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MarketAxess Holdings

530 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, 229 increasing their positions, 161 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:

2% more capital invested

Capital invested by funds: $8.05B → $8.24B (+$188M)

0.32% less ownership

Funds ownership: 98.76%98.44% (-0.32%)

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

Holders
530
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$65.9M
Puts
$8.94M
Net Calls
Net Calls Change

Top Sellers

1 -$143M
2 -$134M
3 -$77.5M
4
Millennium Management
Millennium Management
New York
-$41M
5
VanEck Associates
VanEck Associates
New York
-$38.8M
Name Holding Trade Value Shares
Change
Change in
Stake
326
$390K
327
$388K
328
$388K
329
$388K
330
$386K
331
$385K
332
$384K
333
$382K
334
$382K
335
$379K
336
$379K
337
$370K
338
$369K
339
$368K
340
$358K
341
$355K
342
$353K
343
$330K
344
$325K
345
$325K
346
$323K
347
$316K
348
$315K
349
$310K
350
$302K