S&CO Inc’s Boston Scientific BSX Stock Holding History

S&CO 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	$10.7M	Sell	169,791 -1,090	-0.6%	-$87.2K	0.66%	39
2025 Q4	$16.3M	Sell	170,881 -2,395	-1%	-$235K	1.01%	24
2025 Q3	$16.9M	Sell	173,276 -3,510	-2%	-$363K	1.04%	24
2025 Q2	$19M	Sell	176,786 -937	-0.5%	-$94.8K	1.22%	19
2025 Q1	$17.9M	Buy	177,723 +16,584	+10%	+$1.67M	1.2%	21
2024 Q4	$14.4M	Sell	161,139 -1,500	-0.9%	-$132K	0.98%	27
2024 Q3	$13.6M	Sell	162,639 -130	-0.1%	-$10.2K	0.89%	31
2024 Q2	$12.5M	Sell	162,769 -2,022	-1%	-$148K	0.87%	30
2024 Q1	$11.3M	Sell	164,791 -646	-0.4%	-$41.5K	0.79%	33
2023 Q4	$9.56M	Hold	165,437	–	–	0.73%	33
2023 Q3	$8.73M	Sell	165,437 -300	-0.2%	-$15.7K	0.72%	34
2023 Q2	$8.96M	Sell	165,737 -3,000	-2%	-$157K	0.72%	34
2023 Q1	$8.44M	Hold	168,737	–	–	0.72%	34
2022 Q4	$7.81M	Hold	168,737	–	–	0.68%	34
2022 Q3	$6.54M	Sell	168,737 -1,200	-0.7%	-$48.1K	0.59%	37
2022 Q2	$6.33M	Hold	169,937	–	–	0.53%	41
2022 Q1	$7.53M	Sell	169,937 -90	-0.1%	-$3.9K	0.53%	41
2021 Q4	$7.22M	Sell	170,027 -20	-0%	-$840	0.51%	43
2021 Q3	$7.38M	Hold	170,047	–	–	0.58%	40
2021 Q2	$7.27M	Sell	170,047 -5,220	-3%	-$220K	0.57%	41
2021 Q1	$6.77M	Hold	175,267	–	–	0.57%	38
2020 Q4	$6.3M	Hold	175,267	–	–	0.56%	42
2020 Q3	$6.7M	Hold	175,267	–	–	0.67%	34
2020 Q2	$6.15M	Sell	175,267 -2,800	-2%	-$101K	0.68%	36
2020 Q1	$5.81M	Sell	178,067 -180	-0.1%	-$7.03K	0.78%	33
2019 Q4	$8.06M	Sell	178,247 -3,750	-2%	-$157K	0.84%	36
2019 Q3	$7.41M	Sell	181,997 -2,625	-1%	-$111K	0.82%	34
2019 Q2	$7.93M	Sell	184,622 -555	-0.3%	-$21.3K	0.87%	33
2019 Q1	$7.11M	Sell	185,177 -1,070	-0.6%	-$40.9K	0.79%	35
2018 Q4	$6.58M	Sell	186,247 -1,830	-1%	-$66.4K	0.83%	34
2018 Q3	$7.24M	Sell	188,077 -3	-0%	-$105	0.81%	36
2018 Q2	$6.15M	Sell	188,080 -180	-0.1%	-$5.43K	0.74%	39
2018 Q1	$5.14M	Hold	188,260	–	–	0.65%	40
2017 Q4	$4.67M	Hold	188,260	–	–	0.58%	42
2017 Q3	$5.49M	Hold	188,260	–	–	0.7%	39
2017 Q2	$5.22M	Hold	188,260	–	–	0.69%	40
2017 Q1	$4.68M	Hold	188,260	–	–	0.64%	40
2016 Q4	$4.07M	Buy	188,260 +18,340	+11%	+$400K	0.59%	42
2016 Q3	$4.04M	Sell	169,920 -20	-0%	-$477	0.61%	41
2016 Q2	$3.97M	Hold	169,940	–	–	0.61%	40
2016 Q1	$3.2M	Buy	169,940 +215	+0.1%	+$3.78K	0.52%	45
2015 Q4	$3.13M	Hold	169,725	–	–	0.53%	45
2015 Q3	$2.79M	Hold	169,725	–	–	0.48%	47
2015 Q2	$3M	Hold	169,725	–	–	0.44%	52
2015 Q1	$3.01M	Hold	169,725	–	–	0.43%	53
2014 Q4	$2.25M	Hold	169,725	–	–	0.33%	60
2014 Q3	$2M	Hold	169,725	–	–	0.31%	60
2014 Q2	$2.17M	Hold	169,725	–	–	0.3%	56
2014 Q1	$2.29M	Hold	169,725	–	–	0.34%	55
2013 Q4	$2.04M	Hold	169,725	–	–	0.34%	54
2013 Q3	$1.99M	Hold	169,725	–	–	0.35%	55
2013 Q2	$1.57M	Buy	+169,725	New	+$1.44M	0.24%	61

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

S&CO Inc's BSX Position: Q1 2026 in Review

S&CO Inc reduced its Boston Scientific (BSX) stake by 0.64% in Q1 2026, selling an estimated $87.2K and leaving 169,791 shares worth $10.7M. The position accounts for 0.66% of the portfolio, ranked #39.

S&CO Inc first reported a position in BSX in Q2 2013 and has held it in 52 quarters since. The position peaked at $19M in Q2 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

S&CO Inc held 169,791 shares of Boston Scientific worth $10.7M as of Q1 2026.
S&CO Inc sold 1,090 Boston Scientific shares in Q1 2026, an estimated $87.2K.
Boston Scientific made up 0.66% of S&CO Inc's portfolio in Q1 2026, its #39 holding.
S&CO Inc first reported a position in Boston Scientific in Q2 2013 and has held it in 52 quarters since.
S&CO Inc's Boston Scientific position peaked at $19M in Q2 2025.
1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on S&CO Inc's 13F filing for Q1 2026, filed 7 May 2026.