Steve Schonfeld’s aTyr Pharma ATYR Stock Holding History

Steve Schonfeld’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 Q2	$30.4K	Buy	+50,880	New	+$33.2K	﹤0.01%	2426
2025 Q3	–	Sell	-77,264	Closed	-$392K	–	2650
2025 Q2	$392K	Sell	77,264 -25,442	-25%	-$100K	﹤0.01%	1615
2025 Q1	$310K	Buy	102,706 +39,071	+61%	+$142K	﹤0.01%	1770
2024 Q4	$230K	Sell	63,635 -322,949	-84%	-$978K	﹤0.01%	1717
2024 Q3	$680K	Buy	386,584 +347,684	+894%	+$633K	﹤0.01%	1305
2024 Q2	$60.7K	Buy	38,900 +18,400	+90%	+$32K	﹤0.01%	1915
2024 Q1	$40K	Buy	+20,500	New	+$35.8K	﹤0.01%	1906
2023 Q3	–	Sell	-11,100	Closed	-$24K	–	2387
2023 Q2	$24K	Buy	+11,100	New	+$24.2K	﹤0.01%	1884

Other funds holding ATYR

Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

GCP

GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

KCM

Kalehua Capital Management Dallas, Texas $174M AUM

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Steve Schonfeld's ATYR Position: Q2 2026 in Review

Steve Schonfeld opened a new position in aTyr Pharma (ATYR) in Q2 2026: 50,880 shares worth $30.4K. The stake represents ﹤0.01% of the portfolio and ranks #2426 among its holdings. This is a return to the name: Steve Schonfeld previously reported a position in ATYR as recently as Q2 2025.

Steve Schonfeld first reported a position in ATYR in Q2 2023 and has held it in 8 quarters since. The position peaked at $680K in Q3 2024. 90 funds tracked by Wall St. Rank hold ATYR as of Q2 2026.

Steve Schonfeld held 50,880 shares of aTyr Pharma worth $30.4K as of Q2 2026.
aTyr Pharma was a new Steve Schonfeld position in Q2 2026.
aTyr Pharma made up ﹤0.01% of Steve Schonfeld's portfolio in Q2 2026, its #2426 holding.
Steve Schonfeld first reported a position in aTyr Pharma in Q2 2023 and has held it in 8 quarters since.
Steve Schonfeld's aTyr Pharma position peaked at $680K in Q3 2024.
90 funds tracked by Wall St. Rank held aTyr Pharma as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.