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Rallybio RLYB · USD

Health Care · US listing · 🇺🇸 United States

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15.66

-0.57%

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
Viking Global Investors LP4.2m79.45%—30 Jun 2025
Johnson & Johnson Innovation-JJDC, Inc.3.6m68.87%—30 Jun 2025
5AM Ventures3.6m68.76%—30 Jun 2025
New Leaf Venture Partners LLC3.3m62.53%—30 Jun 2025
TPG Capital, L.P.3m57.36%—30 Jun 2025
Pivotal Bioventure Partners Investment Advisor LLC2.4m45.54%—30 Jun 2025
Fidelity Management & Research Company LLC1.9m35.42%+85.1k30 Jun 2025
Almitas Capital LLC1.8m34.42%+516.9k30 Jun 2025
abrdn Inc.1.6m30.21%−131.8k30 Jun 2025
The Vanguard Group, Inc.909.9k17.23%−62k30 Jun 2025
Aju IB Investment Co., Ltd.754.7k14.29%—30 Jun 2025
Laurion Capital Management LP735.5k13.93%—30 Jun 2025
Renaissance Technologies LLC485k9.19%+88.5k30 Jun 2025
Canaan Partners450k8.52%−491k30 Sept 2025
Mariner Wealth Advisors404.5k7.66%—30 Jun 2025

Short interest

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

41k

-16.8% on the period before. 7.4 days to cover.

Short volume

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

47.0%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 21 Sept 2026232 shares
  • 17 Sept 2026502 shares
  • 4 Sept 202612 shares
  • 2 Sept 20261,213 shares
  • 20 Aug 202615 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.