Who owns PRIM?
Institutional ownership of Primoris Services Corporation from Form 13F, Q2 2026
449 institutional managers reported holding Primoris Services Corporation (PRIM) in Form 13F filings for Q2 2026, with 55,111,982 shares worth $5.4B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters cut a net 492,596 shares (-0.9%). 111 opened new positions and 170 sold out.
- Funds holding
- 449
- Value held
- $5.4B
- New / sold out
- 111 / 170
- Net shares, same filers
- -0.9%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of PRIM
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| BlackRock, Inc. | $678M | 12.4% | 6,837,017 | Trimmed |
| Wellington Management Group LLP | $463M | 8.5% | 4,675,487 | Added |
| Vanguard Portfolio Management LLC | $310M | 5.7% | 3,123,356 | Trimmed |
| Vanguard Capital Management LLC | $233M | 4.3% | 2,355,491 | Added |
| First Trust Advisors LP | $222M | 4.1% | 2,234,728 | Trimmed |
| State Street Corp | $180M | 3.3% | 1,814,143 | Trimmed |
| Millennium Management LLC | $148M | 2.7% | 1,492,740 | Added |
| Southpoint Capital Advisors LP | $139M | 2.5% | 1,400,000 | New |
| Morgan Stanley | $127M | 2.3% | 1,284,470 | Added |
| Dimensional Fund Advisors LP | $117M | 2.1% | 1,184,542 | Added |
| Geode Capital Management, LLC | $109M | 2.0% | 1,098,315 | Trimmed |
| American Century Companies Inc | $87.7M | 1.6% | 884,645 | Trimmed |
| Point72 Asset Management, L.P. | $86.9M | 1.6% | 876,484 | New |
| Nordea Investment Management AB | $86.2M | 1.6% | 887,332 | Added |
| Invesco Ltd. | $84.0M | 1.5% | 847,692 | Trimmed |
| Westfield Capital Management Co LP | $73.1M | 1.3% | 737,493 | Trimmed |
| FMR LLC | $63.2M | 1.2% | 637,265 | Trimmed |
| Charles Schwab Investment Management Inc | $55.0M | 1.0% | 554,587 | Trimmed |
| UBS Group AG | $54.0M | 1.0% | 544,654 | Trimmed |
| Norges Bank | $51.3M | 0.9% | 517,320 | New |
| Van Berkom & Associates Inc. | $50.5M | 0.9% | 509,157 | Trimmed |
| Frontier Capital Management Co LLC | $46.5M | 0.9% | 468,762 | New |
| Nuveen, LLC | $45.9M | 0.8% | 462,954 | Added |
| Madison Avenue Partners, LP | $45.8M | 0.8% | 462,058 | New |
| Mackenzie Financial Corp | $45.8M | 0.8% | 461,847 | Added |
Share of 13F holdings is each fund's shares as a share of the 55,111,982 PRIM shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Wellington Management Group LLP Added+$277M
- Southpoint Capital Advisors LP New+$139M
- Millennium Management LLC Added+$108M
- Point72 Asset Management, L.P. New+$86.9M
- Nordea Investment Management AB Added+$80.7M
- Morgan Stanley Added+$72.2M
- Norges Bank New+$51.3M
- Frontier Capital Management Co LLC New+$46.5M
- Madison Avenue Partners, LP New+$45.8M
- Electron Capital Partners, LLC New+$41.1M
Biggest sellers in Q2 2026
- Fuller & Thaler Asset Management, Inc. Sold out-$424M
- BlackRock, Inc. Trimmed-$149M
- Artemis Investment Management LLP Sold out-$126M
- Alliancebernstein L.p. Trimmed-$93.5M
- Congress Asset Management Co Trimmed-$80.5M
- First Trust Advisors LP Trimmed-$64.6M
- Price T Rowe Associates Inc Trimmed-$60.0M
- Invesco Ltd. Trimmed-$54.4M
- Vanguard Portfolio Management LLC Trimmed-$52.6M
- Merewether Investment Management, LP Trimmed-$45.9M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $1.7B and sold $2.1B; 128 added and 156 trimmed.
Schedule 13D and 13G filings on PRIM
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-08-13WELLINGTON MANAGEMENT GROUP LLP SCHEDULE 13G filed by Primoris Services CorporationSchedule 13G
- 2026-04-27FIRST TRUST PORTFOLIOS LP SCHEDULE 13G filed by Primoris Services CorporationSchedule 13G
- 2025-09-05FULLER & THALER ASSET MANAGEMENT, INC. SCHEDULE 13G filed by Primoris Services CorporationSchedule 13G
Questions about PRIM ownership
- Who owns PRIM stock?
- 449 institutional investment managers reported PRIM positions in their Form 13F filings for Q2 2026, holding 55,111,982 shares worth $5.4B in total. BlackRock, Inc. reported the largest position.
- Are funds buying or selling PRIM?
- In Q2 2026, 111 managers opened new PRIM positions, 128 added, 156 trimmed and 170 sold out. Managers that filed in both quarters sold a net 492,596 shares.
- How current is this PRIM institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to PRIM by CUSIP. Options are left out. PRIM news and filings · PRIM insider trades · Top funds