Ostrum Asset Management’s Boston Scientific BSX Stock Holding History

Ostrum Asset 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	$1.38M	Sell	22,054 -973	-4%	-$77.8K	0.08%	183
2025 Q4	$2.2M	Sell	23,027 -818	-3%	-$80.2K	0.11%	151
2025 Q3	$2.33M	Buy	23,845 +1,663	+7%	+$172K	0.1%	173
2025 Q2	$2.38M	Sell	22,182 -4,742	-18%	-$480K	0.11%	175
2025 Q1	$2.72M	Sell	26,924 -2,924	-10%	-$294K	0.14%	141
2024 Q4	$2.67M	Sell	29,848 -10,161	-25%	-$894K	0.23%	132
2024 Q3	$3.35M	Sell	40,009 -1,024	-2%	-$80.7K	0.28%	109
2024 Q2	$3.16M	Sell	41,033 -246	-0.6%	-$18K	0.28%	106
2024 Q1	$2.83M	Buy	41,279 +1,706	+4%	+$110K	0.22%	142
2023 Q4	$2.29M	Buy	39,573 +8,402	+27%	+$448K	0.2%	168
2023 Q3	$1.65M	Buy	31,171 +12,895	+71%	+$676K	0.15%	210
2023 Q2	$989K	Buy	18,276 +16	+0.1%	+$836	0.08%	320
2023 Q1	$914K	Buy	+18,260	New	+$861K	0.08%	328

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

Ostrum Asset Management's BSX Position: Q1 2026 in Review

Ostrum Asset Management reduced its Boston Scientific (BSX) stake by 4.2% in Q1 2026, selling an estimated $77.8K and leaving 22,054 shares worth $1.38M. The position accounts for 0.08% of the portfolio, ranked #183.

Ostrum Asset Management first reported a position in BSX in Q1 2023 and has held it in 13 quarters since. The position peaked at $3.35M in Q3 2024. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

Ostrum Asset Management held 22,054 shares of Boston Scientific worth $1.38M as of Q1 2026.
Ostrum Asset Management sold 973 Boston Scientific shares in Q1 2026, an estimated $77.8K.
Boston Scientific made up 0.08% of Ostrum Asset Management's portfolio in Q1 2026, its #183 holding.
Ostrum Asset Management first reported a position in Boston Scientific in Q1 2023 and has held it in 13 quarters since.
Ostrum Asset Management's Boston Scientific position peaked at $3.35M in Q3 2024.
1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Ostrum Asset Management's 13F filing for Q1 2026, filed 14 May 2026.