Jane Street
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Jane Street’s Primoris Services PRIM Stock Holding History

Jane Street’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 		$8.33M Buy
84,000
+76,800
+1,067% +$10.1M ﹤0.01% 3055
2026
Q1 		$1.03M Buy
7,200
+3,400
+89% +$498K ﹤0.01% 6441
2025
Q4 		$472K Sell
3,800
-3,200
-46% -$418K ﹤0.01% 7829
2025
Q3 		$961K Buy
7,000
+2,200
+46% +$236K ﹤0.01% 6393
2025
Q2 		$374K Hold
4,800
– – ﹤0.01% 7447
2025
Q1 		$276K Buy
+4,800
New +$347K ﹤0.01% 7946
2024
Q3 		– Sell
-7,000
Closed -$349K – 10233
2024
Q2 		$349K Buy
+7,000
New +$346K ﹤0.01% 7557

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

Jane Street's PRIM Position: Q2 2026 in Review

Jane Street sold out of Primoris Services (PRIM) in Q2 2026, closing a stake of 2,215 shares — an estimated $291K sold.

Jane Street first reported a position in PRIM in Q3 2013 and held it in 23 quarters. The position peaked at $12.5M in Q1 2025. 449 funds tracked by Wall St. Rank hold PRIM as of Q2 2026.

  • Jane Street reported no remaining Primoris Services position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 2,215 Primoris Services shares in Q2 2026, an estimated $291K.
  • Jane Street first reported a position in Primoris Services in Q3 2013 and held it in 23 quarters.
  • Jane Street's Primoris Services position peaked at $12.5M in Q1 2025.
  • 449 funds tracked by Wall St. Rank held Primoris Services as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.