CANADA PENSION PLAN INVESTMENT BOARD
PensionPosition in MGNI — Magnite, Inc.
CIK 1283718
TORONTO ONTARIO, A6
Position in MGNI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$547,097
+$247,622 QoQ
Shares Held
46,052
+149.6% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
7 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, 2026CANADA PENSION PLAN INVESTMENT BOARD holds $359,823,317 across 6 Advertising Agencies names. MGNI ranks #6 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | APP |
AppLovin Corp
|
408,309 | $162,506,982 | |
| 2 | OMC |
Omnicom Group Inc.
|
1,999,483 | $150,581,064 | |
| 3 | TTD |
Trade Desk, Inc.
|
1,967,758 | $44,648,429 | |
| 4 | DV |
DoubleVerify Holdings, Inc.
|
89,892 | $853,974 | |
| 5 | QNST |
Quinstreet, Inc
|
57,100 | $685,771 | |
| 6 | MGNI |
Magnite, Inc.
This page
|
46,052 | $547,097 |
All Filings in MGNI
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $547,097 | 46,052 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $299,475 | 18,452 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $60,984 | 2,800 | Shares | Sole | 2025-11-13 | |
| 2022-12-31 | $57,037 | 5,386 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $35,386 | 5,386 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $47,827 | 5,386 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $6,940,349 | 525,386 | Shares | Sole | 2022-05-13 | |
| No filing history on record for this holder in this stock. | ||||||