PRIM · NYSE · Engineering & Construction

Primoris Services (PRIM)

Builds and maintains utility, renewable-power, industrial-energy, and transportation infrastructure across North America.

$74.82
vs last close−1.50 (−1.97%)

13F · 13D/G · Form 4

Institutions≈ 105.05%56.55M shares
474 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail
Insiders0.95%509.7K shares
15 holders · as of Aug 12, 2026
Adds to106.00%

53.83M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.

These groups come from separate filings that can overlap, so they add to 106.00%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
12.70%6.84Mas of Jun 30, 2026
Wellington Management Group LLPInstitution
8.69%4.68Mas of Jun 30, 2026
First Trust Portfolios L.P.Institution
6.32%3.40Mfiled Apr 27, 2026
Vanguard Portfolio Management LLCInstitution
5.80%3.12Mas of Jun 30, 2026
Barrow, Hanley, Mewhinney & Strauss, LLCInstitution
5.71%3.07Mfiled Feb 9, 2017
Fuller & Thaler Asset Management, Inc.Institution
5.30%2.85Mfiled Sep 5, 2025
Vanguard Capital Management LLCInstitution
4.38%2.36Mas of Jun 30, 2026
First Trust Advisors LPInstitution
4.15%2.23Mas of Jun 30, 2026
State Street CorpInstitution
3.37%1.81Mas of Jun 30, 2026
Millennium Management LLCInstitution
2.77%1.49Mas of Jun 30, 2026
Southpoint Capital Advisors LPInstitution
2.60%1.40Mas of Jun 30, 2026
Morgan StanleyInstitution
2.39%1.28Mas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
2.20%1.18Mas of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.04%1.10Mas of Jun 30, 2026
Nordea Investment Management ABInstitution
1.65%887,332as of Jun 30, 2026
American Century Companies IncInstitution
1.64%884,645as of Jun 30, 2026
Point72 Asset Management, L.P.Institution
1.63%876,484as of Jun 30, 2026
Invesco Ltd.Institution
1.57%847,692as of Jun 30, 2026
Westfield Capital Management Co LPInstitution
1.37%737,493as of Jun 30, 2026
Grandeur Peak Global Advisors, LLCInstitution
1.34%722,440as of Jun 30, 2026
FMR LLCInstitution
1.18%637,265as of Jun 30, 2026
Charles Schwab Investment Management IncInstitution
1.03%554,587as of Jun 30, 2026
Sixth Street Partners Management Company, L.P.Institution
1.03%554,587as of Jun 30, 2026
UBS Group AGInstitution
1.01%544,654as of Jun 30, 2026
Norges BankInstitution
0.96%517,320as of Jun 30, 2026

13F, as of Jun 30, 2026

474 holders · 56.55M shares · 120 new positions · 249 increased · 165 reduced · 179 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.6.84M12.70%−1.50MAug 7, 2026
Wellington Management Group LLP4.68M8.69%+2.80MAug 14, 2026
Vanguard Portfolio Management LLC3.12M5.80%−530.6KAug 13, 2026
Vanguard Capital Management LLC2.36M4.38%+19.7KAug 13, 2026
First Trust Advisors LP2.23M4.15%−651.4KAug 11, 2026
State Street Corp1.81M3.37%−249.4KAug 7, 2026
Millennium Management LLC1.49M2.77%+1.09MAug 14, 2026
Southpoint Capital Advisors LP1.40M2.60%+1.40MnewAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
BlackRock, Inc.14.70%7.93M13GJan 8, 2026
Wellington Management Group LLP8.60%4.68M13GAug 13, 2026
Vanguard Portfolio Management6.82%3.70M13GApr 29, 2026
First Trust Portfolios L.P.6.27%3.40M13GApr 27, 2026
Fuller & Thaler Asset Management, Inc.5.28%2.85M13GSep 5, 2025
Vanguard Capital Management5.04%2.74M13GApr 30, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jul 15, 2026
Terry D. Mccallisterdirector
Purchase20$86.6621,144
May 27, 2026
Koti Vadlamudidirector, officer: PRESIDENT & CEO
Purchase7,815$127.967,815
May 28, 2026
John M. Perisichofficer: CHIEF LEGAL AND ADMIN OFFICER
Sale · 6 lots29,707$127.860
May 26, 2026
David Lee Kingdirector
Sale · 3 lots20,000$119.0914,941
Apr 15, 2026
Terry D. Mccallisterdirector
Purchase10$164.4020,857
Jan 15, 2026
Terry D. Mccallisterdirector
Purchase12$138.0020,552
Dec 11, 2025
John P. Schauermandirector
Sale7,815$136.0074,466
Dec 8, 2025
Carla S. Mashinskidirector
Sale2,082$135.1421,530
Nov 10, 2025
David Lee Kingdirector, officer: INTERIM PRESIDENT & CEO
Sale3,500$130.0021,302
Nov 7, 2025
Patricia K. Wagnerdirector
Sale13,491$125.234,495

House and Senate disclosures

MemberTypeAmountOwnerTradedDisclosed
Rep. Gilbert Cisneros · CA31Sale$1,001 – $15,000May 8, 2026Jun 9, 2026