Westfield Capital Management’s Primoris Services PRIM Stock Holding History

Westfield Capital 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	$73.1M	Sell	737,493 -5,776	-0.8%	-$759K	0.24%	122
2026 Q1	$106M	Sell	743,269 -208,927	-22%	-$30.6M	0.45%	64
2025 Q4	$118M	Buy	952,196 +4,888	+0.5%	+$638K	0.49%	54
2025 Q3	$130M	Buy	947,308 +293,085	+45%	+$31.5M	0.55%	47
2025 Q2	$51M	Buy	654,223 +291,494	+80%	+$19.8M	0.21%	141
2025 Q1	$20.8M	Buy	362,729 +9,714	+3%	+$702K	0.1%	172
2024 Q4	$27M	Buy	+353,015	New	+$25.8M	0.12%	169

Other funds holding PRIM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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 New York $1.89T AUM 35.08% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Westfield Capital Management's PRIM Position: Q2 2026 in Review

Westfield Capital Management reduced its Primoris Services (PRIM) stake by 0.78% in Q2 2026, selling an estimated $759K and leaving 737,493 shares worth $73.1M. The position accounts for 0.24% of the portfolio, ranked #122.

Westfield Capital Management first reported a position in PRIM in Q4 2024 and has held it in 7 quarters since. The position peaked at $130M in Q3 2025. 449 funds tracked by Wall St. Rank hold PRIM as of Q2 2026.

Westfield Capital Management held 737,493 shares of Primoris Services worth $73.1M as of Q2 2026.
Westfield Capital Management sold 5,776 Primoris Services shares in Q2 2026, an estimated $759K.
Primoris Services made up 0.24% of Westfield Capital Management's portfolio in Q2 2026, its #122 holding.
Westfield Capital Management first reported a position in Primoris Services in Q4 2024 and has held it in 7 quarters since.
Westfield Capital Management's Primoris Services position peaked at $130M in Q3 2025.
449 funds tracked by Wall St. Rank held Primoris Services as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.