Position in MGNI
as of Jun 30, 2026
· filed Aug 4, 2026
Position Value
$95,162,587
+$39,090,616 QoQ
Shares Held
5,013,835
+6.2% QoQ
Ownership
3.50%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#7
of 306 holders
Holding Since
Jun 2024
9 quarters on record
Voting authority
Sole 91%
Shared 0%
None 9%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Jun 30, 2026Boston Partners holds $213,898,434 across 4 Advertising Agencies names. MGNI ranks #1 (44.5% of the industry book) .
All Filings in MGNI
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9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $95,162,587 | 5,013,835 | Shares | Defined | 2026-08-04 | |
| 2026-03-31 | $56,071,971 | 4,719,863 | Shares | Defined | 2026-05-11 | |
| 2025-12-31 | $66,687,331 | 4,108,893 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $96,899,306 | 4,449,004 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $134,459,447 | 5,574,604 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $60,203,221 | 5,276,356 | Shares | Other | 2025-05-13 | |
| 2024-12-31 | $75,720,660 | 4,756,323 | Shares | Other | 2025-02-11 | |
| 2024-09-30 | $47,365,128 | 3,419,865 | Shares | Other | 2024-11-12 | |
| 2024-06-30 | $28,021,592 | 2,108,472 | Shares | Defined | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||