Who owns Primoris Services Corporation?
Institutional ownership of PRIM from SEC Form 13F filings across 289 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
289
13F holders
$4.04B
value, 2026 filers
76.5%
of shares outstanding (41.5M sh)
69
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of PRIM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.8M | $677.7M | 0.0% | 12.6% | -18.0% |
| 2 | WELLINGTON MANAGEMENT GROUP LLP | 4.7M | $463.4M | 0.1% | 8.6% | +148.7% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.1M | $309.6M | 0.0% | 5.8% | -14.5% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | $233.5M | 0.0% | 4.3% | -49.6% |
| 5 | FIRST TRUST ADVISORS LP | 2.2M | $221.5M | 0.1% | 4.1% | -22.6% |
| 6 | MILLENNIUM MANAGEMENT LLC | 1.5M | $148.0M | 0.1% | 2.8% | +272.4% |
| 7 | MORGAN STANLEY | 1.3M | $127.3M | 0.0% | 2.4% | +131.1% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $108.9M | 0.0% | 2% | -24.6% |
| 9 | NORDEA INVESTMENT MANAGEMENT AB | 887,332 | $86.2M | 0.1% | 1.6% | +1481.6% |
| 10 | AMERICAN CENTURY COMPANIES INC | 884,645 | $87.7M | 0.0% | 1.6% | -17.9% |
| 11 | Point72 Asset Management, L.P.NEW | 876,484 | $86.9M | 0.1% | 1.6% | new |
| 12 | Invesco Ltd. | 847,692 | $84.0M | 0.0% | 1.6% | -39.3% |
| 13 | FMR LLC | 637,265 | $63.2M | 0.0% | 1.2% | -9.7% |
| 14 | Sixth Street Partners Management Company, L.P.NEW | 554,587 | $55.0M | 9.5% | 1% | new |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 554,587 | $55.0M | 0.0% | 1% | -18.9% |
| 16 | UBS Group AG | 544,654 | $54.0M | 0.0% | 1% | -8.5% |
| 17 | NORGES BANKNEW | 517,320 | $51.3M | 0.0% | 1% | new |
| 18 | Nuveen, LLC | 462,954 | $45.9M | 0.0% | 0.9% | +68.9% |
| 19 | MACKENZIE FINANCIAL CORP | 461,847 | $45.8M | 0.0% | 0.9% | +50.3% |
| 20 | FEDERATED HERMES, INC. | 445,283 | $44.1M | 0.1% | 0.8% | +7.3% |
| 21 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 431,182 | $42.7M | 0.1% | 0.8% | +1.9% |
| 22 | GOLDMAN SACHS GROUP INC | 430,630 | $42.7M | 0.0% | 0.8% | -42.1% |
| 23 | Public Sector Pension Investment Board | 409,608 | $40.6M | 0.1% | 0.8% | +44.5% |
| 24 | JPMORGAN CHASE & CO | 403,699 | $39.5M | 0.0% | 0.7% | -34.1% |
| 25 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCNEW | 399,966 | $39.6M | 0.1% | 0.7% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.