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 | $12.8M | Buy |
55,700
+11,900
| +27% | +$2.69M | ﹤0.01% | 2894 |
|
|
2025
Q4 | $7M | Buy |
43,800
+15,300
| +54% | +$2.27M | ﹤0.01% | 3763 |
|
|
2025
Q3 | $3.53M | Sell |
28,500
-5,100
| -15% | -$544K | ﹤0.01% | 4998 |
|
|
2025
Q2 | $3.34M | Buy |
33,600
+4,300
| +15% | +$349K | ﹤0.01% | 4796 |
|
|
2025
Q1 | $2.35M | Buy |
29,300
+7,500
| +34% | +$757K | ﹤0.01% | 5229 |
|
|
2024
Q4 | $2.28M | Buy |
21,800
+10,300
| +90% | +$1.11M | ﹤0.01% | 5359 |
|
|
2024
Q3 | $1.25M | Sell |
11,500
-28,200
| -71% | -$3.35M | ﹤0.01% | 6399 |
|
|
2024
Q2 | $5.18M | Buy |
39,700
+9,700
| +32% | +$1.22M | ﹤0.01% | 3699 |
|
|
2024
Q1 | $3.99M | Buy |
30,000
+12,700
| +73% | +$1.48M | ﹤0.01% | 4304 |
|
|
2023
Q4 | $1.78M | Sell |
17,300
-34,700
| -67% | -$2.82M | ﹤0.01% | 5574 |
|
|
2023
Q3 | $4.5M | Buy |
52,000
+700
| +1% | +$68.3K | ﹤0.01% | 3832 |
|
|
2023
Q2 | $5.55M | Buy |
51,300
+19,700
| +62% | +$1.8M | ﹤0.01% | 3492 |
|
|
2023
Q1 | $2.8M | Sell |
31,600
-21,710
| -41% | -$2.07M | ﹤0.01% | 4757 |
|
|
2022
Q4 | $4.52M | Buy |
53,310
+22,500
| +73% | +$1.8M | ﹤0.01% | 4022 |
|
|
2022
Q3 | $2.55M | Buy |
30,810
+9,310
| +43% | +$958K | ﹤0.01% | 5126 |
|
|
2022
Q2 | $2.21M | Sell |
21,500
-11,700
| -35% | -$1.36M | ﹤0.01% | 5347 |
|
|
2022
Q1 | $4.98M | Buy |
33,200
+18,100
| +120% | +$2.81M | ﹤0.01% | 4185 |
|
|
2021
Q4 | $2.63M | Sell |
15,100
-5,900
| -28% | -$922K | ﹤0.01% | 5603 |
|
|
2021
Q3 | $3.17M | Sell |
21,000
-4,900
| -19% | -$752K | ﹤0.01% | 5237 |
|
|
2021
Q2 | $4.61M | Sell |
25,900
-500
| -2% | -$90.8K | ﹤0.01% | 4619 |
|
|
2021
Q1 | $4.89M | Buy |
26,400
+2,600
| +11% | +$437K | ﹤0.01% | 4299 |
|
|
2020
Q4 | $3.58M | Buy |
23,800
+11,500
| +93% | +$1.5M | ﹤0.01% | 4279 |
|
|
2020
Q3 | $1.34M | Sell |
12,300
-2,700
| -18% | -$316K | ﹤0.01% | 5477 |
|
|
2020
Q2 | $1.7M | Sell |
15,000
-600
| -4% | -$59.7K | ﹤0.01% | 4859 |
|
|
2020
Q1 | $1.27M | Buy |
15,600
+6,400
| +70% | +$655K | ﹤0.01% | 4913 |
|
|
2019
Q4 | $1.01M | Buy |
9,200
+1,600
| +21% | +$168K | ﹤0.01% | 5557 |
|
|
2019
Q3 | $701K | Sell |
7,600
-2,100
| -22% | -$173K | ﹤0.01% | 6191 |
|
|
2019
Q2 | $756K | Sell |
9,700
-300
| -3% | -$25.4K | ﹤0.01% | 6160 |
|
|
2019
Q1 | $931K | Sell |
10,000
-1,500
| -13% | -$121K | ﹤0.01% | 5717 |
|
|
2018
Q4 | $743K | Sell |
11,500
-8,400
| -42% | -$607K | ﹤0.01% | 5775 |
|
|
2018
Q3 | $1.59M | Sell |
19,900
-14,800
| -43% | -$1.35M | ﹤0.01% | 4767 |
|
|
2018
Q2 | $3.32M | Buy |
34,700
+12,400
| +56% | +$1.35M | ﹤0.01% | 3331 |
|
|
2018
Q1 | $2.58M | Sell |
22,300
-2,900
| -12% | -$318K | ﹤0.01% | 3354 |
|
|
2017
Q4 | $2.38M | Buy |
25,200
+11,200
| +80% | +$1.12M | ﹤0.01% | 3385 |
|
|
2017
Q3 | $1.32M | Sell |
14,000
-3,300
| -19% | -$270K | ﹤0.01% | 3931 |
|
|
2017
Q2 | $1.16M | Buy |
17,300
+14,100
| +441% | +$1.07M | ﹤0.01% | 3869 |
|
|
2017
Q1 | $220K | Sell |
3,200
-4,900
| -60% | -$323K | ﹤0.01% | 6362 |
|
|
2016
Q4 | $481K | Buy |
8,100
+3,000
| +59% | +$162K | ﹤0.01% | 4964 |
|
|
2016
Q3 | $254K | Buy |
+5,100
| New | +$240K | ﹤0.01% | 5946 |
|
|
2015
Q4 | – | Sell |
-7,300
| Closed | -$245K | – | 8997 |
|
|
2015
Q3 | $245K | Sell |
7,300
-500
| -6% | -$17.4K | ﹤0.01% | 5860 |
|
|
2015
Q2 | $296K | Buy |
7,800
+1,200
| +18% | +$43.7K | ﹤0.01% | 5762 |
|
|
2015
Q1 | $223K | Buy |
+6,600
| New | +$232K | ﹤0.01% | 6055 |
|
|
2014
Q4 | – | Sell |
-300
| Closed | -$10K | – | 8637 |
|
|
2014
Q3 | $10K | Sell |
300
-600
| -67% | -$19.6K | ﹤0.01% | 7753 |
|
|
2014
Q2 | $28K | Sell |
900
-900
| -50% | -$26.1K | ﹤0.01% | 7114 |
|
|
2014
Q1 | $54K | Sell |
1,800
-1,000
| -36% | -$30K | ﹤0.01% | 6719 |
|
|
2013
Q4 | $84K | Sell |
2,800
-400
| -13% | -$11.6K | ﹤0.01% | 5738 |
|
|
2013
Q3 | $85K | Sell |
3,200
-1,000
| -24% | -$26.7K | ﹤0.01% | 5452 |
|
|
2013
Q2 | $111K | Buy |
+4,200
| New | +$114K | ﹤0.01% | 5140 |
|
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.