WP
ATYR

Woodline Partners’s aTyr Pharma ATYR Stock Holding History

Woodline Partners’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
2025
Q4 		– Sell
-102,687
Closed -$74.1K – 1139
2025
Q3 		$74.1K Sell
102,687
-1,578,908
-94% -$7.15M ﹤0.01% 867
2025
Q2 		$8.53M Hold
1,681,595
– – 0.05% 459
2025
Q1 		$5.08M Sell
1,681,595
-1,405
-0.1% -$5.12K 0.03% 506
2024
Q4 		$6.09M Sell
1,683,000
-549
-0% -$1.66K 0.04% 444
2024
Q3 		$2.96M Buy
1,683,549
+387
+0% +$704 0.03% 439
2024
Q2 		$2.63M Buy
1,683,162
+1,883
+0.1% +$3.28K 0.03% 397
2024
Q1 		$3.28M Buy
+1,681,279
New +$2.93M 0.03% 398

Other funds holding ATYR

RA
Rosalind Advisors Toronto, Ontario, Canada $269M AUM 103.38% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
GCP
GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Woodline Partners's ATYR Position: Q4 2025 in Review

Woodline Partners sold out of aTyr Pharma (ATYR) in Q4 2025, closing a stake of 102,687 shares — an estimated $74.1K sold.

Woodline Partners first reported a position in ATYR in Q1 2024 and held it in 7 quarters. The position peaked at $8.53M in Q2 2025. 84 funds tracked by Wall St. Rank hold ATYR as of Q4 2025.

  • Woodline Partners reported no remaining aTyr Pharma position as of Q4 2025 after selling out during the quarter.
  • Woodline Partners sold 102,687 aTyr Pharma shares in Q4 2025, an estimated $74.1K.
  • Woodline Partners first reported a position in aTyr Pharma in Q1 2024 and held it in 7 quarters.
  • Woodline Partners's aTyr Pharma position peaked at $8.53M in Q2 2025.
  • 84 funds tracked by Wall St. Rank held aTyr Pharma as of Q4 2025.

Based on Woodline Partners's 13F filing for Q4 2025, filed 17 Feb 2026.