RENAISSANCE TECHNOLOGIES LLC

Position in ATYR — aTYR PHARMA INC

CIK 1037389 NEW YORK, NY

Position in ATYR

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

Position Value

$31,607

-$2,596,452 QoQ

Shares Held

40,522

-92.2% QoQ

Ownership

0.041%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#42

of 109 holders

Holding Since

Mar 2020

23 quarters on record

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

Healthcare · as of Mar 31, 2026

RENAISSANCE TECHNOLOGIES LLC holds $3,448,283,094 across 327 Biotechnology names. ATYR ranks #311 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EXEL	Exelixis, Inc.	13,726,993	$588,750,729
2	INCY	Incyte Corp	3,651,532	$343,682,191
3	CORT	Corcept Therapeutics Inc	5,682,783	$229,072,982
4	VRTX	Vertex Pharmaceuticals Inc / Ma	421,688	$188,300,559
5	JAZZ	Jazz Pharmaceuticals plc	819,374	$154,902,654
6	GMAB	Genmab A/S	4,414,550	$118,442,376
7	INVA	Innoviva, Inc.	4,055,632	$94,496,225
8	ARWR	Arrowhead Pharmaceuticals, Inc.	1,036,495	$64,988,236

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$31,607	40,522	-92.2%	Shares	Sole	2026-05-14
2025-06-30	$2,628,059	518,355	+8.0%	Shares	Sole	2025-08-13
2025-03-31	$1,449,464	479,955	-16.5%	Shares	Sole	2025-05-14
2024-12-31	$2,079,527	574,455	-50.0%	Shares	Sole	2025-02-13
2024-09-30	$2,022,548	1,149,175	-11.2%	Shares	Sole	2024-11-13
2024-06-30	$2,018,349	1,293,814	+1.6%	Shares	Sole	2024-08-09
2024-03-31	$2,482,067	1,272,855	+45.0%	Shares	Sole	2024-05-13
2023-12-31	$1,237,940	877,972	+73.5%	Shares	Sole	2024-02-13
2023-09-30	$799,468	505,993	-3.9%	Shares	Sole	2023-11-14
2023-06-30	$1,136,926	526,355	+233.9%	Shares	Sole	2023-08-11
2023-03-31	$331,075	157,655	-5.1%	Shares	Sole	2023-05-12
2022-12-31	$363,706	166,076	-11.4%	Shares	Sole	2023-02-13
2022-09-30	$562,575	187,525	+24.3%	Shares	Sole	2022-11-14
2022-06-30	$426,834	150,825	+36.1%	Shares	Sole	2022-08-12
2022-03-31	$593,074	110,855	-12.8%	Shares	Sole	2022-05-13
2021-12-31	$949,847	127,155	-29.2%	Shares	Sole	2022-02-11
2021-09-30	$1,631,267	179,655	+1.9%	Shares	Sole	2021-11-12
2021-06-30	$860,124	176,255	-27.2%	Shares	Sole	2021-08-13
2021-03-31	$1,076,722	241,960	-24.2%	Shares	Sole	2021-05-13
2020-12-31	$1,238,224	319,130	-21.9%	Shares	Sole	2021-02-10
2020-09-30	$1,319,228	408,430	+11.6%	Shares	Sole	2020-11-13
2020-06-30	$1,624,285	365,830	+75.0%	Shares	Sole	2020-08-13
2020-03-31	$585,200	209,000	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.