MARKETAXESS HLDGS INC COM is a security (CUSIP 57060D108) tracked across SEC portfolio filings. 441 institutional managers reported $6.1B on Form 13F as of 2026-06-30; 32 registered fund positions totaling $188.3M via N-PORT as of 2026-05-31.
Showing 15 of 441 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $696.0M | 3,839,889 |
| BlackRock, Inc. | New York, NY | $672.3M | 4,075,154 |
| PRIMECAP MANAGEMENT CO/CA/ | PASADENA, CA | $552.2M | 3,347,125 |
| AQR CAPITAL MANAGEMENT LLC | Greenwich, CT | $442.8M | 2,683,745 |
| North Reef Capital Management LP | Laguna Beach, CA | $309.3M | 1,875,000 |
| FMR LLC | BOSTON, MA | $250.7M | 1,519,421 |
| STATE STREET CORP | BOSTON, MA | $211.3M | 1,280,857 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $198.9M | 1,087,188 |
| BANK OF MONTREAL /CAN/ | TORONTO, A6 | $168.4M | 1,020,559 |
| NEUBERGER BERMAN GROUP LLC | NEW YORK, NY | $159.4M | 966,029 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $142.4M | 862,987 |
| Burgundy Asset Management Ltd. | Toronto, A6 | $127.3M | 692,216 |
| CITIGROUP INC | NEW YORK, NY | $120.8M | 64,762 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $95.9M | 581,484 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $86.5M | 524,024 |
Showing 15 of 32 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $68.4M | 8.40% |
| PRIMECAP Odyssey Growth Fund | PRIMECAP Odyssey Funds | $54.1M | 99.57% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $16.5M | 45.80% |
| Victory RS Value Fund | Victory Portfolios | $8.5M | 345.93% |
| Bridge Builder Tax Managed Small/Mid Cap Fund | Bridge Builder Trust | $5.7M | 18.73% |
| VIP Balanced Portfolio | Variable Insurance Products Fund III | $5.7M | 7.04% |
| ALPS | OShares U.S. Small-Cap Quality Dividend ETF | ALPS ETF TRUST | $3.6M | 41.61% |
| Large Cap Index Master Portfolio | Master Investment Portfolio | $3.6M | 0.98% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $3.3M | 0.56% |
| BNY Mellon Smallcap Stock Index Fund | BNY MELLON INDEX FUNDS, INC. | $2.9M | 34.37% |
| AGF U.S. Market Neutral Anti-Beta Fund | AGF Investments Trust | $2.9M | 70.97% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $2.8M | 0.93% |
| TIFF MULTI-ASSET FUND | TIFF Investment Program | $1.7M | 12.36% |
| Janus Henderson Mid Cap Value Portfolio | JANUS ASPEN SERIES | $1.4M | 116.42% |
| Fidelity Balanced K6 Fund | Fidelity Puritan Trust | $1.2M | 4.91% |