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iBio IBIO · USD

Health Care · US listing · 🇺🇸 United States

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0.80

+7.64%

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
Affinity Asset Advisors LLC2.3m21.50%+200k22 Jan 2026
EcoR1 Capital, LLC2.2m21.22%+2.2m31 Dec 2025
Logos Global Management LP2m19.05%+2m31 Dec 2025
Frazier Life Sciences Management, L.P.2m18.61%+2m31 Dec 2025
Millennium Management LLC1.2m11.77%+1.2m15 Jan 2026
Balyasny Asset Management LP1.1m10.44%+1.1m31 Dec 2025
Ikarian Capital LLC957.1k9.12%+357.1k31 Dec 2025
The Vanguard Group, Inc.883.1k8.41%+609.1k31 Dec 2025
Sio Capital Management, LLC740k7.05%+740k31 Dec 2025
Columbia Threadneedle Investments (US)584.4k5.57%+102.1k31 Dec 2025
Two Sigma Investments, LP564.7k5.38%+519.7k31 Dec 2025
Adar1 Capital Management LLC405.5k3.86%+378.5k31 Dec 2025
Renaissance Technologies LLC353.3k3.37%+353.3k31 Dec 2025
Monashee Investment Management, LLC274.9k2.62%+274.9k31 Dec 2025
Boothbay Fund Management, LLC254.4k2.42%+77.6k31 Dec 2025

Short interest

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

3.7m

-11.2% on the period before. 3.5 days to cover.

Short volume

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

33.0%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 28 Aug 202612,211 shares
  • 27 Aug 202622,006 shares
  • 26 Aug 202621,321 shares
  • 25 Aug 2026887 shares
  • 24 Aug 202612,220 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.