Zenas BioPharma (ZBIO) Shares Outstanding (Diluted) (2023 - 2026)
Zenas BioPharma (ZBIO) reported Weighted Average Shares Outstanding (Diluted) of 63.11 million for Q2 2026, up 50.8% from 41.87 million a year earlier and up 13.5% from the prior quarter.
Zenas BioPharma (ZBIO) Shares Outstanding (Diluted) (2023 - 2026) Analysis & Trends
For FY2025, Zenas BioPharma posted Weighted Average Shares Outstanding (Diluted) of 44.73 million, up 238.9% from FY2024.
- By year, Weighted Average Shares Outstanding (Diluted) came in at 13.2 million in FY2024 (+762.0%) and 1.53 million in FY2023.
- The Q2 2026 figure ranks as the highest quarterly Weighted Average Shares Outstanding (Diluted) in data going back to Q3 2023.
- Year over year, Weighted Average Shares Outstanding (Diluted) has now increased in each of the last four quarters, with growth averaging 306.3% over the last six quarters.
- Per Business Quant data, the three quarters before Q2 2026 came in at 55.62 million (Q1 2026), 44.73 million (Q4 2025) and 42.16 million (Q3 2025).
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 | Zenas BioPharma | 1.94 Bn | 1.29 Bn | - | 66.15 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 66.15 Mn |
| Jun 30, 2026 | 63.11 Mn |
| Mar 31, 2026 | 55.62 Mn |
| Dec 31, 2025 | 44.73 Mn |
| Sep 30, 2025 | 42.16 Mn |
| Jun 30, 2025 | 41.87 Mn |
| Mar 31, 2025 | 41.80 Mn |
| Dec 31, 2024 | 13.20 Mn |
| Sep 30, 2024 | 7.70 Mn |
| Jun 30, 2024 | 1.57 Mn |
| Mar 31, 2024 | 1.55 Mn |
| Dec 31, 2023 | 1.53 Mn |
| Sep 30, 2023 | 1.90 Mn |
Zenas BioPharma 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=ZBIO&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "ZBIO", "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=ZBIO&period=max&api_key=YOUR_API_KEY");
const data = await res.json();