MarketAxess Holdings
MKTX
MKTX
527 hedge funds and large institutions have $8.24B invested in MarketAxess Holdings in 2025 Q2 according to their latest regulatory filings, with 85 funds opening new positions, 228 increasing their positions, 160 reducing their positions, and 58 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more funds holding
Funds holding: →
1.02% more ownership
Funds ownership: 97.41% → 98.43% (+1%)
4% more capital invested
Capital invested by funds: $7.94B → $8.24B (+$297M)
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
Holders
527
Holding in Top 10
3
Calls
$65.9M
Puts
$8.94M
Top Buyers
| 1 | +$138M | |
| 2 | +$58.2M | |
| 3 | +$35.4M | |
| 4 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$34.4M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
+$31.3M |
Top Sellers
| 1 | -$143M | |
| 2 | -$134M | |
| 3 | -$77.5M | |
| 4 |
Millennium Management
New York
|
-$41M |
| 5 |
VanEck Associates
New York
|
-$38.8M |