# MARKETAXESS HLDGS INC COM

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.

## Summary

- Issuer: MARKETAXESS HLDGS INC
- Class: COM
- CUSIP: 57060D108
- Asset category: EC
- 13F holders: 441
- 13F value: $6.1B
- 13F period: 2026-06-30
- N-PORT fund positions: 32
- N-PORT value: $188.3M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 441 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $696.0M | 3,839,889 |
| BlackRock, Inc. | New York, NY | $672.3M | 4,075,154 |
| [PRIMECAP MANAGEMENT CO/CA/](https://search.stillhousedata.com/firm/105516) | PASADENA, CA | $552.2M | 3,347,125 |
| [AQR CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/111883) | Greenwich, CT | $442.8M | 2,683,745 |
| [North Reef Capital Management LP](https://search.stillhousedata.com/firm/311056) | 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](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $142.4M | 862,987 |
| [Burgundy Asset Management Ltd.](https://search.stillhousedata.com/firm/114317) | 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](https://search.stillhousedata.com/firm/137137) | New York, NY | $86.5M | 524,024 |

## Top fund holders (N-PORT)

_Showing 15 of 32 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $68.4M | 8.40% |
| [PRIMECAP Odyssey Growth Fund](https://search.stillhousedata.com/fund/S000005540) | PRIMECAP Odyssey Funds | $54.1M | 99.57% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $16.5M | 45.80% |
| [Victory RS Value Fund](https://search.stillhousedata.com/fund/S000053562) | Victory Portfolios | $8.5M | 345.93% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $5.7M | 18.73% |
| [VIP Balanced Portfolio](https://search.stillhousedata.com/fund/S000007730) | Variable Insurance Products Fund III | $5.7M | 7.04% |
| [ALPS | OShares U.S. Small-Cap Quality Dividend ETF](https://search.stillhousedata.com/fund/S000075798) | ALPS ETF TRUST | $3.6M | 41.61% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $3.6M | 0.98% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $3.3M | 0.56% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $2.9M | 34.37% |
| [AGF U.S. Market Neutral Anti-Beta Fund](https://search.stillhousedata.com/fund/S000033013) | AGF Investments Trust | $2.9M | 70.97% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $2.8M | 0.93% |
| [TIFF MULTI-ASSET FUND](https://search.stillhousedata.com/fund/S000006387) | TIFF Investment Program | $1.7M | 12.36% |
| [Janus Henderson Mid Cap Value Portfolio](https://search.stillhousedata.com/fund/S000010397) | JANUS ASPEN SERIES | $1.4M | 116.42% |
| [Fidelity Balanced K6 Fund](https://search.stillhousedata.com/fund/S000065701) | Fidelity Puritan Trust | $1.2M | 4.91% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/57060D108.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.