Position in MGNI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$809,667
-$3,881,222 QoQ
Shares Held
42,659
-89.2% QoQ
Ownership
0.030%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#149
of 306 holders
Holding Since
Mar 2021
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 Dec 31, 2021CallValue
$1,792,000
CallShares
102,400
PutValue
$1,701,000
PutShares
97,200
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 INVESTMENTS, LP holds $340,114,141 across 13 Advertising Agencies names. MGNI ranks #7 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TTD |
Trade Desk, Inc.
|
17,050,857 | $308,279,494 | |
| 2 | DV |
DoubleVerify Holdings, Inc.
|
1,458,525 | $15,810,411 | |
| 3 | EVC |
Entravision Communications Corp
|
412,441 | $5,378,230 | |
| 4 | CCO |
Clear Channel Outdoor Holdings, Inc.
|
1,907,187 | $4,615,392 | |
| 5 | QNST |
Quinstreet, Inc
|
101,734 | $1,490,403 | |
| 6 | CRTO |
Criteo S.A.
|
72,592 | $1,326,981 | |
| 7 | MGNI |
Magnite, Inc.
This page
|
42,659 | $809,667 | |
| 8 | ADV |
Advantage Solutions Inc.
|
15,003 | $648,729 |
All Filings in MGNI
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30 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $809,667 | 42,659 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $4,690,889 | 394,856 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $5,898,176 | 363,412 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $6,543,387 | 300,431 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $5,736,363 | 237,826 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $611,028 | 53,552 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,560,191 | 98,002 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,353,989 | 97,761 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,849,183 | 139,141 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $572,555 | 53,261 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $198,269 | 21,228 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $591,890 | 78,500 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $5,594,179 | 409,830 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,780,346 | 192,262 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,027,643 | 97,039 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $2,660,810 | 404,994 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,980,758 | 335,671 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $6,349,056 | 480,625 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $19,482,610 | 1,113,292 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $1,701,000 | 97,200 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $1,792,000 | 102,400 | Call | Sole | 2022-02-14 | |
| 2021-09-30 | $1,948,800 | 69,600 | Call | Sole | 2021-11-15 | |
| 2021-09-30 | $23,900,688 | 853,596 | Shares | Sole | 2021-11-15 | |
| 2021-09-30 | $1,215,200 | 43,400 | Put | Sole | 2021-11-15 | |
| 2021-06-30 | $21,908,083 | 647,402 | Shares | Sole | 2021-08-16 | |
| 2021-06-30 | $1,817,208 | 53,700 | Put | Sole | 2021-08-16 | |
| 2021-06-30 | $1,566,792 | 46,300 | Call | Sole | 2021-08-16 | |
| 2021-03-31 | $6,488,788 | 155,943 | Shares | Sole | 2021-05-17 | |
| 2021-03-31 | $2,101,305 | 50,500 | Put | Sole | 2021-05-17 | |
| 2021-03-31 | $1,697,688 | 40,800 | Call | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||