AUSTIN, TX
THERMON GROUP HOLDINGS, INC.THR— Latest position per institution from SEC 13F filings
15
Institutional holders
25.29M
Total shares held
1.10B
Estimated value
1.26M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
3.07M
Value
114.08M
Filed
Dec 31, 2025
FMR LLC
CIK 315066
Shares
2.97M
Value
149.72M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
2.59M
Value
130.44M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
2.57M
Value
79.04M
Filed
Jun 30, 2024
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.73M
Value
87.19M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.40M
Value
70.77M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.39M
Value
69.91M
Filed
Mar 31, 2026
MEDINA VALUE PARTNERS, LLC
CIK 1843543
Shares
966.32K
Value
48.70M
Filed
Mar 31, 2026
GW&K INVESTMENT MANAGEMENT, LLC
CIK 1082917
Shares
952.52K
Value
48.01K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
832.52K
Value
41.97M
Filed
Mar 31, 2026
WESTWOOD HOLDINGS GROUP INC
CIK 1165002
Shares
782.76K
Value
39.45M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
772.53K
Value
38.94M
Filed
Mar 31, 2026
MAGNETAR FINANCIAL LLC
CIK 1352851
Shares
758K
Value
38.20M
Filed
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
731.37K
Value
27.18M
Filed
Dec 31, 2025
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
679.68K
Value
34.26M
Filed
Mar 31, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 1644956
Shares
647.54K
Value
32.64M
Filed
Mar 31, 2026
HARVEY PARTNERS, LLC
CIK 1406484
Shares
646.73K
Value
32.60M
Filed
Mar 31, 2026
NEEDHAM INVESTMENT MANAGEMENT LLC
CIK 1167212
Shares
632.50K
Value
31.88M
Filed
Mar 31, 2026
VAN BERKOM & ASSOCIATES INC.
CIK 1524408
Shares
592.05K
Value
14.75K
Filed
Mar 31, 2023
CITIGROUP INC
CIK 831001
Shares
577.93K
Value
29.13M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 3.07M | 114.08M | Dec 31, 2025 |
| 2 | FMR LLC | 315066 | 2.97M | 149.72M | Mar 31, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 2.59M | 130.44M | Mar 31, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 2.57M | 79.04M | Jun 30, 2024 |
| 5 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.73M | 87.19M | Mar 31, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.40M | 70.77M | Mar 31, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.39M | 69.91M | Mar 31, 2026 |
| 8 | MEDINA VALUE PARTNERS, LLC | 1843543 | 966.32K | 48.70M | Mar 31, 2026 |
| 9 | GW&K INVESTMENT MANAGEMENT, LLC | 1082917 | 952.52K | 48.01K | Mar 31, 2026 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 832.52K | 41.97M | Mar 31, 2026 |
| 11 | WESTWOOD HOLDINGS GROUP INC | 1165002 | 782.76K | 39.45M | Mar 31, 2026 |
| 12 | STATE STREET CORP | 93751 | 772.53K | 38.94M | Mar 31, 2026 |
| 13 | MAGNETAR FINANCIAL LLC | 1352851 | 758K | 38.20M | Mar 31, 2026 |
| 14 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 731.37K | 27.18M | Dec 31, 2025 |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 679.68K | 34.26M | Mar 31, 2026 |
| 16 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | 647.54K | 32.64M | Mar 31, 2026 |
| 17 | HARVEY PARTNERS, LLC | 1406484 | 646.73K | 32.60M | Mar 31, 2026 |
| 18 | NEEDHAM INVESTMENT MANAGEMENT LLC | 1167212 | 632.50K | 31.88M | Mar 31, 2026 |
| 19 | VAN BERKOM & ASSOCIATES INC. | 1524408 | 592.05K | 14.75K | Mar 31, 2023 |
| 20 | CITIGROUP INC | 831001 | 577.93K | 29.13M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.