PRIM Primoris Services Corp: institutional ownership and insider trading
480 funds reported holding $6.45B of Primoris Services Corp in their latest 13F filings; in Q2 2026 funds net bought $87.4M, with 111 new positions and 171 funds selling out; over the last 12 months insiders bought $1.01M and sold $9.67M on the open market.
Famous investors holding PRIM
- Izzy Englander (Millennium Management): $148M, 0.1% of the portfolio
- Ken Griffin (Citadel Advisors): $58.9M, 0.0% of the portfolio
- George Soros (Soros Fund Management): $1.02M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $5.23M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $1.40M, 0.0% of the portfolio
Largest institutional holders of PRIM
- VANGUARD GROUP INC — $804M
- BlackRock, Inc. (BLK) — $678M
- WELLINGTON MANAGEMENT GROUP LLP — $463M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $310M
- VANGUARD CAPITAL MANAGEMENT LLC — $233M
- FIRST TRUST ADVISORS LP — $222M
- STATE STREET CORP (STT, STT-PG) — $180M
- MILLENNIUM MANAGEMENT LLC — $148M
- Southpoint Capital Advisors LP — $139M
- MORGAN STANLEY (MS, MS-PA, MS-PE, MS-PF, MS-PI, MS-PK, MS-PL, MS-PO, MS-PP, MS-PQ) — $127M
Recent PRIM insider trades
- Oct 15, 2026: Mccallister Terry D bought 22 shares ($1.72K)
- Jul 15, 2026: Mccallister Terry D bought 20 shares ($1.69K)
- May 28, 2026: Perisich John M. sold 29,707 shares ($3.80M)
- May 27, 2026: Vadlamudi Koti bought 7,815 shares ($1.00M)
Members of Congress trading PRIM
- May 8, 2026: Gilbert Ray Cisneros, Jr. sold $1.00K–$15.0K
- Mar 3, 2026: Gilbert Ray Cisneros, Jr. bought $1.00K–$15.0K
- Feb 18, 2026: Gilbert Ray Cisneros, Jr. sold part of $1.00K–$15.0K
- Dec 11, 2025: Gilbert Ray Cisneros, Jr. sold part of $1.00K–$15.0K
- Nov 24, 2025: Gilbert Ray Cisneros, Jr. sold part of $1.00K–$15.0K
- Nov 6, 2025: Gilbert Ray Cisneros, Jr. sold part of $1.00K–$15.0K
- Dec 6, 2024: Josh Gottheimer sold part of $1.00K–$15.0K
- Jun 27, 2024: Josh Gottheimer sold part of $1.00K–$15.0K
- Jun 21, 2024: Josh Gottheimer sold part of $1.00K–$15.0K
5%+ owners
- BlackRock, Inc.: 11.7% (Schedule 13G/A, filed Jul 29, 2026)
- Wellington Management Group LLP: 8.6% (Schedule 13G, filed Aug 13, 2026)
- First Trust Portfolios L.P.: 6.3% (Schedule 13G, filed Apr 27, 2026)
- Vanguard Portfolio Management: 5.8% (Schedule 13G/A, filed Jul 31, 2026)
- Vanguard Capital Management: 5.0% (Schedule 13G, filed Apr 30, 2026)