PRIMORIS SERVICES CORP (PRIM) Institutional Ownership Changes & 13F Activity
PRIMORIS SERVICES CORP (PRIM). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Millennium Management Llc, Alyeska Investment Group, L.P., Qube Research & Technologies Ltd, D. E. Shaw & Co., Inc., and Jacobs Levy Equity Management, Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Op Asset Management Ltd | Sell | -3,714 | -37.3% | 6,232 | $891.42K | Q1 2026 | Sep 28, 2026 |
| M&T Bank Corp | Sell | -7,426 | -65.9% | 3,843 | $549.38K | Q1 2026 | Sep 04, 2026 |
| Algert Global Llc | Sell | -26,483 | -9.3% | 257,265 | $36.80M | Q1 2026 | Aug 11, 2026 |
| Wells Fargo & Company/Mn | Sell | -108,770 | -30.9% | 242,970 | $34.75M | Q1 2026 | Jul 08, 2026 |
| Mcilrath & Eck, Llc | Sell | -132 | -47.7% | 145 | $20.74K | Q1 2026 | May 19, 2026 |
| Intrinsic Edge Capital Management Llc | Sell | -31,499 | -44.5% | 39,224 | $5.61M | Q1 2026 | May 18, 2026 |
| Bank Of America Corp | Buy | +13,617 | +4.4% | 324,887 | $46.47M | Q1 2026 | May 18, 2026 |
| California State Teachers Retirement System | Buy | +11,485 | +22.4% | 62,780 | $8.98M | Q1 2026 | May 18, 2026 |
| South Dakota Investment Council | Buy | +7,800 | — | 7,800 | $1.12M | Q1 2026 | May 18, 2026 |
| Amundi | Buy | +4,956 | +183.1% | 7,662 | $1.10M | Q1 2026 | May 18, 2026 |
| Altshuler Shaham Ltd | Buy | +826 | — | 826 | $3.02K | Q1 2026 | May 18, 2026 |
| Smith Group Asset Management, Llc | Buy | +413 | +4.6% | 9,428 | $1.35M | Q1 2026 | May 18, 2026 |
| Arkadios Wealth Advisors | Buy | +28 | +1.5% | 1,864 | $266.59K | Q1 2026 | May 18, 2026 |
| Millennium Management Llc | Buy | +399,037 | +22582.7% | 400,804 | $57.33M | Q1 2026 | May 15, 2026 |
| Alyeska Investment Group, L.P. | Buy | +296,815 | — | 296,815 | $42.46M | Q1 2026 | May 15, 2026 |
| Qube Research & Technologies Ltd | Sell | -293,129 | -89.5% | 34,506 | $4.94M | Q1 2026 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -280,171 | -47.4% | 311,126 | $44.50M | Q1 2026 | May 15, 2026 |
| Jacobs Levy Equity Management, Inc | Sell | -207,872 | -38.6% | 330,473 | $47.27M | Q1 2026 | May 15, 2026 |
| Price T Rowe Associates Inc | Buy | +179,978 | +33.7% | 714,521 | $102.21M | Q1 2026 | May 15, 2026 |
| Citadel Advisors Llc | Buy | +144,609 | +104.9% | 282,418 | $40.40M | Q1 2026 | May 15, 2026 |
| Wellington Management Group Llp | Buy | +133,397 | +7.6% | 1,879,600 | $268.86M | Q1 2026 | May 15, 2026 |
| Geode Capital Management, Llc | Buy | +131,078 | +9.9% | 1,456,181 | $208.33M | Q1 2026 | May 15, 2026 |
| Goldman Sachs Group Inc | Buy | +131,058 | +21.4% | 743,212 | $106.31M | Q1 2026 | May 15, 2026 |
| Alliancebernstein L.P. | Sell | -126,321 | -15.6% | 683,386 | $84.84M | Q1 2026 | May 15, 2026 |
| Kr Capital Lp | Buy | +117,557 | — | 117,557 | $16.82M | Q1 2026 | May 15, 2026 |
| Merewether Investment Management, Lp | Sell | -106,861 | -13.7% | 674,839 | $96.53M | Q1 2026 | May 15, 2026 |
| Voloridge Investment Management, Llc | Buy | +95,638 | — | 95,638 | $13.68M | Q1 2026 | May 15, 2026 |
| Lazard Asset Management Llc | Sell | -91,992 | -47.3% | 102,639 | $14.68M | Q1 2026 | May 15, 2026 |
| Canada Pension Plan Investment Board | Sell | -91,100 | -95.8% | 4,000 | $572.16K | Q1 2026 | May 15, 2026 |
| Barclays Plc | Sell | -76,547 | -82.4% | 16,331 | $2.34M | Q1 2026 | May 15, 2026 |
Frequently asked questions about PRIM activity
Which institutional owners are buying PRIM?
Institutional owners buying PRIM include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in PRIM activity?
"Buy" means an investor increased their reported position in PRIM compared to the prior reporting period. This reflects growing exposure to PRIMORIS SERVICES CORP (PRIM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in PRIM increasing?
Institutional interest in PRIM can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related PRIM Institutional Insights
- PRIM Overview
- PRIM 13F Institutional Holders
- PRIM Superinvestors
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- PRIM Insider Trading & SEC Form 4 Activity
- PRIM Articles
- Top Institutional Investor Stock Rankings