Position in MGNI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$400,421
+$257,493 QoQ
Shares Held
21,097
+75.4% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#180
of 305 holders
Holding Since
Dec 2020
9 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, 2021CallValue
$280,872
CallShares
8,300
PutValue
$0
PutShares
0
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, 2026TWO SIGMA SECURITIES, LLC holds $2,356,599 across 9 Advertising Agencies names. MGNI ranks #3 (17.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | OMC |
Omnicom Group Inc.
|
14,574 | $1,061,424 | |
| 2 | APP |
AppLovin Corp
|
780 | $401,879 | |
| 3 | MGNI |
Magnite, Inc.
This page
|
21,097 | $400,421 | |
| 4 | DV |
DoubleVerify Holdings, Inc.
|
23,368 | $253,309 | |
| 5 | EVC |
Entravision Communications Corp
|
10,584 | $138,015 | |
| 6 | NCMI |
National CineMedia, Inc.
|
12,964 | $49,263 | |
| 7 | CCO |
Clear Channel Outdoor Holdings, Inc.
|
17,115 | $41,418 | |
| 8 | YDKG |
Yueda Digital Holding
|
12,789 | $10,870 |
All Filings in MGNI
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $400,421 | 21,097 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $142,928 | 12,031 | Shares | Sole | 2026-05-15 | |
| 2025-06-30 | $291,128 | 12,070 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $281,313 | 24,655 | Shares | Sole | 2025-05-15 | |
| 2022-12-31 | $487,997 | 46,081 | Shares | Sole | 2023-02-14 | |
| 2022-06-30 | $140,250 | 15,794 | Shares | Sole | 2022-08-15 | |
| 2021-09-30 | $470,820 | 16,815 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $280,872 | 8,300 | Call | Sole | 2021-08-16 | |
| 2020-12-31 | $304,029 | 9,900 | Call | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||