GKIM
MTX icon

GW&K Investment Management’s Minerals Technologies MTX Stock Holding History

GW&K Investment Management’s Portfolio MTX Stock Details MTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$23.5M Sell
317,308
-4,379
-1% -$331K 0.18% 197
2026
Q1 		$22.8M Sell
321,687
-5,863
-2% -$403K 0.2% 179
2025
Q4 		$20M Sell
327,550
-126,586
-28% -$7.5M 0.17% 206
2025
Q3 		$28.2M Sell
454,136
-13,007
-3% -$793K 0.25% 161
2025
Q2 		$25.7M Buy
467,143
+61,128
+15% +$3.45M 0.23% 168
2025
Q1 		$25.8M Sell
406,015
-13,598
-3% -$970K 0.24% 163
2024
Q4 		$32M Sell
419,613
-10,489
-2% -$826K 0.27% 146
2024
Q3 		$33.2M Sell
430,102
-19,524
-4% -$1.5M 0.28% 146
2024
Q2 		$37.4M Sell
449,626
-117,357
-21% -$9.28M 0.34% 118
2024
Q1 		$42.7M Sell
566,983
-11,748
-2% -$825K 0.38% 111
2023
Q4 		$41.3M Sell
578,731
-39,523
-6% -$2.34M 0.38% 103
2023
Q3 		$33.9M Buy
618,254
+7,188
+1% +$410K 0.34% 122
2023
Q2 		$35.3M Sell
611,066
-6,675
-1% -$389K 0.33% 121
2023
Q1 		$37.3M Buy
617,741
+7,355
+1% +$458K 0.36% 121
2022
Q4 		$37.1M Sell
610,386
-13,153
-2% -$745K 0.38% 120
2022
Q3 		$30.8M Sell
623,539
-53,610
-8% -$3.26M 0.34% 127
2022
Q2 		$41.5M Buy
677,149
+30,448
+5% +$1.95M 0.45% 93
2022
Q1 		$42.8M Sell
646,701
-4,557
-0.7% -$315K 0.38% 120
2021
Q4 		$47.6M Buy
651,258
+147,840
+29% +$10.6M 0.4% 104
2021
Q3 		$35.2M Sell
503,418
-11,966
-2% -$914K 0.31% 141
2021
Q2 		$40.5M Buy
515,384
+14,575
+3% +$1.18M 0.35% 125
2021
Q1 		$37.7M Sell
500,809
-6,335
-1% -$448K 0.35% 131
2020
Q4 		$31.5M Buy
507,144
+294,327
+138% +$17.5M 0.33% 141
2020
Q3 		$10.9M Buy
212,817
+208,147
+4,457% +$10.3M 0.14% 208
2020
Q2 		$219K Sell
4,670
-35
-0.7% -$1.53K ﹤0.01% 315
2020
Q1 		$171K Buy
+4,705
New +$228K ﹤0.01% 311

Other funds holding MTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

GW&K Investment Management's MTX Position: Q2 2026 in Review

GW&K Investment Management reduced its Minerals Technologies (MTX) stake by 1.4% in Q2 2026, selling an estimated $331K and leaving 317,308 shares worth $23.5M. The position accounts for 0.18% of the portfolio, ranked #197.

GW&K Investment Management first reported a position in MTX in Q1 2020 and has held it in 26 quarters since. The position peaked at $47.6M in Q4 2021. 293 funds tracked by Wall St. Rank hold MTX as of Q2 2026.

  • GW&K Investment Management held 317,308 shares of Minerals Technologies worth $23.5M as of Q2 2026.
  • GW&K Investment Management sold 4,379 Minerals Technologies shares in Q2 2026, an estimated $331K.
  • Minerals Technologies made up 0.18% of GW&K Investment Management's portfolio in Q2 2026, its #197 holding.
  • GW&K Investment Management first reported a position in Minerals Technologies in Q1 2020 and has held it in 26 quarters since.
  • GW&K Investment Management's Minerals Technologies position peaked at $47.6M in Q4 2021.
  • 293 funds tracked by Wall St. Rank held Minerals Technologies as of Q2 2026.

Based on GW&K Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.