| SC 13G | 2017-02-09 | Van Berkom & Associates Inc. | Thermon Group Holdings, Inc. | 2,118,146 | 6.6% | EDGAR |
| SC 13G | 2017-01-30 | BlackRock Inc. | Thermon Group Holdings, Inc. | 1,919,163 | 5.9% | EDGAR |
| SC 13G/A | 2016-08-10 | Vulcan Value Partners, LLC | Thermon Group Holdings, Inc. | 1,772,445 | 5.5% | EDGAR |
| SC 13G/A | 2016-03-09 | Bank of New York Mellon Corp | Thermon Group Holdings, Inc. | 1,599,824 | 5.0% | EDGAR |
| SC 13G/A | 2016-02-16 | Clearbridge Investments, LLC | Thermon Group Holdings, Inc. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2016-02-11 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | Thermon Group Holdings, Inc. | 1,988,427 | 6.2% | EDGAR |
| SC 13G | 2016-02-11 | WELLINGTON MANAGEMENT GROUP LLP | Thermon Group Holdings, Inc. | 3,070,777 | 9.5% | EDGAR |
| SC 13G/A | 2016-02-10 | WELLINGTON MANAGEMENT GROUP LLP | Thermon Group Holdings, Inc. | 3,523,041 | 10.9% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | Thermon Group Holdings, Inc. | 2,121,077 | 6.6% | EDGAR |
| SC 13G/A | 2016-02-10 | Vulcan Value Partners, LLC | Thermon Group Holdings, Inc. | 3,476,192 | 10.8% | EDGAR |
| SC 13G | 2016-02-10 | Vulcan Value Partners, LLC | Thermon Group Holdings, Inc. | 2,456,357 | 7.6% | EDGAR |
| SC 13G | 2016-02-09 | WELLINGTON MANAGEMENT GROUP LLP | Thermon Group Holdings, Inc. | 3,070,777 | 9.5% | EDGAR |
| SC 13G | 2016-02-05 | Van Berkom & Associates Inc. | Thermon Group Holdings, Inc. | 2,206,143 | 6.8% | EDGAR |
| SC 13G/A | 2016-02-02 | Bank of New York Mellon Corp | Thermon Group Holdings, Inc. | 2,071,065 | 6.4% | EDGAR |
| SC 13G/A | 2016-01-26 | EAGLE ASSET MANAGEMENT INC | Thermon Group Holdings, Inc. | 1,654,178 | 5.1% | EDGAR |
| SC 13G/A | 2016-01-20 | COLUMBIA WANGER ASSET MANAGEMENT LLC | Thermon Group Holdings, Inc. | 10 | - | EDGAR |
| SC 13G | 2015-02-17 | Clearbridge Investments, LLC | Thermon Group Holdings, Inc. | 1,676,671 | 5.2% | EDGAR |
| SC 13G | 2015-02-13 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | Thermon Group Holdings, Inc. | 1,665,446 | 5.2% | EDGAR |
| SC 13G/A | 2015-02-11 | COLUMBIA WANGER ASSET MANAGEMENT LLC | Thermon Group Holdings, Inc. | 2,861,230 | 8.9% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | Thermon Group Holdings, Inc. | 1,837,488 | 5.7% | EDGAR |