MAM
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Madison Asset Management’s MKS Inc MKSI Stock Holding History

Madison 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 		$141M Sell
316,694
-21,642
-6% -$6.77M 1.68% 10
2026
Q1 		$77.8M Sell
338,336
-583,114
-63% -$132M 0.96% 31
2025
Q4 		$147M Sell
921,450
-54,641
-6% -$8.11M 1.69% 13
2025
Q3 		$121M Sell
976,091
-487,592
-33% -$52M 1.33% 19
2025
Q2 		$145M Buy
1,463,683
+35,540
+2% +$2.89M 1.57% 15
2025
Q1 		$114M Buy
1,428,143
+494,207
+53% +$49.9M 1.28% 21
2024
Q4 		$97.5M Buy
933,936
+132,588
+17% +$14.3M 1.1% 27
2024
Q3 		$87.1M Buy
801,348
+57,634
+8% +$6.85M 0.98% 34
2024
Q2 		$97.1M Buy
743,714
+68,701
+10% +$8.67M 1.2% 22
2024
Q1 		$89.8M Buy
675,013
+96,374
+17% +$11.2M 1.1% 29
2023
Q4 		$59.5M Buy
578,639
+4,069
+0.7% +$331K 0.81% 41
2023
Q3 		$49.7M Buy
574,570
+3,204
+0.6% +$312K 0.73% 48
2023
Q2 		$61.8M Buy
571,366
+3,485
+0.6% +$319K 0.9% 36
2023
Q1 		$50.3M Buy
567,881
+23,374
+4% +$2.23M 0.76% 45
2022
Q4 		$46.1M Buy
544,507
+3,533
+0.7% +$283K 0.72% 48
2022
Q3 		$44.7M Buy
540,974
+174,557
+48% +$18M 0.75% 44
2022
Q2 		$37.6M Buy
366,417
+106,787
+41% +$12.4M 0.59% 60
2022
Q1 		$38.9M Buy
259,630
+97,272
+60% +$15.1M 0.56% 64
2021
Q4 		$28.3M Buy
+162,358
New +$25.4M 0.37% 89

Other funds holding MKSI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
AMH
Aspex Management (HK) Central, Hong Kong $8.89B AUM 39.91% 1-Year Est. Return

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

Madison Asset Management reduced its MKS Inc (MKSI) stake by 6.4% in Q2 2026, selling an estimated $6.77M and leaving 316,694 shares worth $141M. The position accounts for 1.68% of the portfolio, ranked #10.

Madison Asset Management first reported a position in MKSI in Q4 2021 and has held it in 19 quarters since. The position peaked at $147M in Q4 2025. 773 funds tracked by Wall St. Rank hold MKSI as of Q2 2026.

  • Madison Asset Management held 316,694 shares of MKS Inc worth $141M as of Q2 2026.
  • Madison Asset Management sold 21,642 MKS Inc shares in Q2 2026, an estimated $6.77M.
  • MKS Inc made up 1.68% of Madison Asset Management's portfolio in Q2 2026, its #10 holding.
  • Madison Asset Management first reported a position in MKS Inc in Q4 2021 and has held it in 19 quarters since.
  • Madison Asset Management's MKS Inc position peaked at $147M in Q4 2025.
  • 773 funds tracked by Wall St. Rank held MKS Inc as of Q2 2026.

Based on Madison Asset Management's 13F filing for Q2 2026, filed 10 Aug 2026.