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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
Vanguard Group
1
Vanguard Group
Pennsylvania
$826M -$21.7M -202,438 -3%
BlackRock
2
BlackRock
New York
$652M -$72.2M -672,339 -12%
Fuller & Thaler Asset Management
3
Fuller & Thaler Asset Management
California
$420M +$82.9M +772,162 +34%
First Trust Advisors
4
First Trust Advisors
Illinois
$240M -$9.25M -86,193 -5%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$206M -$129M -1,200,037 -44%
State Street
6
State Street
Massachusetts
$176M -$4.09M -38,105 -3%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$176M +$164K +1,527 +0.1%
Invesco
8
Invesco
Georgia
$156M -$985K -9,174 -0.8%
American Century Companies
9
American Century Companies
Missouri
$140M +$44.9M +418,374 +70%
Westfield Capital Management
10
Westfield Capital Management
Massachusetts
$130M +$31.5M +293,085 +45%
AllianceBernstein
11
AllianceBernstein
Tennessee
$116M -$46.2M -430,152 -34%
CAM
12
Congress Asset Management
Massachusetts
$109M -$7.41K -69 -0%
AIM
13
Artemis Investment Management
United Kingdom
$105M +$12M +111,570 +17%
Fidelity Investments
14
Fidelity Investments
Massachusetts
$102M +$101K +940 +0.1%
Charles Schwab
15
Charles Schwab
California
$96.2M -$1.92M -17,876 -2%
Wellington Management Group
16
Wellington Management Group
Massachusetts
$91.2M +$41.1M +382,597 +136%
VBA
17
Van Berkom & Associates
Quebec, Canada
$87.8M -$36.7M -341,968 -35%
UBS Group
18
UBS Group
Switzerland
$85.7M +$7.19M +66,979 +12%
Boston Partners
19
Boston Partners
Massachusetts
$77.8M -$104K -964 -0.2%
N
20
Nuveen
North Carolina
$75.9M -$12.4M -115,275 -17%
Lazard Asset Management
21
Lazard Asset Management
New York
$73.6M +$20.8M +193,781 +57%
T. Rowe Price Associates
22
T. Rowe Price Associates
Maryland
$73M +$1.11M +10,301 +2%
GKIM
23
GW&K Investment Management
Massachusetts
$69.7M -$1.5M -14,016 -3%
Northern Trust
24
Northern Trust
Illinois
$66.9M -$717K -6,681 -1%
JP Morgan Chase
25
JP Morgan Chase
New York
$66.8M +$9.13M +85,044 +21%
1
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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.