David A. Siegel Boston Scientific Corp Transaction History

Two Sigma Advisers, LP

$47 Billion
Q3 2025

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Boston Scientific Corp stock. As of the latest transaction made, Two Sigma Advisers, LP holds 5,339,760 shares of BSX stock, worth $548 Million. This represents 1.11% of its overall portfolio holdings.

Number of Shares

5,339,760

Previous 5,169,960 3.28%

Holding current value

$548 Million

Previous $555 Million 6.12%

% of portfolio

1.11%

Previous 1.21%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$97.03 - $108.14 $16.5 Million - $18.4 Million	169,800 Added 3.28%	5,339,760 $521 Million
Q2 2025 Aug 14, 2025	BUY	$89.7 - $107.41 $86.5 Million - $104 Million	964,000 Added 22.92%	5,169,960 $555 Million
Q1 2025 May 15, 2025	BUY	$89.38 - $106.18 $308 Million - $366 Million	3,450,700 Added 456.89%	4,205,960 $424 Million
Q4 2024 Feb 14, 2025	BUY	$83.62 - $91.5 $20.6 Million - $22.6 Million	246,800 Added 48.54%	755,260 $67.5 Million
Q3 2024 Nov 14, 2024	BUY	$72.96 - $84.0 $10.9 Million - $12.6 Million	149,500 Added 41.65%	508,460 $42.6 Million

Q2 2024 Aug 14, 2024	BUY	$67.33 - $77.71 $24.2 Million - $27.9 Million	358,960 New	358,960 $27.6 Million
Q3 2023 Nov 14, 2023	SELL	$50.19 - $54.68 $119 Million - $129 Million	-2,364,300 Reduced 87.5%	337,660 $17.8 Million
Q2 2023 Aug 14, 2023	SELL	$49.72 - $54.64 $49.9 Million - $54.9 Million	-1,003,900 Reduced 27.09%	2,701,960 $146 Million
Q1 2023 May 15, 2023	BUY	$45.09 - $50.03 $22.1 Million - $24.5 Million	489,800 Added 15.23%	3,705,860 $185 Million
Q4 2022 Feb 14, 2023	BUY	$39.56 - $47.22 $10 Million - $12 Million	253,100 Added 8.54%	3,216,060 $149 Million
Q3 2022 Nov 14, 2022	SELL	$36.71 - $109.66 $53.9 Million - $161 Million	-1,469,100 Reduced 33.15%	2,962,960 $115 Million
Q2 2022 Aug 15, 2022	SELL	$35.24 - $47.1 $109 Million - $146 Million	-3,100,200 Reduced 41.16%	4,432,060 $165 Million
Q1 2022 May 16, 2022	SELL	$40.9 - $45.1 $34.7 Million - $38.3 Million	-849,000 Reduced 10.13%	7,532,260 $334 Million
Q4 2021 Feb 14, 2022	BUY	$38.07 - $44.87 $11.4 Million - $13.4 Million	299,700 Added 3.71%	8,381,260 $356 Million
Q3 2021 Nov 15, 2021	BUY	$41.23 - $45.88 $102 Million - $114 Million	2,483,000 Added 44.35%	8,081,560 $351 Million
Q2 2021 Aug 16, 2021	BUY	$38.58 - $44.24 $171 Million - $196 Million	4,426,900 Added 377.83%	5,598,560 $239 Million
Q1 2021 May 17, 2021	SELL	$35.27 - $39.67 $106 Million - $120 Million	-3,012,400 Reduced 72.0%	1,171,660 $45.3 Million
Q4 2020 Feb 16, 2021	BUY	$33.15 - $41.97 $131 Million - $166 Million	3,947,400 Added 1667.96%	4,184,060 $150 Million
Q3 2020 Nov 16, 2020	SELL	$34.44 - $42.23 $37.3 Million - $45.8 Million	-1,083,400 Reduced 82.07%	236,660 $9.04 Million
Q2 2020 Aug 14, 2020	BUY	$30.19 - $39.11 $14.4 Million - $18.7 Million	477,200 Added 56.62%	1,320,060 $46.3 Million
Q1 2020 May 15, 2020	BUY	$25.83 - $45.71 $8.77 Million - $15.5 Million	339,500 Added 67.45%	842,860 $27.5 Million
Q4 2019 Feb 14, 2020	BUY	$37.87 - $45.37 $18.7 Million - $22.4 Million	493,613 Added 5064.26%	503,360 $22.8 Million
Q3 2019 Nov 14, 2019	SELL	$40.31 - $43.45 $4.64 Million - $5 Million	-115,100 Reduced 92.19%	9,747 $397,000
Q2 2019 Aug 14, 2019	SELL	$34.91 - $42.98 $68.5 Million - $84.4 Million	-1,962,913 Reduced 94.02%	124,847 $5.37 Million
Q1 2019 May 15, 2019	BUY	$32.91 - $40.75 $47.7 Million - $59.1 Million	1,449,200 Added 226.95%	2,087,760 $80.1 Million
Q4 2018 Feb 14, 2019	BUY	$31.73 - $39.04 $20.3 Million - $24.9 Million	638,560 New	638,560 $22.6 Million
Q3 2018 Nov 14, 2018	SELL	$32.83 - $38.63 $89.5 Million - $105 Million	-2,727,024 Closed	0 $0
Q2 2018 Aug 14, 2018	SELL	$26.84 - $34.32 $122 Million - $155 Million	-4,528,293 Reduced 62.41%	2,727,024 $89.2 Million
Q1 2018 May 15, 2018	SELL	$25.2 - $28.54 $4.32 Million - $4.89 Million	-171,497 Reduced 2.31%	7,255,317 $198 Million
Q4 2017 Feb 14, 2018	BUY	$24.79 - $29.8 $68.3 Million - $82.1 Million	2,756,504 Added 59.02%	7,426,814 $184 Million
Q3 2017 Nov 14, 2017	BUY	$26.26 - $29.17 $123 Million - $136 Million	4,670,310	4,670,310 $136 Million

Others Institutions Holding BSX

# of Institutions

1,951

Shares Held

1.26B

Call Options Held

10.8M

Put Options Held

8.94M

View Full List

About BOSTON SCIENTIFIC CORP

Ticker BSX
Exchange NYSE
Sector Healthcare
Industry Medical Devices
Shares Outstandng 1,431,609,984
Market Cap $147B
Description
Boston Scientific Corporation develops, manufactures, and markets medical devices for use in various interventional medical specialties worldwide. It operates through three segments: MedSurg, Rhythm and Neuro, and Cardiovascular. The company offers devices to diagnose and treat gastrointestinal and pulmonary conditions; devices to treat various ...

More about BSX

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