Primoris Services Corp
PRIM- Exchange
- NYSE
- Industry
- Water, Sewer, Pipeline, Comm & Power Line Construction
- SEC CIK
- 0001361538
In the last 90 days, Primoris Services Corp insiders filed 1 open-market purchase and 0 sales; 452 institutions reported holding it in 13F filings for Q2 2026, worth $5.44B in total; Soros Fund Management is the only superinvestor holding it.
Holders of 5% or more of PRIM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Primoris Services Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 11.70%6.37M shares | −3.00 ppfrom 14.70% | Apr 24, 20253 filings | Jul 29, 2026 | SEC |
| Wellington Management Group LLP | 13G | 8.60%4.68M shares | – | Feb 4, 20215 filings | Aug 13, 2026 | SEC |
| First Trust Portfolios LP | 13G | 6.27%3.40M shares | New | Apr 27, 20261 filing | Apr 27, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G/A | 5.76%3.13M shares | −1.06 ppfrom 6.82% | Apr 29, 20262 filings | Jul 31, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.04%2.74M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
34 Schedule 13D and 13G filings on Primoris Services Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20265:26 PM ET | Fuller & Thaler Asset Management, Inc. | 13G/A | 0.00%1.91K shares | −5.28 ppfrom 5.28%Below 5% | Jun 30, 2026 | SEC |
| Aug 13, 20264:05 PM ET | Wellington Management Group LLPand 3 others | 13G | 8.60%4.68M shares | – | Jun 30, 2026 | SEC |
| Jul 31, 202611:39 AM ET | Vanguard Portfolio Management LLC | 13G/A | 5.76%3.13M shares | −1.06 ppfrom 6.82% | Jun 30, 2026 | SEC |
| Jul 29, 20263:19 PM ET | BlackRock, Inc. | 13G/A | 11.70%6.37M shares | −3.00 ppfrom 14.70% | Jun 30, 2026 | SEC |
| Apr 30, 202612:04 PM ET | Vanguard Capital Management LLC | 13G | 5.04%2.74M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 20262:47 PM ET | Vanguard Portfolio Management LLC | 13G | 6.82%3.70M shares | New | Mar 31, 2026 | SEC |
| Apr 27, 202612:58 PM ET | First Trust Portfolios LPand 2 others | 13G | 6.27%3.40M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 202611:20 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Jan 8, 20261:28 PM ET | BlackRock, Inc. | 13G/A | 14.70%7.93M shares | +6.90 ppfrom 7.80% | Dec 31, 2025 | SEC |
| Oct 9, 20251:48 PM ET | Dimensional Fund Advisors LP | 13G/A | 2.80%1.50M shares | −2.70 ppfrom 5.50%Below 5% | Sep 30, 2025 | SEC |
| Sep 5, 20251:53 PM ET | Fuller & Thaler Asset Management, Inc. | 13G | 5.28%2.85M shares | New | Aug 31, 2025 | SEC |
| Apr 24, 20258:59 AM ET | BlackRock, Inc. | 13G/A | 7.80%4.18M shares | – | Mar 31, 2025 | SEC |
| Apr 15, 202512:18 PM ET | Dimensional Fund Advisors LP | 13G/A | 5.50%2.99M shares | – | Mar 31, 2025 | SEC |
| Nov 12, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Nov 4, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jul 10, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2024 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2024 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Jan 8, 20244:35 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Dimensional Fund Advisors LP | 13GOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 6, 2023 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Jan 25, 202310:36 AM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| Nov 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2022 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2022 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Feb 2, 20227:11 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jul 12, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Dimensional Fund Advisors LP | 13GOld format | – | New | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2021 | Wellington Management Group LLP | 13GOld format | – | New | – | SEC |
| Jan 29, 20215:23 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
66 notices from officers, directors and other affiliates planning to sell Primoris Services Corp shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Jun 3, 20263:55 PM ET | Vorderbruggen AnthonyOfficer | 2.10K | $262.9K | Jun 3, 2026 | RBC CAPITAL MARKETS LLC | SEC |
| May 29, 20262:42 PM ET | Vorderbruggen AnthonyOfficer | 6.62K | $830.0K | May 29, 2026 | RBC CAPITAL MARKETS LLC | SEC |
| May 28, 20263:52 PM ET | Perisich John M.Officer | 29.7K | $3.80M | May 28, 2026 | Fidelity Brokerage Services LLC | SEC |
| May 26, 20263:56 PM ET | King David LeeDirector | 20.0K | $2.38M | May 26, 2026 | RBC CAPITAL MARKETS LLC | SEC |
| May 7, 20261:31 PM ET | Vorderbruggen AnthonyOfficer | 900 | $97.2K | May 7, 2026 | Fidelity Brokerage Services LLC | SEC |
| Dec 11, 20253:08 PM ET | Schauerman John P.Director | 7.82K | $1.06M | Dec 11, 2025 | Fidelity Brokerage Services LLC | SEC |
| Dec 8, 20251:50 PM ET | Mashinski Carla SDirector | 2.08K | $281.1K | Dec 8, 2025 | Charles Schwab Corp. | SEC |
| Nov 10, 20254:42 PM ET | King David LeeDirector | 3.50K | $455.0K | Nov 10, 2025 | RBC CAPITAL MARKETS LLC | SEC |
| Nov 7, 20254:08 PM ET | Wagner Patricia KDirector | 13.5K | $1.69M | Nov 7, 2025 | Fidelity Brokerage Services LLC | SEC |
| Sep 15, 20254:01 PM ET | Moncrief Jeremy HeathOfficer | 2.42K | $297.9K | Sep 15, 2025 | Fidelity Brokerage Services LLC | SEC |
| Sep 15, 20251:37 PM ET | Kinch JeremyOfficer | 3.01K | $372.7K | Sep 15, 2025 | Fidelity Brokerage Services LLC | SEC |
| Sep 11, 202511:33 AM ET | Ching Michael E.Director | 2.94K | $351.9K | Sep 11, 2025 | Fidelity Brokerage Services LLC | SEC |
| Aug 25, 202511:06 AM ET | Vorderbruggen AnthonyOfficer | 611 | $70.4K | Aug 25, 2025 | Fidelity Brokerage Services LLC | SEC |
| Aug 12, 20254:07 PM ET | Schauerman Family TrustBoard Member | 20.0K | $2.28M | Aug 12, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 11, 20258:17 PM ET | John M PerisichAffiliate | 11.6K | $1.29M | Aug 11, 2025 | J.P. Morgan Securities LLC | SEC |
| Aug 7, 20251:32 PM ET | Stricker TravisOfficer | 4.63K | $516.5K | Aug 7, 2025 | Fidelity Brokerage Services LLC | SEC |
| Aug 6, 20254:23 PM ET | Perisich John M.Officer | 15.7K | $1.72M | Aug 6, 2025 | Fidelity Brokerage Services LLC | SEC |
| Jun 24, 20254:16 PM ET | Schauerman Family TrustBoard Member | 15.0K | $1.16M | Jun 24, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 14, 202510:15 AM ET | Cook Stephen C.Director | 2.09K | $148.1K | May 14, 2025 | Northern Trust Securites, Inc | SEC |
| May 8, 20253:54 PM ET | Cook Stephen C.Director | 800 | $55.9K | May 8, 2025 | Fidelity Brokerage Services LLC | SEC |
| May 6, 20253:19 PM ET | McCormick Thomas EdwardAffiliate | 109.9K | $7.26M | May 6, 2025 | RBC CAPITAL MARKETS LLC | SEC |
| Mar 17, 20252:42 PM ET | McCormick Thomas EdwardDirector | 61.4K | $3.95M | Mar 17, 2025 | RBC CAPITALS MARKETS LLC | SEC |
| Mar 5, 20254:00 PM ET | Kinch JeremyOfficer | 4.50K | $307.1K | Mar 5, 2025 | Fidelity Brokerage Services LLC | SEC |
| Mar 4, 20254:59 PM ET | Cook Stephen C.Director | 998 | $67.9K | Mar 4, 2025 | Fidelity Brokerage Services LLC | SEC |
| Dec 12, 202412:15 PM ET | Stricker Travis LOfficer | 4.58K | $369.4K | Dec 12, 2024 | Charles Schwab & Co., Inc. | SEC |
Showing the latest 25. See the PRIM notices from the last 12 months