MKTX
MarketAxess Holdings Inc. · Financial Services · Financial - Capital Markets
Momentum inputs (comparable managers):
holder breadth -11.1% ·
share flow -1.8% ·
net new positions -12.5%
· formula
Broad distribution: falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | -1 | 31.02K | $4.80M | n/a | −2 |
| Q2 2026 | 121 | +1 | 26.68M | $3.02B | +9 | −10 |
| 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 | n/a | −2 |
| Q2 2025 | 19 | 0 | 16.65M | $3.72B | +1 | −1 |
| Q1 2025 | 16 | 0 | 7.12M | $1.54B | n/a | n/a |
| Q4 2024 | 16 | -2 | 6.45M | $1.46B | +1 | −3 |
| Q3 2024 | 17 | +2 | 4.95M | $1.27B | +3 | −1 |
| Q2 2024 | 15 | n/a | 5.07M | $1.02B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.63M | n/a | $368.33M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | PRIMECAP Management ✦ | 1.37M | +2.2% | $309.47M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.11M | +3.4% | $251.11M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 4 | Norges Bank ✦ (passive) | 526.87K | +3.0% | $119.09M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Marshall Wace ✦ | 481.43K | -0.7% | $108.82M | 0.1% | ▼ Trim | 3 | SEC ↗ ×4 |
| 6 | Baillie Gifford ✦ | 303.20K | -4.8% | $68.54M | 0.1% | ▼ Trim | 3 | SEC ↗ ×4 |
| 7 | Two Sigma Investments ✦ | 288.32K | +21.7% | $65.17M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 8 | Renaissance Technologies ✦ | 227.88K | +21.5% | $51.51M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 9 | Millennium Management ✦ | 144.15K | -24.6% | $32.58M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 100.59K | -54.1% | $22.74M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 11 | AQR Capital Management ✦ | 94.20K | +526.9% | $21.29M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 12 | Arrowstreet Capital ✦ | 83.67K | +471.2% | $18.91M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 63.03K | -1.3% | $14.25M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 14 | D. E. Shaw & Co. ✦ | 14.13K | -79.5% | $3.19M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 15 | Adage Capital Partners ✦ | 13.25K | -62.7% | $3.00M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | Gotham Asset Management ✦ | 1.08K | New | $243,897 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Gotham Asset Management | $243,897 | 0.0% |
Exited
| Point72 Asset Management | $30.23M | was 0.1% |
| Bridgewater Associates | $9.75M | was 0.1% |
| Wellington Management | $6.53M | 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.
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)
Officer · 100 sh · $16,465
Director · 6.16K sh · $1.01M
Officer · 100 sh · $16,332
Officer · 100 sh · $16,260
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology