Renaissance Technologies’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 | $23.8M | Buy |
+103,603
| New | +$23.4M | 0.04% | 578 |
|
|
2025
Q2 | – | Sell |
-37,803
| Closed | -$3.03M | – | 3771 |
|
|
2025
Q1 | $3.03M | Sell |
37,803
-87,600
| -70% | -$8.84M | ﹤0.01% | 1736 |
|
|
2024
Q4 | $13.1M | Buy |
+125,403
| New | +$13.5M | 0.02% | 848 |
|
|
2023
Q4 | – | Sell |
-140,703
| Closed | -$12.2M | – | 3974 |
|
|
2023
Q3 | $12.2M | Buy |
+140,703
| New | +$13.7M | 0.02% | 802 |
|
|
2023
Q2 | – | Sell |
-229,203
| Closed | -$20.3M | – | 4138 |
|
|
2023
Q1 | $20.3M | Sell |
229,203
-109,300
| -32% | -$10.4M | 0.03% | 705 |
|
|
2022
Q4 | $28.7M | Buy |
338,503
+3,525
| +1% | +$283K | 0.04% | 550 |
|
|
2022
Q3 | $27.7M | Buy |
334,978
+125,326
| +60% | +$12.9M | 0.04% | 520 |
|
|
2022
Q2 | $21.5M | Buy |
209,652
+133,800
| +176% | +$15.6M | 0.03% | 690 |
|
|
2022
Q1 | $11.4M | Sell |
75,852
-67,300
| -47% | -$10.5M | 0.01% | 1047 |
|
|
2021
Q4 | $24.9M | Sell |
143,152
-25,800
| -15% | -$4.03M | 0.03% | 605 |
|
|
2021
Q3 | $25.5M | Buy |
+168,952
| New | +$25.9M | 0.03% | 564 |
|
|
2021
Q1 | – | Sell |
-64,452
| Closed | -$9.7M | – | 3560 |
|
|
2020
Q4 | $9.7M | Sell |
64,452
-117,200
| -65% | -$15.3M | 0.01% | 1191 |
|
|
2020
Q3 | $19.8M | Buy |
+181,652
| New | +$21.3M | 0.02% | 743 |
|
|
2020
Q2 | – | Sell |
-257,020
| Closed | -$20.9M | – | 3649 |
|
|
2020
Q1 | $20.9M | Sell |
257,020
-438,263
| -63% | -$44.8M | 0.02% | 746 |
|
|
2019
Q4 | $76.5M | Sell |
695,283
-438,586
| -39% | -$45.9M | 0.06% | 367 |
|
|
2019
Q3 | $105M | Sell |
1,133,869
-463,883
| -29% | -$38.3M | 0.09% | 265 |
|
|
2019
Q2 | $124M | Sell |
1,597,752
-234,748
| -13% | -$19.8M | 0.11% | 202 |
|
|
2019
Q1 | $171M | Sell |
1,832,500
-298,452
| -14% | -$24.1M | 0.16% | 146 |
|
|
2018
Q4 | $138M | Buy |
2,130,952
+228,580
| +12% | +$16.5M | 0.15% | 140 |
|
|
2018
Q3 | $152M | Buy |
1,902,372
+508,470
| +36% | +$46.4M | 0.16% | 130 |
|
|
2018
Q2 | $133M | Buy |
1,393,902
+385,102
| +38% | +$42M | 0.15% | 145 |
|
|
2018
Q1 | $117M | Buy |
1,008,800
+323,500
| +47% | +$35.5M | 0.13% | 169 |
|
|
2017
Q4 | $64.8M | Buy |
685,300
+92,048
| +16% | +$9.17M | 0.07% | 335 |
|
|
2017
Q3 | $56M | Buy |
593,252
+120,400
| +25% | +$9.84M | 0.07% | 372 |
|
|
2017
Q2 | $31.8M | Buy |
+472,852
| New | +$35.8M | 0.04% | 584 |
|
|
2016
Q2 | – | Sell |
-73,352
| Closed | -$2.76M | – | 3445 |
|
|
2016
Q1 | $2.76M | Buy |
+73,352
| New | +$2.51M | 0.01% | 2021 |
|
|
2015
Q4 | – | Sell |
-29,458
| Closed | -$988K | – | 3368 |
|
|
2015
Q3 | $988K | Buy |
29,458
+1,406
| +5% | +$48.9K | ﹤0.01% | 2388 |
|
|
2015
Q2 | $1.06M | Buy |
+28,052
| New | +$1.02M | ﹤0.01% | 2415 |
|
|
2014
Q3 | – | Sell |
-146,852
| Closed | -$4.59M | – | 2891 |
|
|
2014
Q2 | $4.59M | Buy |
146,852
+112,000
| +321% | +$3.25M | 0.01% | 1259 |
|
|
2014
Q1 | $1.04M | Buy |
+34,852
| New | +$1.05M | ﹤0.01% | 2064 |
|
|
2013
Q3 | – | Sell |
-117,771
| Closed | -$3.13M | – | 2893 |
|
|
2013
Q2 | $3.13M | Buy |
+117,771
| New | +$3.19M | 0.01% | 1339 |
|
Other funds holding MKSI
VPM
VCM
Renaissance Technologies's MKSI Position: Q1 2026 in Review
Renaissance Technologies opened a new position in MKS Inc (MKSI) in Q1 2026: 103,603 shares worth $23.8M. The stake represents 0.04% of the portfolio and ranks #578 among its holdings. This is a return to the name: Renaissance Technologies previously reported a position in MKSI as recently as Q1 2025.
Renaissance Technologies first reported a position in MKSI in Q2 2013 and has held it in 31 quarters since. The position peaked at $171M in Q1 2019. 616 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.
- Renaissance Technologies held 103,603 shares of MKS Inc worth $23.8M as of Q1 2026.
- MKS Inc was a new Renaissance Technologies position in Q1 2026.
- MKS Inc made up 0.04% of Renaissance Technologies's portfolio in Q1 2026, its #578 holding.
- Renaissance Technologies first reported a position in MKS Inc in Q2 2013 and has held it in 31 quarters since.
- Renaissance Technologies's MKS Inc position peaked at $171M in Q1 2019.
- 616 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.