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Castleark Management’s Primoris Services PRIM Stock Holding History

Castleark 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
Q2 		– Sell
-1,390
Closed -$199K – 340
2026
Q1 		$199K Buy
1,390
+270
+24% +$39.5K 0.01% 274
2025
Q4 		$139K Buy
+1,120
New +$146K ﹤0.01% 281
2025
Q2 		– Sell
-41,940
Closed -$2.41M – 322
2025
Q1 		$2.41M Sell
41,940
-39,230
-48% -$2.84M 0.08% 174
2024
Q4 		$6.2M Buy
+81,170
New +$5.93M 0.22% 115

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

Castleark Management's PRIM Position: Q2 2026 in Review

Castleark Management sold out of Primoris Services (PRIM) in Q2 2026, closing a stake of 1,390 shares — an estimated $199K sold.

Castleark Management first reported a position in PRIM in Q4 2024 and held it in 4 quarters. The position peaked at $6.2M in Q4 2024. 449 funds tracked by Wall St. Rank hold PRIM as of Q2 2026.

  • Castleark Management reported no remaining Primoris Services position as of Q2 2026 after selling out during the quarter.
  • Castleark Management sold 1,390 Primoris Services shares in Q2 2026, an estimated $199K.
  • Castleark Management first reported a position in Primoris Services in Q4 2024 and held it in 4 quarters.
  • Castleark Management's Primoris Services position peaked at $6.2M in Q4 2024.
  • 449 funds tracked by Wall St. Rank held Primoris Services as of Q2 2026.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.