Position in MGNI
as of Mar 31, 2026
· filed May 7, 2026
Position Value
$47,326,045
-$11,358,711 QoQ
Shares Held
3,983,674
+10.2% QoQ
Ownership
2.78%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
23 quarters on record
Voting authority
Sole 88.95351376643772.ToString("F0")%
Shared 8.255971748692287.ToString("F0")%
None 2.790514484869997.ToString("F0")%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Mar 31, 2026DIMENSIONAL FUND ADVISORS LP holds $1,090,601,762 across 16 Advertising Agencies names. MGNI ranks #4 (4.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
1,324,244 | $527,049,112 | |
| 2 | OMC |
Omnicom Group Inc.
|
3,978,658 | $299,632,732 | |
| 3 | ZD |
Ziff Davis, Inc.
|
2,071,548 | $86,922,151 | |
| 4 | MGNI |
Magnite, Inc.
This page
|
3,983,674 | $47,326,045 | |
| 5 | DV |
DoubleVerify Holdings, Inc.
|
4,333,555 | $41,168,772 | |
| 6 | STGW |
Stagwell Inc
|
5,035,320 | $31,672,161 | |
| 7 | TTD |
Trade Desk, Inc.
|
710,982 | $16,132,179 | |
| 8 | QNST |
Quinstreet, Inc
|
1,200,335 | $14,416,021 |
All Filings in MGNI
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $47,326,045 | 3,983,674 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $58,684,756 | 3,615,820 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $77,694,789 | 3,567,254 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $118,232,209 | 4,901,833 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $60,263,635 | 5,281,651 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $87,952,314 | 5,524,643 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $74,154,436 | 5,354,111 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $71,682,868 | 5,393,745 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $58,571,620 | 5,448,523 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $50,802,686 | 5,439,260 | Shares | Sole | 2024-02-07 | |
| 2023-09-30 | $42,885,769 | 5,687,768 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $67,399,875 | 4,937,720 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $39,088,596 | 4,221,231 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $19,245,489 | 1,817,327 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $9,139,795 | 1,391,141 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $10,550,210 | 1,188,087 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $4,731,201 | 358,153 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $6,637,312 | 379,275 | Shares | Sole | 2022-02-09 | |
| 2021-09-30 | $10,638,600 | 379,950 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $41,857,677 | 1,236,929 | Shares | Defined | 2021-08-12 | |
| 2021-03-31 | $49,298,903 | 1,184,785 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $38,160,675 | 1,242,614 | Shares | Defined | 2021-03-08 | |
| 2020-09-30 | $8,913,242 | 1,282,481 | Shares | Defined | 2020-11-12 | |
| No filing history on record for this holder in this stock. | ||||||