Citadel Advisors’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 | $7.15M | Sell |
31,100
-13,700
| -31% | -$3.1M | ﹤0.01% | 3779 |
|
|
2025
Q4 | $7.16M | Sell |
44,800
-11,000
| -20% | -$1.63M | ﹤0.01% | 3727 |
|
|
2025
Q3 | $6.91M | Buy |
55,800
+16,000
| +40% | +$1.71M | ﹤0.01% | 3811 |
|
|
2025
Q2 | $3.95M | Sell |
39,800
-53,100
| -57% | -$4.32M | ﹤0.01% | 4510 |
|
|
2025
Q1 | $7.45M | Buy |
92,900
+66,500
| +252% | +$6.71M | ﹤0.01% | 3275 |
|
|
2024
Q4 | $2.76M | Sell |
26,400
-5,200
| -16% | -$561K | ﹤0.01% | 4978 |
|
|
2024
Q3 | $3.44M | Buy |
31,600
+500
| +2% | +$59.4K | ﹤0.01% | 4554 |
|
|
2024
Q2 | $4.06M | Sell |
31,100
-26,800
| -46% | -$3.38M | ﹤0.01% | 4073 |
|
|
2024
Q1 | $7.7M | Buy |
57,900
+2,100
| +4% | +$244K | ﹤0.01% | 3309 |
|
|
2023
Q4 | $5.74M | Buy |
55,800
+1,700
| +3% | +$138K | ﹤0.01% | 3590 |
|
|
2023
Q3 | $4.68M | Sell |
54,100
-7,200
| -12% | -$702K | ﹤0.01% | 3759 |
|
|
2023
Q2 | $6.63M | Sell |
61,300
-12,900
| -17% | -$1.18M | ﹤0.01% | 3232 |
|
|
2023
Q1 | $6.58M | Buy |
74,200
+22,975
| +45% | +$2.19M | ﹤0.01% | 3372 |
|
|
2022
Q4 | $4.34M | Buy |
51,225
+2,900
| +6% | +$232K | ﹤0.01% | 4094 |
|
|
2022
Q3 | $3.99M | Sell |
48,325
-36,275
| -43% | -$3.73M | ﹤0.01% | 4249 |
|
|
2022
Q2 | $8.68M | Buy |
84,600
+59,800
| +241% | +$6.97M | ﹤0.01% | 2874 |
|
|
2022
Q1 | $3.72M | Buy |
24,800
+5,700
| +30% | +$886K | ﹤0.01% | 4749 |
|
|
2021
Q4 | $3.33M | Sell |
19,100
-24,100
| -56% | -$3.77M | ﹤0.01% | 5133 |
|
|
2021
Q3 | $6.52M | Buy |
43,200
+21,500
| +99% | +$3.3M | ﹤0.01% | 3813 |
|
|
2021
Q2 | $3.86M | Sell |
21,700
-13,600
| -39% | -$2.47M | ﹤0.01% | 5018 |
|
|
2021
Q1 | $6.54M | Sell |
35,300
-3,900
| -10% | -$655K | ﹤0.01% | 3722 |
|
|
2020
Q4 | $5.9M | Buy |
39,200
+26,200
| +202% | +$3.43M | ﹤0.01% | 3407 |
|
|
2020
Q3 | $1.42M | Sell |
13,000
-8,500
| -40% | -$996K | ﹤0.01% | 5377 |
|
|
2020
Q2 | $2.44M | Buy |
21,500
+9,800
| +84% | +$975K | ﹤0.01% | 4219 |
|
|
2020
Q1 | $953K | Buy |
11,700
+3,800
| +48% | +$389K | ﹤0.01% | 5417 |
|
|
2019
Q4 | $869K | Sell |
7,900
-6,600
| -46% | -$691K | ﹤0.01% | 5854 |
|
|
2019
Q3 | $1.34M | Sell |
14,500
-4,500
| -24% | -$372K | ﹤0.01% | 5121 |
|
|
2019
Q2 | $1.48M | Buy |
19,000
+5,600
| +42% | +$473K | ﹤0.01% | 5041 |
|
|
2019
Q1 | $1.25M | Buy |
13,400
+6,700
| +100% | +$540K | ﹤0.01% | 5207 |
|
|
2018
Q4 | $433K | Sell |
6,700
-9,900
| -60% | -$716K | ﹤0.01% | 6628 |
|
|
2018
Q3 | $1.33M | Sell |
16,600
-5,200
| -24% | -$475K | ﹤0.01% | 5065 |
|
|
2018
Q2 | $2.09M | Buy |
21,800
+2,600
| +14% | +$284K | ﹤0.01% | 4046 |
|
|
2018
Q1 | $2.22M | Sell |
19,200
-500
| -3% | -$54.9K | ﹤0.01% | 3569 |
|
|
2017
Q4 | $1.86M | Buy |
19,700
+200
| +1% | +$19.9K | ﹤0.01% | 3733 |
|
|
2017
Q3 | $1.84M | Buy |
19,500
+9,300
| +91% | +$760K | ﹤0.01% | 3501 |
|
|
2017
Q2 | $686K | Buy |
10,200
+1,500
| +17% | +$114K | ﹤0.01% | 4660 |
|
|
2017
Q1 | $598K | Buy |
8,700
+4,400
| +102% | +$290K | ﹤0.01% | 4738 |
|
|
2016
Q4 | $255K | Buy |
+4,300
| New | +$232K | ﹤0.01% | 5909 |
|
|
2016
Q2 | – | Sell |
-7,400
| Closed | -$279K | – | 7167 |
|
|
2016
Q1 | $279K | Buy |
7,400
+3,000
| +68% | +$102K | ﹤0.01% | 5192 |
|
|
2015
Q4 | $158K | Buy |
4,400
+3,100
| +238% | +$110K | ﹤0.01% | 6134 |
|
|
2015
Q3 | $44K | Sell |
1,300
-3,700
| -74% | -$129K | ﹤0.01% | 7666 |
|
|
2015
Q2 | $190K | Sell |
5,000
-1,400
| -22% | -$51K | ﹤0.01% | 6393 |
|
|
2015
Q1 | $216K | Buy |
6,400
+4,400
| +220% | +$155K | ﹤0.01% | 6088 |
|
|
2014
Q4 | $73K | Buy |
2,000
+1,800
| +900% | +$63.7K | ﹤0.01% | 6920 |
|
|
2014
Q3 | $7K | Buy |
+200
| New | +$6.55K | ﹤0.01% | 7838 |
|
|
2014
Q2 | – | Sell |
-700
| Closed | -$21K | – | 8156 |
|
|
2014
Q1 | $21K | Buy |
700
+300
| +75% | +$9K | ﹤0.01% | 7267 |
|
|
2013
Q4 | $12K | Sell |
400
-600
| -60% | -$17.4K | ﹤0.01% | 6665 |
|
|
2013
Q3 | $27K | Sell |
1,000
-200
| -17% | -$5.34K | ﹤0.01% | 6076 |
|
|
2013
Q2 | $32K | Buy |
+1,200
| New | +$32.5K | ﹤0.01% | 5871 |
|
Other funds holding MKSI
VPM
VCM
Citadel Advisors's MKSI Position: Q1 2026 in Review
Citadel Advisors increased its MKS Inc (MKSI) stake by 107% in Q1 2026, buying an estimated $111M and bringing the position to 947,032 shares worth $218M. The position accounts for 0.04% of the portfolio, ranked #423.
Citadel Advisors first reported a position in MKSI in Q2 2013 and has held it in 48 quarters since. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.
- Citadel Advisors held 947,032 shares of MKS Inc worth $218M as of Q1 2026.
- Citadel Advisors bought 489,159 MKS Inc shares in Q1 2026, an estimated $111M.
- MKS Inc made up 0.04% of Citadel Advisors's portfolio in Q1 2026, its #423 holding.
- Citadel Advisors first reported a position in MKS Inc in Q2 2013 and has held it in 48 quarters since.
- 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.