Primoris Services
PRIM
484 hedge funds and large institutions have $7.01B invested in Primoris Services in 2025 Q4 according to their latest regulatory filings, with 107 funds opening new positions, 166 increasing their positions, 173 reducing their positions, and 66 closing their positions.
316% more call options, than puts
Call options by funds: $22.6M | Put options by funds: $5.42M
62% more first-time investments, than exits
New positions opened: 107 | Existing positions closed: 66
10.89% more ownership
Funds ownership: 93.62% → 104.51% (+11%)
7% more funds holding
Funds holding: 451 → 484 (+33)
1% more capital invested
Capital invested by funds: $6.94B → $7.01B (+$69.7M)
4% less repeat investments, than reductions
Existing positions increased: 166 | Existing positions reduced: 173
31% less funds holding in top 10
Funds holding in top 10: 16 → 11 (-5)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$464M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
+$141M |
| 3 |
MIM
Merewether Investment Management
Dallas,
Texas
|
+$102M |
| 4 |
State Street
Boston,
Massachusetts
|
+$95.1M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$60.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Lazard Asset Management
New York
|
-$44.6M |
| 2 |
GIM
Goodlander Investment Management
Dallas,
Texas
|
-$37.8M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
-$37.4M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$35.3M |
| 5 |
GKIM
GW&K Investment Management
Boston,
Massachusetts
|
-$32.5M |
PRIM Hedge Fund Activity: Q4 2025 in Review
484 of the 8,284 institutional investors tracked by Wall St. Rank reported a position in Primoris Services (PRIM) for Q4 2025, worth a combined $7.01B — up 1% from $6.94B a quarter earlier.
Buyers outnumbered sellers: 107 funds opened new PRIM positions and 66 closed out — a net gain of 41 holders — while 166 added to existing stakes and 173 trimmed.
The largest buyer was BlackRock, adding an estimated $464M. The largest seller was Lazard Asset Management, cutting an estimated $44.6M.
- 484 institutional investors held Primoris Services (PRIM) as of Q4 2025, up from 451 in Q3 2025.
- Funds reported $7.01B of Primoris Services stock for Q4 2025, up 1% quarter-over-quarter.
- 107 funds opened new Primoris Services positions in Q4 2025 and 66 closed out, a net change of +41 holders.
- The largest Primoris Services buyer in Q4 2025 was BlackRock, an estimated $464M added.
- The largest Primoris Services seller in Q4 2025 was Lazard Asset Management, an estimated $44.6M sold.
Based on aggregated 13F filings for Q4 2025.