AllianceBernstein’s MKS Inc MKSI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$51.1M Buy
319,921
+233,799
+271% +$52.9M 0.02% 588
2025
Q4
$13.8M Buy
86,122
+1,410
+2% +$209K ﹤0.01% 1111
2025
Q3
$10.5M Sell
84,712
-1,178
-1% -$126K ﹤0.01% 1188
2025
Q2
$8.53M Sell
85,890
-1,275
-1% -$104K ﹤0.01% 1239
2025
Q1
$6.99M Sell
87,165
-1,321
-1% -$133K ﹤0.01% 1322
2024
Q4
$9.24M Sell
88,486
-2,513
-3% -$271K ﹤0.01% 1221
2024
Q3
$9.89M Buy
90,999
+2,954
+3% +$351K ﹤0.01% 1195
2024
Q2
$11.5M Sell
88,045
-3,199
-4% -$404K ﹤0.01% 1103
2024
Q1
$12.1M Sell
91,244
-1,329
-1% -$154K ﹤0.01% 1065
2023
Q4
$9.52M Buy
92,573
+1,092
+1% +$88.7K ﹤0.01% 1184
2023
Q3
$7.92M Buy
91,481
+3,140
+4% +$306K ﹤0.01% 1206
2023
Q2
$9.55M Buy
88,341
+2,845
+3% +$260K ﹤0.01% 1147
2023
Q1
$7.58M Sell
85,496
-130,827
-60% -$12.5M ﹤0.01% 1220
2022
Q4
$18.3M Sell
216,323
-134,751
-38% -$10.8M 0.01% 862
2022
Q3
$29M Buy
351,074
+36,346
+12% +$3.74M 0.01% 719
2022
Q2
$32.3M Sell
314,728
-47,227
-13% -$5.5M 0.01% 698
2022
Q1
$54.3M Sell
361,955
-108,123
-23% -$16.8M 0.02% 577
2021
Q4
$81.9M Buy
470,078
+1,399
+0.3% +$219K 0.03% 495
2021
Q3
$70.7M Sell
468,679
-974,794
-68% -$150M 0.03% 527
2021
Q2
$257M Sell
1,443,473
-11,900
-0.8% -$2.16M 0.1% 183
2021
Q1
$270M Sell
1,455,373
-147,082
-9% -$24.7M 0.12% 167
2020
Q4
$241M Sell
1,602,455
-146,018
-8% -$19.1M 0.11% 161
2020
Q3
$191M Buy
1,748,473
+310,217
+22% +$36.4M 0.1% 169
2020
Q2
$163M Buy
1,438,256
+691,921
+93% +$68.8M 0.1% 188
2020
Q1
$60.8M Buy
746,335
+574,742
+335% +$58.8M 0.04% 389
2019
Q4
$18.9M Buy
171,593
+3,066
+2% +$321K 0.01% 839
2019
Q3
$15.6M Buy
168,527
+43,461
+35% +$3.59M 0.01% 884
2019
Q2
$9.74M Buy
125,066
+5,870
+5% +$496K 0.01% 1073
2019
Q1
$11.1M Sell
119,196
-4,520
-4% -$364K 0.01% 1013
2018
Q4
$7.99M Buy
123,716
+75,666
+157% +$5.47M 0.01% 1088
2018
Q3
$3.85M Buy
48,050
+4,614
+11% +$422K ﹤0.01% 1464
2018
Q2
$4.16M Sell
43,436
-92,254
-68% -$10.1M ﹤0.01% 1369
2018
Q1
$15.7M Sell
135,690
-5,430
-4% -$596K 0.01% 834
2017
Q4
$13.3M Buy
141,120
+1,336
+1% +$133K 0.01% 880
2017
Q3
$13.2M Buy
139,784
+25,240
+22% +$2.06M 0.01% 876
2017
Q2
$7.71M Buy
114,544
+32,240
+39% +$2.44M 0.01% 1013
2017
Q1
$5.66M Sell
82,304
-5,200
-6% -$342K ﹤0.01% 1130
2016
Q4
$5.2M Sell
87,504
-427,125
-83% -$23M ﹤0.01% 1169
2016
Q3
$25.6M Sell
514,629
-132,240
-20% -$6.24M 0.02% 625
2016
Q2
$27.9M Buy
646,869
+18,640
+3% +$724K 0.02% 585
2016
Q1
$23.7M Sell
628,229
-22,000
-3% -$752K 0.02% 645
2015
Q4
$23.4M Buy
650,229
+62,050
+11% +$2.21M 0.02% 653
2015
Q3
$19.7M Buy
588,179
+25,380
+5% +$883K 0.02% 708
2015
Q2
$21.4M Sell
562,799
-19,895
-3% -$724K 0.02% 713
2015
Q1
$19.7M Sell
582,694
-9,380
-2% -$330K 0.02% 732
2014
Q4
$21.7M Sell
592,074
-102,380
-15% -$3.62M 0.02% 676
2014
Q3
$23.2M Buy
694,454
+50,610
+8% +$1.66M 0.02% 655
2014
Q2
$20.1M Sell
643,844
-891,674
-58% -$25.8M 0.02% 694
2014
Q1
$45.9M Sell
1,535,518
-96,164
-6% -$2.89M 0.04% 483
2013
Q4
$48.9M Sell
1,631,682
-11,039
-0.7% -$321K 0.04% 443
2013
Q3
$43.7M Sell
1,642,721
-31,559
-2% -$843K 0.04% 462
2013
Q2
$44.4M Buy
+1,674,280
New +$45.3M 0.05% 421

Other funds holding MKSI

AllianceBernstein's MKSI Position: Q1 2026 in Review

AllianceBernstein increased its MKS Inc (MKSI) stake by 271% in Q1 2026, buying an estimated $52.9M and bringing the position to 319,921 shares worth $51.1M. The position accounts for 0.02% of the portfolio, ranked #588.

AllianceBernstein first reported a position in MKSI in Q2 2013 and has held it in 52 quarters since. The position peaked at $270M in Q1 2021. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • AllianceBernstein held 319,921 shares of MKS Inc worth $51.1M as of Q1 2026.
  • AllianceBernstein bought 233,799 MKS Inc shares in Q1 2026, an estimated $52.9M.
  • MKS Inc made up 0.02% of AllianceBernstein's portfolio in Q1 2026, its #588 holding.
  • AllianceBernstein first reported a position in MKS Inc in Q2 2013 and has held it in 52 quarters since.
  • AllianceBernstein's MKS Inc position peaked at $270M in Q1 2021.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on AllianceBernstein's 13F filing for Q1 2026, filed 15 May 2026.