TWO SIGMA INVESTMENTS, LP
Position in IBKR — Interactive Brokers Group, Inc.
CIK 1179392
NEW YORK, NY
Position in IBKR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$725,948,416
+$168,397,452 QoQ
Shares Held
8,340,400
+0.3% QoQ
Ownership
1.84%
of shares outstanding
% of Portfolio
0.59%
of 13F equity value
Holder Rank
#9
of 1,109 holders
Holding Since
Sep 2022
15 quarters on record
Voting authority
Sole 98%
Shared 0%
None 2%
Common Shares in IBKR Over Time
Shares Held
Position Value (USD)
Derivatives in IBKR
reported options exposure · as of Jun 30, 2026CallValue
$2,323,968
CallShares
26,700
PutValue
$2,750,464
PutShares
31,600
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Capital Markets
Financial Services · as of Jun 30, 2026TWO SIGMA INVESTMENTS, LP holds $4,357,097,360 across 44 Capital Markets names. IBKR ranks #3 (16.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SCHW |
Schwab Charles Corp
|
8,425,755 | $777,444,413 | |
| 2 | GS |
Goldman Sachs Group Inc
|
753,545 | $762,112,806 | |
| 3 | IBKR |
Interactive Brokers Group, Inc.
This page
|
8,340,400 | $725,948,416 | |
| 4 | MS |
Morgan Stanley
|
3,423,546 | $715,658,055 | |
| 5 | WULF |
Terawulf Inc.
|
11,495,860 | $283,947,742 | |
| 6 | JEF |
Jefferies Financial Group Inc.
|
3,205,077 | $160,189,748 | |
| 7 | IREN |
IREN Ltd
|
2,613,062 | $119,495,325 | |
| 8 | RIOT |
Riot Platforms, Inc.
|
3,632,510 | $99,458,123 |
All Filings in IBKR
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21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $725,948,416 | 8,340,400 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 | $2,323,968 | 26,700 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $2,750,464 | 31,600 | Put | Sole | 2026-08-14 | |
| 2026-03-31 | $2,662,679 | 39,700 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $2,951,080 | 44,000 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $557,550,964 | 8,312,971 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $1,028,960 | 16,000 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $1,472,699 | 22,900 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $226,809,858 | 3,526,821 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $246,026,920 | 3,575,453 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $167,489,358 | 3,022,728 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $111,251,807 | 671,851 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $86,422,547 | 489,175 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $15,356,635 | 110,194 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $7,239,775 | 59,052 | Shares | Sole | 2024-08-14 | |
| 2023-12-31 | $3,962,620 | 47,800 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $1,713,888 | 19,800 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,644,786 | 19,800 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,634,688 | 19,800 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $3,869,133 | 53,478 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $11,872,368 | 185,767 | Shares | Sole | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||