WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in THR — Thermon Group Holdings, Inc.
CIK 1644956
CHICAGO, IL
Position in THR
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$32,635,965
-$341,714 QoQ
Shares Held
647,539
-27.0% QoQ
Ownership
1.97%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#12
of 214 holders
Holding Since
Jun 2023
12 quarters on record
Voting authority
Sole 69.2648628113519.ToString("F0")%
Shared 0.ToString("F0")%
None 30.7351371886481.ToString("F0")%
Common Shares in THR Over Time
Shares Held
Position Value (USD)
Position in Specialty Industrial Machinery
Industrials · as of Mar 31, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $507,744,097 across 9 Specialty Industrial Machinery names. THR ranks #5 (6.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RRX |
Regal Rexnord Corp
|
837,493 | $156,828,939 | |
| 2 | DCI |
DONALDSON Co INC
|
1,615,349 | $137,094,669 | |
| 3 | FLS |
Flowserve Corp
|
924,173 | $67,935,957 | |
| 4 | HLIO |
Helios Technologies, Inc.
|
931,008 | $60,245,527 | |
| 5 | THR |
Thermon Group Holdings, Inc.
This page
|
647,539 | $32,635,965 | |
| 6 | GHM |
Graham Corp
|
314,301 | $24,804,634 | |
| 7 | JBTM |
JBT MAREL Corp
|
168,115 | $21,496,865 | |
| 8 | GGG |
Graco Inc
|
73,893 | $6,255,042 |
All Filings in THR
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $32,635,965 | 647,539 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $32,977,679 | 887,451 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $26,194,898 | 980,348 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $29,197,443 | 1,039,795 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $31,256,556 | 1,122,318 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $24,674,101 | 857,633 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $25,388,230 | 850,812 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $25,992,076 | 844,996 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $29,488,703 | 901,244 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $24,023,762 | 737,604 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $20,264,509 | 737,696 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $20,515,010 | 771,241 | Shares | Sole | 2023-08-11 | |
| No filing history on record for this holder in this stock. | ||||||