Two Sigma Securities’s aTyr Pharma ATYR Stock Holding History

Two Sigma Securities’s Portfolio ATYR Stock Details ATYR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-39,006	Closed	-$30.5K	–	2308
2025 Q4	$30.5K	Buy	+39,006	New	+$32K	﹤0.01%	1122
2025 Q2	–	Sell	-11,935	Closed	-$36K	–	2195
2025 Q1	$36K	Buy	+11,935	New	+$43.5K	0.01%	1031
2024 Q4	–	Sell	-12,992	Closed	-$22.9K	–	3438
2024 Q3	$22.9K	Buy	+12,992	New	+$23.6K	﹤0.01%	2477
2024 Q2	–	Sell	-17,487	Closed	-$34.1K	–	3797
2024 Q1	$34.1K	Buy	+17,487	New	+$30.5K	﹤0.01%	2616
2023 Q3	–	Sell	-12,001	Closed	-$25.9K	–	3577
2023 Q2	$25.9K	Buy	+12,001	New	+$26.2K	﹤0.01%	2475
2019 Q3	–	Sell	-1,657	Closed	-$9K	–	2529
2019 Q2	$9K	Buy	+1,657	New	+$11.3K	﹤0.01%	2001
2018 Q4	–	Sell	-733	Closed	-$8K	–	2930
2018 Q3	$8K	Buy	+733	New	+$8.02K	﹤0.01%	2504

Other funds holding ATYR

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

GCP

GSA Capital Partners London, United Kingdom $1.61B AUM 28.28% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Two Sigma Securities's ATYR Position: Q1 2026 in Review

Two Sigma Securities sold out of aTyr Pharma (ATYR) in Q1 2026, closing a stake of 39,006 shares — an estimated $30.5K sold.

Two Sigma Securities first reported a position in ATYR in Q3 2018 and held it in 7 quarters. The position peaked at $36K in Q1 2025. 111 funds tracked by Wall St. Rank hold ATYR as of Q1 2026.

Two Sigma Securities reported no remaining aTyr Pharma position as of Q1 2026 after selling out during the quarter.
Two Sigma Securities sold 39,006 aTyr Pharma shares in Q1 2026, an estimated $30.5K.
Two Sigma Securities first reported a position in aTyr Pharma in Q3 2018 and held it in 7 quarters.
Two Sigma Securities's aTyr Pharma position peaked at $36K in Q1 2025.
111 funds tracked by Wall St. Rank held aTyr Pharma as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.