.4%53,458$2.08MQ2 2026Aug 14, 2026
Freestone Grove Partners LpBuy+20,28620,286$788.92KQ2 2026Aug 14, 2026
Brevan Howard Capital Management LpBuy+19,60819,608$762.55KQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Buy+17,802+212.0%26,201$1.02MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+15,916+137.6%27,479$1.07MQ2 2026Aug 14, 2026
Wells Fargo & Company/MnSell-14,208-32.4%29,644$1.15MQ2 2026Aug 14, 2026
Bank Of America CorpSell-13,733-43.6%17,762$690.76KQ2 2026Aug 14, 2026
Kerrisdale Advisers, LlcBuy+13,510+115.8%25,175$979.06KQ2 2026Aug 14, 2026
Qube Research & Technologies LtdBuy+13,307+106.1%25,845$1.01MQ2 2026Aug 14, 2026
Valiant Capital Management, L.P.Buy+12,286+17.7%81,674$3.18MQ2 2026Aug 14, 2026
Lazard Asset Management LlcBuy+10,53410,534$409.67KQ2 2026Aug 14, 2026
Osaic Holdings, Inc.Sell-8,152-61.0%5,221$203.02KQ2 2026Aug 14, 2026
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Frequently asked questions about PSIX activity

  • Which institutional owners are buying PSIX?

    Institutional owners buying PSIX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in PSIX activity?

    "Buy" means an investor increased their reported position in PSIX compared to the prior reporting period. This reflects growing exposure to POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in PSIX increasing?

    Institutional interest in PSIX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.