Position in MGNI
as of Mar 31, 2026
· filed Apr 30, 2026
Position Value
$456,179
-$400,504 QoQ
Shares Held
38,399
-27.3% QoQ
Ownership
0.027%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
21 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
$594,000
CallShares
50,000
PutValue
$237,600
PutShares
20,000
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, 2026HSBC HOLDINGS PLC holds $240,749,435 across 9 Advertising Agencies names. MGNI ranks #7 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
402,491 | $160,191,418 | |
| 2 | OMC |
Omnicom Group Inc.
|
693,921 | $52,259,185 | |
| 3 | TTD |
Trade Desk, Inc.
|
1,083,635 | $24,587,677 | |
| 4 | QNST |
Quinstreet, Inc
|
124,086 | $1,490,272 | |
| 5 | DV |
DoubleVerify Holdings, Inc.
|
76,284 | $724,697 | |
| 6 | NEXN |
Nexxen International Ltd.
|
107,868 | $703,299 | |
| 7 | MGNI |
Magnite, Inc.
This page
|
38,399 | $456,179 | |
| 8 | EVC |
Entravision Communications Corp
|
67,207 | $199,604 |
All Filings in MGNI
Export CSV
42 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $594,000 | 50,000 | Call | Defined | 2026-04-30 | |
| 2026-03-31 | $237,600 | 20,000 | Put | Defined | 2026-04-30 | |
| 2026-03-31 | $456,179 | 38,399 | Shares | Defined | 2026-04-30 | |
| 2025-12-31 | $811,500 | 50,000 | Call | Defined | 2026-03-20 | |
| 2025-12-31 | $856,683 | 52,784 | Shares | Defined | 2026-03-20 | |
| 2025-12-31 | $324,600 | 20,000 | Put | Defined | 2026-03-20 | |
| 2025-09-30 | $1,089,000 | 50,000 | Call | Defined | 2025-11-13 | |
| 2025-09-30 | $921,925 | 42,329 | Shares | Sole | 2025-11-13 | |
| 2025-09-30 | $435,600 | 20,000 | Put | Defined | 2025-11-13 | |
| 2025-06-30 | $435,124 | 18,040 | Shares | Defined | 2025-08-13 | |
| 2025-06-30 | $482,400 | 20,000 | Put | Defined | 2025-08-13 | |
| 2025-06-30 | $1,206,000 | 50,000 | Call | Defined | 2025-08-13 | |
| 2025-03-31 | $228,200 | 20,000 | Put | Defined | 2025-05-14 | |
| 2025-03-31 | $570,500 | 50,000 | Call | Defined | 2025-05-14 | |
| 2025-03-31 | $258,698 | 22,673 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $159,200 | 10,000 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $1,078,086 | 67,719 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $740,601 | 53,473 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $138,500 | 10,000 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $132,900 | 10,000 | Call | Defined | 2024-08-12 | |
| 2024-06-30 | $781,172 | 58,779 | Shares | Defined | 2024-08-12 | |
| 2024-03-31 | $412,649 | 38,386 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $107,500 | 10,000 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $525,842 | 56,300 | Call | Defined | 2024-02-12 | |
| 2023-12-31 | $306,893 | 32,858 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $424,502 | 56,300 | Call | Defined | 2023-11-13 | |
| 2023-09-30 | $350,760 | 46,520 | Shares | Defined | 2023-11-13 | |
| 2023-09-30 | $159,094 | 21,100 | Put | Defined | 2023-11-13 | |
| 2023-06-30 | $204,750 | 15,000 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $682,950 | 50,033 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $628,855 | 67,911 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $138,900 | 15,000 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $1,002,989 | 94,711 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $158,850 | 15,000 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $317,700 | 30,000 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $634,077 | 96,511 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $1,097,443 | 123,586 | Shares | Defined | 2022-08-11 | |
| 2022-03-31 | $1,827,009 | 138,305 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $2,208,150 | 126,180 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $4,467,428 | 159,551 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $4,633,948 | 136,937 | Shares | Defined | 2021-08-13 | |
| 2020-12-31 | $282,378 | 9,195 | Shares | Defined | 2021-02-25 | |
| No filing history on record for this holder in this stock. | ||||||