Millennium Management
ATYR

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

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
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
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Millennium Management's ATYR Position: Q1 2026 in Review

Millennium Management opened a new position in aTyr Pharma (ATYR) in Q1 2026: 1,641,246 shares worth $1.28M. The stake represents ﹤0.01% of the portfolio and ranks #4204 among its holdings. This is a return to the name: Millennium Management previously reported a position in ATYR as recently as Q3 2025.

Millennium Management first reported a position in ATYR in Q4 2015 and has held it in 24 quarters since. The position peaked at $8.11M in Q2 2025. 111 funds tracked by Wall St. Rank hold ATYR as of Q1 2026.

  • Millennium Management held 1,641,246 shares of aTyr Pharma worth $1.28M as of Q1 2026.
  • aTyr Pharma was a new Millennium Management position in Q1 2026.
  • aTyr Pharma made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4204 holding.
  • Millennium Management first reported a position in aTyr Pharma in Q4 2015 and has held it in 24 quarters since.
  • Millennium Management's aTyr Pharma position peaked at $8.11M in Q2 2025.
  • 111 funds tracked by Wall St. Rank held aTyr Pharma as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.