ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in BSX — Boston Scientific Corp

CIK 1164508 BOSTON, MA

Back to BSX Full portfolio

Position in BSX

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$871,702,167

-$180,544,962 QoQ

Shares Held

13,891,668

+25.9% QoQ

Ownership

0.935%

of shares outstanding

% of Portfolio

0.49%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 79.56806194907624.ToString("F0")% Shared 0.ToString("F0")% None 20.431938050923762.ToString("F0")%

Common Shares in BSX Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $3,649,670,055 across 35 Medical Devices names. BSX ranks #1 (23.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BSX	Boston Scientific Corp This page	13,891,668	$871,702,167
2	ABT	Abbott Laboratories	5,522,222	$566,966,532
3	SYK	Stryker Corp	1,555,638	$511,167,090
4	MDT	Medtronic plc	4,659,425	$403,739,176
5	PODD	Insulet Corp	1,229,928	$258,088,091
6	DXCM	Dexcom Inc	2,545,103	$159,832,468
7	EW	Edwards Lifesciences Corp	1,890,859	$151,419,988
8	PEN	Penumbra Inc	400,160	$131,400,539

All Filings in BSX

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$871,702,167	13,891,668	+25.9%	Shares	Defined	2026-05-14
2025-12-31	$1,052,247,129	11,035,628	+31.9%	Shares	Defined	2026-02-13
2025-09-30	$816,909,066	8,367,398	+28.1%	Shares	Defined	2025-11-13
2025-06-30	$701,378,492	6,529,918	-3.3%	Shares	Defined	2025-08-13
2025-03-31	$681,409,596	6,754,655	+20.8%	Shares	Defined	2025-05-14
2024-12-31	$499,473,688	5,591,958	+9.5%	Shares	Defined	2025-02-12
2024-09-30	$427,802,184	5,105,038	+6.0%	Shares	Defined	2024-11-14
2024-06-30	$370,762,488	4,814,472	-1.8%	Shares	Defined	2024-08-14
2024-03-31	$335,724,692	4,901,806	-18.9%	Shares	Defined	2024-05-15
2023-12-31	$349,624,127	6,047,814	-20.8%	Shares	Defined	2024-02-14
2023-09-30	$403,225,574	7,636,848	-14.1%	Shares	Defined	2023-11-14
2023-06-30	$481,124,329	8,894,885	+4.2%	Shares	Defined	2023-08-14
2023-03-31	$426,875,471	8,532,390	+0.6%	Shares	Defined	2023-05-15
2022-12-31	$392,414,852	8,480,978	+8.1%	Shares	Defined	2023-02-14
2022-09-30	$303,931,041	7,847,432	+4.1%	Shares	Defined	2022-11-14
2022-06-30	$281,001,898	7,539,627	+38.8%	Shares	Defined	2022-08-15
2022-03-31	$240,530,752	5,430,814	+65.9%	Shares	Defined	2022-05-13
2021-12-31	$139,035,553	3,272,965	+271.2%	Shares	Defined	2022-02-14
2021-09-30	$38,257,960	881,723	+2848.9%	Shares	Defined	2021-11-12
2021-06-30	$1,278,524	29,900	-87.7%	Shares	Defined	2021-08-13
2020-12-31	$8,732,183	242,898	+2691.9%	Shares	Defined	2021-02-12
2020-09-30	$332,427	8,700	-89.5%	Shares	Defined	2020-11-12
2020-06-30	$2,914,972	83,024	-95.9%	Shares	Defined	2020-08-12
2020-03-31	$65,701,353	2,013,526	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.