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 Q2	$7.21M	Buy	168,900 +102,800	+156%	+$5.58M	0.01%	1453
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 $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Qube Research & Technologies (QRT)'s BSX Position: Q2 2026 in Review

Qube Research & Technologies (QRT) increased its Boston Scientific (BSX) stake by 61% in Q2 2026, buying an estimated $183M and bringing the position to 8,943,771 shares worth $382M. The position accounts for 0.35% of the portfolio, ranked #38.

Qube Research & Technologies (QRT) first reported a position in BSX in Q1 2018 and has held it in 25 quarters since. The position peaked at $644M in Q3 2025. 1,477 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

Qube Research & Technologies (QRT) held 8,943,771 shares of Boston Scientific worth $382M as of Q2 2026.
Qube Research & Technologies (QRT) bought 3,373,891 Boston Scientific shares in Q2 2026, an estimated $183M.
Boston Scientific made up 0.35% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #38 holding.
Qube Research & Technologies (QRT) first reported a position in Boston Scientific in Q1 2018 and has held it in 25 quarters since.
Qube Research & Technologies (QRT)'s Boston Scientific position peaked at $644M in Q3 2025.
1,477 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.