BAMCO Inc’s Boston Scientific BSX Stock Holding History

BAMCO Inc’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	-47,000	Closed	-$4.48M	–	330
2025 Q4	$4.48M	Sell	47,000 -23,000	-33%	-$2.25M	0.01%	256
2025 Q3	$6.83M	Sell	70,000 -10,000	-13%	-$1.04M	0.02%	249
2025 Q2	$8.59M	Sell	80,000 -64,000	-44%	-$6.48M	0.02%	227
2025 Q1	$14.5M	Sell	144,000 -15,000	-9%	-$1.51M	0.04%	222
2024 Q4	$14.2M	Hold	159,000	–	–	0.04%	218
2024 Q3	$13.3M	Hold	159,000	–	–	0.04%	228
2024 Q2	$12.2M	Buy	159,000 +5,000	+3%	+$366K	0.04%	232
2024 Q1	$10.5M	Buy	154,000 +9,700	+7%	+$624K	0.03%	241
2023 Q4	$8.34M	Buy	144,300 +32,000	+28%	+$1.71M	0.02%	244
2023 Q3	$5.93M	Buy	112,300 +34,300	+44%	+$1.8M	0.02%	253
2023 Q2	$4.22M	Buy	+78,000	New	+$4.07M	0.01%	268
2019 Q2	–	Sell	-3,293	Closed	-$126K	–	363
2019 Q1	$126K	Sell	3,293 -4,021	-55%	-$154K	﹤0.01%	326
2018 Q4	$258K	Buy	+7,314	New	+$265K	﹤0.01%	322

Other funds holding BSX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

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

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

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

Primecap Management Pasadena, California $169B AUM 114.72% 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

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

BAMCO Inc's BSX Position: Q1 2026 in Review

BAMCO Inc sold out of Boston Scientific (BSX) in Q1 2026, closing a stake of 47,000 shares — an estimated $4.48M sold.

BAMCO Inc first reported a position in BSX in Q4 2018 and held it in 13 quarters. The position peaked at $14.5M in Q1 2025. 1,678 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

BAMCO Inc reported no remaining Boston Scientific position as of Q1 2026 after selling out during the quarter.
BAMCO Inc sold 47,000 Boston Scientific shares in Q1 2026, an estimated $4.48M.
BAMCO Inc first reported a position in Boston Scientific in Q4 2018 and held it in 13 quarters.
BAMCO Inc's Boston Scientific position peaked at $14.5M in Q1 2025.
1,678 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on BAMCO Inc's 13F filing for Q1 2026, filed 15 May 2026.