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 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 New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Jane Street's PRIM Position: Q1 2026 in Review

Jane Street increased its Primoris Services (PRIM) stake by 26% in Q1 2026, buying an estimated $66.8K and bringing the position to 2,215 shares worth $317K. The position accounts for ﹤0.01% of the portfolio, ranked #9121.

Jane Street first reported a position in PRIM in Q3 2013 and has held it in 23 quarters since. The position peaked at $12.5M in Q1 2025. 509 funds tracked by Wall St. Rank hold PRIM as of Q1 2026.

Jane Street held 2,215 shares of Primoris Services worth $317K as of Q1 2026.
Jane Street bought 456 Primoris Services shares in Q1 2026, an estimated $66.8K.
Primoris Services made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9121 holding.
Jane Street first reported a position in Primoris Services in Q3 2013 and has held it in 23 quarters since.
Jane Street's Primoris Services position peaked at $12.5M in Q1 2025.
509 funds tracked by Wall St. Rank held Primoris Services as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.