D. E. Shaw & Co., Inc.

CIK

1009207

City

New York

State / Country

Stock

ALKS — Alkermes plc.

Top Portfolio Positions

2,742 positions · $152,247,651,972 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	22,002,115	$3,837,168,854	2.52%
MSFT	Microsoft Corp Technology	8,119,370	$3,005,547,192	1.97%
TSLA	Tesla, Inc. Consumer Cyclical	7,308,193	$2,716,820,747	1.78%
GOOGL	Alphabet Inc. Communication Services	9,392,969	$2,701,042,165	1.77%
AVGO	Broadcom Inc. Technology	7,833,108	$2,424,425,255	1.59%
AAPL	Apple Inc. Technology	9,246,586	$2,346,691,059	1.54%
MU	Micron Technology Inc Technology	5,815,376	$1,964,666,627	1.29%
META	Meta Platforms, Inc. Communication Services	3,417,924	$1,955,496,857	1.28%
AMZN	Amazon Com Inc Consumer Cyclical	8,037,824	$1,674,037,603	1.10%
BSX	Boston Scientific Corp Healthcare	24,432,352	$1,533,130,087	1.01%

50 quarters · across all stocks

Compact Export CSV

22 of 22 shown

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$25,116,101	710,297	-22.1%	Shares	Defined	2026-05-15
2025-12-31	$25,497,390	911,272	+72.3%	Shares	Defined	2026-02-17
2025-09-30	$15,862,470	528,749	-35.5%	Shares	Defined	2025-11-14
2025-06-30	$23,462,945	820,096	+75.1%	Shares	Defined	2025-08-14
2025-03-31	$15,469,242	468,481	-15.7%	Shares	Defined	2025-05-15
2024-12-31	$15,988,459	555,927	+0.0%	Shares	Defined	2025-02-14
2024-09-30	$15,553,566	555,683	+72.0%	Shares	Defined	2024-11-14
2024-06-30	$7,787,697	323,141	-66.5%	Shares	Defined	2024-08-14
2023-09-30	$27,018,277	964,594	+41.5%	Shares	Defined	2023-11-14
2023-06-30	$21,334,674	681,619	+53.4%	Shares	Defined	2023-08-14
2023-03-31	$12,524,252	444,280	-22.2%	Shares	Defined	2023-05-15
2022-12-31	$14,929,479	571,354	+130.2%	Shares	Defined	2023-02-14
2022-09-30	$5,543,242	248,242	-9.7%	Shares	Defined	2022-11-14
2022-06-30	$8,188,109	274,861	+359.3%	Shares	Defined	2022-08-15
2022-03-31	$1,574,443	59,842	-68.3%	Shares	Defined	2022-05-16
2021-12-31	$4,393,766	188,898	+145.0%	Shares	Defined	2022-02-14
2021-09-30	$2,377,578	77,094	-56.3%	Shares	Defined	2021-11-15
2021-06-30	$4,328,687	176,537	+167.8%	Shares	Defined	2021-08-16
2021-03-31	$1,231,217	65,911	-83.8%	Shares	Defined	2021-05-17
2020-12-31	$8,121,565	407,096	-28.7%	Shares	Defined	2021-02-16
2020-06-30	$11,082,896	570,989	-34.6%	Shares	Defined	2020-08-14
2020-03-31	$12,581,334	872,492	—	Shares	Defined	2020-05-15
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