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GAMCO Investors’s Primoris Services PRIM Stock Holding History

GAMCO Investors’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
Q2 		$702K Sell
7,086
-1,962
-22% -$258K 0.01% 672
2026
Q1 		$1.29M Sell
9,048
-153
-2% -$22.4K 0.01% 587
2025
Q4 		$1.14M Sell
9,201
-1,324
-13% -$173K 0.01% 627
2025
Q3 		$1.45M Sell
10,525
-2,072
-16% -$222K 0.01% 586
2025
Q2 		$982K Buy
+12,597
New +$854K 0.01% 660

Other funds holding PRIM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
SCA
Southpoint Capital Advisors New York $4.4B AUM 49.36% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

GAMCO Investors's PRIM Position: Q2 2026 in Review

GAMCO Investors reduced its Primoris Services (PRIM) stake by 22% in Q2 2026, selling an estimated $258K and leaving 7,086 shares worth $702K. The position accounts for 0.01% of the portfolio, ranked #672.

GAMCO Investors first reported a position in PRIM in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.45M in Q3 2025. 449 funds tracked by Wall St. Rank hold PRIM as of Q2 2026.

  • GAMCO Investors held 7,086 shares of Primoris Services worth $702K as of Q2 2026.
  • GAMCO Investors sold 1,962 Primoris Services shares in Q2 2026, an estimated $258K.
  • Primoris Services made up 0.01% of GAMCO Investors's portfolio in Q2 2026, its #672 holding.
  • GAMCO Investors first reported a position in Primoris Services in Q2 2025 and has held it in 5 quarters since.
  • GAMCO Investors's Primoris Services position peaked at $1.45M in Q3 2025.
  • 449 funds tracked by Wall St. Rank held Primoris Services as of Q2 2026.

Based on GAMCO Investors's 13F filing for Q2 2026, filed 12 Aug 2026.