TEACHER RETIREMENT SYSTEM OF TEXAS

Pension

Position in ALNY — Alnylam Pharmaceuticals, Inc.

CIK 796848 AUSTIN, TX

Position in ALNY

as of Mar 31, 2026 · filed Apr 30, 2026 Compact

Position Value

$6,230,282

-$1,736,635 QoQ

Shares Held

18,830

-6.0% QoQ

Ownership

0.014%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

TEACHER RETIREMENT SYSTEM OF TEXAS holds $172,736,249 across 99 Biotechnology names. ALNY ranks #4 (3.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	124,317	$55,512,513
2	IONS	Ionis Pharmaceuticals Inc	523,932	$39,342,053
3	REGN	Regeneron Pharmaceuticals, Inc.	21,477	$16,593,989
4	ALNY	Alnylam Pharmaceuticals, Inc. This page	18,830	$6,230,282
5	INSM	INSMED Inc	30,382	$4,968,064
6	INVA	Innoviva, Inc.	200,082	$4,661,910
7	RPRX	Royalty Pharma plc	58,690	$2,815,359
8	MRNA	Moderna, Inc.	45,607	$2,316,835

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,230,282	18,830	-6.0%	Shares	Sole	2026-04-30
2025-12-31	$7,966,917	20,035	-40.4%	Shares	Sole	2026-01-28
2025-09-30	$15,340,752	33,642	-7.6%	Shares	Sole	2025-10-30
2025-06-30	$11,872,284	36,408	+3.2%	Shares	Sole	2025-08-01
2025-03-31	$9,527,655	35,285	-9.7%	Shares	Sole	2025-04-28
2024-12-31	$9,194,738	39,075	+16.1%	Shares	Sole	2025-02-11
2024-09-30	$9,254,759	33,650	+14.6%	Shares	Sole	2024-11-13
2024-06-30	$7,135,695	29,365	+2.9%	Shares	Sole	2024-08-09
2024-03-31	$4,264,256	28,533	-2.3%	Shares	Sole	2024-05-06
2023-12-31	$5,591,851	29,214	-11.4%	Shares	Sole	2024-02-07
2023-09-30	$5,836,861	32,958	+2.1%	Shares	Sole	2023-10-31
2023-06-30	$6,128,604	32,266	+12.1%	Shares	Sole	2023-07-19
2023-03-31	$5,766,611	28,787	+115.4%	Shares	Sole	2023-05-12
2022-12-31	$3,176,192	13,365	-23.1%	Shares	Sole	2023-02-13
2022-09-30	$3,477,579	17,374	-5.7%	Shares	Sole	2022-11-03
2022-06-30	$2,687,723	18,428	-24.9%	Shares	Sole	2022-08-09
2022-03-31	$4,007,626	24,543	+8.4%	Shares	Sole	2022-05-09
2021-12-31	$3,838,952	22,638	-23.1%	Shares	Sole	2022-02-10
2021-09-30	$5,557,622	29,435	+94.7%	Shares	Sole	2021-11-09
2021-06-30	$2,562,464	15,116	+17.7%	Shares	Sole	2021-08-05
2021-03-31	$1,813,020	12,841	+22.8%	Shares	Sole	2021-05-11
2020-12-31	$1,359,616	10,461	-63.5%	Shares	Sole	2021-02-11
2020-09-30	$4,175,662	28,679	-38.7%	Shares	Sole	2020-11-02
2020-06-30	$6,934,213	46,818	—	Shares	Sole	2020-08-11
No filing history on record for this holder in this stock.