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Who owns Primoris Services (PRIM) stock

422 funds reported Primoris Services (PRIM) shares in their latest 13F filings, worth $6.0B in all. The largest holder is Vanguard Group ($804M). Last quarter 217 funds added to their stakes and 295 cut them. Members of Congress and other officials disclosed 6 trades (1 buys, 5 sales).

Largest holders of PRIM (13F)Largest holders of PRIM (13F)Vanguard Group$804MBlackRock$678MWellington Management Group LLP$463MVanguard Portfolio Management LLC$310MVanguard Capital Management LLC$233MFirst Trust Advisors LP$222MState Street$180MMillennium Management LLC$148MSouthpoint Capital Advisors LP$139MMorgan Stanley$127M

Largest holders (13F)

FundSharesValueChangeQuarter
Vanguard Group6,479,466$804Mincrease2025-12-31
BlackRock6,837,017$678Mdecrease2026-06-30
Wellington Management Group LLP4,675,487$463Mincrease2026-06-30
Vanguard Portfolio Management LLC3,123,356$310Mdecrease2026-06-30
Vanguard Capital Management LLC2,355,491$233Mincrease2026-06-30
First Trust Advisors LP2,234,728$222Mdecrease2026-06-30
State Street1,814,143$180Mdecrease2026-06-30
Millennium Management LLC1,492,740$148Mincrease2026-06-30
Southpoint Capital Advisors LP1,400,000$139Mnew2026-06-30
Morgan Stanley1,284,470$127Mincrease2026-06-30
Dimensional Fund Advisors LP1,184,542$117Mincrease2026-06-30
Geode Capital Management, LLC1,098,315$109Mdecrease2026-06-30
American Century Companies884,645$87.7Mdecrease2026-06-30
Point72 Asset Management, L.P.876,484$86.9Mnew2026-06-30
Nordea Investment Management AB887,332$86.2Mincrease2026-06-30

Trades by Congress and other officials

DateWhoTradeAmount
2026-05-08Gilbert Cisnerossale$1K–$15K
2026-03-03Gilbert Cisnerospurchase$1K–$15K
2026-02-18Gilbert Cisnerospartial sale$1K–$15K
2025-12-11Gilbert Cisnerospartial sale$1K–$15K
2025-11-24Gilbert Cisnerospartial sale$1K–$15K
2025-11-06Gilbert Cisnerospartial sale$1K–$15K

Primoris Services' latest quarter

Primoris Services, Q3 2026: revenue $2.0B (-10% year over year), operating margin 4.9%, net earnings $51.3M, operating cash flow $140M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most PRIM stock?

By the latest 13F filings: Vanguard Group ($804M); BlackRock ($678M); Wellington Management Group LLP ($463M); Vanguard Portfolio Management LLC ($310M); Vanguard Capital Management LLC ($233M).

Has Congress traded PRIM stock?

Officials disclosed 6 trades on file: 1 buys and 5 sales. The latest: Gilbert Cisneros, sale on 2026-05-08.

What is the short interest in PRIM?

4,807,850 shares were sold short at the 2026-10-15 settlement, -4.55% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.