Two Sigma Advisers, LP’s Interactive Brokers Group In Position
Does Two Sigma Advisers, LP own Interactive Brokers Group In (IBKR)? Not currently — the last reported position was 4.60M shares worth $296M in Q4 2025; the fund’s latest 13F (Q1 2026) no longer reports it.
Position Value
$296M
Q4 2025
Shares
4.60M
% of Portfolio
+0.57%
Quarters Held
18
position exited
Position History IBKR
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q4 2025 | 4.60M | $296M | +0.57% |
| Q3 2025 | 4.19M | $289M | +0.58% |
| Q2 2025 | 3.38M | $187M | +0.38% |
| Q1 2025 | 848.3K | $140M | +0.32% |
| Q4 2024 | 465.9K | $82M | +0.19% |
| Q3 2024 | 83.8K | $12M | +0.03% |
| Q2 2024 | 24.2K | $3M | +0.01% |
| Q1 2023 | 6.3K | $520,128 | 0.00% |
| Q4 2022 | 71.5K | $5M | +0.01% |
| Q3 2022 | 111.2K | $7M | +0.02% |
| Q3 2020 | 41.6K | $2M | +0.01% |
| Q2 2020 | 41.6K | $2M | +0.01% |
| Q1 2020 | 41.6K | $2M | +0.01% |
| Q4 2019 | 41.6K | $2M | 0.00% |
| Q3 2019 | 41.6K | $2M | +0.01% |
| Q2 2019 | 41.6K | $2M | +0.01% |
| Q1 2019 | 41.6K | $2M | +0.01% |
| Q4 2018 | 41.6K | $2M | +0.01% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Two Sigma Advisers, LP’s full portfolio or all institutional holders of IBKR.