Assenagon Asset Management
MKSI icon

Assenagon Asset Management’s MKS Inc MKSI Stock Holding History

Assenagon Asset Management’s Portfolio MKSI Stock Details MKSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$10.7M Sell
24,009
-12,902
-35% -$4.04M 0.01% 526
2026
Q1 		$8.48M Sell
36,911
-55,945
-60% -$12.7M 0.01% 493
2025
Q4 		$14.8M Buy
+92,856
New +$13.8M 0.02% 422
2025
Q3 		– Sell
-9,971
Closed -$991K – 1235
2025
Q2 		$991K Buy
+9,971
New +$810K ﹤0.01% 924
2025
Q1 		– Sell
-300,711
Closed -$31.4M – 1274
2024
Q4 		$31.4M Buy
300,711
+292,226
+3,444% +$31.5M 0.05% 282
2024
Q3 		$922K Buy
+8,485
New +$1.01M ﹤0.01% 1147
2022
Q4 		– Sell
-124,177
Closed -$10.3M – 1420
2022
Q3 		$10.3M Buy
124,177
+110,367
+799% +$11.4M 0.04% 335
2022
Q2 		$1.42M Buy
+13,810
New +$1.61M 0.01% 971
2021
Q4 		– Sell
-2,510
Closed -$379K – 1504
2021
Q3 		$379K Sell
2,510
-6,563
-72% -$1.01M ﹤0.01% 1109
2021
Q2 		$1.61M Buy
9,073
+4,167
+85% +$757K 0.01% 760
2021
Q1 		$910K Buy
4,906
+2,577
+111% +$433K ﹤0.01% 944
2020
Q4 		$350K Buy
+2,329
New +$305K ﹤0.01% 896
2019
Q1 		– Sell
-77,355
Closed -$5M – 1042
2018
Q4 		$5M Sell
77,355
-77,392
-50% -$5.6M 0.06% 241
2018
Q3 		$12.4M Buy
+154,747
New +$14.1M 0.12% 165
2017
Q4 		– Sell
-39,000
Closed -$3.68M – 734
2017
Q3 		$3.68M Buy
+39,000
New +$3.19M 0.03% 277

Other funds holding MKSI

CB
Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return
Handelsbanken Fonder
Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return
Retirement Systems of Alabama
Retirement Systems of Alabama Montgomery, Alabama $33.2B AUM 38.15% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return
MMC
Mizuho Markets Cayman Grand Cayman, Cayman Islands $2.67B AUM 103.47% 1-Year Est. Return
Daiwa Securities Group
Daiwa Securities Group Tokyo, Japan $51.1B AUM 35.55% 1-Year Est. Return
RS
Robeco Schweiz Zurich, Switzerland $6.23B AUM 86.54% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
GIA
GHP Investment Advisors Denver, Colorado $2.72B AUM 27.58% 1-Year Est. Return
SO
STRS Ohio Columbus, Ohio $26.7B AUM 43.32% 1-Year Est. Return

Assenagon Asset Management's MKSI Position: Q2 2026 in Review

Assenagon Asset Management reduced its MKS Inc (MKSI) stake by 35% in Q2 2026, selling an estimated $4.04M and leaving 24,009 shares worth $10.7M. The position accounts for 0.01% of the portfolio, ranked #526.

Assenagon Asset Management first reported a position in MKSI in Q3 2017 and has held it in 15 quarters since. The position peaked at $31.4M in Q4 2024. 228 funds tracked by Wall St. Rank hold MKSI as of Q2 2026.

  • Assenagon Asset Management held 24,009 shares of MKS Inc worth $10.7M as of Q2 2026.
  • Assenagon Asset Management sold 12,902 MKS Inc shares in Q2 2026, an estimated $4.04M.
  • MKS Inc made up 0.01% of Assenagon Asset Management's portfolio in Q2 2026, its #526 holding.
  • Assenagon Asset Management first reported a position in MKS Inc in Q3 2017 and has held it in 15 quarters since.
  • Assenagon Asset Management's MKS Inc position peaked at $31.4M in Q4 2024.
  • 228 funds tracked by Wall St. Rank held MKS Inc as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.