Rhythm Pharmaceuticals (RYTM) Shares Outstanding (Diluted) (2018 - 2026)
Rhythm Pharmaceuticals (RYTM) posted Weighted Average Shares Outstanding (Diluted) of 69.05 million for Q3 2026, up 4.2% from 66.26 million a year earlier and up 0.7% from the prior quarter.
Powered by 
Analysis
Rhythm Pharmaceuticals (RYTM) Shares Outstanding (Diluted) (2018 - 2026) Analysis & Trends
For FY2025, Rhythm Pharmaceuticals' Weighted Average Shares Outstanding (Diluted) came in at 64.98 million, up 6.5% from FY2024.
- Annual Weighted Average Shares Outstanding (Diluted) has increased for six consecutive years, with a five-year compound annual growth rate of 8.0% (FY2020 to FY2025).
- In prior years, Rhythm Pharmaceuticals' Weighted Average Shares Outstanding (Diluted) was 61 million in FY2024 (+5.8%), 57.67 million in FY2023 (+10.7%), 52.12 million in FY2022 (+5.1%) and 49.6 million in FY2021 (+12.4%).
- The Q3 2026 figure stands as the highest quarterly Weighted Average Shares Outstanding (Diluted) in data going back to Q4 2019.
- On a year-over-year basis, Weighted Average Shares Outstanding (Diluted) has increased in each of the last 24 quarters, with growth averaging 6.2% over the last eight quarters.
- The year-over-year growth in Weighted Average Shares Outstanding (Diluted) has ranged between 0.4% (Q2 2022) and 12.8% (Q2 2023) over the last five years.
- According to Business Quant data, Weighted Average Shares Outstanding (Diluted) for the three prior quarters was 68.59 million (Q2 2026), 67.97 million (Q1 2026) and 64.98 million (Q4 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 | Rhythm Pharmaceuticals | 7.90 Bn | 6.52 Bn | 79.96 Mn | 69.05 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 69.05 Mn |
| Jun 30, 2026 | 68.59 Mn |
| Mar 31, 2026 | 67.97 Mn |
| Dec 31, 2025 | 64.98 Mn |
| Sep 30, 2025 | 66.26 Mn |
| Jun 30, 2025 | 63.68 Mn |
| Mar 31, 2025 | 63.06 Mn |
| Dec 31, 2024 | 61.00 Mn |
| Sep 30, 2024 | 61.22 Mn |
| Jun 30, 2024 | 61.01 Mn |
| Mar 31, 2024 | 60.14 Mn |
| Dec 31, 2023 | 57.67 Mn |
| Sep 30, 2023 | 57.87 Mn |
| Jun 30, 2023 | 56.87 Mn |
| Mar 31, 2023 | 56.71 Mn |
| Dec 31, 2022 | 52.12 Mn |
| Sep 30, 2022 | 51.40 Mn |
| Jun 30, 2022 | 50.40 Mn |
| Mar 31, 2022 | 50.33 Mn |
| Dec 31, 2021 | 49.60 Mn |
API Access
Rhythm 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=RYTM&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "RYTM", "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=RYTM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();