Interactive Brokers Group, Inc.
MX ˙ BMV ˙ US45841N1072
SecurityMX:IBKR / Interactive Brokers Group, Inc.
InstitutionDaiwa Securities Group Inc.
Latest Disclosed Ownership95,312 shares
Latest Disclosed Value $ 6,392,576
Daiwa Securities Group Inc. reports 4.82% increase in ownership of IBKR / Interactive Brokers Group, Inc.

On May 13, 2026 - Daiwa Securities Group Inc. filed a 13F-HR form disclosing ownership of 95,312 shares of Interactive Brokers Group, Inc. (MX:IBKR) valued at $6,392,576 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 90,928 shares of Interactive Brokers Group, Inc.. This represents a change in shares of 4.82% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-13 2026-03-31 13F INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 95,312 4,384 4.82 6,393 127,740.00 0.0184
2026-02-10 2025-12-31 13F INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 90,928 4,114 4.74 6 0.00 0.0187
2025-11-14 2025-09-30 13F INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 86,814 51,214 143.86 6 400.00 0.0202
2025-08-14 2025-06-30 13F INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 35,600 26,500 291.21 2 0.00 0.0073
2025-05-13 2025-03-31 13F INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 9,100 9,100 2 0.0064
2025-02-07 2024-12-31 13F INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 0 -905 -100.00 0 0.0000
2024-11-12 2024-09-30 13F INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 905 -385 -29.84 0 0.0006
2024-08-07 2024-06-30 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 1,290 -20,811 -94.16 0 -100.00 0.0008
2024-05-02 2024-03-31 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 22,101 -29,243 -56.96 2 -50.00 0.0139
2024-01-31 2023-12-31 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 51,344 -4,700 -8.39 4 0.00 0.0265
2023-11-01 2023-09-30 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 56,044 -11,200 -16.66 5 -20.00 0.0346
2023-07-31 2023-06-30 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 67,244 -7,000 -9.43 6 -16.67 0.0369
2023-05-02 2023-03-31 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 74,244 -7,150 -8.78 6 20.00 0.0426
2023-02-06 2022-12-31 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 81,394 -3,700 -4.35 6 -99.91 0.0452
2022-11-02 2022-09-30 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 85,094 -10,867 -11.32 5,438 3.01 0.0452
2022-08-09 2022-06-30 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 95,961 -7,300 -7.07 5,279 -22.44 0.0403
2022-04-29 2022-03-31 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 103,261 -5,000 -4.62 6,806 -20.84 0.0315
2022-02-03 2021-12-31 13F INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 108,261 7,500 7.44 8,598 36.89 0.0506
2021-11-05 2021-09-30 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 100,761 14,650 17.01 6,281 10.97 0.0413
2021-08-06 2021-06-30 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 86,111 22,800 36.01 5,660 22.40 0.0381
2021-05-03 2021-03-31 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 63,311 -18,764 -22.86 4,624 -7.52 0.0344
2021-02-04 2020-12-31 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 82,075 -10,000 -10.86 5,000 12.36 0.0386
2020-11-02 2020-09-30 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 92,075 17,000 22.64 4,450 37.30 0.0403
2020-08-11 2020-06-30 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 75,075 0 0.00 3,241 0.00 0.0684
2020-05-14 2020-03-31 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 75,075 39,655 111.96 3,241 96.31 0.0336
2020-01-31 2019-12-31 13F INTERACTIVE BROKERS GROUP IN CL A 45841N107 35,420 35,420 1,651 0.0136
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.