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aTyr Pharma ATYR · USD

Health Care · US listing · 🇺🇸 United States

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7.58

+19.37%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
Fidelity Management & Research Company LLC13.4m13.62%+457.1k30 Jun 2025
Federated Hermes Global Investment Management Corp.10.5m10.76%−4.1m30 Sept 2025
BlackRock Institutional Trust Company, N.A.5.3m5.45%+3.8m30 Jun 2025
The Vanguard Group, Inc.4.7m4.75%+648.3k30 Jun 2025
Octagon Capital Advisors LP3.8m3.90%+268k30 Jun 2025
Tikvah Management LLC2.5m2.51%—30 Jun 2025
Geode Capital Management, L.L.C.2.1m2.14%+1.2m30 Jun 2025
UBS Financial Services, Inc.1.7m1.78%+138.2k30 Jun 2025
Woodline Partners LP1.7m1.72%—30 Jun 2025
Millennium Management LLC1.6m1.63%+1.2k30 Jun 2025
Alyeska Investment Group, L.P.1.4m1.44%+134.9k30 Jun 2025
State Street Investment Management (US)1.2m1.27%+872.4k30 Jun 2025
Integral Health Asset Management, LLC1.1m1.07%+350k30 Jun 2025
Point72 Asset Management, L.P.988.7k1.01%−1.9m30 Jun 2025
Tang Capital Management, LLC671.1k0.68%—30 Jun 2025

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

10.3m

-20.3% on the period before. 5.4 days to cover.

Short volume

Share of the day's trading sold short, 5 Nov 2026

96.4%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 30 Sept 20264,097 shares
  • 23 Sept 2026406 shares
  • 18 Sept 202613,043 shares
  • 9 Sept 2026327 shares
  • 8 Sept 2026156 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.