Primoris Services PRIM Institutional Ownership

Updated Oct 11, 2026

Primoris Services Corp (NYSE:PRIM) had 445 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

• Total holdings of Primoris Services shares rose 1.47% from Q1 2026, and the number of holders rose 15.89% from Q2 2025.
• Among the 445 holders of Primoris Services, 243 added to their positions, 159 reduced their stakes and 43 left their positions unchanged.
• The aggregate institutional position in Primoris Services was 55.69Mn shares at the end of Q2 2026, up 807.85K from the prior quarter and up 3.85Mn from a year earlier.
• As of June 30, 2026, BlackRock, Inc. held the largest stake in Primoris Services with 6.84Mn shares.
• The biggest increases in PRIM positions during Q2 2026 came from Wellington Management Group LLP (+2.8Mn shares), Millennium Management LLC (+1.09Mn shares), Nordea Investment Management AB (+831.23K shares), Morgan Stanley (+728.72K shares) and Grandeur Peak Global Advisors, LLC (+612.47K shares).
• The largest position reductions in PRIM for Q2 2026 were by BlackRock, Inc. (-1.5Mn shares), Congress Asset Management Co (-812.15K shares), AllianceBernstein L.P. (-653.77K shares), First Trust Advisors LP (-651.43K shares) and T. Rowe Price Associates Inc (-605.48K shares).
• Primoris Services' 10 largest institutional shareholders as of Q2 2026 were BlackRock, Inc. (6.84Mn shares), Wellington Management Group LLP (4.68Mn shares), Vanguard Portfolio Management LLC (3.12Mn shares), Vanguard Capital Management LLC (2.36Mn shares), First Trust Advisors LP (2.23Mn shares), State Street Corp (1.81Mn shares), Millennium Management LLC (1.49Mn shares), Southpoint Capital Advisors LP (1.4Mn shares), Morgan Stanley (1.28Mn shares) and Dimensional Fund Advisors LP (1.18Mn shares), per Business Quant data.