Interactive Brokers (IBKR) Shares Outstanding (Diluted) (2009 - 2026)
Interactive Brokers' Shares Outstanding (Diluted) was 450.09 million in Q2 2026, up 2.0% from 441.44 million a year earlier and up 0.4% from the prior quarter.
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Analysis
Interactive Brokers (IBKR) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends
For FY2025, Shares Outstanding (Diluted) at Interactive Brokers came in at 443.86 million, up 1.8% from FY2024.
- Shares Outstanding (Diluted) has now increased for 16 consecutive years, with a five-year compound annual growth rate of 6.6% (FY2020 to FY2025).
- In earlier years, Shares Outstanding (Diluted) was 436.01 million in FY2024 (+3.0%), 423.39 million in FY2023 (+4.5%), 405.2 million in FY2022 (+6.6%) and 380.04 million in FY2021 (+17.8%).
- The Q2 2026 figure marks the highest quarterly Shares Outstanding (Diluted) in data going back to Q2 2009.
- Compared with a year earlier, Shares Outstanding (Diluted) has increased for 65 straight quarters, with growth averaging 2.0% over the last eight quarters.
- The year-over-year growth in Shares Outstanding (Diluted) has ranged between 1.6% (Q1 2025) and 22.6% (Q3 2021) over the last five years.
- Per Business Quant data, IBKR's Shares Outstanding (Diluted) in the three quarters before Q2 2026 was 448.37 million (Q1 2026), 443.86 million (Q4 2025) and 446.53 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Robinhood Markets | 101.35 Bn | 82.45 Bn | - | 912.00 Mn |
| 2 | Bank of New York Mellon | 98.65 Bn | 38.02 Bn | - | 692.22 Mn |
| 3 | Cme | 94.54 Bn | 94.54 Bn | - | 361.28 Mn |
| 4 | Intercontinental Exchange | 84.23 Bn | 78.04 Bn | - | 566.00 Mn |
| 5 | Nasdaq | 50.77 Bn | 48.20 Bn | 1.50 Bn | 567.75 Mn |
| 6 | State Street | 48.31 Bn | 48.31 Bn | - | 281.06 Mn |
| 7 | Interactive Brokers | 39.79 Bn | 33.24 Bn | - | 450.09 Mn |
| 8 | Northern Trust | 31.37 Bn | 31.37 Bn | - | 184.89 Mn |
| 9 | Cboe Global Markets | 28.34 Bn | 20.00 Bn | 731.60 Mn | 104.90 Mn |
| 10 | LPL Financial Holdings | 24.92 Bn | 20.24 Bn | - | 80.03 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 450.09 Mn |
| Mar 31, 2026 | 448.37 Mn |
| Dec 31, 2025 | 443.86 Mn |
| Sep 30, 2025 | 446.53 Mn |
| Jun 30, 2025 | 441.44 Mn |
| Mar 31, 2025 | 439.46 Mn |
| Dec 31, 2024 | 436.01 Mn |
| Sep 30, 2024 | 438.15 Mn |
| Jun 30, 2024 | 434.51 Mn |
| Mar 31, 2024 | 432.60 Mn |
| Dec 31, 2023 | 423.39 Mn |
| Sep 30, 2023 | 428.05 Mn |
| Jun 30, 2023 | 417.85 Mn |
| Mar 31, 2023 | 416.17 Mn |
| Dec 31, 2022 | 405.20 Mn |
| Sep 30, 2022 | 410.22 Mn |
| Jun 30, 2022 | 398.78 Mn |
| Mar 31, 2022 | 396.90 Mn |
| Dec 31, 2021 | 380.04 Mn |
| Sep 30, 2021 | 387.96 Mn |
API Access
Interactive Brokers 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=IBKR&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "IBKR", "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=IBKR&period=max&api_key=YOUR_API_KEY");
const data = await res.json();