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Alkermes Plc ALKS · USD

Health Care · US listing · 🇺🇸 United States

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46.17

+0.59%

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
BLACKROCK, INC.28.3m16.73%+42k31 Mar 2026
BAKER BROS. ADVISORS LP10m5.92%—31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC9.5m5.62%+9.5m31 Mar 2026
STATE STREET CORP9.5m5.59%−7.6k31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC7.4m4.39%+7.4m31 Mar 2026
RENAISSANCE TECHNOLOGIES LLC6.2m3.64%−507.6k31 Mar 2026
AMERICAN CENTURY COMPANIES INC6.1m3.59%+115.3k31 Mar 2026
PRICE T ROWE ASSOCIATES INC /MD/4.7m2.76%−4.3m31 Mar 2026
DIMENSIONAL FUND ADVISORS LP4.5m2.67%+109.6k31 Mar 2026
COMMODORE CAPITAL LP4.2m2.48%+650k31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC4.2m2.47%+101.5k31 Mar 2026
JPMORGAN CHASE & CO4.1m2.42%−1.1m31 Mar 2026
DEEP TRACK CAPITAL, LP3.6m2.12%+1.6m31 Mar 2026
WELLINGTON MANAGEMENT GROUP LLP3m1.76%−50.3k31 Mar 2026
FIRST TRUST ADVISORS LP3m1.75%+1.5m31 Mar 2026

Short interest

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

19m

+6.9% on the period before. 9.1 days to cover.

Short volume

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

63.2%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 23 Sept 2026722 shares
  • 24 Aug 2026566 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.