Position in MGNI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$931,803
+$475,624 QoQ
Shares Held
49,094
+27.9% QoQ
Ownership
0.034%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#142
of 305 holders
Holding Since
Dec 2020
22 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 Jun 30, 2026CallValue
$949,000
CallShares
50,000
PutValue
$379,600
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 Jun 30, 2026HSBC HOLDINGS PLC holds $312,579,177 across 8 Advertising Agencies names. MGNI ranks #5 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
435,957 | $224,618,119 | |
| 2 | OMC |
Omnicom Group Inc.
|
920,054 | $67,007,526 | |
| 3 | TTD |
Trade Desk, Inc.
|
822,136 | $14,864,217 | |
| 4 | QNST |
Quinstreet, Inc
|
238,834 | $3,498,918 | |
| 5 | MGNI |
Magnite, Inc.
This page
|
49,094 | $931,803 | |
| 6 | DV |
DoubleVerify Holdings, Inc.
|
77,453 | $839,590 | |
| 7 | NEXN |
Nexxen International Ltd.
|
81,514 | $736,071 | |
| 8 | STGW |
Stagwell Inc
|
11,162 | $82,933 |
All Filings in MGNI
Export CSV
45 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $379,600 | 20,000 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $931,803 | 49,094 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $949,000 | 50,000 | Call | Defined | 2026-08-14 | |
| 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 | Sole | 2026-03-06 | |
| 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. | ||||||