XTX Topco’s MKS Inc MKSI Stock Holding History

XTX Topco’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	$4.82M	Buy	20,956 +1,012	+5%	+$229K	0.08%	303
2025 Q4	$3.19M	Buy	+19,944	New	+$2.96M	0.08%	297
2025 Q3	–	Sell	-19,497	Closed	-$1.94M	–	2999
2025 Q2	$1.94M	Buy	19,497 +14,909	+325%	+$1.21M	0.08%	350
2025 Q1	$368K	Buy	+4,588	New	+$463K	0.02%	1254
2024 Q4	–	Sell	-11,239	Closed	-$1.22M	–	2694
2024 Q3	$1.22M	Buy	11,239 +2,894	+35%	+$344K	0.09%	337
2024 Q2	$1.09M	Buy	8,345 +4,393	+111%	+$554K	0.09%	328
2024 Q1	$526K	Buy	+3,952	New	+$459K	0.07%	459
2023 Q4	–	Sell	-4,595	Closed	-$398K	–	1902
2023 Q3	$398K	Buy	4,595 +574	+14%	+$56K	0.07%	545
2023 Q2	$435K	Buy	+4,021	New	+$368K	0.08%	462
2022 Q1	–	Sell	-2,215	Closed	-$386K	–	850
2021 Q4	$386K	Buy	+2,215	New	+$346K	0.22%	131
2021 Q3	–	Sell	-1,638	Closed	-$291K	–	918
2021 Q2	$291K	Buy	+1,638	New	+$298K	0.1%	374

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

XTX Topco's MKSI Position: Q1 2026 in Review

XTX Topco increased its MKS Inc (MKSI) stake by 5.1% in Q1 2026, buying an estimated $229K and bringing the position to 20,956 shares worth $4.82M. The position accounts for 0.08% of the portfolio, ranked #303.

XTX Topco first reported a position in MKSI in Q2 2021 and has held it in 11 quarters since. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

XTX Topco held 20,956 shares of MKS Inc worth $4.82M as of Q1 2026.
XTX Topco bought 1,012 MKS Inc shares in Q1 2026, an estimated $229K.
MKS Inc made up 0.08% of XTX Topco's portfolio in Q1 2026, its #303 holding.
XTX Topco first reported a position in MKS Inc in Q2 2021 and has held it in 11 quarters since.
615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.