WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in USLM — United States Lime & Minerals Inc
CIK 1644956
CHICAGO, IL
Position in USLM
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$37,388,418
+$4,716,521 QoQ
Shares Held
286,260
+4.9% QoQ
Ownership
0.998%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
8 quarters on record
Voting authority
Sole 79%
Shared 0%
None 21%
Common Shares in USLM Over Time
Shares Held
Position Value (USD)
Position in Building Materials
Basic Materials · as of Mar 31, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $374,486,365 across 5 Building Materials names. USLM ranks #4 (10.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MLM |
Martin Marietta Materials Inc
|
272,392 | $160,351,722 | |
| 2 | EXP |
Eagle Materials Inc
|
630,392 | $119,427,764 | |
| 3 | TGLS |
Tecnoglass Holdings Inc.
|
1,173,073 | $52,260,402 | |
| 4 | USLM |
United States Lime & Minerals Inc
This page
|
286,260 | $37,388,418 | |
| 5 | CRH |
Crh Public Ltd Co
|
48,117 | $5,058,059 |
All Filings in USLM
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $37,388,418 | 286,260 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $32,671,897 | 272,857 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $43,819,305 | 333,100 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $35,697,462 | 357,690 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $25,385,652 | 287,233 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $36,661,593 | 276,191 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $28,725,712 | 294,140 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $4,223,759 | 57,990 | Shares | Sole | 2024-08-08 | |
| No filing history on record for this holder in this stock. | ||||||