MARKETAXESS HLDGS INC

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MKTX·57060D108·US·Common Stock·Financial Services - Capital Markets-13D/G

MKTX (MARKETAXESS HLDGS INC) is held by 188 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($672.3M), PRIMECAP MANAGEMENT CO/CA/ ($552.2M), AQR CAPITAL MANAGEMENT LLC ($442.8M). Net institutional sentiment: Mixed.

188

Holders

Avg rating(17 Elite)

$4.6B

Total Value

54% (217)

Fund Consensus

112 buying - 94 selling

Smart Money Verdict

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44Weak MomentumSplit Signals

Institutional (13F)52

Insider (Form 4)32

Activist (13D/13G)49

Congressional (STOCK Act)40

Holder Quality

17

★★★★★

Elite

64

★★★★

Strong

68

★★★

Solid

53

★★

Below

14

★

Weak

Held by 188 funds

17 elite

Who's Trading

ActivistNRNorth Reef Capital Management LP5.3%May 15, 2026

InsiderPSPintoff ScottSell $15KMay 11, 2026

ActivistFMR LLC4.2%May 6, 2026

InsiderQWQuan WilliamVest 218 shMay 1, 2026

InsiderPSPintoff ScottSell $17KApr 10, 2026

CongressJosh GottheimerSale $1,001 - $15,000Apr 9, 2026

InsiderPSPintoff ScottSell $18KMar 10, 2026

CongressJulie JohnsonSale $1,001 - $15,000Feb 12, 2025

CongressJulie JohnsonBuy $1,001 - $15,000Jan 15, 2025

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13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (188)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	4.1M(+8.8%)	$672.3M	0.0%	-31.19%	34
PRIMECAP MANAGEMENT CO/CA/	Increased	3.3M(+5.4%)	$552.2M	0.4%	-33.65%	40
AQR CAPITAL MANAGEMENT LLC	Increased	2.7M(+4.9%)	$442.8M	0.2%	-28.13%	39
FMR LLC	Decreased	1.5M(-24.2%)	$250.7M	0.0%	-37.50%	0
STATE STREET CORP	Increased	1.3M(+2.6%)	$211.3M	0.0%	-49.95%	31
MILLENNIUM MANAGEMENT LLC	Increased	1.1M(+260.4%)	$179.4M	0.1%	-29.22%	49
BANK OF MONTREAL /CAN/	Increased	1M(+7.3%)	$168.4M	0.1%	-24.71%	33
Neuberger Berman Group LLC	Increased	966,029(+75.8%)	$159.4M	0.1%	-26.10%	55
GEODE CAPITAL MANAGEMENT, LLC	Increased	862,987(+3.6%)	$142.4M	0.0%	-45.23%	31
DIMENSIONAL FUND ADVISORS LP	Increased	581,484(+10.3%)	$95.9M	0.0%	-47.58%	33
TWO SIGMA INVESTMENTS, LP	Decreased	524,024(-1.8%)	$86.5M	0.1%	-29.55%	0
GOLDMAN SACHS GROUP INC	Increased	509,043(+194.9%)	$84M	0.0%	-30.60%	48
MORGAN STANLEY	Increased	490,537(+15.4%)	$80.9M	0.0%	-31.26%	34
Findlay Park Partners LLP	Decreased	480,600(-10.4%)	$79.3M	1.1%	-44.18%	0
JPMORGAN CHASE & CO	Decreased	432,826(-20.6%)	$71.3M	0.0%	-34.81%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	338,507(+6.3%)	$55.8M	0.0%	-42.86%	31
Walleye Capital LLC	Increased	332,723(+97.2%)	$54.9M	0.2%	-26.99%	56
BNP PARIBAS FINANCIAL MARKETS	Decreased	319,302(-15.0%)	$52.7M	0.0%	-26.51%	0
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Increased	295,470(+2.3%)	$48.7M	0.0%	-35.56%	30
Bank of New York Mellon Corp	Decreased	289,940(-2.9%)	$47.8M	0.0%	-63.21%	0

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High Conviction Moves-Signal Convergence-Fund Consensus-Double-Down Signals

Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer