Position in MGNI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$37,578,091
-$13,416,422 QoQ
Shares Held
3,163,139
+0.7% QoQ
Ownership
2.21%
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 24.91060304336926.ToString("F0")%
Shared 0.028452748993958214.ToString("F0")%
None 75.06094420763678.ToString("F0")%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Mar 31, 2026STATE STREET CORP holds $8,004,277,532 across 21 Advertising Agencies names. MGNI ranks #6 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
11,767,329 | $4,683,396,942 | |
| 2 | OMC |
Omnicom Group Inc.
|
27,760,218 | $2,090,622,017 | |
| 3 | TTD |
Trade Desk, Inc.
|
44,933,369 | $1,019,538,142 | |
| 4 | ZD |
Ziff Davis, Inc.
|
1,680,669 | $70,520,871 | |
| 5 | DV |
DoubleVerify Holdings, Inc.
|
4,361,123 | $41,430,668 | |
| 6 | MGNI |
Magnite, Inc.
This page
|
3,163,139 | $37,578,091 | |
| 7 | QNST |
Quinstreet, Inc
|
2,169,083 | $26,050,686 | |
| 8 | STGW |
Stagwell Inc
|
2,298,434 | $14,457,149 |
All Filings in MGNI
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $37,578,091 | 3,163,139 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $50,994,513 | 3,141,991 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $68,101,486 | 3,126,790 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $73,653,000 | 3,053,607 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $33,123,914 | 2,903,060 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $46,838,709 | 2,942,130 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $42,292,415 | 3,053,604 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $41,477,425 | 3,120,950 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $32,732,266 | 3,044,862 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $27,701,730 | 2,965,924 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $21,122,442 | 2,801,385 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $37,672,061 | 2,759,858 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $25,290,708 | 2,731,178 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $28,399,944 | 2,681,770 | Shares | Defined | 2023-05-15 | |
| 2022-09-30 | $17,972,583 | 2,735,553 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $24,076,805 | 2,711,352 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $35,554,688 | 2,691,498 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $45,830,505 | 2,618,886 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $66,804,108 | 2,385,861 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $72,035,004 | 2,128,694 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $94,251,185 | 2,265,109 | Shares | Defined | 2021-07-09 | |
| 2020-12-31 | $78,207,191 | 2,546,636 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $19,657,915 | 2,828,477 | Shares | Defined | 2020-11-10 | |
| No filing history on record for this holder in this stock. | ||||||