Position in MGNI
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$241,295,693
+$102,804,648 QoQ
Shares Held
12,713,156
+9.1% QoQ
Ownership
8.86%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#1
of 305 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 96%
Shared 0%
None 4%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Jun 30, 2026BlackRock, Inc. holds $16,290,603,658 across 25 Advertising Agencies names. MGNI ranks #6 (1.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
24,040,619 | $12,386,448,116 | |
| 2 | OMC |
Omnicom Group Inc.
|
28,593,656 | $2,082,475,955 | |
| 3 | TTD |
Trade Desk, Inc.
|
32,668,268 | $590,642,275 | |
| 4 | ZD |
Ziff Davis, Inc.
|
5,770,828 | $302,218,256 | |
| 5 | DV |
DoubleVerify Holdings, Inc.
|
23,152,508 | $250,973,179 | |
| 6 | MGNI |
Magnite, Inc.
This page
|
12,713,156 | $241,295,693 | |
| 7 | QNST |
Quinstreet, Inc
|
10,976,422 | $160,804,573 | |
| 8 | EVC |
Entravision Communications Corp
|
6,001,540 | $78,260,077 |
All Filings in MGNI
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $241,295,693 | 12,713,156 | Shares | Sole | 2026-08-07 | |
| 2026-03-31 | $138,491,045 | 11,657,496 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $188,158,422 | 11,593,249 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $248,578,508 | 11,413,155 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $258,036,812 | 10,698,044 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $111,679,246 | 9,787,840 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $161,862,503 | 10,167,243 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $136,398,089 | 9,848,238 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||