Janus Henderson Group’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
$6.98M Buy
30,370
+1,300
+4% +$294K ﹤0.01% 862
2025
Q4
$4.65M Hold
29,070
﹤0.01% 967
2025
Q3
$3.6M Sell
29,070
-61,866
-68% -$6.59M ﹤0.01% 1056
2025
Q2
$9.03M Buy
90,936
+61,866
+213% +$5.03M ﹤0.01% 746
2025
Q1
$2.37M Sell
29,070
-2,000
-6% -$202K ﹤0.01% 1187
2024
Q4
$3.24M Hold
31,070
﹤0.01% 1079
2024
Q3
$3.38M Hold
31,070
﹤0.01% 1052
2024
Q2
$4.05M Sell
31,070
-322
-1% -$40.6K ﹤0.01% 930
2024
Q1
$4.18M Sell
31,392
-30,004
-49% -$3.49M ﹤0.01% 945
2023
Q4
$6.32M Buy
61,396
+34,469
+128% +$2.8M ﹤0.01% 759
2023
Q3
$2.33M Buy
26,927
+15
+0.1% +$1.46K ﹤0.01% 1102
2023
Q2
$2.91M Sell
26,912
-85
-0.3% -$7.78K ﹤0.01% 1055
2023
Q1
$2.39M Sell
26,997
-12,217
-31% -$1.17M ﹤0.01% 1169
2022
Q4
$3.32M Sell
39,214
-29,892
-43% -$2.4M ﹤0.01% 964
2022
Q3
$5.71M Buy
69,106
+17,047
+33% +$1.75M ﹤0.01% 962
2022
Q2
$5.34M Sell
52,059
-281,061
-84% -$32.7M ﹤0.01% 828
2022
Q1
$50M Buy
333,120
+21,853
+7% +$3.4M 0.02% 501
2021
Q4
$54.2M Buy
311,267
+293,013
+1,605% +$45.8M 0.02% 517
2021
Q3
$2.75M Sell
18,254
-918
-5% -$141K ﹤0.01% 1183
2021
Q2
$3.41M Buy
19,172
+2,439
+15% +$443K ﹤0.01% 1138
2021
Q1
$3.1M Buy
+16,733
New +$2.81M ﹤0.01% 1106
2020
Q3
Sell
-276,105
Closed -$31.3M 1344
2020
Q2
$31.3M Sell
276,105
-300,957
-52% -$29.9M 0.02% 602
2020
Q1
$47M Buy
577,062
+48,171
+9% +$4.93M 0.03% 471
2019
Q4
$58.2M Sell
528,891
-216,735
-29% -$22.7M 0.03% 537
2019
Q3
$68.8M Buy
745,626
+573,967
+334% +$47.4M 0.04% 482
2019
Q2
$13.4M Buy
171,659
+134,655
+364% +$11.4M 0.01% 884
2019
Q1
$3.44M Sell
37,004
-2,482
-6% -$200K ﹤0.01% 1056
2018
Q4
$2.55M Buy
39,486
+5,111
+15% +$370K ﹤0.01% 1070
2018
Q3
$2.75M Buy
34,375
+30,935
+899% +$2.83M ﹤0.01% 1128
2018
Q2
$329K Buy
+3,440
New +$375K ﹤0.01% 1326

Other funds holding MKSI

Janus Henderson Group's MKSI Position: Q1 2026 in Review

Janus Henderson Group increased its MKS Inc (MKSI) stake by 4.5% in Q1 2026, buying an estimated $294K and bringing the position to 30,370 shares worth $6.98M. The position accounts for ﹤0.01% of the portfolio, ranked #862.

Janus Henderson Group first reported a position in MKSI in Q2 2018 and has held it in 30 quarters since. The position peaked at $68.8M in Q3 2019. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • Janus Henderson Group held 30,370 shares of MKS Inc worth $6.98M as of Q1 2026.
  • Janus Henderson Group bought 1,300 MKS Inc shares in Q1 2026, an estimated $294K.
  • MKS Inc made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #862 holding.
  • Janus Henderson Group first reported a position in MKS Inc in Q2 2018 and has held it in 30 quarters since.
  • Janus Henderson Group's MKS Inc position peaked at $68.8M in Q3 2019.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.