Vanguard Group Inc ownership in THR / Thermon Group Holdings, Inc.

Thermon Group Holdings, Inc.

US ˙ NYSE ˙ US88362T1034

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Security	THR / Thermon Group Holdings, Inc.
Institution	Vanguard Group Inc
Latest Disclosed Ownership	0 shares
Ownership	0.00%

2026-03-27 - Vanguard Group Inc has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 0 shares of Thermon Group Holdings, Inc. (US:THR). This represents 0.0 percent ownership of the company. In their previous filing dated 2024-12-06 , Vanguard Group Inc had reported owning 3,372,304 shares, indicating a decrease of -100.00 percent.

Institutional Ownership: 13D/G Filings

This table shows a history of the 13D/G filings made by the investor and/or investor group. Note that the share values in this table are not directly comparable to any numbers shown in the 13F table (if any).

File Date	Effective Date	Form	Prev Shares	Latest Shares	ΔShares (Percent)	Ownership (Percent)	ΔOwnership (Percent)
2026-03-27	2026-03-27	13G/A	3,372,304	0	-100.00	0.00	-100.00
2024-12-06	2024-12-06	13G/A	3,363,315	3,372,304	0.27	10.01	0.30
2024-02-13	2024-02-13	13G/A	3,194,907	3,363,315	5.27	9.98	4.61
2023-02-09	2023-02-09	13G/A	3,079,326	3,194,907	3.75	9.54	3.25
2022-02-10	2022-02-10	13G/A	2,938,833	3,079,326	4.78	9.24	4.29
2021-02-10	2021-02-10	13G/A	2,937,355	2,938,833	0.05	8.86	-1.12
2020-02-12	2020-02-12	13G/A	2,839,333	2,937,355	3.45	8.96	2.87
2019-02-12	2019-02-12	13G/A	2,839,333	2,839,333	0.00	8.71	0.00
2019-02-11	2019-02-11	13G/A	2,732,283	2,839,333	3.92	8.71	3.44
2018-02-09	2018-02-09	13G/A	2,381,899	2,732,283	14.71	8.42	14.40
2017-02-10	2017-02-10	13G/A	2,121,077	2,381,899	12.30	7.36	11.85
2016-02-10	2016-02-10	13G/A		2,121,077		6.58
2015-02-10	2015-02-10	13G/A		1,837,488		5.73
2014-02-12	2014-02-12	13G		1,696,009		5.36

Important Note: One of the primary uses of the 13D/G filings is to evaluate the ability of a firm to control a company (ie, the "beneficial ownership"). To that end, firms are required to report not just direct holdings in companies, but indirect holdings that they control. For investment firms, these indirect holdings can include shares in funds they manage, advisory accounts, and in the case of activist campaigns, pledged votes. Therefore, share counts listed in 13D/G filings can differ significantly than share counts listed in 13F filings.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)

File Date	Effective Date	Form	Security	Class	ID	Reported Shares	ΔShares	ΔShares (%)	Reported Value (x1000)	ΔValue (%)	Alloc (%)
2026-01-29	2025-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	3,069,937	-98,994	-3.12	114,079	34.73	0.0017
2025-11-07	2025-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	3,168,931	-53,032	-1.65	84,674	-6.41	0.0013
2025-08-11	2025-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	3,221,963	-52,943	-1.62	90,473	-0.80	0.0015
2025-05-09	2025-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	3,274,906	-108,393	-3.20	91,206	-6.30	0.0016
2025-02-11	2024-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	3,383,299	16,112	0.48	97,338	-3.12	0.0017
2024-11-13	2024-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	3,367,187	93,227	2.85	100,477	-0.23	0.0018
2024-08-13	2024-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	3,273,960	-65,375	-1.96	100,707	-7.83	0.0019
2024-05-10	2024-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	3,339,335	-23,980	-0.71	109,263	-0.26	0.0022
2024-03-11	2023-12-31	13F/A-1	THERMON GROUP HLDGS	COM	88362T103	3,363,315	21,971	0.66	109,543	19.35	0.0024
2024-02-14	2023-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	3,363,315	21,971		109,543		0.0021
2023-12-18	2023-09-30	13F/A-1	THERMON GROUP HLDGS	COM	88362T103	3,341,344	24,272	0.73	91,787	4.03	0.0023
2023-11-14	2023-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	3,341,344	24,272		91,787		0.0004
2023-08-14	2023-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	3,317,072	2,753	0.08	88,234	6.83	0.0021
2023-07-14	2023-03-31	13F/A-1	THERMON GROUP HLDGS	COM	88362T103	3,314,319	119,412	3.74	82,593	28.74	0.0021
2023-05-15	2023-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	3,314,319	119,412		82,593		0.0021
2023-02-10	2022-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	3,194,907	131,959	4.31	64,154	35.92	0.0017
2022-11-14	2022-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	3,062,948	121,643	4.14	47,200	14.22	0.0014
2022-08-12	2022-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,941,305	-110,706	-3.63	41,324	-16.42	0.0012
2022-05-13	2022-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	3,052,011	-27,315	-0.89	49,443	-5.16	0.0012
2022-02-14	2021-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	3,079,326	49,559	1.64	52,134	-0.59	0.0012
2021-11-12	2021-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	3,029,767	-17,030	-0.56	52,445	1.02	0.0013
2021-08-13	2021-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	3,046,797	93,464	3.16	51,917	-9.80	0.0013
2021-05-14	2021-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,953,333	14,500	0.49	57,560	25.31	0.0016
2021-02-12	2020-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,938,833	45,263	1.56	45,934	41.35	0.0013
2020-11-16	2020-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,893,570	-42,467	-1.45	32,496	-24.03	0.0011
2020-08-14	2020-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,936,037	-3,556	-0.12	42,777	-3.44	0.0015
2020-05-15	2020-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,939,593	2,238	0.08	44,299	-43.73	0.0019
2020-02-14	2019-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,937,355	-1,430	-0.05	78,721	16.57	0.0027
2019-11-14	2019-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,938,785	5,408	0.18	67,532	-10.25	0.0025
2019-08-14	2019-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,933,377	16,006	0.55	75,241	5.23	0.0028
2019-05-15	2019-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,917,371	78,038	2.75	71,504	24.18	0.0028
2019-02-14	2018-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,839,333	8,878	0.31	57,582	-21.09	0.0026
2018-12-13	2018-09-30	13F/A-2	THERMON GROUP HLDGS	COM	88362T103	2,830,455	53,777	1.94	72,968	14.90	0.0029
2018-11-23	2018-09-30	13F/A-1	THERMON GROUP HLDGS	COM	88362T103	2,830,455	0		72,968		0.0029
2018-11-14	2018-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,830,455	53,777		72,968
2018-08-14	2018-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,776,678	62,439	2.30	63,503	4.40	0.0027
2018-05-15	2018-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,714,239	-18,044	-0.66	60,826	-5.95	0.0027
2018-02-14	2017-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,732,283	104,681	3.98	64,673	36.82	0.0028
2017-11-14	2017-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,627,602	12,105	0.46	47,270	-5.72	0.0022
2017-08-24	2017-06-30	13F/A-1	THERMON GROUP HLDGS	COM	88362T103	2,615,497	110,975	4.43	50,138	-3.94	0.0025
2017-08-11	2017-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,615,497	110,975		50,138
2017-05-12	2017-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,504,522	122,623	5.15	52,194	14.79	0.0027
2017-02-14	2016-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,381,899	53,388	2.29	45,470	-1.13	0.0025
2016-11-14	2016-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,328,511	48,134	2.11	45,988	4.98	0.0027
2016-08-10	2016-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,280,377	43,177	1.93	43,806	11.51	0.0027
2016-05-13	2016-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,237,200	116,123	5.47	39,285	9.46	0.0025
2016-02-08	2015-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	2,121,077	52,418	2.53	35,889	-15.58	0.0024
2015-11-12	2015-09-30	13F/A-1	THERMON GROUP HLDGS	COM	88362T103	2,068,659	36,588	1.80	42,511	-13.09	0.0018
2015-11-12	2015-09-30	13F/A-1	THERMON GROUP HLDGS	COM	88362T103	2,068,659	36,588		42,511		0.0018
2015-08-13	2015-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	2,032,071	104,823	5.44	48,912	5.44	0.0033
2015-05-15	2015-03-31	13F/A-1	THERMON GROUP HLDGS	COM	88362T103	1,927,248	89,760	4.88	46,389	4.36	0.0031
2015-05-14	2015-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	1,927,248			46,389
2015-02-12	2014-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	1,837,488	8,053	0.44	44,449	-0.50	0.0032
2014-11-12	2014-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	1,829,435	16,104	0.89	44,674	-6.39	0.0035
2014-08-11	2014-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	1,813,331	22,980	1.28	47,726	15.00	0.0038
2014-05-13	2014-03-31	13F	THERMON GROUP HLDGS	COM	88362T103	1,790,351	94,342	5.56	41,500	-10.47	0.0035
2014-02-12	2013-12-31	13F	THERMON GROUP HLDGS	COM	88362T103	1,696,009	113,868	7.20	46,352	26.77	0.0041
2013-11-07	2013-09-30	13F	THERMON GROUP HLDGS	COM	88362T103	1,582,141	170,966	12.12	36,563	27.01	0.0036
2013-08-13	2013-06-30	13F	THERMON GROUP HLDGS	COM	88362T103	1,411,175	1,411,175		28,788		0.0030

Legend

Shares: The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value: The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price: The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class: This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred

Allocation (%): The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation: The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%): The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis: The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss: This is the market value of the position as of the effective date minus the cost basis.