Acadian Asset Management’s MKS Inc MKSI Stock Holding History

Acadian 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 Q1	$9.48M	Buy	41,299 +40,744	+7,341%	+$9.21M	0.01%	547
2025 Q4	$88K	Buy	+555	New	+$82.3K	﹤0.01%	1704
2021 Q1	–	Sell	-231	Closed	-$35K	–	2220
2020 Q4	$35K	Buy	+231	New	+$30.2K	﹤0.01%	2026
2019 Q2	–	Sell	-6,487	Closed	-$604K	–	1955
2019 Q1	$604K	Buy	+6,487	New	+$523K	﹤0.01%	1050
2018 Q4	–	Sell	-606	Closed	-$49K	–	1784
2018 Q3	$49K	Buy	+606	New	+$55.4K	﹤0.01%	1363
2018 Q2	–	Sell	-1,253	Closed	-$145K	–	1789
2018 Q1	$145K	Buy	+1,253	New	+$138K	﹤0.01%	1138
2017 Q4	–	Sell	-6,246	Closed	-$590K	–	1640
2017 Q3	$590K	Buy	+6,246	New	+$511K	﹤0.01%	764

Other funds holding MKSI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Acadian Asset Management's MKSI Position: Q1 2026 in Review

Acadian Asset Management increased its MKS Inc (MKSI) stake by 7,341% in Q1 2026, buying an estimated $9.21M and bringing the position to 41,299 shares worth $9.48M. The position accounts for 0.01% of the portfolio, ranked #547.

Acadian Asset Management first reported a position in MKSI in Q3 2017 and has held it in 7 quarters since. 616 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

Acadian Asset Management held 41,299 shares of MKS Inc worth $9.48M as of Q1 2026.
Acadian Asset Management bought 40,744 MKS Inc shares in Q1 2026, an estimated $9.21M.
MKS Inc made up 0.01% of Acadian Asset Management's portfolio in Q1 2026, its #547 holding.
Acadian Asset Management first reported a position in MKS Inc in Q3 2017 and has held it in 7 quarters since.
616 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.