Thermon Group Holdings, Inc.
THRDelisted Jun 1, 2026- Industry
- Electrical Industrial Apparatus
- SEC CIK
- 0001489096
Thermon Group Holdings, Inc. was delisted on Jun 1, 2026; its insiders filed their last Form 4 on Jun 3, 2026; 217 institutions reported holding it in 13F filings for Q1 2026, worth $1.65B in total; Soros Fund Management was the only superinvestor holding it.
Holders of 5% or more of THR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Thermon Group Holdings, Inc., largest stake first. The change is against the holder's previous filing.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on Thermon Group Holdings, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 13, 20265:29 PM ET | Glazer Capital, LLCand 1 other | 13G/A | 0.00%0 shares | −5.21 ppfrom 5.21%Below 5% | Jun 30, 2026 | SEC |
| Aug 6, 202610:43 AM ET | FMR LLCand 1 other | 13G/A | 0.00%0 shares | −9.00 ppfrom 9.00%Below 5% | Jun 30, 2026 | SEC |
| May 27, 20264:29 PM ET | Glazer Capital, LLCand 1 other | 13G | 5.21%1.72M shares | New | May 20, 2026 | SEC |
| May 6, 202611:40 AM ET | FMR LLCand 1 other | 13G/A | 9.00%2.97M shares | +2.10 ppfrom 6.90% | Mar 31, 2026 | SEC |
| Mar 27, 20261:34 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Nov 14, 202512:18 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 3.50%1.17M shares | −3.00 ppfrom 6.50%Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 202512:12 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 6.50%2.16M shares | −1.60 ppfrom 8.10% | Jun 30, 2025 | SEC |
| May 14, 202510:47 AM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 8.10%2.75M shares | −2.40 ppfrom 10.50% | Mar 31, 2025 | SEC |
| May 13, 20252:12 PM ET | Kempen Capital Management N.V. | 13G/A | 4.30%1.46M shares | −0.80 ppfrom 5.10%Below 5% | Mar 31, 2025 | SEC |
| Feb 14, 20259:45 AM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 10.50%3.54M shares | – | Dec 31, 2024 | SEC |
| Feb 13, 202511:03 AM ET | Kempen Capital Management N.V. | 13G/A | 5.10%1.71M shares | – | Dec 31, 2024 | SEC |
| Feb 12, 20259:22 AM ET | FMR LLCand 1 other | 13G/A | 6.90%2.32M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Thermon Group Holdings, Inc. shares.
No Form 144 notices for Thermon Group Holdings, Inc. are on file.