Position in MGNI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,651,509
+$617,160 QoQ
Shares Held
223,191
+78.1% QoQ
Ownership
0.156%
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 63.50838519474351.ToString("F0")%
Shared 0.ToString("F0")%
None 36.49161480525648.ToString("F0")%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Mar 31, 2026ALLIANCEBERNSTEIN L.P. holds $799,873,396 across 11 Advertising Agencies names. MGNI ranks #4 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
1,880,716 | $748,524,968 | |
| 2 | OMC |
Omnicom Group Inc.
|
447,832 | $33,726,227 | |
| 3 | TTD |
Trade Desk, Inc.
|
449,228 | $10,192,983 | |
| 4 | MGNI |
Magnite, Inc.
This page
|
223,191 | $2,651,509 | |
| 5 | ZD |
Ziff Davis, Inc.
|
50,862 | $2,134,169 | |
| 6 | DV |
DoubleVerify Holdings, Inc.
|
98,446 | $935,237 | |
| 7 | STGW |
Stagwell Inc
|
107,280 | $674,791 | |
| 8 | QNST |
Quinstreet, Inc
|
53,195 | $638,871 |
All Filings in MGNI
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,651,509 | 223,191 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $2,034,349 | 125,345 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $3,150,368 | 144,645 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $3,303,113 | 136,945 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,559,119 | 136,645 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $2,175,388 | 136,645 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,892,533 | 136,645 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,816,331 | 136,669 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,499,743 | 139,511 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $1,187,590 | 127,151 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $958,718 | 127,151 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,777,926 | 130,251 | Shares | Defined | 2023-08-15 | |
| 2023-03-31 | $1,206,124 | 130,251 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $1,379,358 | 130,251 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $855,749 | 130,251 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $1,395,358 | 157,135 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,686,269 | 127,651 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $2,226,892 | 127,251 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $3,621,828 | 129,351 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $4,871,301 | 143,951 | Shares | Defined | 2021-07-30 | |
| 2021-03-31 | $6,159,986 | 148,041 | Shares | Defined | 2021-05-06 | |
| 2020-12-31 | $3,947,187 | 128,531 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $836,439 | 120,351 | Shares | Defined | 2020-11-12 | |
| No filing history on record for this holder in this stock. | ||||||