Position in MGNI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$3,656,722
-$1,335,739 QoQ
Shares Held
307,805
+0.1% QoQ
Ownership
0.215%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
23 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Derivatives in MGNI
reported options exposure · as of Mar 31, 2026CallValue
$3,306,204
CallShares
278,300
PutValue
$2,396,196
PutShares
201,700
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 Advertising Agencies
Communication Services · as of Mar 31, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $191,258,650 across 17 Advertising Agencies names. MGNI ranks #5 (1.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
270,539 | $107,674,522 | |
| 2 | TTD |
Trade Desk, Inc.
|
2,268,914 | $51,481,657 | |
| 3 | CCO |
Clear Channel Outdoor Holdings, Inc.
|
5,519,168 | $13,080,427 | |
| 4 | DV |
DoubleVerify Holdings, Inc.
|
811,844 | $7,712,518 | |
| 5 | MGNI |
Magnite, Inc.
This page
|
307,805 | $3,656,722 | |
| 6 | ZD |
Ziff Davis, Inc.
|
56,740 | $2,380,810 | |
| 7 | STGW |
Stagwell Inc
|
351,427 | $2,210,475 | |
| 8 | OMC |
Omnicom Group Inc.
|
18,725 | $1,410,179 |
All Filings in MGNI
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,306,204 | 278,300 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $2,396,196 | 201,700 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $3,656,722 | 307,805 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $4,263,621 | 262,700 | Put | Other | 2026-02-17 | |
| 2025-12-31 | $4,992,461 | 307,607 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $12,342,915 | 760,500 | Call | Other | 2026-02-17 | |
| 2025-09-30 | $26,290,638 | 1,207,100 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $13,350,812 | 612,985 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $4,393,026 | 201,700 | Put | Other | 2025-11-14 | |
| 2025-06-30 | $21,283,488 | 882,400 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $8,444,412 | 350,100 | Put | Other | 2025-08-14 | |
| 2025-06-30 | $8,792,511 | 364,532 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $4,536,616 | 397,600 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $6,638,338 | 581,800 | Call | Other | 2025-05-14 | |
| 2025-03-31 | $4,584,503 | 401,797 | Shares | Other | 2025-05-14 | |
| 2024-12-31 | $8,703,862 | 546,725 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $3,368,672 | 211,600 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $8,100,096 | 508,800 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $7,199,230 | 519,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $3,625,999 | 261,805 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $1,822,660 | 131,600 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $2,410,806 | 181,400 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $7,769,334 | 584,600 | Call | Defined | 2024-08-15 | |
| 2024-03-31 | $138,449 | 12,879 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $3,835,600 | 356,800 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $1,035,225 | 96,300 | Put | Defined | 2024-05-07 | |
| 2023-12-31 | $1,846,518 | 197,700 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $1,077,882 | 115,405 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $347,448 | 37,200 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $2,008,656 | 266,400 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $325,833 | 43,214 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $394,342 | 52,300 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $531,162 | 38,913 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $6,175,260 | 452,400 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $954,135 | 69,900 | Put | Defined | 2023-08-11 | |
| 2023-03-31 | $1,545,494 | 166,900 | Put | Defined | 2023-05-16 | |
| 2023-03-31 | $2,276,904 | 245,886 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $2,406,674 | 259,900 | Call | Defined | 2023-05-16 | |
| 2022-12-31 | $1,613,916 | 152,400 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $319,818 | 30,200 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $476,325 | 72,500 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $1,051,857 | 160,100 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $503,018 | 76,563 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $940,392 | 105,900 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $1,871,016 | 210,700 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $3,388,323 | 381,568 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $2,088,501 | 158,100 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $4,548,203 | 344,300 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $7,707,796 | 583,482 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $8,104,250 | 463,100 | Call | Defined | 2022-04-05 | |
| No filing history on record for this holder in this stock. | ||||||