Parallax Volatility Advisers, L.P.
Position in IBKR — Interactive Brokers Group, Inc.
CIK 1521001
San Francisco, CA
Position in IBKR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$311,951
+$311,884 QoQ
Shares Held
3,584
+358300.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#796
of 1,109 holders
Holding Since
Jun 2022
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IBKR Over Time
Shares Held
Position Value (USD)
Derivatives in IBKR
reported options exposure · as of Jun 30, 2026CallValue
$4,177,920
CallShares
48,000
PutValue
$2,611,200
PutShares
30,000
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, 2026Parallax Volatility Advisers, L.P. holds $62,296,832 across 12 Capital Markets names. IBKR ranks #9 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GS |
Goldman Sachs Group Inc
|
41,730 | $42,204,470 | |
| 2 | MS |
Morgan Stanley
|
37,093 | $7,753,920 | |
| 3 | IREN |
IREN Ltd
|
155,170 | $7,095,924 | |
| 4 | SCHW |
Schwab Charles Corp
|
21,871 | $2,018,037 | |
| 5 | PURR |
Hyperliquid Strategies Inc
|
120,185 | $945,855 | |
| 6 | CRCL |
Circle Internet Group, Inc.
|
12,745 | $798,219 | |
| 7 | XP |
XP Inc.
|
30,928 | $502,889 | |
| 8 | RIOT |
Riot Platforms, Inc.
|
16,636 | $455,493 |
All Filings in IBKR
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $311,951 | 3,584 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 | $2,611,200 | 30,000 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $4,177,920 | 48,000 | Call | Sole | 2026-08-14 | |
| 2026-03-31 | $67 | 1 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $4,560,760 | 68,000 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $3,353,500 | 50,000 | Put | Sole | 2026-05-15 | |
| 2025-12-31 | $1,800,680 | 28,000 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $6,628,560 | 103,072 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,926,680 | 28,000 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $6,822,924 | 99,156 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $3,856,536 | 69,600 | Call | Sole | 2025-08-14 | |
| 2025-06-30 | $4,236,371 | 76,455 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $2,881,320 | 52,000 | Put | Sole | 2025-08-14 | |
| 2025-03-31 | $1,771,813 | 10,700 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $1,854,608 | 11,200 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $298,393 | 1,802 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,201,356 | 6,800 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $1,448,694 | 8,200 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $710,736 | 5,100 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $441,360 | 3,600 | Call | Sole | 2024-08-14 | |
| 2022-06-30 | $385,070 | 7,000 | Call | Sole | 2022-08-17 | |
| No filing history on record for this holder in this stock. | ||||||