Primoris Services Corporation (PRIM)
Who owns Primoris Services Corporation (PRIM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.9% of the shares are freely tradable; institutional investors hold 105.1%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.37 | 8,340,660 | +0.5 | 03/31/2026 |
| Vanguard Group Inc | 11.94 | 6,479,466 | +7.8 | 12/31/2025 |
| Vanguard Portfolio Management, LLC | 6.73 | 3,653,916 | +0.0 | 03/31/2026 |
| Fuller & Thaler Asset Management Inc | 5.47 | 2,966,901 | -51.2 | 03/31/2026 |
| First Trust Advisors L.P. | 5.32 | 2,886,163 | +47.4 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.31 | 2,335,748 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.04 | 3,278,123 | +0.0 | 05/29/2026 |
| FullerThaler Beh Small-Cap Equity SMA | 4.13 | 2,242,994 | -1.1 | 12/31/2025 |
| FullerThaler Behavioral Small-Cap Equity | 4.13 | 2,242,994 | -3.0 | 12/31/2025 |
| FullerThaler Behavioral Sm-Cp Eq R6 | 3.93 | 2,132,894 | -0.3 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 31. Jul 2026 | Saluja Harpreet | Director | Other | 356 | – | – |
| 31. Jul 2026 | Ching Michael E. | Director | Other | 356 | – | – |
| 31. Jul 2026 | Rodriguez Jose Ramon | Director | Other | 356 | – | – |
| 31. Jul 2026 | Wagner Patricia K | Director | Other | 356 | – | – |
| 31. Jul 2026 | King David Lee | Director | Other | 356 | – | – |
| 31. Jul 2026 | Mashinski Carla S | Director | Other | 356 | – | – |
| 31. Jul 2026 | Mccallister Terry D | Director | Other | 356 | – | – |
| 15. Jul 2026 | Mccallister Terry D | Director | Buy | 20 | 86.66 | 1,733 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.