Qube Research & Technologies (QRT)’s Boston Scientific BSX Stock Holding History

Qube Research & Technologies (QRT)’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	$4.15M	Buy	66,100 +54,300	+460%	+$4.34M	﹤0.01%	1760
2025 Q4	$1.13M	Sell	11,800 -16,900	-59%	-$1.66M	﹤0.01%	2505
2025 Q3	$2.8M	Sell	28,700 -89,100	-76%	-$9.23M	﹤0.01%	2068
2025 Q2	$12.7M	Buy	117,800 +116,300	+7,753%	+$11.8M	0.01%	1152
2025 Q1	$151K	Sell	1,500 -34,800	-96%	-$3.5M	﹤0.01%	2921
2024 Q4	$3.24M	Sell	36,300 -300	-0.8%	-$26.4K	﹤0.01%	1695
2024 Q3	$3.07M	Buy	+36,600	New	+$2.89M	﹤0.01%	1595

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

Qube Research & Technologies (QRT)'s BSX Position: Q1 2026 in Review

Qube Research & Technologies (QRT) increased its Boston Scientific (BSX) stake by 1.2% in Q1 2026, buying an estimated $5.12M and bringing the position to 5,569,880 shares worth $350M. The position accounts for 0.39% of the portfolio, ranked #32.

Qube Research & Technologies (QRT) first reported a position in BSX in Q1 2018 and has held it in 24 quarters since. The position peaked at $644M in Q3 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

Qube Research & Technologies (QRT) held 5,569,880 shares of Boston Scientific worth $350M as of Q1 2026.
Qube Research & Technologies (QRT) bought 63,975 Boston Scientific shares in Q1 2026, an estimated $5.12M.
Boston Scientific made up 0.39% of Qube Research & Technologies (QRT)'s portfolio in Q1 2026, its #32 holding.
Qube Research & Technologies (QRT) first reported a position in Boston Scientific in Q1 2018 and has held it in 24 quarters since.
Qube Research & Technologies (QRT)'s Boston Scientific position peaked at $644M in Q3 2025.
1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q1 2026, filed 15 May 2026.