BARCLAYS PLC

CIK

312069

City

LONDON

State / Country

Stock

ALNY — Alnylam Pharmaceuticals, Inc.

Top Portfolio Positions

3,771 positions · $331,351,990,508 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
MSFT	Microsoft Corp Technology	90,718,129	$33,581,129,808	10.13%
SPY	Spdr S&P 500 ETF Trust	50,435,151	$32,799,996,100	9.90%
NVDA	Nvidia Corp Technology	98,209,762	$17,127,782,490	5.17%
QQQ	Invesco Qqq Trust, Series 1	28,825,875	$16,637,718,531	5.02%
AAPL	Apple Inc. Technology	41,584,066	$10,553,620,108	3.19%
AMZN	Amazon Com Inc Consumer Cyclical	41,965,369	$8,740,127,398	2.64%
GOOGL	Alphabet Inc. Communication Services	27,728,578	$7,973,629,887	2.41%
META	Meta Platforms, Inc. Communication Services	12,417,494	$7,104,420,839	2.14%
AVGO	Broadcom Inc. Technology	20,117,836	$6,226,671,417	1.88%
TSLA	Tesla, Inc. Consumer Cyclical	13,762,733	$5,116,295,991	1.54%

Portfolio Trend

25 quarters · across all stocks

Holdings in ALNY

Compact Export CSV

Shares Held

Position Value (USD)

50 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$72,997,531	220,623	+250.2%	Shares	Defined	2026-05-15
2025-12-31	$25,051,950	63,000	-71.7%	Call	Sole	2026-02-13
2025-12-31	$88,501,381	222,561	+2125.6%	Shares	Sole	2026-02-13
2025-12-31	$3,976,500	10,000	-89.4%	Put	Sole	2026-02-13
2025-09-30	$43,050,048	94,408	+0.4%	Shares	Sole	2026-03-31
2025-06-30	$30,671,372	94,058	+945.1%	Shares	Sole	2026-02-27
2025-03-31	$2,430,180	9,000	-90.6%	Put	Sole	2026-03-17
2025-03-31	$25,846,043	95,719	-7.8%	Shares	Sole	2026-03-17
2024-12-31	$24,436,236	103,847	+1322.6%	Shares	Sole	2026-03-19
2024-12-31	$1,717,763	7,300	-83.6%	Call	Sole	2026-03-19
2024-12-31	$10,471,295	44,500	-21.0%	Put	Sole	2026-03-19
2024-09-30	$15,484,189	56,300	-46.5%	Put	Sole	2026-03-31
2024-09-30	$28,929,029	105,185	+450.7%	Shares	Sole	2026-03-31
2024-09-30	$5,253,073	19,100	-85.4%	Call	Sole	2026-03-31
2024-06-30	$31,897,395	131,265	+65.1%	Shares	Sole	2026-03-23
2024-06-30	$19,318,500	79,500	+177.0%	Call	Sole	2026-03-23
2024-03-31	$4,289,215	28,700	-52.3%	Call	Sole	2026-03-24
2024-03-31	$8,996,890	60,200	-69.0%	Put	Sole	2026-03-24
2024-03-31	$28,989,114	193,972	+336.9%	Shares	Sole	2026-03-24
2023-12-31	$8,498,604	44,400	-68.7%	Call	Sole	2026-03-24
2023-12-31	$27,180,218	142,000	+135.9%	Shares	Sole	2026-03-24
2023-12-31	$11,522,882	60,200	-62.9%	Put	Sole	2026-03-24
2023-09-30	$28,724,733	162,195	-22.8%	Shares	Sole	2026-03-26
2023-06-30	$39,914,939	210,145	+362.9%	Shares	Sole	2026-03-27
2023-03-31	$9,094,528	45,400	-67.9%	Call	Sole	2026-03-30
2023-03-31	$28,364,310	141,595	+245.4%	Shares	Sole	2026-03-30
2022-12-31	$9,743,650	41,000	-74.7%	Put	Sole	2026-03-30
2022-12-31	$38,531,144	162,134	+120.6%	Shares	Sole	2026-03-30
2022-12-31	$17,467,275	73,500	-48.0%	Call	Sole	2026-03-30
2022-09-30	$28,293,415	141,354	+12.1%	Shares	Sole	2022-11-03
2022-06-30	$18,394,746	126,121	+58.4%	Shares	Sole	2022-08-12
2022-03-31	$12,997,555	79,598	-2.9%	Shares	Sole	2022-05-16
2021-12-31	$13,899,623	81,965	+9007.2%	Shares	Sole	2022-02-23
2021-12-31	$152,622	900	-99.1%	Put	Sole	2022-02-23
2021-09-30	$18,404,254	97,475	+224.9%	Shares	Sole	2021-11-09
2021-06-30	$5,085,600	30,000	-70.9%	Call	Sole	2021-08-13
2021-06-30	$17,464,967	103,026	+32.3%	Shares	Sole	2021-08-13
2021-03-31	$10,993,757	77,865	+12877.5%	Shares	Sole	2021-05-13
2020-12-31	$77,982	600	-99.0%	Call	Sole	2021-02-11
2020-12-31	$8,184,859	62,975	+812.7%	Shares	Sole	2021-02-11
2020-12-31	$896,793	6,900	+1050.0%	Put	Sole	2021-02-11
2020-09-30	$87,360	600	-99.4%	Call	Sole	2020-11-12
2020-09-30	$13,758,470	94,495	+288.9%	Shares	Sole	2020-11-12
2020-09-30	$3,538,080	24,300	-79.1%	Put	Sole	2020-11-12
2020-06-30	$17,208,603	116,188	+19264.7%	Shares	Sole	2020-08-12
2020-06-30	$88,866	600	-98.7%	Call	Sole	2020-08-12
2020-06-30	$6,827,871	46,100	-37.8%	Put	Sole	2020-08-12
2020-03-31	$8,065,785	74,100	-27.9%	Put	Sole	2020-05-13
2020-03-31	$11,180,526	102,715	+140.6%	Shares	Sole	2020-05-13
2020-03-31	$4,647,895	42,700	—	Call	Sole	2020-05-13
No 13F history on record for this holder in this stock.