Position in MGNI
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$56,809
-$79,555 QoQ
Shares Held
4,782
-43.1% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
12 quarters on record
Voting authority
Sole 47.30238393977415.ToString("F0")%
Shared 0.ToString("F0")%
None 52.69761606022585.ToString("F0")%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Mar 31, 2026Rockefeller Capital Management L.P. holds $24,892,714 across 13 Advertising Agencies names. MGNI ranks #6 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
30,137 | $11,994,526 | |
| 2 | DV |
DoubleVerify Holdings, Inc.
|
849,113 | $8,066,572 | |
| 3 | OMC |
Omnicom Group Inc.
|
49,119 | $3,699,150 | |
| 4 | TTD |
Trade Desk, Inc.
|
38,277 | $868,504 | |
| 5 | ZD |
Ziff Davis, Inc.
|
1,989 | $83,457 | |
| 6 | MGNI |
Magnite, Inc.
This page
|
4,782 | $56,809 | |
| 7 | EVC |
Entravision Communications Corp
|
16,259 | $48,289 | |
| 8 | STGW |
Stagwell Inc
|
5,128 | $32,254 |
All Filings in MGNI
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $56,809 | 4,782 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $136,364 | 8,402 | Shares | Defined | 2026-03-17 | |
| 2025-09-30 | $27,573 | 1,266 | Shares | Defined | 2025-11-14 | |
| 2022-12-31 | $32,373 | 3,057 | Shares | Defined | 2023-03-06 | |
| 2022-09-30 | $14,032 | 2,136 | Shares | Defined | 2022-11-02 | |
| 2022-06-30 | $19,526 | 2,199 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $30,052 | 2,275 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $41,755 | 2,386 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $71,680 | 2,560 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $86,629 | 2,560 | Shares | Defined | 2021-08-10 | |
| 2021-03-31 | $99,863 | 2,400 | Shares | Defined | 2021-05-11 | |
| 2020-12-31 | $67,899 | 2,211 | Shares | Defined | 2021-02-12 | |
| No filing history on record for this holder in this stock. | ||||||