Primoris Services

PRIM • NYSE

Primoris Services is a engineering & construction company in the industrials sector on NYSE, led by David King, with a market cap of $6.8B. As of Q3 2025, 93% of shares are held by 444 institutional investors, with VANGUARD GROUP INC as the largest holder at 11.13%.

Interim President and CEODavid King

Market Cap$6.8B

Engineering & Construction

Industrials

Employees14.1K

Websiteprim.com

Country

United States of America

Overview

Overview of institutional ownership in PRIM as of Q3 2025 with a market cap of $7.4B

All Institutions

Institutions: 444
Value Held: $6.9B
Shares Held: 50.4M
Avg Position: $15.6M
Median Position: $1.4M

Hedge Funds

Hedge Funds: 58
Value Held: $605.1M
Shares Held: 4.4M
Avg Position: $10.4M
Median Position: $2.3M

Ownership Breakdown

Institutional (non-HF)

85.18%

$6.3B

Hedge Funds

8.16%

$605.1M

Retail & Other

6.66%

$494.2M

Based on market cap of $7.4B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in PRIM as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$825.8M 0.01% of portfolio	11.13% 6.0M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$651.6M 0.01% of portfolio	8.78% 4.7M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
FULLER & THALER ASSET MANAGEMENT, INC. Long Only Manager	Raife Brandon Giovinazzo Managing Partner	$419.6M 1.43% of portfolio	5.66% 3.1M shares	Q3 2020 Held for 5y 2m	$29.4B
FIRST TRUST ADVISORS LP ETF Provider	James Allen Bowen CEO	$239.9M 0.18% of portfolio	3.23% 1.7M shares	Q1 2014 Held for 11y 8m	$134.11B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$206.2M 0.04% of portfolio	2.78% 1.5M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$176.3M 0.01% of portfolio	2.38% 1.3M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$176.2M 0.01% of portfolio	2.38% 1.3M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
Invesco Ltd. ETF Provider	Brian Christopher Hartigan CEO	$155.6M 0.02% of portfolio	2.10% 1.1M shares	≤ Q2 2013 Held for 12y 5m+	$633.08B
A AMERICAN CENTURY COMPANIES INC Institution	-	$140.1M 0.07% of portfolio	1.89% 1.0M shares	Q1 2020 Held for 5y 8m	$195.93B
WESTFIELD CAPITAL MANAGEMENT CO LP Long Only Manager	William Albert Muggia CEO	$130.1M 0.55% of portfolio	1.75% 947.3K shares	Q4 2024 Held for 11 months	$23.8B

Net Capital Flow

Institutional buying and selling activity for PRIM in Q3 2025

Traded: −$138.5M
Buyers: 248
Sellers: 199
Total Bought: +$920.1M
Total Sold: −$1.1B
Avg Position: $14.3M

Biggest Buyers

Institution	Net Bought	Current Position
FULLER & THALER ASSET MANAGEMENT, INC. Long Only Manager	+$106.0M +772.2K shares	$419.6M 3.1M shares
A AMERICAN CENTURY COMPANIES INC Institution	+$57.5M +418.4K shares	$140.1M 1.0M shares
WELLINGTON MANAGEMENT CO LLP Long Only Manager	+$52.5M +382.6K shares	$91.2M 664.0K shares
HENNESSY ADVISORS INC Institution	+$50.1M +364.6K shares	$50.1M 364.6K shares
MACKENZIE FINANCIAL CORP Long Only Manager	+$47.9M +348.5K shares	$52.2M 380.3K shares
WESTFIELD CAPITAL MANAGEMENT CO LP Long Only Manager	+$40.2M +293.1K shares	$130.1M 947.3K shares
Goodlander Investment Management, LLC Hedge Fund•Long/Short	+$37.8M +275.0K shares	$37.8M 275.0K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$36.3M +264.3K shares	$37.6M 273.6K shares
F Forest Avenue Capital Management LP Hedge Fund•Long/Short	+$32.1M +233.9K shares	$32.1M 233.9K shares
S Swedbank AB Institution	+$27.5M +200.0K shares	$27.5M 200.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
DIMENSIONAL FUND ADVISORS LP Long Only Manager	−$164.8M −1.2M shares	$206.2M 1.5M shares
B BlackRock, Inc. Institution	−$92.3M −672.3K shares	$651.6M 4.7M shares
ALLIANCEBERNSTEIN L.P. Long Only Manager	−$59.1M −430.2K shares	$115.9M 844.0K shares
Verition Fund Management LLC Hedge Fund•Multi-Strategy	−$47.0M −342.6K shares	$14.9M 108.7K shares
Van Berkom & Associates Inc. Long Only Manager	−$47.0M −342.0K shares	$87.8M 639.0K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$31.3M −227.9K shares	$24.8M 180.2K shares
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	−$30.3M −220.5K shares	$23.5M 171.4K shares
Encompass Capital Advisors LLC Hedge Fund•Long/Short	−$29.0M −211.2K shares	$51.5M 374.8K shares
VANGUARD GROUP INC Institution	−$27.8M −202.4K shares	$825.8M 6.0M shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$26.7M −194.1K shares	$18.6M 135.4K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited PRIM in Q3 2025

New Positions: 69
New Value: $160.3M
Exited Positions: 40
Exited Value: $98.6M

New Positions

Institution	Position Value
F Forest Avenue Capital Management LP Hedge Fund•Long/Short	$32.1M 233.9K shares
S Swedbank AB Institution	$27.5M 200.0K shares
M MAPLELANE CAPITAL, LLC Hedge Fund•Long/Short	$21.7M 158.0K shares
THAMES CAPITAL MANAGEMENT LLC Hedge Fund•Long/Short	$13.7M 100.0K shares
Bridgewater Associates, LP Hedge Fund•Global Macro	$12.6M 92.0K shares
RENAISSANCE GROUP LLC Long Only Manager	$8.5M 62.1K shares
CFG Asset Management LLC RIA/Wealth	$7.4M 53.9K shares
H Hel Ved Capital Management Ltd Institution	$6.2M 44.8K shares
WBI INVESTMENTS ETF Provider	$2.7M 19.5K shares
Steel Peak Wealth Management LLC RIA/Wealth	$2.5M 18.0K shares

Exited Positions

Institution	Previous Position
Y Yaupon Capital Management LP Hedge Fund•Multi-Strategy	$25.2M 323.9K shares
SG Capital Management LLC Hedge Fund•Event Driven	$12.1M 154.7K shares
I Incline Global Management LLC Hedge Fund•Long/Short	$11.5M 147.1K shares
Merewether Investment Management, LP Hedge Fund•Sector	$8.1M 104.1K shares
A AXA Institution	$6.2M 79.5K shares
B Benson Investment Management Company, Inc. RIA/Wealth	$4.1M 52.3K shares
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$3.9M 50.0K shares
J Jump Financial, LLC Institution	$3.8M 48.7K shares
H HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Institution	$3.2M 40.6K shares
H HRT FINANCIAL LLC Institution	$3.1M 39.6K shares

Options Activity

Institutions with the largest Call and Put options positions in PRIM as of Q3 2025

Call Positions: 8
Call Value: $35.9M
Put Positions: 8
Put Value: $13.2M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$10.5M 765.0 contracts
P PEAK6 LLC Institution	$9.8M 712.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$9.0M 656.0 contracts
J JANE STREET GROUP, LLC Institution	$2.9M 208.0 contracts
W WOLVERINE TRADING, LLC Institution	$2.4M 176.0 contracts
Caption Management, LLC Hedge Fund•Long/Short	$1.2M 89.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$137.3K 10.0 contracts
Walleye Trading LLC RIA/Wealth	- - contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$5.1M 375.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$2.9M 210.0 contracts
Intrinsic Edge Capital Management LLC Hedge Fund•Multi-Strategy	$2.7M 200.0 contracts
W WOLVERINE TRADING, LLC Institution	$1.3M 95.0 contracts
J JANE STREET GROUP, LLC Institution	$961.3K 70.0 contracts
C Cubist Systematic Strategies, LLC Institution	$206.0K 15.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$13.7K 1.0 contracts
Walleye Trading LLC RIA/Wealth	- - contracts

Most Committed Institutions

Institutions with PRIM as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
1 1060 Capital, LLC Institution	-	23.32% $6.9M	0.09% 50.0K shares	Q4 2024 Held for 11 months	$29.4M
Goodlander Investment Management, LLC Hedge Fund•Long/Short	Charles Anthony Labanowski Founder	14.40% $37.8M	0.51% 275.0K shares	Q3 2025 Held for 2 months	$262.3M
W West Tower Group, LLC Fund of Funds	Charles Hubert Gatling Honey CIO	10.70% $3.7M	0.05% 26.9K shares	Q4 2024 Held for 11 months	$34.5M
B Bolthouse Investments, LLC Institution	-	9.96% $11.0M	0.15% 80.0K shares	Q4 2024 Held for 11 months	$110.3M
V VALUE HOLDINGS MANAGEMENT CO. LLC Hedge Fund•Value	Timothy Joseph Curro Managing Partner	9.88% $61.6M	0.83% 448.7K shares	Q4 2016 Held for 8y 11m	$623.8M
A A. D. Beadell Investment Counsel, Inc. Institution	-	7.61% $9.1M	0.12% 65.9K shares	Q3 2021 Held for 4y 2m	$119.0M
BRUNI J V & CO /CO RIA/Wealth	John Roy Brock President	6.35% $62.9M	0.85% 457.9K shares	Q1 2021 Held for 4y 8m	$990.7M
Rithm Capital Corp. Hedge Fund•Multi-Strategy	Michael B Nierenberg CEO	4.31% $1.4M	0.02% 10.2K shares	Q4 2024 Held for 11 months	$32.5M
H Hel Ved Capital Management Ltd Institution	-	3.57% $6.2M	0.08% 44.8K shares	Q3 2025 Held for 2 months	$172.2M
C Candelo Capital Management LP Hedge Fund•Long/Short	John Cormac Mcmongale CIO	3.44% $3.8M	0.05% 28.0K shares	Q3 2025 Held for 2 months	$111.8M

Hedge Fund Spotlight

Discover hedge funds investing in PRIM

Quantinno Capital Management LP

Hedge Fund • Market Neutral

Portfolio ManagerHoon Nmn Kim

Portfolio Value: $36.6B
Positions: 2,911
Last Reported: Q3 2025

Sector Allocation

Position in Primoris Services

Market Value: $728.9K
Shares Held: 5.3K
Portfolio Weight: 0.00%
Owned Since: 2025-Q2

Top Holding	Sector	Market Value	Weight
1 Nvidia NVDA	Semiconductors Technology	$2.1B	5.71%
2 Apple AAPL	Consumer Electronics Technology	$1.9B	5.06%
3 Microsoft MSFT	Software - Infrastructure Technology	$1.4B	3.93%