| 0.01% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | $233.5M | +0.9% | 4.341% | 0.00% |
| 5 | FIRST TRUST ADVISORS LP | 2.2M | $221.5M | -22.6% | 4.119% | 0.13% |
| 6 | STATE STREET CORP | 1.8M | $180.0M | -12.1% | 3.344% | 0.00% |
| 7 | MILLENNIUM MANAGEMENT LLC | 1.5M | $148.4M | +273.5% | 2.759% | 0.05% |
| 8 | Southpoint Capital Advisors LP | 1.4M | $138.8M | — | 2.580% | 3.16% |
| 9 | MORGAN STANLEY | 1.3M | $127.3M | +131.1% | 2.368% | 0.01% |
| 10 | DIMENSIONAL FUND ADVISORS LP | 1.2M | $117.4M | +2.2% | 2.183% | 0.02% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $108.9M | -24.6% | 2.024% | 0.01% |
| 12 | Point72 Asset Management, L.P. | 890K | $88.2M | +3687.2% | 1.640% | 0.10% |
| 13 | AMERICAN CENTURY COMPANIES INC | 885K | $87.7M | -17.9% | 1.631% | 0.04% |
| 14 | NORDEA INVESTMENT MANAGEMENT AB | 887K | $86.2M | +1481.6% | 1.636% | 0.07% |
| 15 | Invesco Ltd. | 848K | $84.0M | -39.3% | 1.562% | 0.01% |
| 16 | WESTFIELD CAPITAL MANAGEMENT CO LP | 737K | $73.1M | -0.8% | 1.359% | 0.24% |
| 17 | FMR LLC | 637K | $63.2M | -9.7% | 1.175% | 0.00% |
| 18 | CITADEL ADVISORS LLC | 594K | $58.9M | +88.4% | 1.095% | 0.00% |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 555K | $55.0M | -18.9% | 1.022% | 0.01% |
| 20 | UBS Group AG | 545K | $54.0M | -8.6% | 1.004% | 0.01% |
| 21 | NORGES BANK | 517K | $51.3M | — | 0.954% | 0.01% |
| 22 | FRONTIER CAPITAL MANAGEMENT CO LLC | 469K | $46.5M | — | 0.864% | 0.43% |
| 23 | Nuveen, LLC | 463K | $45.9M | +68.9% | 0.853% | 0.01% |
| 24 | Madison Avenue Partners, LP | 462K | $45.8M | — | 0.852% | 1.97% |
| 25 | MACKENZIE FINANCIAL CORP | 462K | $45.8M | +50.3% | 0.851% | 0.05% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in PRIM — a direct measure of their conviction.
| 97.04% |
| +3.84 pp |
| $2.77B |
| 22% |
| Q4 2024 | 348 | +18% | 93.20% | +1.15 pp | $3.56B | +34% |
| Q3 2024 | 295 | — | 92.05% | — | $2.65B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
108 institutions opened new positions in PRIM during Q2 2026, while 166 fully exited. 73 added to existing positions and 256 trimmed.
PRIM institutional ownership rose by 2.62 percentage points quarter-over-quarter, with a net change of -53 holders.
The top 10 institutions account for 49.0% of all reported 13F value in PRIM, and the top 25 account for 67.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Primoris Services Corporation (PRIM) Institutional Ownership