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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
Optiver Holding
401
Optiver Holding
Netherlands
$36K -$4.83K -45 -15%
HFS
402
Hantz Financial Services
Michigan
$31K -$2.58K -24 -10%
SS
403
SBI Securities
Japan
$29.4K +$15.9K +148 +224%
FDCDDQ
404
Federation des caisses Desjardins du Quebec
Quebec, Canada
$27.5K – – –
WANY
405
Wealthspire Advisors (New York)
New York
$26.6K +$20.8K +194 New
PPC
406
Park Place Capital
Alabama
$25.3K – – –
WTC
407
WhitTier Trust Company
Nevada
$23.4K +$18.4K +171 New
RA
408
Rise Advisors
New York
$22.9K – – –
GI
409
GAMMA Investing
California
$22.2K +$5.15K +48 +42%
RIL
410
Rothschild Investment LLC
Illinois
$22K -$2.79K -26 -14%
RFP
411
Root Financial Partners
California
$21.7K +$17K +158 New
CA
412
Crewe Advisors
Utah
$20.3K +$15.9K +148 New
MTC
413
Matrix Trust Company
Colorado
$20K -$3.33K -31 -18%
WA
414
WPG Advisers
Maryland
$19.4K +$2.47K +23 +19%
Mitsubishi UFJ Asset Management
415
Mitsubishi UFJ Asset Management
Japan
$18.5K – – –
MG
416
Mather Group
Illinois
$17.2K +$13.4K +125 New
S
417
SignatureFD
Georgia
$13.9K +$644 +6 +6%
NFSG
418
Newbridge Financial Services Group
Florida
$13.5K -$752 -7 -7%
PWMG
419
Private Wealth Management Group
New Jersey
$11.3K – – –
Bessemer Group
420
Bessemer Group
New Jersey
$11K – – –
HWM
421
Hemington Wealth Management
Virginia
$10K +$1.4K +13 +20%
PTC
422
Private Trust Company
Ohio
$9.75K -$3.22K -30 -30%
CMBA
423
C.M. Bidwell & Associates
Hawaii
$8.24K – – –
SAM
424
Smartleaf Asset Management
Massachusetts
$8.22K -$7.95K -74 -55%
QL
425
Quarry LP
New York
$7.69K +$5.69K +53 +1,767%
15 16
17
18 19

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.