MKTX
Marketaxess Holdings IncCompany with tickers: MKTX
CIK
1278021
CUSIP
57060D108
Shares Outstanding
35,539,453
Website
https://www.marketaxess.com
Investor Relations
https://investor.marketaxess.com/overview/default.aspx
13F Activity (30d)
33 filings
6 filers
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this stock, matched by the stock's CUSIP. Each row is one fund position with its size, value and weight in that fund.
Funds holding MKTX
297 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | — | 2,125,028 | $350,587,119 | 0.38% | Long | 2026-03-31 | |
| VANGUARD CAPITAL OPPORTUNITY FUND | — | 1,833,050 | $302,416,589 | 1.23% | Long | 2026-03-31 | |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 1,128,001 | $186,097,605 | 0.01% | Long | 2026-03-31 | |
| VanEck Morningstar Wide Moat ETF | — | 842,296 | $138,961,994 | 1.20% | Long | 2026-03-31 | |
| VANGUARD SMALL-CAP INDEX FUND | — | 819,670 | $135,229,157 | 0.08% | Long | 2026-03-31 | |
| Neuberger Genesis Fund | — | 523,901 | $100,588,992 | 1.17% | Long | 2026-02-28 | |
| VANGUARD SMALL-CAP GROWTH INDEX FUND | — | 459,327 | $75,779,768 | 0.20% | Long | 2026-03-31 | |
| VANGUARD EXTENDED MARKET INDEX FUND | — | 414,880 | $68,446,902 | 0.08% | Long | 2026-03-31 | |
| Strategic Advisers Fidelity U.S. Total Stock Fund | — | 354,366 | $68,038,272 | 0.03% | Long | 2026-02-28 | |
| Fidelity Balanced Fund | — | 304,183 | $58,403,136 | 0.09% | Long | 2026-02-28 | |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF | — | 336,726 | $55,553,055 | 0.40% | Long | 2026-03-31 | |
| VANGUARD TAX-MANAGED SMALL-CAP FUND | — | 236,057 | $38,944,684 | 0.40% | Long | 2026-03-31 | |
| Fidelity Extended Market Index Fund | — | 194,355 | $37,316,160 | 0.09% | Long | 2026-02-28 | |
| JPMorgan Small Cap Equity Fund | — | 210,267 | $34,689,850 | 1.22% | Long | 2026-03-31 | |
| AQR Long-Short Equity Fund | — | 171,195 | $28,243,751 | 0.35% | Long | 2026-03-31 | |
| Strategic Advisers U.S. Total Stock Fund | — | 140,646 | $27,004,032 | 0.03% | Long | 2026-02-28 | |
| iShares S&P Small-Cap 600 Growth ETF | — | 161,948 | $26,718,181 | 0.41% | Long | 2026-03-31 | |
| iShares S&P Small-Cap 600 Value ETF | — | 155,637 | $25,676,992 | 0.34% | Long | 2026-03-31 | |
| VANGUARD S&P SMALL-CAP 600 INDEX FUND | — | 127,443 | $24,469,056 | 0.45% | Long | 2026-02-28 | |
| Janus Henderson Mid Cap Value Fund | — | 137,804 | $22,734,904 | 1.16% | Long | 2026-03-31 | |
| Fidelity U.S. Equity Central Fund | — | 136,747 | $22,560,520 | 0.11% | Long | 2026-03-31 | |
| iShares Russell Mid-Cap ETF | — | 131,156 | $21,638,117 | 0.04% | Long | 2026-03-31 | |
| U.S. SMALL CAP PORTFOLIO | — | 121,634 | $20,584,122 | 0.12% | Long | 2026-01-31 | |
| Schwab U.S. Mid-Cap ETF | — | 100,630 | $19,320,960 | 0.14% | Long | 2026-02-28 | |
| State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF | — | 105,886 | $17,469,072 | 0.44% | Long | 2026-03-31 | |
| AQR Equity Market Neutral Fund | — | 104,638 | $17,263,177 | 0.52% | Long | 2026-03-31 | |
| Blackstone Alternative Multi-Strategy Fund | — | 100,237 | $16,537,100 | 0.46% | Long | 2026-03-31 | |
| Champlain Small Company Fund | — | 96,000 | $15,838,080 | 1.54% | Long | 2026-03-31 | |
| State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF | — | 89,579 | $14,778,743 | 0.36% | Long | 2026-03-31 | |
| Select Brokerage and Investment Management Portfolio | — | 74,300 | $14,265,600 | 1.44% | Long | 2026-02-28 | |
| Fidelity Total Market Index Fund | — | 69,332 | $13,311,744 | 0.01% | Long | 2026-02-28 | |
| iShares Russell 1000 Value ETF | — | 80,108 | $13,216,218 | 0.02% | Long | 2026-03-31 | |
| VANGUARD FINANCIALS INDEX FUND | — | 62,425 | $11,985,600 | 0.09% | Long | 2026-02-28 | |
| Select Financials Portfolio | — | 62,200 | $11,942,400 | 1.22% | Long | 2026-02-28 | |
| Columbia Small Cap Index Fund | — | 59,168 | $11,360,256 | 0.45% | Long | 2026-02-28 | |
| Schwab Fundamental U.S. Small Company ETF | — | 56,324 | $10,814,208 | 0.11% | Long | 2026-02-28 | |
| Fidelity Series Total Market Index Fund | — | 55,000 | $10,560,000 | 0.01% | Long | 2026-02-28 | |
| iShares U.S. Broker-Dealers & Securities Exchanges ETF | — | 59,543 | $9,823,404 | 0.64% | Long | 2026-03-31 | |
| JNL Small Cap Index Fund | — | 57,550 | $9,494,599 | 0.40% | Long | 2026-03-31 | |
| iShares Russell Mid-Cap Value ETF | — | 53,545 | $8,833,854 | 0.06% | Long | 2026-03-31 | |
| Neuberger Berman Genesis Portfolio | — | 53,184 | $8,774,296 | 1.15% | Long | 2026-03-31 | |
| Bridge Builder Small/Mid Cap Growth Fund | — | 52,423 | $8,648,747 | 0.09% | Long | 2026-03-31 | |
| Victory RS Value Fund | — | 51,370 | $8,475,023 | 3.46% | Long | 2026-03-31 | |
| JNL/Morningstar Wide Moat Index Fund | — | 51,247 | $8,454,730 | 1.19% | Long | 2026-03-31 | |
| Goldman Sachs U.S. Tax-Managed Equity Fund | — | 48,191 | $7,950,551 | 0.19% | Long | 2026-03-31 | |
| Empower Mid Cap Value Fund | — | 46,095 | $7,604,753 | 0.77% | Long | 2026-03-31 | |
| Heartland Mid Cap Value Fund | — | 45,682 | $7,536,616 | 1.64% | Long | 2026-03-31 | |
| Schwab U.S. Large-Cap ETF | — | 38,841 | $7,457,472 | 0.01% | Long | 2026-02-28 | |
| iShares Core S&P Total U.S. Stock Market ETF | — | 44,668 | $7,369,327 | 0.01% | Long | 2026-03-31 | |
| Victory RS Large Cap Alpha Fund | — | 44,650 | $7,366,357 | 1.37% | Long | 2026-03-31 |
Showing 1–50 of 297 positions