Primoris Services Corp (PRIM) Institutional Ownership

Ownership Summary

Primoris Services Corp (NYSE:PRIM) has 463 institutional investors with active 13F positions as of December 2025.

• These investors held 107.6% of outstanding shares in December 2025, up from 93.8% in September 2025.
• They increased total shares held in Primoris Services by 21.57% from the prior quarter, while the number of investors in PRIM increased 31.91% year over year.
• During the quarter, 262 of these 463 funds increased positions in PRIM, 165 reduced exposure, and 36 held steady.
• Altogether, these fund groups held 58.95Mn shares in PRIM by December 2025, up by 10.46Mn shares quarter on quarter, and up 7.0Mn shares year over year.
• BlackRock, Inc. is the top holder of Primoris Services as of December 31, 2025, with 8.34Mn shares representing 15.22% of outstanding stock.
• The most significant purchases of PRIM for the quarter ending December 2025 came from VANGUARD PORTFOLIO MANAGEMENT LLC (3.65Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.34Mn), FIRST TRUST ADVISORS LP (928.16K), PRICE T ROWE ASSOCIATES INC /MD/ (714.52K), MILLENNIUM MANAGEMENT LLC (399.04K).
• The biggest sellers of Primoris Services for the quarter ending December 2025 included FULLER & THALER ASSET MANAGEMENT, INC. (3.11Mn), Goldman Sachs Group Inc (481.1K), Qube Research & Technologies Ltd (293.13K), D. E. Shaw & Co., Inc. (280.17K), WESTFIELD CAPITAL MANAGEMENT CO LP (208.93K).
• According to Business Quant data, leading holders of PRIM for December 2025 are BlackRock, Inc. (8.34Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.65Mn), FULLER & THALER ASSET MANAGEMENT, INC. (2.97Mn), FIRST TRUST ADVISORS LP (2.89Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.34Mn), State Street Corp (2.06Mn), WELLINGTON MANAGEMENT GROUP LLP (1.88Mn), GEODE CAPITAL MANAGEMENT, LLC (1.46Mn), Invesco Ltd. (1.4Mn), DIMENSIONAL FUND ADVISORS LP (1.16Mn).