WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in PRIM — Primoris Services Corp
CIK 1644956
CHICAGO, IL
Position in PRIM
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$39,644,629
New position
Shares Held
399,966
first reported quarter
Ownership
0.743%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#31
of 444 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority
Sole 79%
Shared 0%
None 21%
Position in Engineering & Construction
Industrials · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $367,298,181 across 6 Engineering & Construction names. PRIM ranks #3 (10.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | STRL |
Sterling Infrastructure, Inc.
|
223,697 | $187,762,313 | |
| 2 | APG |
APi Group Corp
|
1,649,980 | $69,876,653 | |
| 3 | PRIM |
Primoris Services Corp
This page
|
399,966 | $39,644,629 | |
| 4 | AGX |
Argan Inc
|
30,642 | $24,469,169 | |
| 5 | DY |
Dycom Industries Inc
|
47,269 | $23,898,733 | |
| 6 | GVA |
Granite Construction Inc
|
136,935 | $21,646,684 |
All Filings in PRIM
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $39,644,629 | 399,966 | Shares | Sole | 2026-08-12 | |
| No filing history on record for this holder in this stock. | ||||||