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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
Mercer Global Advisors
76
Mercer Global Advisors
Colorado
$15.8M +$1.96M +18,296 +19%
Man Group
77
Man Group
United Kingdom
$15.5M -$5.29M -49,279 -30%
Verition Fund Management
78
Verition Fund Management
Connecticut
$14.9M -$36.8M -342,560 -76%
DIA
79
Dana Investment Advisors
Wisconsin
$14.6M -$5.69M -53,027 -33%
Swiss National Bank
80
Swiss National Bank
Switzerland
$14.4M +$183K +1,700 +2%
SEI Investments
81
SEI Investments
Pennsylvania
$14.1M +$5.85M +54,514 +114%
Barclays
82
Barclays
United Kingdom
$13.8M -$3.98M -37,085 -27%
TCM
83
Thames Capital Management
New Jersey
$13.7M +$10.7M +100,005 New
SAM
84
Silvercrest Asset Management
New York
$13.6M +$482K +4,486 +5%
AIM
85
AXA Investment Managers
France
$13.5M +$10.5M +97,975 New
Susquehanna International Group
86
Susquehanna International Group
Pennsylvania
$13.4M -$7.71M -71,827 -42%
ClearBridge Investments
87
ClearBridge Investments
New York
$12.7M -$4.38M -40,750 -31%
BA
88
Bridgewater Associates
Connecticut
$12.6M +$9.87M +91,963 New
IECM
89
Intrinsic Edge Capital Management
Illinois
$12.5M +$1.09M +10,132 +13%
HA
90
Heartland Advisors
Wisconsin
$12.4M -$1.07M -10,000 -10%
RhumbLine Advisers
91
RhumbLine Advisers
Massachusetts
$12M -$251K -2,341 -3%
NIM
92
NXG Investment Management
Texas
$11.8M +$1.83M +17,000 +25%
BI
93
Bolthouse Investments
California
$11M -$537K -5,000 -6%
Russell Investments Group
94
Russell Investments Group
United Kingdom
$10.9M +$952K +8,865 +13%
HIM
95
Hillsdale Investment Management
Ontario, Canada
$10.8M +$300K +2,790 +4%
Jane Street
96
Jane Street
New York
$10.7M +$1.45M +13,497 +21%
AAM
97
Advisors Asset Management
Colorado
$10.6M +$291K +2,706 +4%
Canada Pension Plan Investment Board
98
Canada Pension Plan Investment Board
Ontario, Canada
$10.5M -$4.58M -42,700 -36%
SPS
99
Susquehanna Portfolio Strategies
Pennsylvania
$10.1M +$454K +4,232 +6%
PE
100
Point72 Europe
United Kingdom
$9.83M -$2.08M -19,366 -21%
2 3
4
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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.