We are live on ! Find out more
MKTX icon

MarketAxess Holdings
MKTX

485 hedge funds and large institutions have $6.62B invested in MarketAxess Holdings in 2025 Q4 according to their latest regulatory filings, with 117 funds opening new positions, 156 increasing their positions, 170 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

67% more first-time investments, than exits

New positions opened: 117 | Existing positions closed: 70

65% more call options, than puts

Call options by funds: $33.7M | Put options by funds: $20.4M

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

8% more funds holding

Funds holding: 450 → 485 (+35)

7% more capital invested

Capital invested by funds: $6.21B → $6.62B (+$404M)

2.96% more ownership

Funds ownership: 95.28% → 98.24% (+3%)

8% less repeat investments, than reductions

Existing positions increased: 156 | Existing positions reduced: 170

Holders
485
Holders Change
+35
Holders Change %
+7.78%
% of All Funds
5.9%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
117
Increased
156
Reduced
170
Closed
70
Calls
$33.7M
Puts
$20.4M
Net Calls
+$13.3M
Net Calls Change
-$156M

Top Buyers

1
BlackRock
BlackRock
New York
+$324M
2
AQR Capital Management
AQR Capital Management
Connecticut
+$274M
3
Primecap Management
Primecap Management
California
+$161M
4
Bank of Montreal
Bank of Montreal
Ontario, Canada
+$159M
5
NRCM
North Reef Capital Management
California
+$119M

Top Sellers

1
HSBC Holdings
HSBC Holdings
United Kingdom
-$306M
2
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$214M
3
VanEck Associates
VanEck Associates
New York
-$125M
4
Millennium Management
Millennium Management
New York
-$52.2M
5
GAM
GuardCap Asset Management
United Kingdom
-$35.4M
Name Holding Trade Value Shares
Change 		Change in
Stake
FAF
426
Fjarde Ap-fonden
Sweden
$7.97K +$7.51K +44 New
SAM
427
Storebrand Asset Management
Norway
$7.79K – – –
RFP
428
Root Financial Partners
California
$7.61K +$1.88K +11 +35%
FAMI
429
Fideuram Asset Management (Ireland)
$7.13K +$5.63K +33 New
WBC
430
West Branch Capital
Massachusetts
$6.16K – – –
GRP
431
Global Retirement Partners
California
$5.88K +$1.54K +9 +39%
PFBT
432
Parkside Financial Bank & Trust
Missouri
$5.62K -$171 -1 -3%
CMBA
433
C.M. Bidwell & Associates
Hawaii
$5.26K – – –
ST
434
Smithfield Trust
Pennsylvania
$5K – – –
BWL
435
Bogart Wealth LLC
Virginia
$4.99K +$683 +4 +17%
TH
436
TCTC Holdings
Texas
$4.71K – – –
HNW
437
High Note Wealth
Minnesota
$4.71K +$4.44K +26 New
GWM
438
Geneos Wealth Management
Colorado
$4.53K -$9.39K -55 -69%
IRC
439
Investors Research Corp
Georgia
$3.99K – – –
First Eagle Investment Management
440
First Eagle Investment Management
New York
$3.99K +$3.75K +22 New
SS
441
Sunbelt Securities
Texas
$3.26K +$3.07K +18 New
KFAS
442
Keating Financial Advisory Services
Kansas
$3.08K +$2.9K +17 New
FMII
443
Farmers & Merchants Investments Inc
Nebraska
$2.72K +$1.71K +10 +200%
MCM
444
MV Capital Management
Maryland
$2.72K +$2.05K +12 +400%
AAP
445
Arax Advisory Partners
Colorado
$2.17K -$765K -4,483 -100%
MIM
446
MTM Investment Management
South Carolina
$2.17K – – –
DWM
447
Dogwood Wealth Management
Kansas
$1.99K +$341 +2 +22%
TAM
448
Tucker Asset Management
Colorado
$1.99K +$1.88K +11 New
Macquarie Group
449
Macquarie Group
Australia
$1.81K -$23.9K -140 -93%
TFA
450
Transamerica Financial Advisors
Florida
$1.67K +$1.36K +8 +800%
16 17
18
19 20

MKTX Hedge Fund Activity: Q4 2025 in Review

485 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in MarketAxess Holdings (MKTX) for Q4 2025, worth a combined $6.62B — up 6.5% from $6.21B a quarter earlier.

Buyers outnumbered sellers: 117 funds opened new MKTX positions and 70 closed out — a net gain of 47 holders — while 156 added to existing stakes and 170 trimmed.

The largest buyer was BlackRock, adding an estimated $324M. The largest seller was HSBC Holdings, cutting an estimated $306M.

  • 485 institutional investors held MarketAxess Holdings (MKTX) as of Q4 2025, up from 450 in Q3 2025.
  • Funds reported $6.62B of MarketAxess Holdings stock for Q4 2025, up 6.5% quarter-over-quarter.
  • 117 funds opened new MarketAxess Holdings positions in Q4 2025 and 70 closed out, a net change of +47 holders.
  • The largest MarketAxess Holdings buyer in Q4 2025 was BlackRock, an estimated $324M added.
  • The largest MarketAxess Holdings seller in Q4 2025 was HSBC Holdings, an estimated $306M sold.

Based on aggregated 13F filings for Q4 2025.