Thermon Group Holdings, Inc.
Total Trades
16
Buys
10
Sells
6
Largest Trade
$100K–$500K
Insiders
9
Institutional Funds
146
Inst. Value
$1M+
Activist Filings
22
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Roberto Kuahara | SVP, Operations | SELL | $1K–$15K | 300 | $31.37 | Dec 2, 2024 |
| MCGINTY KEVIN J | Director | SELL | $100K–$500K | 5K | $32.84 | Jun 4, 2024 |
| NESSER JOHN T III | Director | SELL | $100K–$500K | 6K | $33.60 | Jun 3, 2024 |
| Roberts Mark John | SVP | SELL | $50K–$100K | 3K | $33.35 | Jun 3, 2024 |
| FIX ROGER L | Director | BUY | $15K–$50K | 2K | $25.70 | Feb 6, 2024 |
| Fox Kevin | CFO | BUY | $15K–$50K | 1K | $24.84 | Feb 6, 2024 |
| CLARKE JOHN U | Director | BUY | $100K–$500K | 5K | $25.01 | Feb 6, 2024 |
| MCGINTY KEVIN J | Director | SELL | $100K–$500K | 5K | $32.00 | Nov 17, 2023 |
| NESSER JOHN T III | Director | BUY | $50K–$100K | 2K | $26.38 | Aug 10, 2023 |
| Fox Kevin | CFO | BUY | $15K–$50K | 990 | $25.92 | Aug 7, 2023 |
| Harris-Peterson Candace | VP, Human Resources | SELL | $100K–$500K | 6K | $27.15 | Feb 10, 2023 |
| NESSER JOHN T III | Director | BUY | $15K–$50K | 2K | $18.80 | Nov 8, 2022 |
| NESSER JOHN T III | Director | BUY | $1K–$15K | 845 | $16.67 | Aug 9, 2022 |
| Fox Kevin | CFO | BUY | $15K–$50K | 2K | $15.40 | Jun 15, 2022 |
| Thames Bruce | President & CEO | BUY | $15K–$50K | 3K | $15.49 | Jun 15, 2022 |
| NESSER JOHN T III | Director | BUY | $50K–$100K | 4K | $16.35 | Jun 9, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 146 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 1.7M | $1M+ | SH |
| GW&K Investment Management, LLC | 1.6M | $1M+ | SH |
| Medina Value Partners, LLC | 1.0M | $1M+ | SH |
| WESTWOOD HOLDINGS GROUP INC | 977K | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 887K | $1M+ | SH |
| STATE STREET CORP | 762K | $1M+ | SH |
| Swedbank AB | 694K | $1M+ | SH |
| Swedbank AB | 694K | $1M+ | SH |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 690K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 674K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 508K | $1M+ | SH |
| KENNEDY CAPITAL MANAGEMENT LLC | 384K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 340K | $1M+ | SH |
| JPMORGAN CHASE & CO | 276K | $1M+ | SH |
| Assenagon Asset Management S.A. | 256K | $1M+ | SH |
| HEARTLAND ADVISORS INC | 256K | $1M+ | SH |
| Lightrock Netherlands B.V. | 248K | $1M+ | SH |
| Intrinsic Edge Capital Management LLC | 230K | $1M+ | SH |
| WEDGE CAPITAL MANAGEMENT L L P/NC | 142K | $1M+ | SH |
| LAZARD ASSET MANAGEMENT LLC | 127K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
T. Rowe Price Investment Management, Inc.
SC 13G/A · Nov 14, 2025
3.5%
1.2M shares
T. Rowe Price Investment Management, Inc.
SC 13G/A · Aug 14, 2025
6.5%
2.2M shares
T. Rowe Price Investment Management, Inc.
SC 13G/A · May 14, 2025
8.1%
2.7M shares
VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.
SC 13G/A · May 13, 2025
4.3%
1.5M shares
T. Rowe Price Investment Management, Inc.
SC 13G/A · Feb 14, 2025
10.5%
3.5M shares
VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.
SC 13G/A · Feb 13, 2025
5.1%
1.7M shares
SC 13G/A · Feb 12, 2025
6.9%
2.3M shares
SC 13G/A · Dec 6, 2024
10.0%
3.4M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G/A · Nov 14, 2024
12.6%
4.3M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G/A · Mar 11, 2024
13.4%
4.5M shares
SC 13G/A · Feb 14, 2024
4.4%
1.5M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G · Feb 14, 2024
8.4%
2.8M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
10.0%
3.4M shares
Van Lanschot Kempen Investment Management N.V.
SC 13G/A · Feb 12, 2024
6.7%
2.2M shares
SC 13G/A · Jan 25, 2024
8.2%
2.8M shares
SC 13G · Feb 14, 2023
5.6%
1.9M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G · Feb 14, 2023
9.3%
3.1M shares
SC 13G/A · Jan 31, 2023
7.2%
2.4M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Aug 10, 2022
0.5%
171K shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2022
10.5%
3.5M shares
SC 13G/A · Feb 11, 2022
8.3%
2.8M shares
Kempen Capital Management N.V.
SC 13G · Feb 11, 2022
9.9%
3.3M shares