Alkermes ALKS
NASDAQ ALKS
$46.17 +0.27 (+0.59%)
At close: Nov 9, 2026 · 4:00 PM EST

Alkermes (ALKS) Shares Outstanding (Diluted) (2010 - 2026)

Updated

Alkermes (ALKS) recorded Weighted Average Shares Outstanding (Diluted) of 176.37 million in Q3 2026, up 4.7% from 168.51 million a year earlier and up 1.7% from the prior quarter.

Analysis

Alkermes (ALKS) Shares Outstanding (Diluted) (2010 - 2026) Analysis & Trends

For FY2025, Alkermes reported Weighted Average Shares Outstanding (Diluted) of 168.74 million, down 0.3% from FY2024.

  • Annual Weighted Average Shares Outstanding (Diluted) has a five-year compound annual growth rate of 1.2% (FY2020 to FY2025).
  • Across earlier years, Weighted Average Shares Outstanding (Diluted) came in at 169.2 million in FY2024 (-0.3%), 169.73 million in FY2023 (+3.8%), 163.54 million in FY2022 (+1.6%) and 160.94 million in FY2021 (+1.3%).
  • The Q3 2026 figure is the highest quarterly Weighted Average Shares Outstanding (Diluted) in data going back to Q1 2013.
  • On a year-over-year basis, Weighted Average Shares Outstanding (Diluted) rose in three of the last eight quarters, with growth averaging 0.3%.
  • Peak year-over-year performance for Weighted Average Shares Outstanding (Diluted) in the last five years was growth of 4.8% in Q1 2024, against a decline of 2.8% in Q3 2024 at the low end.
  • Per Business Quant, the preceding three quarters came in at 173.48 million (Q2 2026), 166.2 million (Q1 2026) and 168.74 million (Q4 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Dil.) (Qtr)
1 Eli Lilly 1,261.99 Bn 1,235.61 Bn 20.46 Bn 893.40 Mn
2 Johnson & Johnson 678.93 Bn 598.79 Bn 17.30 Bn 2.45 Bn
3 AbbVie 518.29 Bn 486.30 Bn 13.12 Bn 1.77 Bn
4 Merck 365.98 Bn 328.92 Bn 13.19 Bn 2.48 Bn
5 Novartis Ag 316.85 Bn 290.09 Bn - 1.96 Bn
6 Astrazeneca 293.40 Bn 267.29 Bn 13.26 Bn 1.56 Bn
7 Amgen 251.78 Bn 203.43 Bn 7.58 Bn 546.00 Mn
8 Gilead Sciences 210.61 Bn 185.71 Bn 6.73 Bn 1.25 Bn
9 Pfizer 166.87 Bn 114.23 Bn 12.56 Bn 5.75 Bn
10 Alkermes 7.77 Bn 5.26 Bn 385.91 Mn 176.37 Mn
Historic Data

Historic Data

Download Data
DateValue
Sep 30, 2026 176.37 Mn
Jun 30, 2026 173.48 Mn
Mar 31, 2026 166.20 Mn
Dec 31, 2025 168.74 Mn
Sep 30, 2025 168.51 Mn
Jun 30, 2025 168.36 Mn
Mar 31, 2025 168.74 Mn
Dec 31, 2024 169.20 Mn
Sep 30, 2024 167.03 Mn
Jun 30, 2024 170.98 Mn
Mar 31, 2024 172.98 Mn
Dec 31, 2023 169.73 Mn
Sep 30, 2023 171.90 Mn
Jun 30, 2023 171.55 Mn
Mar 31, 2023 165.09 Mn
Dec 31, 2022 163.54 Mn
Sep 30, 2022 164.28 Mn
Jun 30, 2022 163.84 Mn
Mar 31, 2022 162.48 Mn
Dec 31, 2021 160.94 Mn
API Access

Alkermes Shares Outstanding (Diluted) API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=ALKS&period=max&api_key=YOUR_API_KEY