TWO SIGMA INVESTMENTS, LP
Position in IBKR — Interactive Brokers Group, Inc.
CIK 1179392
NEW YORK, NY
Position in IBKR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$557,550,964
+$330,741,106 QoQ
Shares Held
8,312,971
+135.7% QoQ
Ownership
1.87%
of shares outstanding
% of Portfolio
0.51%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2022
14 quarters on record
Voting authority
Sole 97.75411221812274.ToString("F0")%
Shared 0.ToString("F0")%
None 2.2458877818772613.ToString("F0")%
Common Shares in IBKR Over Time
Shares Held
Position Value (USD)
Derivatives in IBKR
reported options exposure · as of Mar 31, 2026CallValue
$2,951,080
CallShares
44,000
PutValue
$2,662,679
PutShares
39,700
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 Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $2,981,937,111 across 36 Capital Markets names. IBKR ranks #2 (18.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MS |
Morgan Stanley
|
3,739,612 | $615,427,946 | |
| 2 | IBKR |
Interactive Brokers Group, Inc.
This page
|
8,312,971 | $557,550,964 | |
| 3 | SCHW |
Schwab Charles Corp
|
5,360,299 | $503,760,900 | |
| 4 | GS |
Goldman Sachs Group Inc
|
365,728 | $309,402,230 | |
| 5 | HOOD |
Robinhood Markets, Inc.
|
2,803,439 | $194,278,322 | |
| 6 | JEF |
Jefferies Financial Group Inc.
|
2,825,053 | $116,589,937 | |
| 7 | WULF |
Terawulf Inc.
|
7,837,097 | $113,089,309 | |
| 8 | IREN |
IREN Ltd
|
2,864,882 | $98,208,154 |
All Filings in IBKR
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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 | $27,812,951 | 671,851 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $21,605,636 | 489,175 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $3,839,158 | 110,194 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,809,943 | 59,052 | Shares | Sole | 2024-08-14 | |
| 2023-12-31 | $990,655 | 47,800 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $428,472 | 19,800 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $411,196 | 19,800 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $408,672 | 19,800 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $967,283 | 53,478 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $2,968,092 | 185,767 | Shares | Sole | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||