Primoris Services
PRIM
511 hedge funds and large institutions have $7.86B invested in Primoris Services in 2026 Q1 according to their latest regulatory filings, with 99 funds opening new positions, 166 increasing their positions, 188 reducing their positions, and 65 closing their positions.
153% more call options, than puts
Call options by funds: $32.8M | Put options by funds: $13M
52% more first-time investments, than exits
New positions opened: 99 | Existing positions closed: 65
12% more capital invested
Capital invested by funds: $7.01B → $7.86B (+$850M)
6% more funds holding
Funds holding: 483 → 511 (+28)
0% more funds holding in top 10
Funds holding in top 10: 11 → 11 (0)
2.84% less ownership
Funds ownership: 104.51% → 101.67% (-2.8%)
12% less repeat investments, than reductions
Existing positions increased: 166 | Existing positions reduced: 188
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
First Trust Advisors
Wheaton,
Illinois
|
+$136M |
| 2 |
Millennium Management
New York
|
+$58.4M |
| 3 |
Invesco
Atlanta,
Georgia
|
+$49.6M |
| 4 |
Alyeska Investment Group
Chicago,
Illinois
|
+$43.5M |
| 5 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$26.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Boston Partners
Boston,
Massachusetts
|
-$53.5M |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$42.9M |
| 3 |
D.E. Shaw & Co
New York
|
-$41M |
| 4 |
ECA
Encompass Capital Advisors
New York
|
-$36M |
| 5 |
Westfield Capital Management
Boston,
Massachusetts
|
-$30.6M |
PRIM Hedge Fund Activity: Q1 2026 in Review
511 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Primoris Services (PRIM) for Q1 2026, worth a combined $7.86B — up 12% from $7.01B a quarter earlier.
Buyers outnumbered sellers: 99 funds opened new PRIM positions and 65 closed out — a net gain of 34 holders — while 166 added to existing stakes and 188 trimmed.
The largest buyer was First Trust Advisors, adding an estimated $136M. The largest seller was Boston Partners, exiting entirely with an estimated $53.5M sold.
- 511 institutional investors held Primoris Services (PRIM) as of Q1 2026, up from 483 in Q4 2025.
- Funds reported $7.86B of Primoris Services stock for Q1 2026, up 12% quarter-over-quarter.
- 99 funds opened new Primoris Services positions in Q1 2026 and 65 closed out, a net change of +34 holders.
- The largest Primoris Services buyer in Q1 2026 was First Trust Advisors, an estimated $136M added.
- The largest Primoris Services seller in Q1 2026 was Boston Partners, an estimated $53.5M sold.
Based on aggregated 13F filings for Q1 2026.