HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in MARA — MARA Holdings, Inc.
CIK 1535845
TORONTO, A6
Position in MARA
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$46,598,588
+$40,791,908 QoQ
Shares Held
3,354,830
+955.0% QoQ
Ownership
0.868%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#16
of 414 holders
Holding Since
Sep 2025
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MARA Over Time
Shares Held
Position Value (USD)
Position in Capital Markets
Financial Services · as of Jun 30, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $2,071,275,937 across 28 Capital Markets names. MARA ranks #10 (2.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GS |
Goldman Sachs Group Inc
|
717,562 | $725,720,679 | |
| 2 | MS |
Morgan Stanley
|
1,876,903 | $392,347,803 | |
| 3 | SCHW |
Schwab Charles Corp
|
1,762,006 | $162,580,293 | |
| 4 | IREN |
IREN Ltd
|
3,045,900 | $139,289,007 | |
| 5 | IBKR |
Interactive Brokers Group, Inc.
|
1,001,651 | $87,183,703 | |
| 6 | HOOD |
Robinhood Markets, Inc.
|
846,465 | $84,883,510 | |
| 7 | RIOT |
Riot Platforms, Inc.
|
2,748,003 | $75,240,322 | |
| 8 | MRX |
Marex Group Ltd
|
1,043,286 | $63,588,281 |
All Filings in MARA
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $46,598,588 | 3,354,830 | Shares | Sole | 2026-08-13 | |
| 2025-09-30 | $5,806,680 | 318,000 | Shares | Sole | 2025-11-13 | |
| No filing history on record for this holder in this stock. | ||||||