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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
GCP
201
GSA Capital Partners
United Kingdom
$1.73M +$1.35M +12,565 New
Macquarie Group
202
Macquarie Group
Australia
$1.72M – – –
ONGA
203
O'Neil Global Advisors
California
$1.72M +$1.34M +12,489 New
CCS
204
Concentric Capital Strategies
Connecticut
$1.69M +$1.32M +12,337 New
KK
205
KLP Kapitalforvaltning
Norway
$1.66M +$53.7K +500 +4%
TCA
206
Tortoise Capital Advisors
Kansas
$1.66M +$1.3M +12,100 New
OAM
207
OP Asset Management
$1.66M +$1.2M +11,185 +1,225%
Allspring Global Investments
208
Allspring Global Investments
North Carolina
$1.64M -$155K -1,441 -11%
RBI
209
Raiffeisen Bank International
Austria
$1.62M +$107K +1,000 +9%
II
210
Inspire Investing
Idaho
$1.61M -$492K -4,582 -28%
XT
211
XTX Topco
Cayman Islands
$1.59M -$125K -1,163 -9%
Two Sigma Advisers
212
Two Sigma Advisers
New York
$1.57M -$96.6K -900 -7%
AA
213
ALPS Advisors
Colorado
$1.49M +$1.17M +10,854 New
MWM
214
Moran Wealth Management
Florida
$1.46M +$21.9K +204 +2%
CIP
215
Convergence Investment Partners
Florida
$1.46M -$683K -6,361 -37%
PAG
216
Private Advisor Group
New Jersey
$1.45M +$1.14M +10,593 New
GI
217
GAMCO Investors
Connecticut
$1.45M -$222K -2,072 -16%
Tudor Investment Corp
218
Tudor Investment Corp
Connecticut
$1.44M -$686K -6,389 -38%
SGI
219
Summit Global Investments
Utah
$1.44M -$480K -4,468 -30%
RC
220
Rithm Capital
New York
$1.4M -$268K -2,500 -20%
AWM
221
Apollon Wealth Management
South Carolina
$1.37M +$709K +6,603 +194%
AAM
222
AMI Asset Management
California
$1.37M -$2.9K -27 -0.3%
PNC Financial Services Group
223
PNC Financial Services Group
Pennsylvania
$1.35M +$167K +1,558 +19%
VOYA Investment Management
224
VOYA Investment Management
Georgia
$1.35M -$5.77M -53,719 -85%
Jennison Associates
225
Jennison Associates
New York
$1.35M -$171K -1,592 -14%
7 8
9
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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.