Primoris Services
PRIM
449 hedge funds and large institutions have $5.45B invested in Primoris Services in 2026 Q2 according to their latest regulatory filings, with 117 funds opening new positions, 130 increasing their positions, 160 reducing their positions, and 170 closing their positions.
192% more call options, than puts
Call options by funds: $108M | Put options by funds: $37M
0.12% less ownership
Funds ownership: 101.67% → 101.55% (-0.12%)
12% less funds holding
Funds holding: 511 → 449 (-62)
19% less repeat investments, than reductions
Existing positions increased: 130 | Existing positions reduced: 160
31% less capital invested
Capital invested by funds: $7.86B → $5.45B (-$2.42B)
31% less first-time investments, than exits
New positions opened: 117 | Existing positions closed: 170
45% less funds holding in top 10
Funds holding in top 10: 11 → 6 (-5)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$368M |
| 2 |
SCA
Southpoint Capital Advisors
New York
|
+$184M |
| 3 |
Millennium Management
New York
|
+$144M |
| 4 |
Point72 Asset Management
Stamford,
Connecticut
|
+$115M |
| 5 |
Nordea Investment Management
Stockholm,
Sweden
|
+$109M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fuller & Thaler Asset Management
San Mateo,
California
|
-$424M |
| 2 |
BlackRock
New York
|
-$198M |
| 3 |
AIM
Artemis Investment Management
Edinburgh,
United Kingdom
|
-$126M |
| 4 |
CAM
Congress Asset Management
Boston,
Massachusetts
|
-$107M |
| 5 |
AllianceBernstein
Nashville,
Tennessee
|
-$86M |
PRIM Hedge Fund Activity: Q2 2026 in Review
449 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Primoris Services (PRIM) for Q2 2026, worth a combined $5.45B — down 31% from $7.86B a quarter earlier.
Sellers outnumbered buyers: 170 funds closed out of PRIM and 117 opened new positions — a net loss of 53 holders — while 160 trimmed existing stakes and 130 added.
The largest buyer was Wellington Management Group, adding an estimated $368M. The largest seller was Fuller & Thaler Asset Management, exiting entirely with an estimated $424M sold.
- 449 institutional investors held Primoris Services (PRIM) as of Q2 2026, down from 511 in Q1 2026.
- Funds reported $5.45B of Primoris Services stock for Q2 2026, down 31% quarter-over-quarter.
- 117 funds opened new Primoris Services positions in Q2 2026 and 170 closed out, a net change of -53 holders.
- The largest Primoris Services buyer in Q2 2026 was Wellington Management Group, an estimated $368M added.
- The largest Primoris Services seller in Q2 2026 was Fuller & Thaler Asset Management, an estimated $424M sold.
Based on aggregated 13F filings for Q2 2026.