Steve Schonfeld
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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
+1,272
New +$33.2K ﹤0.01% 2426
2025
Q3 		– Sell
-1,932
Closed -$392K – 2650
2025
Q2 		$392K Sell
1,932
-636
-25% -$100K ﹤0.01% 1615
2025
Q1 		$310K Buy
2,568
+977
+61% +$142K ﹤0.01% 1770
2024
Q4 		$230K Sell
1,591
-8,074
-84% -$978K ﹤0.01% 1717
2024
Q3 		$680K Buy
9,665
+8,692
+893% +$633K ﹤0.01% 1305
2024
Q2 		$60.7K Buy
973
+460
+90% +$32K ﹤0.01% 1915
2024
Q1 		$40K Buy
+513
New +$35.8K ﹤0.01% 1906
2023
Q3 		– Sell
-278
Closed -$24K – 2387
2023
Q2 		$24K Buy
+278
New +$24.3K ﹤0.01% 1884

Other funds holding ATYR

Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $71.4B AUM 33.43% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
GSA Capital Partners
GSA Capital Partners London, United Kingdom $1.59B AUM 39.8% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $132M AUM 92.09% 1-Year Est. Return
Jane Street
Jane Street New York $1.19T AUM 51.51% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Morgan Stanley
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: 1,272 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. 87 funds tracked by Wall St. Rank hold ATYR as of Q2 2026.

  • Steve Schonfeld held 1,272 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.
  • 87 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.