MarketAxess Ownership | Who Owns MarketAxess?
MarketAxess Ownership Summary
MarketAxess is owned by 63.06% institutional investors, 2.34% insiders, and 34.60% retail investors. Lombard odier asset management (europe) is the largest institutional shareholder, holding 12.40% of MKTX shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.31% of its assets in MarketAxess shares.
MKTX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | MarketAxess | 63.06% | 2.34% | 34.60% |
| Sector | Financial Services Stocks | 32.19% | 15.44% | 52.37% |
| Industry | Capital Markets Stocks | 28.28% | 14.21% | 57.51% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Lombard odier asset management (europe) | 4.61M | 12.40% | $6.91M |
| Vanguard group | 3.84M | 10.37% | $695.98M |
| Blackrock funding, inc. /de | 3.75M | 10.18% | $679.05M |
| Primecap management co/ca/ | 3.18M | 8.63% | $575.55M |
| Blackrock | 2.95M | 7.82% | $591.45M |
| Fmr | 2.14M | 5.76% | $373.58M |
| Van eck associates | 1.95M | 5.24% | $339.55M |
| Hsbc | 1.80M | 4.83% | $315.45M |
| T. rowe price investment management | 1.37M | 3.68% | $238.84M |
| State street | 1.32M | 3.55% | $230.12M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| North reef capital management lp | 911.36K | 7.43% | $158.80M |
| Source financial advisors | 115.36K | 7.11% | $23.13M |
| Guardcap asset management | 1.15M | 5.58% | $208.98M |
| Rdst capital | 281.55K | 4.62% | $49.06M |
| Goodman financial | 76.29K | 2.62% | $13.83M |
| Taika capital, lp | 11.89K | 2.05% | $2.69M |
| Robertson opportunity capital | 28.83K | 1.90% | $5.23M |
| Wilson asset management () pty | 39.46K | 1.84% | $7.15M |
| Qsv equity investors | 6.75K | 1.81% | $1.22M |
| Alamar capital management | 16.83K | 1.55% | $2.93B |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Lombard odier asset management (europe) | 4.61M | 0.35% | 4.59M |
| Blackrock funding, inc. /de | 3.75M | 0.01% | 1.90M |
| Hsbc | 1.80M | 0.17% | 1.74M |
| Primecap management co/ca/ | 3.18M | 0.44% | 944.83K |
| Bank of montreal /can/ | 951.02K | 0.06% | 932.69K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| T. rowe price investment management | 1.37M | 0.15% | -961.29K |
| Invesco | 76.33K | 0.00% | -776.89K |
| American century companies | 15.48K | 0.00% | -471.71K |
| Marshall wace, llp | - | - | -358.33K |
| Congress asset management co /ma | - | - | -286.28K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 503.86K | 0.01% | 503.86K | $91.32M |
| Cooke & bieler lp | 104.10K | 0.20% | 104.10K | $18.87M |
| Bw gestao de investimentos ltda. | 49.50K | 0.20% | 49.50K | $8.97M |
| Polar asset management partners | 40.25K | 0.08% | 40.25K | $7.01M |
| Weiss asset management lp | 34.40K | 0.07% | 34.40K | $5.99M |
Sold Out
| Holder | Change |
|---|---|
| Claris advisors, llc / mo / | -1.00 |
| Colonial trust advisors | -1.00 |
| Westend advisors | -1.00 |
| Nelson, van denburg & campbell wealth management group | -1.00 |
| Advisornet financial | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 335 | -27.80% | 23,348,295 | -41.93% | 63 | 0.54% | 184 | -19.65% | 115 | -36.11% |
| Sep 30, 2025 | 440 | -17.14% | 40,083,415 | 14.30% | 107 | 1.21% | 218 | -28.52% | 170 | 6.92% |
| Jun 30, 2025 | 536 | 2.49% | 36,950,853 | 0.68% | 99 | 1.03% | 310 | 8.77% | 157 | -9.77% |
| Mar 31, 2025 | 521 | - | 36,702,491 | -2.53% | 98 | 0.97% | 284 | -2.07% | 174 | 10.13% |
| Dec 31, 2024 | 480 | -6.43% | 34,601,729 | -4.06% | 92 | 1.00% | 266 | 9.46% | 145 | -24.87% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 2.24M | 6.31% | 2.24M |
| Vanguard Capital Opportunity Inv | 1.75M | 4.93% | 570.07K |
| Vanguard Total Stock Mkt Idx Inv | 1.12M | 3.15% | 2.38K |
| Vanguard US Total Market Shares ETF | 1.14M | 3.02% | -58.38K |
| Vanguard Institutional 500 Index Trust | 1.07M | 2.86% | 6.63K |
| T. Rowe Price Mid-Cap Growth | 1.05M | 2.80% | -1.90K |
| T. Rowe Price US Mid-Cap Growth Equity | 1.05M | 2.79% | -1.20K |
| Vanguard 500 Index Investor | 928.63K | 2.48% | -136.14K |
| PRIMECAP Odyssey Aggressive Growth | 860.96K | 2.42% | 198.94K |
| VanEck Morningstar Wide Moat | 842.48K | 2.37% | -685.89K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 10, 2026 | Pintoff Scott | General Counsel and Secretary | Sell | $18.49K |
| Feb 10, 2026 | Pintoff Scott | General Counsel and Secretary | Sell | $17.19K |
| Jan 12, 2026 | Pintoff Scott | General Counsel and Secretary | Sell | $16.86K |
| Dec 12, 2025 | Pintoff Scott | General Counsel and Secretary | Sell | $17.79K |
| Sep 12, 2025 | McPherson Kevin M | Chief Revenue Officer | Sell | $276.87K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 3 |
| 2025 Q4 | - | 1 |
| 2025 Q3 | - | 2 |
| 2025 Q2 | - | 2 |
| 2025 Q1 | - | - |
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