Marshall Wace’s MKS Inc MKSI Stock Holding History

Marshall Wace’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	$22.7M	Buy	+98,690	New	+$22.3M	0.02%	659
2024 Q4	–	Sell	-25,254	Closed	-$2.75M	–	2846
2024 Q3	$2.75M	Buy	25,254 +7,952	+46%	+$945K	﹤0.01%	1242
2024 Q2	$2.26M	Sell	17,302 -30,358	-64%	-$3.83M	﹤0.01%	1307
2024 Q1	$6.34M	Buy	47,660 +42,060	+751%	+$4.89M	0.01%	900
2023 Q4	$576K	Buy	+5,600	New	+$455K	﹤0.01%	1665
2022 Q1	–	Sell	-1,529	Closed	-$266K	–	3746
2021 Q4	$266K	Sell	1,529 -89,830	-98%	-$14M	﹤0.01%	3069
2021 Q3	$13.8M	Buy	+91,359	New	+$14M	0.06%	393
2021 Q2	–	Sell	-8,169	Closed	-$1.51M	–	2901
2021 Q1	$1.51M	Buy	+8,169	New	+$1.37M	0.01%	1458
2019 Q2	–	Sell	-19,449	Closed	-$1.81M	–	1649
2019 Q1	$1.81M	Sell	19,449 -123,326	-86%	-$9.94M	0.02%	776
2018 Q4	$9.22M	Buy	+142,775	New	+$10.3M	0.09%	267

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

Marshall Wace's MKSI Position: Q1 2026 in Review

Marshall Wace opened a new position in MKS Inc (MKSI) in Q1 2026: 98,690 shares worth $22.7M. The stake represents 0.02% of the portfolio and ranks #659 among its holdings. This is a return to the name: Marshall Wace previously reported a position in MKSI as recently as Q3 2024.

Marshall Wace first reported a position in MKSI in Q4 2018 and has held it in 10 quarters since. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

Marshall Wace held 98,690 shares of MKS Inc worth $22.7M as of Q1 2026.
MKS Inc was a new Marshall Wace position in Q1 2026.
MKS Inc made up 0.02% of Marshall Wace's portfolio in Q1 2026, its #659 holding.
Marshall Wace first reported a position in MKS Inc in Q4 2018 and has held it in 10 quarters since.
615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.