Latest Period
Q1 2026
Security Snapshot
Thermon Group Holdings Inc - Common Stock (THR) Institutional Ownership
CUSIP: 88362T103
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
214
Shares (Excl. Options)
32,861,020
Price
$50.40
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- Security type / class
- Equity / Common Stock
- Symbol
- THR
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 32,861,020
- Total 13F value
- $1,652,185,892
- Portfolio coverage rank
- 0.01%
- Share change
- -57,113
- Value change
- +$28,102,325
- Number of holders
- 214
- Shares outstanding
- 32,925,259
- SEC-reported price per share
- $61.17
- Insider filing price
- $61.17
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- THR - Thermon Group Holdings Inc - Common Stock is tracked under CUSIP 88362T103.
- 214 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 214 to 1 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $1,652,185,892 to $367.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 214 institutions filings for Q1 2026.
Security key
88362T103
Latest holder period
Q1 2026
13F holders
214
13D/G owners
5
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 88362T103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
THR
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| FMR LLC | 9% | +30% | $159,379,289 | +$34,961,827 | 2,970,723 | +28% | FMR LLC | 31 Mar 2026 |
| GLAZER CAPITAL, LLC | 5.2% | $103,816,371 | 1,715,406 | Glazer Capital, LLC | 20 May 2026 | |||
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 4.3% | -16% | $38,126,593 | -$6,552,225 | 1,462,470 | -15% | VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 31 Mar 2025 |
| T. Rowe Price Investment Management, Inc. | 3.5% | -43% | $31,319,955 | -$26,407,643 | 1,172,154 | -46% | T. Rowe Price Investment Management, Inc. | 30 Sep 2025 |
| DIMENSIONAL FUND ADVISORS LP | 0% | $1,284 | 21 | Dimensional Fund Advisors LP | 30 Jun 2026 |
As of 31 Mar 2026, 214 institutional investors reported holding 32,861,020 shares of Thermon Group Holdings Inc - Common Stock (THR). This represents 100% of the company’s total 32,925,259 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
69%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FMR LLC | 9% | 2,970,723 | +23% | 0.01% | $149,724,439 |
| BlackRock, Inc. | 7.9% | 2,588,149 | -3.5% | 0% | $130,442,710 |
| DIMENSIONAL FUND ADVISORS LP | 5.3% | 1,730,100 | -0.03% | 0.02% | $87,194,685 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.3% | 1,404,091 | 0% | 0% | $70,766,186 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.2% | 1,387,057 | 0% | 0% | $69,907,673 |
| Medina Value Partners, LLC | 2.9% | 966,319 | -7.4% | 10% | $48,702,478 |
| GW&K Investment Management, LLC | 2.9% | 952,518 | -41% | 0.42% | $48,007,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 832,516 | +6.4% | 0% | $41,966,585 |
| WESTWOOD HOLDINGS GROUP INC | 2.4% | 782,763 | -20% | 0.29% | $39,451,254 |
| STATE STREET CORP | 2.3% | 772,529 | +1.4% | 0% | $38,935,462 |
| Magnetar Financial LLC | 2.3% | 757,996 | 0.39% | $38,202,998 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.1% | 679,685 | +34% | 0.02% | $34,256,124 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2% | 647,539 | -27% | 0.11% | $32,635,966 |
| Harvey Partners, LLC | 2% | 646,728 | -16% | 2.6% | $32,595,091 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 1.9% | 632,500 | +2% | 1.6% | $31,878,000 |
| CITIGROUP INC | 1.8% | 577,926 | +4862% | 0.02% | $29,127,471 |
| AMERIPRISE FINANCIAL INC | 1.7% | 569,672 | -15% | 0.01% | $28,711,470 |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 1.6% | 516,471 | -25% | 0.23% | $26,030,138 |
| Qube Research & Technologies Ltd | 1.5% | 508,956 | +305% | 0.04% | $25,651,382 |
| GOLDMAN SACHS GROUP INC | 1.5% | 486,880 | +102% | 0% | $24,538,752 |
| ALPINE ASSOCIATES MANAGEMENT INC. | 1.5% | 485,882 | 1.4% | $24,488,454 | |
| Swedbank AB | 1.4% | 470,000 | -32% | 0.02% | $23,688,000 |
| NEW SOUTH CAPITAL MANAGEMENT INC | 1.4% | 458,387 | -3.4% | 1.1% | $23,102,705 |
| Balyasny Asset Management L.P. | 1.4% | 450,549 | +2990% | 0.04% | $22,707,670 |
| SOROS FUND MANAGEMENT LLC | 1.4% | 448,088 | 0.31% | $22,583,635 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q1 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 6 | $367 | -$54,426,608 | $61.17 | 1 |
| 2026 Q1 | 32,861,020 | $1,652,185,892 | +$28,102,325 | $50.40 | 214 |
| 2025 Q4 | 32,974,703 | $1,225,340,233 | +$39,556,704 | $37.16 | 192 |
| 2025 Q3 | 33,176,226 | $885,247,013 | +$22,265,771 | $26.72 | 157 |
| 2025 Q2 | 32,273,646 | $905,222,593 | +$13,667,166 | $28.08 | 168 |
| 2025 Q1 | 31,787,850 | $885,317,693 | -$18,826,067 | $27.85 | 160 |
| 2024 Q4 | 32,457,875 | $933,845,454 | +$13,911,115 | $28.77 | 168 |
| 2024 Q3 | 31,774,302 | $948,150,868 | -$5,492,742 | $29.84 | 151 |
| 2024 Q2 | 31,853,283 | $979,823,323 | -$37,960,138 | $30.76 | 154 |
| 2024 Q1 | 33,041,058 | $1,081,093,989 | +$39,727,061 | $32.72 | 144 |
| 2023 Q4 | 31,865,189 | $1,037,872,681 | -$1,777,310 | $32.57 | 158 |
| 2023 Q3 | 31,979,414 | $878,469,289 | +$12,101,301 | $27.47 | 149 |
| 2023 Q2 | 31,567,864 | $839,648,187 | -$5,930,695 | $26.60 | 152 |
| 2023 Q1 | 31,821,453 | $792,873,937 | +$11,863,313 | $24.92 | 152 |
| 2022 Q4 | 31,402,916 | $630,506,632 | -$3,443,828 | $20.08 | 133 |
| 2022 Q3 | 31,747,200 | $489,224,490 | -$47,872,255 | $15.41 | 116 |
| 2022 Q2 | 31,960,551 | $449,039,531 | +$5,626,078 | $14.05 | 104 |
| 2022 Q1 | 31,358,467 | $508,219,299 | +$1,428,670 | $16.20 | 107 |
| 2021 Q4 | 31,275,179 | $529,485,753 | -$7,890,903 | $16.93 | 104 |
| 2021 Q3 | 31,495,266 | $545,004,352 | +$528,162 | $17.31 | 94 |
| 2021 Q2 | 31,462,855 | $536,112,964 | -$4,027,370 | $17.04 | 92 |
| 2021 Q1 | 31,645,462 | $616,502,546 | -$4,088,208 | $19.49 | 98 |
| 2020 Q4 | 33,611,739 | $525,362,334 | +$3,229,713 | $15.63 | 95 |
| 2020 Q3 | 33,617,980 | $377,370,724 | -$3,137,608 | $11.23 | 104 |
| 2020 Q2 | 33,737,096 | $491,394,787 | +$2,095,866 | $14.57 | 112 |