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Primoris Services
PRIM

450 hedge funds and large institutions have $6.94B invested in Primoris Services in 2025 Q3 according to their latest regulatory filings, with 112 funds opening new positions, 136 increasing their positions, 164 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed

166% more call options, than puts

Call options by funds: $39.6M | Put options by funds: $14.9M

160% more first-time investments, than exits

New positions opened: 112 | Existing positions closed: 43

70% more capital invested

Capital invested by funds: $4.1B → $6.94B (+$2.85B)

60% more funds holding in top 10

Funds holding in top 10: 10 → 16 (+6)

16% more funds holding

Funds holding: 387 → 450 (+63)

3.59% less ownership

Funds ownership: 97.22% → 93.62% (-3.6%)

17% less repeat investments, than reductions

Existing positions increased: 136 | Existing positions reduced: 164

Holders
450
Holders Change
+63
Holders Change %
+16.28%
% of All Funds
5.91%
Holding in Top 10
16
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+60%
% of All Funds
0.21%
New
112
Increased
136
Reduced
164
Closed
43
Calls
$39.6M
Puts
$14.9M
Net Calls
+$24.7M
Net Calls Change
+$16.1M

Top Buyers

1
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management
California
+$82.9M
2
American Century Companies
American Century Companies
Missouri
+$44.9M
3
Wellington Management Group
Wellington Management Group
Massachusetts
+$41.1M
4
HAI
Hennessy Advisors Inc
California
+$39.1M
5
Mackenzie Financial
Mackenzie Financial
Ontario, Canada
+$37.4M

Top Sellers

1
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$129M
2
BlackRock
BlackRock
New York
-$72.2M
3
AllianceBernstein
AllianceBernstein
Tennessee
-$46.2M
4
Verition Fund Management
Verition Fund Management
Connecticut
-$36.8M
5
VBA
Van Berkom & Associates
Quebec, Canada
-$36.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
Cetera Investment Advisers
176
Cetera Investment Advisers
Illinois
$2.43M +$210K +1,953 +12%
JCIA
177
Jackson Creek Investment Advisors
Colorado
$2.35M -$514K -4,789 -22%
OAC
178
OMERS Administration Corp
Ontario, Canada
$2.31M -$848K -7,900 -32%
Wolverine Trading
179
Wolverine Trading
Illinois
$2.29M +$526K +4,896 +40%
ASRS
180
Arizona State Retirement System
Arizona
$2.19M +$26.2K +244 +2%
HIS
181
Horizon Investment Services
Indiana
$2.18M -$2.47K -23 -0.1%
State Board of Administration of Florida Retirement System
182
State Board of Administration of Florida Retirement System
Florida
$2.08M -$4.19K -39 -0.3%
Handelsbanken Fonder
183
Handelsbanken Fonder
Sweden
$2.06M +$301K +2,800 +23%
CAM
184
Crown Advisors Management
California
$2.06M +$1.61M +15,000 New
PFSRSONJ
185
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.06M +$314K +2,921 +24%
TA
186
Tectonic Advisors
Texas
$2.02M -$365K -3,395 -19%
SG Americas Securities
187
SG Americas Securities
New York
$1.94M +$1.52M +14,127 New
SSA
188
Schonfeld Strategic Advisors
New York
$1.93M +$1.51M +14,055 New
EF
189
Empowered Funds
Pennsylvania
$1.9M +$1.49M +13,867 New
SO
190
STRS Ohio
Ohio
$1.9M -$225K -2,100 -13%
Canada Life
191
Canada Life
Manitoba, Canada
$1.89M – – –
William Blair & Company
192
William Blair & Company
Illinois
$1.87M +$1.04M +9,720 +248%
MIP
193
Marietta Investment Partners
Wisconsin
$1.87M +$423K +3,940 +41%
DC
194
Davenport & Co
Virginia
$1.85M -$26K -242 -2%
BNP Paribas Financial Markets
195
BNP Paribas Financial Markets
France
$1.83M -$20.1M -187,586 -93%
MML Investors Services
196
MML Investors Services
Massachusetts
$1.82M +$205K +1,909 +17%
Cambridge Investment Research Advisors
197
Cambridge Investment Research Advisors
Iowa
$1.82M +$1.42M +13,247 New
HCA
198
Harbor Capital Advisors
Illinois
$1.8M -$2.67M -24,906 -66%
Massachusetts Financial Services
199
Massachusetts Financial Services
Massachusetts
$1.77M +$90.9K +847 +7%
A
200
AlphaQuest
New York
$1.73M -$141K -1,316 -9%
6 7
8
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PRIM Hedge Fund Activity: Q3 2025 in Review

450 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Primoris Services (PRIM) for Q3 2025, worth a combined $6.94B — up 70% from $4.1B a quarter earlier.

Buyers outnumbered sellers: 112 funds opened new PRIM positions and 43 closed out — a net gain of 69 holders — while 136 added to existing stakes and 164 trimmed.

The largest buyer was Fuller & Thaler Asset Management, adding an estimated $82.9M. The largest seller was Dimensional Fund Advisors, cutting an estimated $129M.

  • 450 institutional investors held Primoris Services (PRIM) as of Q3 2025, up from 387 in Q2 2025.
  • Funds reported $6.94B of Primoris Services stock for Q3 2025, up 70% quarter-over-quarter.
  • 112 funds opened new Primoris Services positions in Q3 2025 and 43 closed out, a net change of +69 holders.
  • The largest Primoris Services buyer in Q3 2025 was Fuller & Thaler Asset Management, an estimated $82.9M added.
  • The largest Primoris Services seller in Q3 2025 was Dimensional Fund Advisors, an estimated $129M sold.

Based on aggregated 13F filings for Q3 2025.