Position in MGNI
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$99,837,303
+$52,511,258 QoQ
Shares Held
5,260,132
+32.0% QoQ
Ownership
3.67%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#6
of 306 holders
Holding Since
Sep 2020
24 quarters on record
Voting authority
Sole 92%
Shared 6%
None 2%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Jun 30, 2026DIMENSIONAL FUND ADVISORS LP holds $1,336,840,931 across 18 Advertising Agencies names. MGNI ranks #4 (7.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
1,276,551 | $657,717,369 | |
| 2 | OMC |
Omnicom Group Inc.
|
3,986,507 | $290,337,302 | |
| 3 | ZD |
Ziff Davis, Inc.
|
2,254,978 | $118,093,195 | |
| 4 | MGNI |
Magnite, Inc.
This page
|
5,260,132 | $99,837,303 | |
| 5 | DV |
DoubleVerify Holdings, Inc.
|
5,395,095 | $58,482,827 | |
| 6 | STGW |
Stagwell Inc
|
6,170,065 | $45,843,580 | |
| 7 | QNST |
Quinstreet, Inc
|
1,390,499 | $20,370,808 | |
| 8 | EVC |
Entravision Communications Corp
|
906,214 | $11,817,030 |
All Filings in MGNI
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $99,837,303 | 5,260,132 | Shares | Sole | 2026-08-11 | |
| 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. | ||||||