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Which hedge funds own MKTX? MARKETAXESS HLDGS INC, Q2 2026 13F holders

Financial ServicesCapital Markets

51 tracked hedge funds disclosed a position in MKTX (MARKETAXESS HLDGS INC) in their Q2 2026 13F filings, worth $995.7m in total. The largest holder by portfolio weight is North Reef Capital Management LP at 14.8% of its book. 16 opened a new position this quarter: Azora Capital LP, FJ Capital Management LLC, EntryPoint Capital, LLC, Freestone Grove Partners LP. 15 exited: Findlay Park Partners, Polar Asset Management Partners Inc., Dockside LLC.

51
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
16
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
15
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$115m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$112m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$996m
Combined value
Sum of the holders' reported positions in the security.
4.1%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

51 rows
North Reef Capital Management LP Hedge fund14.8%$385m3.40m+81%added
Azora Capital LP Hedge fund2.5%$58.2m513,081–new
RDST Capital LLC Hedge fund2.3%$28.0m247,112−16%reduced
Sone Capital Management, LLC Hedge fund1.3%$17.7m155,522−2.8%reduced
Robertson Opportunity Capital, LLC Hedge fund1.3%$3.3m28,8300.0%held
FJ Capital Management LLC Hedge fund0.5%$4.2m37,237–new
PDT Partners, LLC Hedge fund0.2%$3.2m28,171+558%added
Readystate Asset Management LP Hedge fund0.2%$3.8m33,794+36%added
Prana Capital Management, LP Hedge fund0.1%$4.3m37,877+20%added
EntryPoint Capital, LLC Hedge fund0.1%$538k4,737–new
Freestone Grove Partners LP Hedge fund0.1%$19.6m172,799–new
Twinbeech Capital LP Hedge fund0.1%$700k6,167–new
Y-Intercept (Hong Kong) Ltd Hedge fund0.1%$6.2m54,792+1694%added
CenterBook Partners LP Hedge fund0.10%$2.0m17,296+3.5%added
West Family Investments, Inc. Family office0.09%$308k2,714–new
Bayforest Capital Ltd Hedge fund0.08%$88.3k778+280%added
Brevan Howard Capital Management LP Hedge fund0.08%$5.8m51,050–new
AQR Capital Management LLC Hedge fund0.08%$223m1.99m−26%reduced
SummitTX Capital, L.P. Hedge fund0.07%$2.8m24,362–new
X-Square Capital, LLC Hedge fund0.07%$264k2,330+6.6%added
Tudor Investment Corp ET AL Hedge fund0.06%$15.6m137,847–new
Machina Capital S.A.S. Hedge fund0.05%$347k3,056+57%added
Walleye Capital LLC Hedge fund0.05%$10.7m94,002−72%reduced
Trexquant Investment LP Hedge fund0.05%$7.6m66,681−5.3%reduced
Two Sigma Investments, LP Hedge fund0.05%$61.7m543,890+3.8%added
Interval Partners, LP Hedge fund0.03%$981k8,648−67%reduced
Citadel Advisors LLC Hedge fund0.03%$54.7m481,689+486%added
Renaissance Technologies LLC Hedge fund0.03%$22.7m200,000+20%added
Atom Investors LP Hedge fund0.03%$303k2,669–new
Caxton Associates LLP Hedge fund0.02%$1.2m10,884–new
Dark Forest Capital Management LP Hedge fund0.02%$276k2,435−70%reduced
Aquatic Capital Management LLC Hedge fund0.01%$430k3,790+151%added
ExodusPoint Capital Management, LP Hedge fund0.01%$1.5m13,183−45%reduced
Holocene Advisors, LP Hedge fund0.01%$4.3m38,269−13%reduced
Millennium Management LLC Hedge fund0.01%$12.4m109,590−90%reduced
Jain Global LLC Hedge fund0.01%$709k6,250–new
Centiva Capital, LP Hedge fund0.01%$227k2,002–new
Squarepoint Ops LLC Hedge fund0.01%$3.7m32,462+105%added
Arrowstreet Capital, Limited Partnership Hedge fund0.01%$13.8m122,005−59%reduced
Armistice Capital, LLC Hedge fund0.01%$222k1,952–new
Engineers Gate Manager LP Hedge fund0.01%$460k4,050−17%reduced
Marshall Wace, LLP Hedge fund0.0%$4.4m39,090–new
D. E. Shaw & Co., Inc. Hedge fund0.0%$5.4m47,977+1348%added
Bridgewater Associates, LP Hedge fund0.0%$797k7,024+25%added
Schonfeld Strategic Advisors LLC Hedge fund0.0%$557k4,911−88%reduced
Horizon Kinetics (Murray Stahl) Long-only investor0.0%$256k2,254+7.2%added
Point72 Asset Management, L.P. Hedge fund0.0%$919k8,100−97%reduced
Balyasny Asset Management L.P. Hedge fund0.0%$244k2,153−49%reduced
Fulcrum Asset Management LLP Hedge fund0.0%$2.4k22–new
Quarry LP Hedge fund0.0%$3403−99%reduced