Position in MGNI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$53,548,135
-$55,211,918 QoQ
Shares Held
4,507,419
-32.7% QoQ
Ownership
3.15%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
22 quarters on record
Voting authority
Sole 99.82262576432322.ToString("F0")%
Shared 0.ToString("F0")%
None 0.1773742356767809.ToString("F0")%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Mar 31, 2026FMR LLC holds $6,819,866,011 across 16 Advertising Agencies names. MGNI ranks #4 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
15,691,414 | $6,245,182,772 | |
| 2 | OMC |
Omnicom Group Inc.
|
6,008,267 | $452,482,585 | |
| 3 | TTD |
Trade Desk, Inc.
|
2,679,216 | $60,791,408 | |
| 4 | MGNI |
Magnite, Inc.
This page
|
4,507,419 | $53,548,135 | |
| 5 | DV |
DoubleVerify Holdings, Inc.
|
383,606 | $3,644,256 | |
| 6 | CRTO |
Criteo S.A.
|
88,876 | $1,593,546 | |
| 7 | WPP |
WPP plc
|
74,683 | $1,161,320 | |
| 8 | QNST |
Quinstreet, Inc
|
36,237 | $435,205 |
All Filings in MGNI
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $53,548,135 | 4,507,419 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $108,760,053 | 6,701,174 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $373,331,283 | 17,141,014 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $414,524,847 | 17,185,939 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $110,496,697 | 9,684,198 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $25,707,248 | 1,614,777 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $52,110,195 | 3,762,469 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $73,156,026 | 5,504,592 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $81,155,210 | 7,549,322 | Shares | Defined | 2024-05-13 | |
| 2023-12-31 | $65,058,021 | 6,965,527 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $33,178,351 | 4,400,312 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $99,934,132 | 7,321,182 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $63,013,539 | 6,804,918 | Shares | Defined | 2023-08-11 | |
| 2022-12-31 | $64,911,733 | 6,129,531 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $37,701,214 | 5,738,389 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $50,931,372 | 5,735,515 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $131,802,153 | 9,977,453 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $170,275,034 | 9,730,002 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $249,882,136 | 8,924,362 | Shares | Defined | 2022-02-14 | |
| 2021-06-30 | $221,426,759 | 6,543,344 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $160,316,672 | 3,852,840 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $4,100,767 | 133,532 | Shares | Defined | 2021-02-08 | |
| No filing history on record for this holder in this stock. | ||||||