Phathom Pharmaceuticals (PHAT) Shares Outstanding (Diluted) (2021 - 2026)
Phathom Pharmaceuticals (PHAT) reported Weighted Average Shares Outstanding (Diluted) of 83.75 million for Q3 2026, up 14.1% from 73.4 million a year earlier and unchanged from the prior quarter.
Phathom Pharmaceuticals (PHAT) Shares Outstanding (Diluted) (2021 - 2026) Analysis & Trends
For FY2025, Phathom Pharmaceuticals posted Weighted Average Shares Outstanding (Diluted) of 72.92 million, up 15.4% from FY2024.
- Weighted Average Shares Outstanding (Diluted) has increased for four consecutive years, with a four-year compound annual growth rate of 18.5% (FY2021 to FY2025).
- By year, Weighted Average Shares Outstanding (Diluted) came in at 63.18 million in FY2024 (+23.2%), 51.29 million in FY2023 (+31.1%), 39.12 million in FY2022 (+5.7%) and 37 million in FY2021.
- Year over year, Weighted Average Shares Outstanding (Diluted) has now increased in each of the last 18 quarters, with growth averaging 17.9% over the last eight quarters.
- Across the past five years, year-over-year growth in Weighted Average Shares Outstanding (Diluted) ran from 4.1% in Q3 2022 to 46.3% in Q3 2023.
- Per Business Quant data, the three quarters before Q3 2026 came in at 83.75 million (Q2 2026), 82.05 million (Q1 2026) and 72.92 million (Q4 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 | Phathom Pharmaceuticals | 442.66 Mn | -246.70 Mn | 66.36 Mn | 84.89 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 84.89 Mn |
| Jun 30, 2026 | 83.75 Mn |
| Mar 31, 2026 | 82.05 Mn |
| Dec 31, 2025 | 72.92 Mn |
| Sep 30, 2025 | 73.40 Mn |
| Jun 30, 2025 | 72.47 Mn |
| Mar 31, 2025 | 71.97 Mn |
| Dec 31, 2024 | 63.18 Mn |
| Sep 30, 2024 | 64.63 Mn |
| Jun 30, 2024 | 58.56 Mn |
| Mar 31, 2024 | 58.37 Mn |
| Dec 31, 2023 | 51.29 Mn |
| Sep 30, 2023 | 56.78 Mn |
| Jun 30, 2023 | 48.50 Mn |
| Mar 31, 2023 | 42.35 Mn |
| Dec 31, 2022 | 39.12 Mn |
| Sep 30, 2022 | 38.82 Mn |
| Jun 30, 2022 | 38.27 Mn |
| Mar 31, 2022 | 38.04 Mn |
| Dec 31, 2021 | 37.00 Mn |
Phathom Pharmaceuticals 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=PHAT&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "PHAT", "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=PHAT&period=max&api_key=YOUR_API_KEY");
const data = await res.json();