Millennium Management’s aTyr Pharma ATYR Stock Holding History

Millennium Management’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 Q3	–	Sell	-50,000	Closed	-$254K	–	6548
2025 Q2	$254K	Buy	+50,000	New	+$197K	﹤0.01%	5259

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

Millennium Management's ATYR Position: Q2 2026 in Review

Millennium Management reduced its aTyr Pharma (ATYR) stake by 60% in Q2 2026, selling an estimated $644K and leaving 656,051 shares worth $392K. The position accounts for ﹤0.01% of the portfolio, ranked #4947.

Millennium Management first reported a position in ATYR in Q4 2015 and has held it in 25 quarters since. The position peaked at $8.11M in Q2 2025. 89 funds tracked by Wall St. Rank hold ATYR as of Q2 2026.

Millennium Management held 656,051 shares of aTyr Pharma worth $392K as of Q2 2026.
Millennium Management sold 985,195 aTyr Pharma shares in Q2 2026, an estimated $644K.
aTyr Pharma made up ﹤0.01% of Millennium Management's portfolio in Q2 2026, its #4947 holding.
Millennium Management first reported a position in aTyr Pharma in Q4 2015 and has held it in 25 quarters since.
Millennium Management's aTyr Pharma position peaked at $8.11M in Q2 2025.
89 funds tracked by Wall St. Rank held aTyr Pharma as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.