Two Sigma Investments’s Boston Scientific BSX Stock Holding History

Two Sigma Investments’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	–	Sell	-3,800	Closed	-$362K	–	4603
2025 Q4	$362K	Sell	3,800 -2,200	-37%	-$216K	﹤0.01%	3493
2025 Q3	$586K	Buy	+6,000	New	+$621K	﹤0.01%	2910
2021 Q4	–	Sell	-5,000	Closed	-$217K	–	4310
2021 Q3	$217K	Buy	+5,000	New	+$221K	﹤0.01%	3909
2020 Q4	–	Sell	-9,600	Closed	-$367K	–	3350
2020 Q3	$367K	Buy	+9,600	New	+$370K	﹤0.01%	2455
2020 Q1	–	Sell	-7,300	Closed	-$330K	–	3137
2019 Q4	$330K	Sell	7,300 -12,800	-64%	-$536K	﹤0.01%	3115
2019 Q3	$818K	Sell	20,100 -1,700	-8%	-$72K	﹤0.01%	2153
2019 Q2	$937K	Buy	+21,800	New	+$839K	﹤0.01%	1980
2018 Q2	–	Sell	-18,000	Closed	-$492K	–	3324
2018 Q1	$492K	Buy	+18,000	New	+$489K	﹤0.01%	2476
2017 Q1	–	Sell	-86,400	Closed	-$1.87M	–	2915
2016 Q4	$1.87M	Buy	86,400 +60,500	+234%	+$1.32M	0.01%	1541
2016 Q3	$616K	Buy	+25,900	New	+$618K	﹤0.01%	2310
2016 Q1	–	Sell	-56,000	Closed	-$1.03M	–	2803
2015 Q4	$1.03M	Buy	+56,000	New	+$1M	0.01%	1478

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

Two Sigma Investments's BSX Position: Q1 2026 in Review

Two Sigma Investments increased its Boston Scientific (BSX) stake by 281% in Q1 2026, buying an estimated $555M and bringing the position to 9,411,231 shares worth $591M. The position accounts for 0.48% of the portfolio, ranked #27.

Two Sigma Investments first reported a position in BSX in Q2 2013 and has held it in 44 quarters since. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

Two Sigma Investments held 9,411,231 shares of Boston Scientific worth $591M as of Q1 2026.
Two Sigma Investments bought 6,939,887 Boston Scientific shares in Q1 2026, an estimated $555M.
Boston Scientific made up 0.48% of Two Sigma Investments's portfolio in Q1 2026, its #27 holding.
Two Sigma Investments first reported a position in Boston Scientific in Q2 2013 and has held it in 44 quarters since.
1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.