Position in MGNI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,203,383
-$1,360,059 QoQ
Shares Held
185,470
-15.5% QoQ
Ownership
0.130%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
20 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MGNI Over Time
Shares Held
Position Value (USD)
Position in Advertising Agencies
Communication Services · as of Mar 31, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $91,197,307 across 9 Advertising Agencies names. MGNI ranks #4 (2.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
137,907 | $54,886,986 | |
| 2 | OMC |
Omnicom Group Inc.
|
284,047 | $21,391,579 | |
| 3 | TTD |
Trade Desk, Inc.
|
411,178 | $9,329,628 | |
| 4 | MGNI |
Magnite, Inc.
This page
|
185,470 | $2,203,383 | |
| 5 | ZD |
Ziff Davis, Inc.
|
42,284 | $1,774,236 | |
| 6 | DV |
DoubleVerify Holdings, Inc.
|
129,460 | $1,229,870 | |
| 7 | STGW |
Stagwell Inc
|
31,108 | $195,669 | |
| 8 | NCMI |
National CineMedia, Inc.
|
44,360 | $135,298 |
All Filings in MGNI
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,203,383 | 185,470 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $3,563,442 | 219,559 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $4,506,390 | 206,905 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $4,486,175 | 185,994 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,666,300 | 233,681 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,143,979 | 71,858 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $423,823 | 30,601 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $137,352 | 10,335 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $109,123 | 10,151 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $103,113 | 11,040 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $986,149 | 130,789 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,815,436 | 132,999 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $989,384 | 106,845 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,258,261 | 118,816 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $1,442,417 | 219,546 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,864,897 | 210,011 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,990,747 | 150,700 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $1,925,000 | 110,000 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $3,388,000 | 121,000 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $3,722,400 | 110,000 | Shares | Sole | 2021-08-12 | |
| No filing history on record for this holder in this stock. | ||||||