HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in MKTX — Marketaxess Holdings Inc
CIK 1535845
TORONTO, A6
Position in MKTX
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$24,025,707
+$18,462,420 QoQ
Shares Held
145,628
+374.5% QoQ
Ownership
0.410%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
17 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MKTX Over Time
Shares Held
Position Value (USD)
Position in Capital Markets
Financial Services · as of Mar 31, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $914,656,031 across 23 Capital Markets names. MKTX ranks #7 (2.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SCHW |
Schwab Charles Corp
|
2,786,512 | $261,876,397 | |
| 2 | MS |
Morgan Stanley
|
1,562,523 | $257,144,410 | |
| 3 | GS |
Goldman Sachs Group Inc
|
182,438 | $154,340,723 | |
| 4 | FUTU |
Futu Holdings Ltd
|
287,000 | $39,250,120 | |
| 5 | MRX |
Marex Group Ltd
|
729,000 | $32,498,820 | |
| 6 | HOOD |
Robinhood Markets, Inc.
|
361,741 | $25,068,651 | |
| 7 | MKTX |
Marketaxess Holdings Inc
This page
|
145,628 | $24,025,707 | |
| 8 | IBKR |
Interactive Brokers Group, Inc.
|
262,984 | $17,638,336 |
All Filings in MKTX
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $24,025,707 | 145,628 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $5,563,287 | 30,694 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $14,838,781 | 85,158 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $3,550,212 | 15,896 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $1,438,727 | 6,650 | Shares | Sole | 2025-05-14 | |
| 2023-12-31 | $1,464 | 5 | Shares | Sole | 2024-03-21 | |
| 2023-03-31 | $396,768 | 1,014 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $3,735,452 | 13,394 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $163,307 | 734 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,618,957 | 14,136 | Shares | Sole | 2022-08-11 | |
| 2021-12-31 | $2,292,007 | 5,573 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $30,710 | 73 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $3,311,886 | 7,144 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $478,003 | 960 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $7,207,313 | 12,632 | Shares | Sole | 2021-03-01 | |
| 2020-09-30 | $10,123,503 | 21,021 | Shares | Sole | 2021-03-01 | |
| 2020-06-30 | $16,918,072 | 33,774 | Shares | Sole | 2021-03-01 | |
| No filing history on record for this holder in this stock. | ||||||