PRIMPrimoris Services Corporation

$78.16

Who owns PRIM

501 institutions reported holding PRIM for 2026Q1, together 101% of the company, more than the 477 a quarter earlier.

501

Institutions reporting a position · as of 2026Q1 · up from 477 the quarter before

Shares held by institutions
55.1M

Shares held by institutions · 101% of the company · long US equity positions only, as reported on Form 13F

Reported value
$7.86B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
41%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
88
Positions exited
68
Added to
155
Reduced
177
Top 10 holdersof the company
54%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q150155.1M$7.86B
2025Q447756.4M$7.01B
2025Q344850.5M$6.93B
2025Q238552.5M$4.10B
2025Q136853.5M$3.04B
2024Q435850.8M$3.88B
2024Q330050.2M$2.93B
2024Q229250.6M$2.53B
2024Q123649.6M$2.10B
2023Q422549.1M$1.63B
2023Q319248.4M$1.58B
2023Q217648.1M$1.46B
2023Q116848.0M$1.18B
2022Q417847.0M$1.03B
2022Q317547.1M$766M
2022Q215448.9M$1.06B
Largest reported holders, 2026Q1
HolderShares% of companyValue
BlackRock Inc.8.3M15%$1.19B
VANGUARD GROUP INC6.4M12%$922M
FULLER & THALER ASSET MANAGEMENT, INC.3.0M5.4%$424M
FIRST TRUST ADVISORS LP2.9M5.3%$413M
STATE STREET CORP2.1M3.8%$295M
WELLINGTON MANAGEMENT GROUP LLP1.9M3.4%$269M
GEODE CAPITAL MANAGEMENT LLC1.5M2.7%$208M
Invesco Ltd.1.4M2.5%$200M
DIMENSIONAL FUND ADVISORS LP1.2M2.1%$166M
AMERICAN CENTURY COMPANIES INC1.1M2.0%$154M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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