GKIM
THR

GW&K Investment Management’s Thermon Group Holdings THR Stock Holding History

GW&K Investment Management’s Portfolio THR Stock Details THR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$48M Sell
952,518
-674,739
-41% -$31.4M 0.42% 81
2025
Q4 		$60.5M Buy
1,627,257
+197,715
+14% +$6.49M 0.52% 55
2025
Q3 		$38.2M Buy
1,429,542
+817,138
+133% +$22M 0.34% 115
2025
Q2 		$17.2M Buy
612,404
+20,142
+3% +$546K 0.15% 217
2025
Q1 		$16.5M Buy
592,262
+9,292
+2% +$269K 0.15% 223
2024
Q4 		$16.8M Buy
+582,970
New +$17.2M 0.14% 229
2022
Q2 		– Sell
-73
Closed -$1K – 846
2022
Q1 		$1K Sell
73
-177,515
-100% -$3.09M ﹤0.01% 796
2021
Q4 		$3.01M Sell
177,588
-6,253
-3% -$109K 0.03% 300
2021
Q3 		$3.18M Sell
183,841
-3,218
-2% -$53.5K 0.03% 300
2021
Q2 		$3.19M Sell
187,059
-2,940
-2% -$54.7K 0.03% 312
2021
Q1 		$3.7M Sell
189,999
-1,819
-0.9% -$33.2K 0.03% 308
2020
Q4 		$3M Sell
191,818
-4,449
-2% -$59.3K 0.03% 311
2020
Q3 		$2.2M Sell
196,267
-4,333
-2% -$57.3K 0.03% 281
2020
Q2 		$2.92M Sell
200,600
-2,755
-1% -$40.8K 0.04% 265
2020
Q1 		$3.06M Sell
203,355
-12,048
-6% -$251K 0.05% 242
2019
Q4 		$5.77M Sell
215,403
-10,172
-5% -$256K 0.08% 230
2019
Q3 		$5.18M Buy
225,575
+66,289
+42% +$1.57M 0.07% 233
2019
Q2 		$4.09M Sell
159,286
-1,808
-1% -$45.1K 0.06% 257
2019
Q1 		$3.95M Sell
161,094
-25,524
-14% -$608K 0.06% 230
2018
Q4 		$3.79M Sell
186,618
-7,081
-4% -$160K 0.07% 212
2018
Q3 		$4.99M Buy
193,699
+91,850
+90% +$2.32M 0.08% 210
2018
Q2 		$2.33M Sell
101,849
-969
-0.9% -$22.7K 0.04% 223
2018
Q1 		$2.3M Sell
102,818
-1,007
-1% -$23.2K 0.04% 224
2017
Q4 		$2.46M Buy
103,825
+30,473
+42% +$665K 0.04% 216
2017
Q3 		$1.32M Sell
73,352
-1,076
-1% -$18.9K 0.02% 213
2017
Q2 		$1.43M Sell
74,428
-2,205
-3% -$43.3K 0.02% 208
2017
Q1 		$1.6M Sell
76,633
-819
-1% -$16.4K 0.03% 205
2016
Q4 		$1.48M Sell
77,452
-13,007
-14% -$255K 0.03% 214
2016
Q3 		$1.79M Sell
90,459
-1,827
-2% -$35.5K 0.03% 208
2016
Q2 		$1.77M Buy
92,286
+9,736
+12% +$187K 0.04% 208
2016
Q1 		$1.45M Buy
82,550
+37,650
+84% +$631K 0.03% 207
2015
Q4 		$760K Sell
44,900
-150
-0.3% -$2.85K 0.02% 219
2015
Q3 		$926K Buy
45,050
+625
+1% +$14.5K 0.02% 211
2015
Q2 		$1.07M Sell
44,425
-1,290
-3% -$30.3K 0.02% 209
2015
Q1 		$1.1M Buy
45,715
+1,100
+2% +$25.3K 0.03% 207
2014
Q4 		$1.08M Buy
44,615
+6,135
+16% +$146K 0.03% 203
2014
Q3 		$940K Buy
38,480
+8,580
+29% +$221K 0.02% 207
2014
Q2 		$787K Buy
29,900
+11,730
+65% +$286K 0.02% 205
2014
Q1 		$421K Buy
18,170
+2,140
+13% +$55K 0.01% 205
2013
Q4 		$438K Buy
16,030
+2,500
+18% +$65.1K 0.01% 199
2013
Q3 		$313K Buy
13,530
+1,360
+11% +$28.8K 0.01% 205
2013
Q2 		$248K Buy
+12,170
New +$244K 0.01% 208

Other funds holding THR

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
MVP
Medina Value Partners Los Angeles, California $477M AUM 25.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
WHG
Westwood Holdings Group Dallas, Texas $13.7B AUM 21.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $9.84B AUM 190.63% 1-Year Est. Return

GW&K Investment Management's THR Position: Q1 2026 in Review

GW&K Investment Management reduced its Thermon Group Holdings (THR) stake by 41% in Q1 2026, selling an estimated $31.4M and leaving 952,518 shares worth $48M. The position accounts for 0.42% of the portfolio, ranked #81.

GW&K Investment Management first reported a position in THR in Q2 2013 and has held it in 42 quarters since. The position peaked at $60.5M in Q4 2025. 215 funds tracked by Wall St. Rank hold THR as of Q1 2026.

  • GW&K Investment Management held 952,518 shares of Thermon Group Holdings worth $48M as of Q1 2026.
  • GW&K Investment Management sold 674,739 Thermon Group Holdings shares in Q1 2026, an estimated $31.4M.
  • Thermon Group Holdings made up 0.42% of GW&K Investment Management's portfolio in Q1 2026, its #81 holding.
  • GW&K Investment Management first reported a position in Thermon Group Holdings in Q2 2013 and has held it in 42 quarters since.
  • GW&K Investment Management's Thermon Group Holdings position peaked at $60.5M in Q4 2025.
  • 215 funds tracked by Wall St. Rank held Thermon Group Holdings as of Q1 2026.

Based on GW&K Investment Management's 13F filing for Q1 2026, filed 13 May 2026.