Group One Trading’s Primoris Services PRIM Stock Holding History

Group One Trading’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
2025 Q4	–	Sell	-400	Closed	-$54.9K	–	8939
2025 Q3	$54.9K	Buy	400 +100	+33%	+$10.7K	﹤0.01%	5878
2025 Q2	$23.4K	Buy	300 +100	+50%	+$6.78K	﹤0.01%	6160
2025 Q1	$11.5K	Buy	+200	New	+$14.5K	﹤0.01%	6168
2022 Q4	–	Sell	-100	Closed	-$2K	–	7913
2022 Q3	$2K	Buy	+100	New	+$2.09K	﹤0.01%	7186
2022 Q1	–	Sell	-100	Closed	-$2K	–	8536
2021 Q4	$2K	Buy	+100	New	+$2.53K	﹤0.01%	7895
2013 Q4	–	Sell	-2,000	Closed	-$51K	–	5474
2013 Q3	$51K	Sell	2,000 -200	-9%	-$4.53K	﹤0.01%	3533
2013 Q2	$43K	Buy	+2,200	New	+$46.7K	﹤0.01%	3547

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

Group One Trading's PRIM Position: Q1 2026 in Review

Group One Trading opened a new position in Primoris Services (PRIM) in Q1 2026: 79 shares worth $11.3K. The stake represents ﹤0.01% of the portfolio and ranks #6310 among its holdings. This is a return to the name: Group One Trading previously reported a position in PRIM as recently as Q3 2025.

Group One Trading first reported a position in PRIM in Q2 2013 and has held it in 11 quarters since. The position peaked at $222K in Q3 2025. 508 funds tracked by Wall St. Rank hold PRIM as of Q1 2026.

Group One Trading held 79 shares of Primoris Services worth $11.3K as of Q1 2026.
Primoris Services was a new Group One Trading position in Q1 2026.
Primoris Services made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #6310 holding.
Group One Trading first reported a position in Primoris Services in Q2 2013 and has held it in 11 quarters since.
Group One Trading's Primoris Services position peaked at $222K in Q3 2025.
508 funds tracked by Wall St. Rank held Primoris Services as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.