William Blair & Company’s Minerals Technologies MTX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$393K Buy
5,536
+106
+2% +$7.29K ﹤0.01% 1235
2025
Q4
$331K Hold
5,430
﹤0.01% 1272
2025
Q3
$337K Sell
5,430
-2,129
-28% -$130K ﹤0.01% 1266
2025
Q2
$416K Buy
7,559
+2,129
+39% +$120K ﹤0.01% 1148
2025
Q1
$345K Sell
5,430
-227
-4% -$16.2K ﹤0.01% 1202
2024
Q4
$431K Buy
5,657
+177
+3% +$13.9K ﹤0.01% 1146
2024
Q3
$423K Hold
5,480
﹤0.01% 1171
2024
Q2
$456K Buy
+5,480
New +$433K ﹤0.01% 1121
2024
Q1
Sell
-5,710
Closed -$407K 1833
2023
Q4
$407K Buy
5,710
+5
+0.1% +$296 ﹤0.01% 1127
2023
Q3
$312K Hold
5,705
﹤0.01% 1215
2023
Q2
$329K Hold
5,705
﹤0.01% 1214
2023
Q1
$345K Hold
5,705
﹤0.01% 1177
2022
Q4
$346K Sell
5,705
-2,500
-30% -$142K ﹤0.01% 1170
2022
Q3
$405K Hold
8,205
﹤0.01% 1115
2022
Q2
$503K Sell
8,205
-1,815
-18% -$116K ﹤0.01% 1063
2022
Q1
$663K Buy
10,020
+30
+0.3% +$2.08K ﹤0.01% 1058
2021
Q4
$731K Sell
9,990
-2,955
-23% -$212K ﹤0.01% 1065
2021
Q3
$904K Hold
12,945
﹤0.01% 969
2021
Q2
$1.02M Sell
12,945
-2,035
-14% -$165K ﹤0.01% 913
2021
Q1
$1.13M Hold
14,980
﹤0.01% 857
2020
Q4
$931K Buy
14,980
+220
+1% +$13.1K ﹤0.01% 871
2020
Q3
$754K Hold
14,760
﹤0.01% 845
2020
Q2
$693K Hold
14,760
﹤0.01% 842
2020
Q1
$535K Sell
14,760
-14,707
-50% -$712K ﹤0.01% 845
2019
Q4
$1.7M Hold
29,467
0.01% 649
2019
Q3
$1.56M Sell
29,467
-8,575
-23% -$439K 0.01% 641
2019
Q2
$2.04M Sell
38,042
-650
-2% -$37.9K 0.01% 573
2019
Q1
$2.27M Sell
38,692
-768
-2% -$43.9K 0.01% 519
2018
Q4
$2.03M Sell
39,460
-532
-1% -$29.7K 0.01% 520
2018
Q3
$2.7M Sell
39,992
-200
-0.5% -$14.1K 0.02% 491
2018
Q2
$3.03M Sell
40,192
-6,909
-15% -$498K 0.02% 470
2018
Q1
$3.15M Sell
47,101
-4,685
-9% -$336K 0.02% 457
2017
Q4
$3.56M Sell
51,786
-1,280
-2% -$91K 0.02% 435
2017
Q3
$3.75M Sell
53,066
-15,940
-23% -$1.09M 0.03% 407
2017
Q2
$5.05M Buy
69,006
+5,085
+8% +$379K 0.04% 338
2017
Q1
$4.91M Buy
63,921
+20,845
+48% +$1.61M 0.04% 321
2016
Q4
$3.33M Hold
43,076
0.03% 383
2016
Q3
$3.04M Sell
43,076
-200
-0.5% -$13.4K 0.03% 408
2016
Q2
$2.46M Sell
43,276
-6,000
-12% -$348K 0.02% 426
2016
Q1
$2.8M Sell
49,276
-1,740
-3% -$81.2K 0.03% 384
2015
Q4
$2.34M Sell
51,016
-170
-0.3% -$9.54K 0.02% 432
2015
Q3
$2.46M Sell
51,186
-301,371
-85% -$17.4M 0.02% 481
2015
Q2
$24M Buy
352,557
+19,000
+6% +$1.32M 0.04% 560
2015
Q1
$24.4M Buy
333,557
+6,705
+2% +$454K 0.04% 522
2014
Q4
$22.7M Sell
326,852
-21,651
-6% -$1.51M 0.04% 543
2014
Q3
$21.5M Buy
348,503
+2,846
+0.8% +$177K 0.04% 553
2014
Q2
$22.7M Sell
345,657
-34,458
-9% -$2.15M 0.04% 536
2014
Q1
$24.5M Buy
380,115
+45,887
+14% +$2.59M 0.04% 485
2013
Q4
$20.1M Buy
334,228
+24,497
+8% +$1.38M 0.03% 539
2013
Q3
$15.3M Sell
309,731
-22,561
-7% -$1.04M 0.03% 590
2013
Q2
$13.7M Buy
+332,292
New +$13.7M 0.03% 590

Other funds holding MTX