Position in MGNI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$17,830,121
-$10,751,509 QoQ
Shares Held
1,500,852
-14.8% QoQ
Ownership
1.05%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
23 quarters on record
Voting authority
Sole 99.78938629525096.ToString("F0")%
Shared 0.ToString("F0")%
None 0.2106137047490359.ToString("F0")%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Derivatives in MGNI
reported options exposure · as of Dec 31, 2024CallValue
$1,811,696
CallShares
113,800
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 Mar 31, 2026GOLDMAN SACHS GROUP INC holds $1,658,781,692 across 18 Advertising Agencies names. MGNI ranks #7 (1.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
2,701,859 | $1,075,339,882 | |
| 2 | OMC |
Omnicom Group Inc.
|
3,590,553 | $270,404,545 | |
| 3 | TTD |
Trade Desk, Inc.
|
8,728,294 | $198,044,989 | |
| 4 | STGW |
Stagwell Inc
|
4,380,967 | $27,556,282 | |
| 5 | ZD |
Ziff Davis, Inc.
|
529,226 | $22,206,322 | |
| 6 | QNST |
Quinstreet, Inc
|
1,604,674 | $19,272,133 | |
| 7 | MGNI |
Magnite, Inc.
This page
|
1,500,852 | $17,830,121 | |
| 8 | DV |
DoubleVerify Holdings, Inc.
|
1,040,988 | $9,889,385 |
All Filings in MGNI
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $17,830,121 | 1,500,852 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $28,581,630 | 1,761,037 | Shares | Defined | 2026-03-25 | |
| 2025-09-30 | $51,954,860 | 2,385,439 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $46,199,447 | 1,915,400 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $10,574,787 | 926,800 | Shares | Defined | 2025-06-27 | |
| 2024-12-31 | $18,316,691 | 1,150,546 | Shares | Defined | 2025-02-11 | |
| 2024-12-31 | $1,811,696 | 113,800 | Call | Defined | 2025-02-11 | |
| 2024-09-30 | $13,600,187 | 981,963 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $12,877,531 | 968,964 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $12,877,542 | 1,197,911 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $8,054,787 | 862,397 | Shares | Defined | 2024-05-14 | |
| 2023-09-30 | $2,965,127 | 393,253 | Shares | Defined | 2024-05-15 | |
| 2023-06-30 | $8,310,433 | 608,823 | Shares | Defined | 2024-05-14 | |
| 2023-03-31 | $6,926,386 | 747,990 | Shares | Defined | 2024-05-14 | |
| 2022-12-31 | $7,682,705 | 725,468 | Shares | Defined | 2024-05-14 | |
| 2022-09-30 | $5,953,094 | 906,103 | Shares | Defined | 2024-05-14 | |
| 2022-06-30 | $10,430,712 | 1,174,630 | Shares | Defined | 2024-05-14 | |
| 2022-03-31 | $20,087,680 | 1,520,642 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $39,449,479 | 2,254,256 | Shares | Defined | 2022-02-17 | |
| 2021-09-30 | $35,642,880 | 1,272,960 | Shares | Defined | 2022-01-20 | |
| 2021-06-30 | $40,691,787 | 1,202,476 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $27,357,492 | 657,474 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $14,035,758 | 457,042 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $7,962,802 | 1,145,727 | Shares | Defined | 2020-11-13 | |
| No filing history on record for this holder in this stock. | ||||||