Vanguard Portfolio Management
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Vanguard Portfolio Management’s Primoris Services PRIM Stock Holding History

Vanguard Portfolio Management’s Portfolio PRIM Stock Details PRIM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$203M Sell
2,725,842
-397,514
-13% -$32.1M 0.01% 1170
2026
Q2 		$310M Sell
3,123,356
-530,560
-15% -$69.8M 0.01% 965
2026
Q1 		$523M Buy
+3,653,916
New +$535M 0.03% 655

Other funds holding PRIM

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 38.25% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Nordea Investment Management
Nordea Investment Management Stockholm, Sweden $127B AUM 33.25% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Van Berkom & Associates
Van Berkom & Associates Montreal, Quebec, Canada $2.81B AUM 6.02% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return

Vanguard Portfolio Management's PRIM Position: Q3 2026 in Review

Vanguard Portfolio Management reduced its Primoris Services (PRIM) stake by 13% in Q3 2026, selling an estimated $32.1M and leaving 2,725,842 shares worth $203M. The position accounts for 0.01% of the portfolio, ranked #1170.

Vanguard Portfolio Management first reported a position in PRIM in Q1 2026 and has held it in 3 quarters since. The position peaked at $523M in Q1 2026. 310 funds tracked by Wall St. Rank hold PRIM as of Q3 2026.

  • Vanguard Portfolio Management held 2,725,842 shares of Primoris Services worth $203M as of Q3 2026.
  • Vanguard Portfolio Management sold 397,514 Primoris Services shares in Q3 2026, an estimated $32.1M.
  • Primoris Services made up 0.01% of Vanguard Portfolio Management's portfolio in Q3 2026, its #1170 holding.
  • Vanguard Portfolio Management first reported a position in Primoris Services in Q1 2026 and has held it in 3 quarters since.
  • Vanguard Portfolio Management's Primoris Services position peaked at $523M in Q1 2026.
  • 310 funds tracked by Wall St. Rank held Primoris Services as of Q3 2026.

Based on Vanguard Portfolio Management's 13F filing for Q3 2026, filed 13 Nov 2026.