Position in MGNI
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$90,680
-$324,110 QoQ
Shares Held
7,633
-70.1% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
14 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Derivatives in MGNI
reported options exposure · as of Mar 31, 2026CallValue
$693,792
CallShares
58,400
PutValue
$463,320
PutShares
39,000
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 Advertising Agencies
Communication Services · as of Mar 31, 2026Walleye Capital LLC holds $4,114,457 across 4 Advertising Agencies names. MGNI ranks #4 (2.2% of the industry book) .
All Filings in MGNI
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31 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $90,680 | 7,633 | Shares | Sole | 2026-05-13 | |
| 2026-03-31 | $463,320 | 39,000 | Put | Sole | 2026-05-13 | |
| 2026-03-31 | $693,792 | 58,400 | Call | Sole | 2026-05-13 | |
| 2025-12-31 | $414,790 | 25,557 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $1,011,129 | 62,300 | Put | Sole | 2026-02-13 | |
| 2025-12-31 | $921,864 | 56,800 | Call | Sole | 2026-02-13 | |
| 2025-09-30 | $1,402,632 | 64,400 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $1,173,942 | 53,900 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $74,772 | 3,100 | Put | Sole | 2025-08-13 | |
| 2025-06-30 | $137,484 | 5,700 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $626,348 | 25,968 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $322,903 | 28,300 | Put | Sole | 2025-05-14 | |
| 2025-03-31 | $397,068 | 34,800 | Call | Sole | 2025-05-14 | |
| 2024-12-31 | $380,488 | 23,900 | Put | Sole | 2025-02-13 | |
| 2024-12-31 | $577,896 | 36,300 | Call | Sole | 2025-02-13 | |
| 2024-12-31 | $606,074 | 38,070 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $1,100,978 | 79,493 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $270,075 | 19,500 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $649,565 | 46,900 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $43,857 | 3,300 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $835,701 | 62,882 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $77,082 | 5,800 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $132,225 | 12,300 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $192,404 | 20,600 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $190,038 | 25,204 | Shares | Sole | 2023-11-21 | |
| 2023-09-30 | $754 | 100 | Put | Sole | 2023-11-21 | |
| 2023-09-30 | $116,870 | 15,500 | Call | Sole | 2023-11-21 | |
| 2023-03-31 | $107,490 | 11,608 | Shares | Sole | 2023-05-15 | |
| 2022-09-30 | $1,557,871 | 237,119 | Shares | Sole | 2022-11-14 | |
| 2022-09-30 | $2,628 | 400 | Call | Sole | 2022-11-14 | |
| 2022-06-30 | $734,660 | 82,732 | Shares | Sole | 2022-08-19 | |
| No filing history on record for this holder in this stock. | ||||||