D. E. Shaw & Co., Inc.

CIK

1009207

City

New York

State / Country

Stock

ICLR — Icon PLC

Top Portfolio Positions

2,773 positions · $152,336,298,360 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%

Portfolio Trend

25 quarters · across all stocks

Holdings in ICLR

Compact Export CSV

Shares Held

Position Value (USD)

27 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$132,632,096	1,198,555	+11885.6%	Shares	Defined	2026-05-15
2026-03-31	$1,106,600	10,000	-57.8%	Call	Defined	2026-05-15
2026-03-31	$2,622,642	23,700	+1381.2%	Put	Defined	2026-05-15
2025-12-31	$291,552	1,600	-99.8%	Put	Defined	2026-02-17
2025-12-31	$119,047,788	653,319	+40732.4%	Shares	Defined	2026-02-17
2025-09-30	$280,000	1,600	-99.9%	Put	Defined	2025-11-14
2025-09-30	$258,492,675	1,477,101	-39.3%	Shares	Defined	2025-11-14
2025-06-30	$354,026,899	2,434,011	+46.5%	Shares	Defined	2025-08-14
2025-03-31	$290,787,182	1,661,736	+48.9%	Shares	Defined	2025-05-15
2024-12-31	$234,079,350	1,116,205	+574.6%	Shares	Defined	2025-02-14
2024-09-30	$47,539,749	165,465	+107.5%	Shares	Defined	2024-11-14
2024-06-30	$24,995,783	79,739	-57.2%	Shares	Defined	2024-08-14
2024-03-31	$62,556,241	186,207	+105.2%	Shares	Defined	2024-05-15
2023-12-31	$25,686,620	90,743	+23.3%	Shares	Defined	2024-02-14
2023-03-31	$15,714,884	73,575	-17.2%	Shares	Defined	2023-05-15
2022-12-31	$17,250,954	88,808	+1240.9%	Shares	Defined	2023-02-14
2022-09-30	$1,217,174	6,623	-41.7%	Shares	Defined	2022-11-14
2022-06-30	$2,461,278	11,358	-22.9%	Shares	Defined	2022-08-15
2022-03-31	$3,582,873	14,731	-36.0%	Shares	Defined	2022-05-16
2021-12-31	$7,123,409	23,001	-45.7%	Shares	Defined	2022-02-14
2021-09-30	$11,103,621	42,377	-86.5%	Shares	Defined	2021-11-15
2021-06-30	$64,915,415	314,041	-0.5%	Shares	Defined	2021-08-16
2021-03-31	$61,990,867	315,684	+209.3%	Shares	Defined	2021-05-17
2020-12-31	$19,898,098	102,052	-25.8%	Shares	Defined	2021-02-16
2020-09-30	$26,285,957	137,558	-12.6%	Shares	Defined	2020-11-16
2020-06-30	$26,510,044	157,367	+19.0%	Shares	Defined	2020-08-14
2020-03-31	$17,982,056	132,221	—	Shares	Defined	2020-05-15
No 13F history on record for this holder in this stock.