Who owns Primoris Services (PRIM)?
151 holders named in SEC filings declare between 82.5% and 105.6% of Primoris Services' shares outstanding, as of Jul 31, 2026. The largest are BlackRock (12.7%), Vanguard (10.9%) and Wellington (8.7%); the five largest hold 42.7% together. Another 297 institutions hold small positions worth 3.0%. From Mar 31, 2026 to Jun 30, 2026, institutions that filed both quarters bought 30.0% and sold 32.2% of the shares, a net sale of 2.3%; 102 opened a position, 122 added, 159 reduced and 164 sold out. Biggest buyers: Wellington (+2.8M shares) and Southpoint Capital Advisors LP (+1.4M shares). Biggest sellers: Fuller & Thaler Asset Management, Inc. (-3.0M) and BlackRock (-1.5M). Schedule 13D/G filings since Mar 31, 2026: BlackRock, Inc. cut its stake to 11.8% on Jun 30, 2026, Fuller & Thaler Asset Management, Inc. fell below 5% (0.00% still declared) on Jun 30, 2026 and Vanguard Portfolio Management cut its stake to 5.8% on Jun 30, 2026. Over time, 438 managers declared Primoris Services in their 13F for Q2 2026, against 133 for Q4 2019: together at most 100.8% of the shares outstanding, against 85.6%.
| Holder | Filing | Share of capital | As of | Holding since (13F) |
|---|---|---|---|---|
| BlackRock | 13F | 12.7% | Jun 30, 2026 | Q4 2019 or earlier |
| Vanguard | 13F | 10.9% | Jun 30, 2026 | Q4 2019 or earlier |
| Wellington | 13F | 8.7% | Jun 30, 2026 | Q4 2019 or earlier |
| First Trust Portfolios L.P. | 13G | 6.3% | Mar 31, 2026 | — |
| FIRST TRUST ADVISORS LP | 13F | 4.2% | Jun 30, 2026 | Q4 2019 or earlier |
| State Street | 13F | 3.4% | Jun 30, 2026 | Q4 2019 or earlier |
| Millennium | 13F | 2.8% | Jun 30, 2026 | Q3 2023 |
| Southpoint Capital Advisors LP | 13F | 2.6% | Jun 30, 2026 | Q2 2026 |
| Morgan Stanley | 13F | 2.4% | Jun 30, 2026 | Q4 2019 or earlier |
| Dimensional | 13F | 2.2% | Jun 30, 2026 | Q4 2019 or earlier |
| Geode Capital | 13F | 2.0% | Jun 30, 2026 | Q4 2019 or earlier |
| NORDEA INVESTMENT MANAGEMENT AB | 13F | 1.6% | Jun 30, 2026 | Q4 2025 |
| American Century Companies, Inc. | 13F | 1.6% | Jun 30, 2026 | Q1 2020 |
| Point72 | 13F | 1.6% | Jun 30, 2026 | Q2 2026 |
| Invesco | 13F | 1.6% | Jun 30, 2026 | Q4 2019 or earlier |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 13F | 1.4% | Jun 30, 2026 | Q4 2024 |
| UBS | 13F | 1.3% | Jun 30, 2026 | Q4 2019 or earlier |
| Fidelity (FMR) | 13F | 1.2% | Jun 30, 2026 | Q2 2020 |
| Charles Schwab | 13F | 1.0% | Jun 30, 2026 | Q4 2019 or earlier |
| Norges Bank | 13F | 0.96% | Jun 30, 2026 | Q4 2019 or earlier |
| Van Berkom & Associates Inc. | 13F | 0.95% | Jun 30, 2026 | Q4 2019 or earlier |
| FRONTIER CAPITAL MANAGEMENT CO.,LLC | 13F | 0.87% | Jun 30, 2026 | Q2 2026 |
| Nuveen | 13F | 0.86% | Jun 30, 2026 | Q4 2019 or earlier |
| Madison Avenue Partners, LP | 13F | 0.86% | Jun 30, 2026 | Q2 2026 |
| MACKENZIE FINANCIAL CORP | 13F | 0.86% | Jun 30, 2026 | Q2 2024 |
Primoris Services institutional ownership over time
| Quarter | 13F managers | Share of the company (upper bound) | Value declared | Held by stock pickers |
|---|---|---|---|---|
| Q4 2019 | 133 | 85.6% | $915.5M | 69.3% |
| Q4 2020 | 159 | 91.5% | $1.2B | 71.0% |
| Q4 2021 | 157 | 87.0% | $1.1B | 62.3% |
| Q4 2022 | 174 | 88.5% | $1.0B | 59.1% |
| Q4 2023 | 223 | 92.0% | $1.6B | 58.2% |
| Q4 2024 | 355 | 94.5% | $3.9B | 53.8% |
| Q4 2025 | 476 | 104.5% | $7.0B | 51.9% |
| Q2 2026 | 438 | 100.8% | $5.4B | 55.0% |
From SEC Form 13F, every quarter since the end of 2019, read like the current quarter: entities of a house summed, a value contradicting its share count set aside. The share of the company is an upper bound — two managers can declare the same shares — over the shares outstanding at that date.