XTX Topco’s Boston Scientific BSX Stock Holding History

XTX Topco’s Portfolio BSX Stock Details BSX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$18.2M	Buy	289,670 +233,385	+415%	+$18.7M	0.32%	10
2025 Q4	$5.37M	Buy	56,285 +6,347	+13%	+$622K	0.14%	110
2025 Q3	$4.88M	Buy	+49,938	New	+$5.17M	0.25%	32
2025 Q2	–	Sell	-66,516	Closed	-$6.71M	–	2407
2025 Q1	$6.71M	Buy	+66,516	New	+$6.7M	0.34%	20
2024 Q4	–	Sell	-13,532	Closed	-$1.13M	–	2326
2024 Q3	$1.13M	Buy	+13,532	New	+$1.07M	0.08%	370
2023 Q3	–	Sell	-31,671	Closed	-$1.71M	–	1587
2023 Q2	$1.71M	Buy	+31,671	New	+$1.65M	0.31%	19
2023 Q1	–	Sell	-9,261	Closed	-$429K	–	1294
2022 Q4	$429K	Buy	+9,261	New	+$401K	0.09%	374
2022 Q2	–	Sell	-6,967	Closed	-$309K	–	864
2022 Q1	$309K	Buy	+6,967	New	+$302K	0.14%	258
2021 Q3	–	Sell	-26,052	Closed	-$1.11M	–	714
2021 Q2	$1.11M	Buy	+26,052	New	+$1.1M	0.38%	28

Other funds holding BSX

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

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

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

XTX Topco's BSX Position: Q1 2026 in Review

XTX Topco increased its Boston Scientific (BSX) stake by 415% in Q1 2026, buying an estimated $18.7M and bringing the position to 289,670 shares worth $18.2M. The position accounts for 0.32% of the portfolio, ranked #10.

XTX Topco first reported a position in BSX in Q2 2021 and has held it in 9 quarters since. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

XTX Topco held 289,670 shares of Boston Scientific worth $18.2M as of Q1 2026.
XTX Topco bought 233,385 Boston Scientific shares in Q1 2026, an estimated $18.7M.
Boston Scientific made up 0.32% of XTX Topco's portfolio in Q1 2026, its #10 holding.
XTX Topco first reported a position in Boston Scientific in Q2 2021 and has held it in 9 quarters since.
1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

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