Alector (ALEC) Shares Outstanding (Diluted) (2020 - 2026)
Alector (ALEC) posted Weighted Average Shares Outstanding (Diluted) of 111.22 million for Q2 2026, up 10.8% from 100.37 million a year earlier and up 0.6% from the prior quarter.
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Analysis
Alector (ALEC) Shares Outstanding (Diluted) (2020 - 2026) Analysis & Trends
For FY2025, Alector's Weighted Average Shares Outstanding (Diluted) came in at 103 million, up 6.6% from FY2024.
- Annual Weighted Average Shares Outstanding (Diluted) has increased for five consecutive years, with a five-year compound annual growth rate of 5.8% (FY2020 to FY2025).
- In prior years, Alector's Weighted Average Shares Outstanding (Diluted) was 96.59 million in FY2024 (+15.4%), 83.73 million in FY2023 (+1.5%), 82.47 million in FY2022 (+2.6%) and 80.42 million in FY2021 (+3.4%).
- The Q2 2026 figure stands as the highest quarterly Weighted Average Shares Outstanding (Diluted) in data going back to Q3 2020.
- On a year-over-year basis, Weighted Average Shares Outstanding (Diluted) has increased in each of the last 15 quarters, with growth averaging 9.4% over the last eight quarters.
- The strongest year-over-year quarter for Weighted Average Shares Outstanding (Diluted) in the past five years was Q3 2024, with growth of 16.2%; the weakest was Q3 2022, with a decline of 3.1%.
- According to Business Quant data, Weighted Average Shares Outstanding (Diluted) for the three prior quarters was 110.59 million (Q1 2026), 103 million (Q4 2025) and 102.6 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,348.13 Bn | 1,321.74 Bn | 20.46 Bn | 893.40 Mn |
| 2 | Johnson & Johnson | 675.90 Bn | 595.76 Bn | 17.30 Bn | 2.45 Bn |
| 3 | AbbVie | 519.45 Bn | 487.50 Bn | 13.12 Bn | 1.77 Bn |
| 4 | Merck | 364.95 Bn | 327.95 Bn | 13.19 Bn | 2.48 Bn |
| 5 | Novartis Ag | 311.58 Bn | 285.16 Bn | - | 1.96 Bn |
| 6 | Astrazeneca | 289.34 Bn | 262.94 Bn | 13.26 Bn | 1.56 Bn |
| 7 | Amgen | 251.64 Bn | 203.30 Bn | 7.58 Bn | 546.00 Mn |
| 8 | Gilead Sciences | 212.05 Bn | 187.07 Bn | 6.73 Bn | 1.25 Bn |
| 9 | Pfizer | 167.35 Bn | 115.00 Bn | 12.56 Bn | 5.75 Bn |
| 10 | Alector | 284.06 Mn | -489.98 Mn | - | 112.48 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 112.48 Mn |
| Jun 30, 2026 | 111.22 Mn |
| Mar 31, 2026 | 110.59 Mn |
| Dec 31, 2025 | 103.00 Mn |
| Sep 30, 2025 | 102.60 Mn |
| Jun 30, 2025 | 100.37 Mn |
| Mar 31, 2025 | 99.40 Mn |
| Dec 31, 2024 | 96.59 Mn |
| Sep 30, 2024 | 97.52 Mn |
| Jun 30, 2024 | 96.67 Mn |
| Mar 31, 2024 | 93.81 Mn |
| Dec 31, 2023 | 83.73 Mn |
| Sep 30, 2023 | 83.93 Mn |
| Jun 30, 2023 | 83.57 Mn |
| Mar 31, 2023 | 83.10 Mn |
| Dec 31, 2022 | 82.47 Mn |
| Sep 30, 2022 | 82.60 Mn |
| Jun 30, 2022 | 82.59 Mn |
| Mar 31, 2022 | 82.10 Mn |
| Dec 31, 2021 | 80.42 Mn |
API Access
Alector 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=ALEC&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "ALEC", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=ALEC&period=max&api_key=YOUR_API_KEY");
const data = await res.json();