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IBKR · Company KPIs

Interactive Brokers (IBKR) KPIs

Total Accounts, Customer Equity, Total Customer DARTs, Net interest margin. As reported in SEC filings, with the source line for each figure.

Total Accounts

5.58M at Sep 30, 2026

Dec 31, 2024: 3.34MMar 31, 2025: 3.62MJun 30, 2025: 3.87MSep 30, 2025: 4.13MDec 31, 2025: 4.4MMar 31, 2026: 4.75MJun 30, 2026: 5.18MSep 30, 2026: 5.58MDec 31, 2024Sep 30, 2026

The filings read for this page do not define this measure.

Total Accounts, as first reported, with the line it was read from
Period endedFigureFiling text
Sep 30, 20265.58MTotal Accounts (in thousands) · 5,576 · 4,127 · 35%8-K filed 2026-10-15
Jun 30, 20265.18MTotal Accounts (in thousands) · 5,185 · 3,866 · 34%8-K filed 2026-07-21
Mar 31, 20264.75MTotal Accounts (in thousands) · 4,754 · 3,616 · 31%8-K filed 2026-04-21
Dec 31, 20254.4MTotal Accounts (in thousands) · 4,399 · 3,337 · 32%8-K filed 2026-01-20
Sep 30, 20254.13MTotal Accounts (in thousands) · 4,127 · 3,120 · 32%8-K filed 2025-10-16
Jun 30, 20253.87MTotal Accounts (in thousands) · 4,127 · 3,866 · 7%8-K filed 2025-10-16
Mar 31, 20253.62MTotal Accounts (in thousands) · 4,754 · 3,616 · 31%8-K filed 2026-04-21
Dec 31, 20243.34MTotal Accounts (in thousands) · 4,399 · 3,337 · 32%8-K filed 2026-01-20

Customer Equity

$965B at Sep 30, 2026

Sep 30, 2024: $541.5BDec 31, 2024: $568.2BMar 31, 2025: $573.5BJun 30, 2025: $664.6BDec 31, 2025: $779.9BMar 31, 2026: $789.4BJun 30, 2026: $930.3BSep 30, 2026: $965BSep 30, 2024Sep 30, 2026

The filings read for this page do not define this measure.

Customer Equity, as first reported, with the line it was read from
Period endedFigureFiling text
Sep 30, 2026$965BCustomer Equity (in billions)1 · $965 · $758 · 27%8-K filed 2026-10-15
Jun 30, 2026$930.3BCustomer Equity (in billions)1 · $930.3 · $664.6 · 40%8-K filed 2026-07-21
Mar 31, 2026$789.4BCustomer Equity (in billions)1 · $789.4 · $573.5 · 38%8-K filed 2026-04-21
Dec 31, 2025$779.9BCustomer Equity (in billions)1 · $779.9 · $568.2 · 37%8-K filed 2026-01-20
Jun 30, 2025$664.6BCustomer Equity (in billions)1 · $757.5 · $664.6 · 14%8-K filed 2025-10-16
Mar 31, 2025$573.5BCustomer Equity (in billions)1 · $789.4 · $573.5 · 38%8-K filed 2026-04-21
Dec 31, 2024$568.2BCustomer Equity (in billions)1 · $779.9 · $568.2 · 37%8-K filed 2026-01-20
Sep 30, 2024$541.5BCustomer Equity (in billions)1 · $757.5 · $541.5 · 40%8-K filed 2025-10-16

Total Customer DARTs

4.27M for the period ended Sep 30, 2026

Dec 31, 2024: 3.12MMar 31, 2025: 3.52MJun 30, 2025: 3.55MSep 30, 2025: 3.62MDec 31, 2025: 4.04MMar 31, 2026: 4.37MJun 30, 2026: 4.82MSep 30, 2026: 4.27MDec 31, 2024Sep 30, 2026

The filings read for this page do not define this measure.

Total Customer DARTs, as first reported, with the line it was read from
Period endedFigureFiling text
Sep 30, 20264.27MTotal Customer DARTs (in thousands) · 4,273 · 3,616 · 18%8-K filed 2026-10-15
Jun 30, 20264.82MTotal Customer DARTs (in thousands) · 4,824 · 3,552 · 36%8-K filed 2026-07-21
Mar 31, 20264.37MTotal Customer DARTs (in thousands) · 4,368 · 3,519 · 24%8-K filed 2026-04-21
Dec 31, 20254.04MTotal Customer DARTs (in thousands) · 4,043 · 3,118 · 30%8-K filed 2026-01-20
Sep 30, 20253.62MTotal Customer DARTs (in thousands) · 3,616 · 2,703 · 34%8-K filed 2025-10-16
Jun 30, 20253.55MTotal Customer DARTs (in thousands) · 3,616 · 3,552 · 2%8-K filed 2025-10-16
Mar 31, 20253.52MTotal Customer DARTs (in thousands) · 4,368 · 3,519 · 24%8-K filed 2026-04-21
Dec 31, 20243.12MTotal Customer DARTs (in thousands) · 4,043 · 3,118 · 30%8-K filed 2026-01-20

Net interest margin

1.99% for the period ended Sep 30, 2026

Dec 31, 2024: 2.23%Mar 31, 2025: 2.1%Jun 30, 2025: 2.07%Sep 30, 2025: 2.16%Dec 31, 2025: 2.02%Mar 31, 2026: 1.88%Jun 30, 2026: 1.93%Sep 30, 2026: 1.99%Dec 31, 2024Sep 30, 2026

The filings read for this page do not define this measure.

Net interest margin, as first reported, with the line it was read from
Period endedFigureFiling text
Sep 30, 20261.99%Net interest margin ("NIM") · 1.99% · 2.16% · 1.94% · 2.11%8-K filed 2026-10-15
Jun 30, 20261.93%Net interest margin ("NIM") · 1.93% · 2.07% · 1.91% · 2.09%8-K filed 2026-07-21
Mar 31, 20261.88%Net interest margin ("NIM") · 1.88% · 2.10%8-K filed 2026-04-21
Dec 31, 20252.02%Net interest margin ("NIM") · 2.02% · 2.23% · 2.08% · 2.35%8-K filed 2026-01-20
Sep 30, 20252.16%Net interest margin ("NIM") · 2.16% · 2.37% · 2.11% · 2.40%8-K filed 2025-10-16
Jun 30, 20252.07%Net interest margin ("NIM") · 1.93% · 2.07% · 1.91% · 2.09%8-K filed 2026-07-21
Mar 31, 20252.1%Net interest margin ("NIM") · 1.88% · 2.10%8-K filed 2026-04-21
Dec 31, 20242.23%Net interest margin ("NIM") · 2.02% · 2.23% · 2.08% · 2.35%8-K filed 2026-01-20

Reading notes

Figures are shown as first reported. If a later filing prints a different figure for the same period, both appear. A figure marked ≈ or shown in words is how the company itself states it, not an estimate of ours. Companies change definitions over time, so compare periods with the quoted definition in mind. Periods that failed our checks are left out, so gaps are expected.

This page shows the latest 8 periods of each metric.