Insmed (INSM) Shares Outstanding (Diluted) (2010 - 2026)
Insmed's Shares Outstanding (Diluted) came in at 217.35 million for Q2 2026, up 14.8% from 189.3 million a year earlier and up 0.9% from the prior quarter.
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Analysis
Insmed (INSM) Shares Outstanding (Diluted) (2010 - 2026) Analysis & Trends
For FY2025, Insmed's Shares Outstanding (Diluted) was 199.01 million, up 21.3% from FY2024.
- Shares Outstanding (Diluted) has increased in each of the last 15 years, with a five-year compound annual growth rate of 15.3% (FY2020 to FY2025).
- Going back by year, Shares Outstanding (Diluted) was 164.04 million in FY2024 (+16.8%), 140.43 million in FY2023 (+14.1%), 123.04 million in FY2022 (+9.7%) and 112.11 million in FY2021 (+14.9%).
- The Q2 2026 figure represents the highest quarterly Shares Outstanding (Diluted) in data going back to Q2 2010.
- Year-over-year, Shares Outstanding (Diluted) has increased for 61 consecutive quarters, with growth averaging 20.0% over the last eight quarters.
- The year-over-year growth in Shares Outstanding (Diluted) has ranged between 3.2% (Q3 2022) and 22.4% (Q2 2025) over the last five years.
- Business Quant data shows INSM's Shares Outstanding (Diluted) at 215.47 million (Q1 2026), 199.01 million (Q4 2025) and 211.76 million (Q3 2025) in the three quarters before Q2 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 638.12 Bn | 556.64 Bn | 17.26 Bn | 2.44 Bn |
| 2 | AbbVie | 462.60 Bn | 435.75 Bn | 12.70 Bn | 1.77 Bn |
| 3 | Merck | 358.70 Bn | 313.13 Bn | 12.21 Bn | 2.47 Bn |
| 4 | Novartis Ag | 272.16 Bn | 228.03 Bn | 11.24 Bn | 1.96 Bn |
| 5 | Astrazeneca | 250.36 Bn | 223.92 Bn | 12.86 Bn | 1.56 Bn |
| 6 | Amgen | 227.87 Bn | 183.27 Bn | 7.24 Bn | 544.00 Mn |
| 7 | Gilead Sciences | 184.97 Bn | 159.08 Bn | 6.22 Bn | 1.24 Bn |
| 8 | Pfizer | 162.61 Bn | 109.56 Bn | 10.94 Bn | 5.70 Bn |
| 9 | Vertex Pharmaceuticals | 132.45 Bn | 104.46 Bn | 2.84 Bn | 255.20 Mn |
| 10 | Insmed | 24.91 Bn | 19.42 Bn | 358.27 Mn | 217.35 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 217.35 Mn |
| Mar 31, 2026 | 215.47 Mn |
| Dec 31, 2025 | 199.01 Mn |
| Sep 30, 2025 | 211.76 Mn |
| Jun 30, 2025 | 189.30 Mn |
| Mar 31, 2025 | 180.86 Mn |
| Dec 31, 2024 | 164.04 Mn |
| Sep 30, 2024 | 173.72 Mn |
| Jun 30, 2024 | 154.70 Mn |
| Mar 31, 2024 | 148.46 Mn |
| Dec 31, 2023 | 140.43 Mn |
| Sep 30, 2023 | 142.90 Mn |
| Jun 30, 2023 | 137.55 Mn |
| Mar 31, 2023 | 136.36 Mn |
| Dec 31, 2022 | 123.04 Mn |
| Sep 30, 2022 | 120.79 Mn |
| Jun 30, 2022 | 119.60 Mn |
| Mar 31, 2022 | 118.93 Mn |
| Dec 31, 2021 | 112.11 Mn |
| Sep 30, 2021 | 117.09 Mn |
API Access
Insmed 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=INSM&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "INSM", "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=INSM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();