Hudson Bay Capital Management’s Boston Scientific BSX Stock Holding History

Hudson Bay Capital Management’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	$30.4M	Hold	484,000	–	–	0.1%	151
2025 Q4	$46.1M	Sell	484,000 -1,906	-0.4%	-$187K	0.15%	124
2025 Q3	$47.4M	Buy	485,906 +1,906	+0.4%	+$197K	0.16%	107
2025 Q2	$52M	Buy	+484,000	New	+$49M	0.18%	100
2020 Q1	–	Sell	-525,000	Closed	-$23.7M	–	504
2019 Q4	$23.7M	Buy	525,000 +175,000	+50%	+$7.32M	0.53%	31
2019 Q3	$14.2M	Sell	350,000 -500,000	-59%	-$21.2M	0.39%	50
2019 Q2	$36.5M	Buy	+850,000	New	+$32.7M	0.84%	21
2015 Q2	–	Sell	-200,000	Closed	-$3.55M	–	225
2015 Q1	$3.55M	Buy	+200,000	New	+$3.16M	0.09%	119

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

Hudson Bay Capital Management's BSX Position: Q1 2026 in Review

Hudson Bay Capital Management held its Boston Scientific (BSX) position steady in Q1 2026 at 484,000 shares worth $30.4M. The position accounts for 0.1% of the portfolio, ranked #151.

Hudson Bay Capital Management first reported a position in BSX in Q1 2015 and has held it in 8 quarters since. The position peaked at $52M in Q2 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

Hudson Bay Capital Management held 484,000 shares of Boston Scientific worth $30.4M as of Q1 2026.
Hudson Bay Capital Management left its Boston Scientific share count unchanged in Q1 2026.
Boston Scientific made up 0.1% of Hudson Bay Capital Management's portfolio in Q1 2026, its #151 holding.
Hudson Bay Capital Management first reported a position in Boston Scientific in Q1 2015 and has held it in 8 quarters since.
Hudson Bay Capital Management's Boston Scientific position peaked at $52M in Q2 2025.
1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.