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A

Alto Neuroscience ANRO · USD

N/A · US listing · 🇺🇸 United States

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27.80

+10.49%

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
Alpha Wave Global, LP3.7m11.93%—31 Dec 2025
Vestal Point Capital, LP2.5m8.00%+1.5m31 Dec 2025
Commodore Capital LP1.8m5.87%+169.3k31 Dec 2025
Perceptive Advisors LLC1.8m5.74%−205k31 Dec 2025
Point72 Asset Management, L.P.1.6m5.17%+274.5k31 Dec 2025
Armistice Capital LLC1.5m4.94%−100k31 Dec 2025
The Vanguard Group, Inc.1.4m4.40%+260.4k31 Dec 2025
Franklin Advisers, Inc.1.1m3.60%−43k31 Dec 2025
Vivo Capital, LLC1m3.33%+1m31 Dec 2025
72 Investment Holdings, LLC667.8k2.15%—31 Dec 2025
Millennium Management LLC630k2.03%+314.2k31 Dec 2025
BlackRock Institutional Trust Company, N.A.597.4k1.92%+234.1k31 Dec 2025
Ikarian Capital LLC515k1.66%+405k31 Dec 2025
Alkeon Capital Management LLC477.1k1.54%—31 Dec 2025
Northern Trust Investments, Inc.474.4k1.53%+13.1k31 Dec 2025

Short interest

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

5.2m

+11.7% on the period before. 7.5 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

62.8%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 15 Sept 2026128 shares
  • 14 Sept 2026581 shares
  • 8 Sept 2026568 shares
  • 24 Aug 20263,994 shares
  • 20 Aug 2026100 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.