Position in MGNI
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$15,712,141
-$4,933,520 QoQ
Shares Held
1,322,571
+4.0% QoQ
Ownership
0.923%
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 98.42639828031918.ToString("F0")%
Shared 1.5736017196808338.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Mar 31, 2026NORTHERN TRUST CORP holds $1,375,536,246 across 20 Advertising Agencies names. MGNI ranks #5 (1.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
2,407,191 | $958,062,018 | |
| 2 | OMC |
Omnicom Group Inc.
|
3,397,365 | $255,855,553 | |
| 3 | TTD |
Trade Desk, Inc.
|
3,918,343 | $88,907,198 | |
| 4 | ZD |
Ziff Davis, Inc.
|
484,833 | $20,343,588 | |
| 5 | MGNI |
Magnite, Inc.
This page
|
1,322,571 | $15,712,141 | |
| 6 | DV |
DoubleVerify Holdings, Inc.
|
1,059,652 | $10,066,693 | |
| 7 | QNST |
Quinstreet, Inc
|
627,835 | $7,540,295 | |
| 8 | STGW |
Stagwell Inc
|
1,133,086 | $7,127,108 |
All Filings in MGNI
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $15,712,141 | 1,322,571 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $20,645,661 | 1,272,068 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $29,730,917 | 1,365,056 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $32,317,685 | 1,339,871 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $17,923,704 | 1,570,877 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $26,403,875 | 1,658,535 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $22,676,672 | 1,637,305 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $21,453,660 | 1,614,271 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $14,380,778 | 1,337,747 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $12,668,035 | 1,356,321 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $10,192,954 | 1,351,851 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $18,388,677 | 1,347,156 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $11,414,199 | 1,232,635 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $12,964,699 | 1,224,240 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $7,864,544 | 1,197,039 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $10,785,521 | 1,214,586 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $16,379,024 | 1,239,896 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $22,548,032 | 1,288,459 | Shares | Defined | 2022-02-08 | |
| 2021-09-30 | $36,613,500 | 1,307,625 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $40,667,793 | 1,201,767 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $52,708,923 | 1,266,737 | Shares | Other | 2021-05-12 | |
| 2020-12-31 | $39,129,635 | 1,274,166 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $8,932,458 | 1,285,246 | Shares | Defined | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||