Unisphere Establishment’s Boston Scientific BSX Stock Holding History

Unisphere Establishment’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	$176M	Buy	2,802,700 +626,000	+29%	+$50.1M	1.48%	18
2025 Q4	$208M	Buy	2,176,700 +69,500	+3%	+$6.81M	1.55%	18
2025 Q3	$206M	Buy	2,107,200 +140,800	+7%	+$14.6M	1.61%	17
2025 Q2	$211M	Sell	1,966,400 -200,000	-9%	-$20.2M	1.7%	15
2025 Q1	$219M	Sell	2,166,400 -225,000	-9%	-$22.7M	1.91%	14
2024 Q4	$214M	Buy	2,391,400 +225,000	+10%	+$19.8M	1.86%	15
2024 Q3	$182M	Sell	2,166,400 -270,600	-11%	-$21.3M	1.72%	18
2024 Q2	$188M	Buy	2,437,000 +111,500	+5%	+$8.16M	1.89%	17
2024 Q1	$159M	Hold	2,325,500	–	–	1.61%	19
2023 Q4	$134M	Buy	+2,325,500	New	+$124M	1.39%	24

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

Unisphere Establishment's BSX Position: Q1 2026 in Review

Unisphere Establishment increased its Boston Scientific (BSX) stake by 29% in Q1 2026, buying an estimated $50.1M and bringing the position to 2,802,700 shares worth $176M. The position accounts for 1.48% of the portfolio, ranked #18.

Unisphere Establishment first reported a position in BSX in Q4 2023 and has held it in 10 quarters since. The position peaked at $219M in Q1 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

Unisphere Establishment held 2,802,700 shares of Boston Scientific worth $176M as of Q1 2026.
Unisphere Establishment bought 626,000 Boston Scientific shares in Q1 2026, an estimated $50.1M.
Boston Scientific made up 1.48% of Unisphere Establishment's portfolio in Q1 2026, its #18 holding.
Unisphere Establishment first reported a position in Boston Scientific in Q4 2023 and has held it in 10 quarters since.
Unisphere Establishment's Boston Scientific position peaked at $219M in Q1 2025.
1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Unisphere Establishment's 13F filing for Q1 2026, filed 14 May 2026.