PRIMORIS SERVICES CORP (PRIM) Institutional Shareholders
PRIMORIS SERVICES CORP (PRIM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $5.40B in PRIM holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of PRIM tracked by InsiderSet, reporting ownership valued at approximately $677.69M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $527.34M, representing an estimated loss of -22.19% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 48% of the total disclosed PRIM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Wellington Management Group Llp, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in PRIMORIS SERVICES CORP (PRIM).
This page ranks the largest institutional PRIM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
433
Total Reported Value
$5.40B
Largest Holder
Blackrock, Inc.
Largest Position
$677.69M
Insider Transactions (90d)
9
Latest Filing Quarter
Q2 2026
New Institutional Positions
75
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 6,837,017 | $677,685,116 | $527,339,121 | -$150,345,995 | -22.19% | |
| Wellington Management Group Llp | 0.08% | 4,675,487 | $463,434,272 | $360,620,312 | -$102,813,960 | -22.19% | |
| Vanguard Portfolio Management Llc | 0.01% | 3,123,356 | $309,587,047 | $240,904,448 | -$68,682,599 | -22.19% | |
| Vanguard Capital Management Llc | 0.00% | 2,355,491 | $233,476,268 | $181,679,021 | -$51,797,247 | -22.19% | |
| First Trust Advisors Lp | 0.13% | 2,234,728 | $221,506,239 | $172,364,571 | -$49,141,668 | -22.19% | |
| State Street Corp | 0.01% | 1,814,143 | $179,951,200 | $139,924,850 | -$40,026,350 | -22.24% | |
| Millennium Management Llc | 0.10% | 1,492,740 | $147,960,389 | $115,135,036 | -$32,825,353 | -22.19% | |
| Southpoint Capital Advisors Lp | 3.16% | 1,400,000 | $138,768,000 | $107,982,000 | -$30,786,000 | -22.19% | |
| Morgan Stanley | 0.01% | 1,284,470 | $127,316,735 | $99,071,171 | -$28,245,564 | -22.19% | |
| Dimensional Fund Advisors Lp | 0.02% | 1,184,542 | $117,405,201 | $91,363,724 | -$26,041,477 | -22.18% | |
| Geode Capital Management, Llc | 0.01% | 1,098,315 | $108,890,408 | $84,713,036 | -$24,177,372 | -22.20% | |
| American Century Companies Inc | 0.04% | 884,645 | $87,686,158 | $68,232,669 | -$19,453,489 | -22.19% | |
| Point72 Asset Management, L.P. | 0.13% | 876,484 | $86,877,094 | $67,603,211 | -$19,273,883 | -22.19% | |
| Nordea Investment Management Ab | 0.07% | 887,332 | $86,195,430 | $68,439,917 | -$17,755,513 | -20.60% | |
| Invesco Ltd. | 0.01% | 847,692 | $84,023,232 | $65,382,484 | -$18,640,748 | -22.19% | |
| Westfield Capital Management Co Lp | 0.24% | 737,493 | $73,100,306 | $56,882,835 | -$16,217,471 | -22.19% | |
| Fmr Llc | 0.00% | 637,265 | $63,165,726 | $49,152,249 | -$14,013,477 | -22.19% | |
| Charles Schwab Investment Management Inc | 0.01% | 554,587 | $54,970,663 | $42,775,295 | -$12,195,368 | -22.19% | |
| Ubs Group Ag | 0.01% | 544,654 | $53,986,105 | $42,009,163 | -$11,976,942 | -22.19% | |
| Norges Bank | 0.01% | 517,320 | $51,276,758 | $39,900,892 | -$11,375,866 | -22.19% | |
| Van Berkom & Associates Inc. | 1.63% | 509,157 | $50,468,000 | $39,271,279 | -$11,196,721 | -22.19% | |
| Frontier Capital Management Co Llc | 0.43% | 468,762 | $46,463,733 | $36,155,613 | -$10,308,120 | -22.19% | |
| Nuveen, Llc | 0.01% | 462,954 | $45,887,908 | $35,707,642 | -$10,180,266 | -22.19% | |
| Madison Avenue Partners, Lp | 1.97% | 462,058 | $45,799,189 | $35,638,534 | -$10,160,655 | -22.19% | |
| Mackenzie Financial Corp | 0.05% | 461,847 | $45,778,275 | $35,622,259 | -$10,156,016 | -22.19% | |
| Federated Hermes, Inc. | 0.06% | 445,283 | $44,136,455 | $34,344,678 | -$9,791,777 | -22.19% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.05% | 431,182 | $42,737,605 | $33,257,068 | -$9,480,537 | -22.18% | |
| Goldman Sachs Group Inc | 0.00% | 430,630 | $42,684,049 | $33,214,492 | -$9,469,557 | -22.19% | |
| Electron Capital Partners, Llc | 1.64% | 415,103 | $41,145,010 | $32,016,894 | -$9,128,116 | -22.19% | |
| William Blair Investment Management, Llc | 0.12% | 399,966 | $39,644,630 | $30,849,378 | -$8,795,252 | -22.19% | |
| Value Holdings Management Co. Llc | 6.62% | 399,443 | $39,593,000 | $30,809,039 | -$8,783,961 | -22.19% | |
| Jpmorgan Chase & Co | 0.00% | 403,699 | $39,497,137 | $31,137,304 | -$8,359,833 | -21.17% | |
| Cooper Creek Partners Management Llc | 1.61% | 388,858 | $38,544,000 | $29,992,618 | -$8,551,382 | -22.19% | |
| Hennessy Advisors Inc | 1.22% | 384,500 | $38,111,640 | $29,656,485 | -$8,455,155 | -22.19% | |
| Bruni J V & Co | 3.45% | 380,845 | $37,749,356 | $29,374,575 | -$8,374,781 | -22.19% | |
| Yaupon Capital Management Lp | 1.21% | 366,972 | $36,374,265 | $28,304,550 | -$8,069,715 | -22.19% | |
| Principal Financial Group Inc | 0.02% | 347,875 | $34,481,371 | $26,831,599 | -$7,649,772 | -22.19% | |
| Vanguard Fiduciary Trust Co | 0.01% | 341,084 | $33,808,246 | $26,307,809 | -$7,500,437 | -22.19% | |
| Vontobel Holding Ltd. | 0.11% | 337,666 | $33,469,455 | $26,044,179 | -$7,425,276 | -22.19% | |
| Bank Of New York Mellon Corp | 0.01% | 322,562 | $31,972,361 | $24,879,207 | -$7,093,154 | -22.19% | |
| Northern Trust Corp | 0.00% | 319,977 | $31,716,121 | $24,679,826 | -$7,036,295 | -22.19% | |
| Citadel Advisors Llc | 0.02% | 302,368 | $29,970,716 | $23,321,644 | -$6,649,072 | -22.19% | |
| Schroder Investment Management Group | 0.02% | 303,302 | $29,468,822 | $23,393,683 | -$6,075,139 | -20.62% | |
| Marshall Wace, Llp | 0.02% | 294,605 | $29,201,248 | $22,722,884 | -$6,478,364 | -22.19% | |
| Jacobs Levy Equity Management, Inc | 0.10% | 281,166 | $27,869,174 | $21,686,334 | -$6,182,840 | -22.19% | |
| Canada Pension Plan Investment Board | 0.01% | 248,068 | $24,588,500 | $19,133,485 | -$5,455,015 | -22.19% | |
| Merewether Investment Management, Lp | 0.40% | 211,913 | $21,004,817 | $16,344,850 | -$4,659,967 | -22.19% | |
| Ameriprise Financial Inc | 0.00% | 209,065 | $20,721,411 | $16,125,183 | -$4,596,228 | -22.18% | |
| Susquehanna International Group, Llp | 0.02% | 206,405 | $20,458,864 | $15,920,018 | -$4,538,846 | -22.19% | |
| Public Sector Pension Investment Board | 0.05% | 204,804 | $20,300,172 | $15,796,533 | -$4,503,639 | -22.19% |
Frequently asked questions about PRIM
Who owns the most PRIM stock?
The largest holders of PRIM are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for PRIMORIS SERVICES CORP (PRIM).
Is PRIM widely held by superinvestors?
Many widely followed stocks like PRIM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly PRIM is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.