Power Solutions International, Inc. (PSIX) Institutional Ownership

Ownership Summary

The institutional landscape for Power Solutions International, Inc. (NASDAQ:PSIX) includes 63 filers as of the latest reporting cycle ending December 2025.

• The percentage of Power Solutions International owned by institutions changed from 23.8% in September 2025 to 8.4% in December 2025, marking a slight down trend.
• The company experienced a 57.43% quarterly change in institutional shares held, alongside an increase of 90.91% in total owners annually.
• During the quarter, 49 institutions bought more Power Solutions International shares, 7 sold shares, and 7 of the 63 total investors held their position steady.
• The aggregate institutional position in Power Solutions International now stands at 1.93Mn shares as of December 2025, after investors increased their holdings (up by 704.88K shares quarter on quarter which is down 379.62K shares year over year).
• As of December 31, 2025, VANGUARD GROUP INC held Power Solutions International's largest shareholding position with over 539.98K shares, representing 2.34% of total outstanding shares.
• Among the most significant buyers of Power Solutions International during December 2025 were ANTIPODES PARTNERS Ltd (228.41K), Allspring Global Investments Holdings, LLC (122.67K), Beacon Harbor Wealth Advisors, Inc. (103.22K), Ruffer LLP (38.06K), VANGUARD GROUP INC (37.60K).
• Leading sellers of Power Solutions International stock in December 2025 included RITHOLTZ WEALTH MANAGEMENT (10.41K), STRS OHIO (2.20K), Spire Wealth Management (1.32K), STEPHENS INC /AR/ (635), Independent Advisor Alliance (500).
• The top 10 institutional holders of Power Solutions International for the quarter ending December 2025 included VANGUARD GROUP INC (539.98K), Allspring Global Investments Holdings, LLC (328.76K), ANTIPODES PARTNERS Ltd (228.41K), Busey Bank (220.00K), Beacon Harbor Wealth Advisors, Inc. (103.22K), NAVELLIER & ASSOCIATES INC (101.73K), Independent Advisor Alliance (53.98K), Cambridge Investment Research Advisors, Inc. (42.00K), Ruffer LLP (38.06K), HUSSMAN STRATEGIC ADVISORS, INC. (31.50K).