Senator Investment Group’s Boston Scientific BSX Stock Holding History

Senator Investment Group’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
2025 Q1	–	Sell	-450,000	Closed	-$40.2M	–	52
2024 Q4	$40.2M	Hold	450,000	–	–	1.18%	31
2024 Q3	$37.7M	Sell	450,000 -100,000	-18%	-$7.88M	1.79%	28
2024 Q2	$42.4M	Hold	550,000	–	–	2.07%	19
2024 Q1	$37.7M	Sell	550,000 -50,000	-8%	-$3.21M	1.71%	22
2023 Q4	$34.7M	Buy	600,000 +200,000	+50%	+$10.7M	1.49%	23
2023 Q3	$21.1M	Sell	400,000 -475,000	-54%	-$24.9M	1.19%	30
2023 Q2	$47.3M	Buy	875,000 +375,000	+75%	+$19.6M	2.13%	18
2023 Q1	$25M	Buy	+500,000	New	+$23.6M	1.37%	28
2020 Q3	–	Sell	-1,750,000	Closed	-$61.4M	–	61
2020 Q2	$61.4M	Sell	1,750,000 -2,150,000	-55%	-$77.4M	2.12%	24
2020 Q1	$127M	Buy	3,900,000 +2,150,000	+123%	+$84M	4.61%	8
2019 Q4	$79.1M	Sell	1,750,000 -2,050,000	-54%	-$85.8M	2.17%	23
2019 Q3	$155M	Sell	3,800,000 -950,000	-20%	-$40.2M	3.88%	7
2019 Q2	$204M	Sell	4,750,000 -250,000	-5%	-$9.62M	3.75%	6
2019 Q1	$192M	Sell	5,000,000 -500,000	-9%	-$19.1M	4.33%	6
2018 Q4	$194M	Sell	5,500,000 -1,500,000	-21%	-$54.4M	5.42%	6
2018 Q3	$270M	Sell	7,000,000 -958,672	-12%	-$33.5M	3.47%	11
2018 Q2	$260M	Sell	7,958,672 -291,328	-4%	-$8.79M	2.59%	16
2018 Q1	$225M	Buy	+8,250,000	New	+$224M	2.68%	15

Other funds holding BSX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Senator Investment Group's BSX Position: Q1 2025 in Review

Senator Investment Group sold out of Boston Scientific (BSX) in Q1 2025, closing a stake of 450,000 shares — an estimated $40.2M sold.

Senator Investment Group first reported a position in BSX in Q1 2018 and held it in 18 quarters. The position peaked at $270M in Q3 2018. 1,642 funds tracked by Wall St. Rank hold BSX as of Q1 2025.

Senator Investment Group reported no remaining Boston Scientific position as of Q1 2025 after selling out during the quarter.
Senator Investment Group sold 450,000 Boston Scientific shares in Q1 2025, an estimated $40.2M.
Senator Investment Group first reported a position in Boston Scientific in Q1 2018 and held it in 18 quarters.
Senator Investment Group's Boston Scientific position peaked at $270M in Q3 2018.
1,642 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2025.

Based on Senator Investment Group's 13F filing for Q1 2025, filed 14 May 2025.