Security record
MKTX
MarketAxess Holdings Inc. · Financial Services · Financial - Capital Markets
123Tracked holders
+1Δ holders
26.71MShares held
$3.03BReported value
+9New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth +0.8% ·
share flow -3.6% ·
net new positions +0.8%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 123 | +1 | 26.71M | $3.03B | +9 | −8 |
| Q1 2026 | 125 | -6 | 27.43M | $4.53B | +6 | −13 |
| Q4 2025 | 131 | 0 | 28.24M | $5.12B | +2 | −1 |
| Q3 2025 | 20 | -1 | 17.11M | $2.98B | — | −2 |
| Q2 2025 | 19 | 0 | 16.65M | $3.72B | +1 | −1 |
| Q1 2025 | 16 | 0 | 7.12M | $1.54B | — | — |
| Q4 2024 | 16 | -2 | 6.45M | $1.46B | +1 | −3 |
| Q3 2024 | 17 | +2 | 4.95M | $1.27B | +3 | −1 |
| Q2 2024 | 15 | — | 5.07M | $1.02B | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.00M | -1.9% | $453.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | PRIMECAP Management ✦ | 3.50M | +4.7% | $397.77M | 0.2% | ▲ Add | 9 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 1.99M | -25.9% | $222.76M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 1.99M | -25.9% | $222.76M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 1.99M | -25.9% | $222.76M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 1.99M | -25.9% | $222.76M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 21 | Vanguard Capital Management Llc | 1.55M | -3.9% | $175.53M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | Fidelity (FMR) ✦ | 1.40M | -7.5% | $159.45M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 1.40M | -7.5% | $159.45M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 1.40M | -7.5% | $159.45M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 1.40M | -7.5% | $159.45M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 1.40M | -7.5% | $159.45M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 27 | State Street Global Advisors ✦ (passive) | 1.28M | +0.1% | $145.43M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 28 | Neuberger Berman Group LLC | 1.23M | +27.3% | $139.58M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 29 | Neuberger Berman Group LLC | 1.23M | +27.3% | $139.58M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 30 | Goldman Sachs Group ✦ | 1.03M | +102.6% | $117.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 31 | Goldman Sachs Group ✦ | 1.03M | +102.6% | $117.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 32 | Goldman Sachs Group ✦ | 1.03M | +102.6% | $117.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 33 | Goldman Sachs Group ✦ | 1.03M | +102.6% | $117.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 34 | Bank Of Montreal /Can/ | 1.02M | -0.3% | $115.42M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | Bank Of Montreal /Can/ | 1.02M | -0.3% | $115.42M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Bank Of Montreal /Can/ | 1.02M | -0.3% | $115.42M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Bank Of Montreal /Can/ | 1.02M | -0.3% | $115.42M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Bank Of Montreal /Can/ | 1.02M | -0.3% | $115.42M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | Bank Of Montreal /Can/ | 1.02M | -0.3% | $115.42M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Bank Of Montreal /Can/ | 1.02M | -0.3% | $115.42M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Geode Capital Management ✦ (passive) | 994.77K | +15.3% | $112.92M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 42 | Geode Capital Management ✦ (passive) | 994.77K | +15.3% | $112.92M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 43 | Dimensional Fund Advisors Lp | 597.89K | +2.8% | $67.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Dimensional Fund Advisors Lp | 597.89K | +2.8% | $67.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | Dimensional Fund Advisors Lp | 597.89K | +2.8% | $67.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Dimensional Fund Advisors Lp | 597.89K | +2.8% | $67.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Dimensional Fund Advisors Lp | 597.89K | +2.8% | $67.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | Norges Bank ✦ (passive) | 572.42K | New | $64.96M | 0.0% | New | 1 | SEC ↗ |
| 49 | Two Sigma Investments ✦ | 543.89K | +3.8% | $61.73M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 50 | Citadel Advisors ✦ | 481.69K | +486.3% | $54.67M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 51 | Citadel Advisors ✦ | 481.69K | +486.3% | $54.67M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 52 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 53 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 54 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 55 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 56 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 57 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 58 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 59 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 60 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 61 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 62 | JPMorgan Chase ✦ | 438.00K | +1.2% | $48.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 63 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 65 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 66 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 67 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 69 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 70 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 71 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 72 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 73 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 74 | Morgan Stanley ✦ | 422.86K | -13.8% | $47.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 75 | Charles Schwab Investment… | 330.81K | -2.3% | $37.54M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 76 | Bank Of America Corp /De/ | 303.52K | +15.0% | $34.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Bank Of America Corp /De/ | 303.52K | +15.0% | $34.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Bank Of America Corp /De/ | 303.52K | +15.0% | $34.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | UBS Group AG | 278.75K | +2.4% | $31.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | UBS Group AG | 278.75K | +2.4% | $31.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | UBS Group AG | 278.75K | +2.4% | $31.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Bank of New York Mellon Corp | 257.64K | -11.1% | $29.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Bank of New York Mellon Corp | 257.64K | -11.1% | $29.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Bank of New York Mellon Corp | 257.64K | -11.1% | $29.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 85 | Bank of New York Mellon Corp | 257.64K | -11.1% | $29.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Bank of New York Mellon Corp | 257.64K | -11.1% | $29.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | Bank of New York Mellon Corp | 257.64K | -11.1% | $29.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Bank of New York Mellon Corp | 257.64K | -11.1% | $29.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 89 | Bank of New York Mellon Corp | 257.64K | -11.1% | $29.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 90 | Bank of New York Mellon Corp | 257.64K | -11.1% | $29.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 91 | Northern Trust Corp | 246.52K | +4.3% | $27.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Northern Trust Corp | 246.52K | +4.3% | $27.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Northern Trust Corp | 246.52K | +4.3% | $27.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Northern Trust Corp | 246.52K | +4.3% | $27.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | Northern Trust Corp | 246.52K | +4.3% | $27.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Northern Trust Corp | 246.52K | +4.3% | $27.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Hrt Financial Lp | 205.85K | +50.3% | $23.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | BNP Paribas Asset Management… | 204.31K | +0.4% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | BNP Paribas Asset Management… | 204.31K | +0.4% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | BNP Paribas Asset Management… | 204.31K | +0.4% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $64.96M | 0.0% |
Exited
| Baillie Gifford | $4.79M | was 0.0% |
| Canada Pension Plan… | $3.76M | was 0.0% |
| Baird Financial Group, Inc. | $1.28M | was 0.0% |
| Alyeska Investment Group, L.P. | $831,829 | was 0.0% |
| Td Asset Management Inc | $588,484 | was 0.0% |
| Peak6 Llc | $377,804 | was 0.0% |
| Nomura Holdings Inc | $265,123 | was 0.0% |
| First Eagle Investment… | $3,630 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 444 holders, 37.78M shares, $5.93B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 10
Pintoff Scott
Officer · 100 sh · $16,260
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A — North Reef Capital Management LP
Aug 13
SC 13G/A — AQR CAPITAL MANAGEMENT LLC
Aug 06
SC 13G/A — PRIMECAP MANAGEMENT CO/CA/
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
Get this via the API