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	$3.3M	Buy	23,100 +6,100	+36%	+$893K	﹤0.01%	4168
2025 Q4	$2.11M	Sell	17,000 -3,800	-18%	-$496K	﹤0.01%	4718
2025 Q3	$2.86M	Sell	20,800 -3,500	-14%	-$376K	﹤0.01%	4309
2025 Q2	$1.89M	Buy	24,300 +19,000	+358%	+$1.29M	﹤0.01%	4506
2025 Q1	$304K	Sell	5,300 -7,600	-59%	-$550K	﹤0.01%	7775
2024 Q4	$986K	Buy	+12,900	New	+$942K	﹤0.01%	5419
2024 Q3	–	Sell	-10,300	Closed	-$514K	–	10232
2024 Q2	$514K	Buy	+10,300	New	+$510K	﹤0.01%	6981
2023 Q2	–	Sell	-9,100	Closed	-$224K	–	9392
2023 Q1	$224K	Buy	+9,100	New	+$230K	﹤0.01%	7674
2022 Q3	–	Sell	-36,000	Closed	-$783K	–	10278
2022 Q2	$783K	Buy	+36,000	New	+$867K	﹤0.01%	5934
2021 Q3	–	Sell	-11,700	Closed	-$344K	–	10554
2021 Q2	$344K	Buy	+11,700	New	+$377K	﹤0.01%	7917

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.