Boston Scientific Corp (BSX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

1,493,814,433Shares Outstanding

7,110,485Shares held by institutions

$542,458,901Value of institutional holdings

88.74%Institutional ownership %

3.21%Shares Changed QoQ

1,687No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Boston Scientific Corp (NYSE:BSX) currently has 1687 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

The collective stake of institutional investors in Boston Scientific moved to 88.7% in December 2025, a shift down from the 90.0% reported for September 2025.
The company experienced a 3.21% quarterly change in institutional shares held, alongside an increase of 12.84% in total owners annually.
A review of institutional activity for Boston Scientific shows 846 of 1687 filers increasing their positions, while 653 reduced their stake, and 188 remained unchanged.
The aggregate institutional position in Boston Scientific now stands at 1.33Bn shares as of December 2025, after investors increased their holdings (up by 41.18Mn shares quarter on quarter which is down 10.77Mn shares year over year).
VANGUARD GROUP INC's holding of 139.69Mn shares as of December 31, 2025 makes it the primary institutional investor in Boston Scientific, owning 9.35% of the stock.
Among the most significant buyers of Boston Scientific during December 2025 were NORGES BANK (23.07Mn), UBS Group AG (5.03Mn), DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main (4.51Mn), MILLENNIUM MANAGEMENT LLC (3.63Mn), BNP Paribas Asset Management Holding S.A. (3.29Mn).
Leading sellers of Boston Scientific stock in December 2025 included BlackRock, Inc. (9.19Mn), BANK OF AMERICA CORP /DE/ (8.75Mn), MARSHALL WACE, LLP (6.84Mn), WELLINGTON MANAGEMENT GROUP LLP (4.94Mn), CITADEL ADVISORS LLC (4.13Mn).
The top 10 institutional holders of Boston Scientific for the quarter ending December 2025 included VANGUARD GROUP INC (139.69Mn), BlackRock, Inc. (135.99Mn), FMR LLC (97.39Mn), STATE STREET CORP (65.85Mn), GEODE CAPITAL MANAGEMENT, LLC (32.38Mn), PRIMECAP MANAGEMENT CO/CA/ (31.10Mn), Capital World Investors (27.15Mn), JPMORGAN CHASE & CO (25.37Mn), BANK OF AMERICA CORP /DE/ (25.12Mn), NORGES BANK (23.07Mn).

1,687 Institutional Holders

7,110,485 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	139,685,997	1,436,550	1.04%	$13,319,059,814.00
BlackRock, Inc.	31 Dec, 2025	135,987,245	-9,188,624	-6.33%	$12,966,383,785.00
FMR LLC	31 Dec, 2025	97,386,941	-2,090,760	-2.10%	$9,285,844,832.00
STATE STREET CORP	31 Dec, 2025	65,846,059	920,495	1.42%	$6,278,421,726.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	32,383,765	-306,763	-0.94%	$3,073,439,808.00
PRIMECAP MANAGEMENT CO/CA/	31 Dec, 2025	31,096,184	-2,005,910	-6.06%	$2,965,021,147.00
Capital World Investors	31 Dec, 2025	27,151,575	502,627	1.89%	$2,588,953,114.00
JPMORGAN CHASE & CO	31 Dec, 2025	25,372,886	-2,956,323	-10.44%	$2,419,304,800.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	25,115,185	-8,753,856	-25.85%	$2,394,732,919.00
NORGES BANK	31 Dec, 2025	23,066,546	23,066,546	0.00%	$2,199,395,161.00
MORGAN STANLEY	31 Dec, 2025	22,960,556	2,246,308	10.84%	$2,189,289,385.00
Bollard Group LLC	31 Dec, 2025	19,000,469	-733,104	-3.72%	$1,811,695.00
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	31 Dec, 2025	18,540,693	4,508,152	32.13%	$1,767,855,078.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	16,764,266	1,175,507	7.54%	$1,598,472,699.00
UBS Group AG	31 Dec, 2025	15,598,246	5,031,104	47.61%	$1,487,292,755.00
NORTHERN TRUST CORP	31 Dec, 2025	13,935,423	-467,213	-3.24%	$1,328,742,584.00
JANUS HENDERSON GROUP PLC	31 Dec, 2025	12,589,385	617,515	5.16%	$1,200,403,908.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	12,586,690	3,634,669	40.60%	$1,152,465,892.00
Amundi	31 Dec, 2025	12,415,159	433,575	3.62%	$1,183,785,410.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	11,249,204	2,338,849	26.25%	$1,072,611,602.00

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