MKTX

MARKETAXESS HOLDINGS INC
USCUSIP 57060D108
Institutional Owners
171
+23 QoQ
13F Value Held
$1.7B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)65 adding · 34 trimming
Insider net (180d)+$0
Price history not yet available for MKTX.

Top institutional holders

171 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD PORTFOLIO MANAGEMENT LLC
$357.0M
2.16MNewQ1 2026
2North Reef Capital Management LP
$309.3M
1.88MAddedQ1 2026
3VANGUARD CAPITAL MANAGEMENT LLC
$265.5M
1.61MNewQ1 2026
4STATE STREET CORP
$211.3M
1.28MAddedQ1 2026
5GUARDCAP ASSET MANAGEMENT Ltd
$106.4M
643.4KReducedQ1 2026
6Point72 Asset Management, L.P.
$41.7M
252.8KNewQ1 2026
7VANGUARD FIDUCIARY TRUST CO
$37.9M
229.4KNewQ1 2026
8Champlain Investment Partners, LLC
$34.7M
210.1KAddedQ1 2026
9PUBLIC SECTOR PENSION INVESTMENT BOARD
$31.7M
192.2KAddedQ1 2026
10Connor, Clark & Lunn Investment Management Ltd.
$28.7M
174.1KAddedQ1 2026
11IEQ CAPITAL, LLC
$28.7M
173.9KReducedQ1 2026
12Davis Asset Management, L.P.
$18.0M
108.8KNewQ1 2026
13FLOSSBACH VON STORCH SE
$17.8M
108.1KAddedQ1 2026
14Polar Asset Management Partners Inc.
$17.2M
104.2KAddedQ1 2026
15CWM, LLC
$12.2M
74.0KReducedQ1 2026
16Trexquant Investment LP
$11.6M
70.4KAddedQ1 2026
17Gotham Asset Management, LLC
$9.9M
60.2KAddedQ1 2026
18HEARTLAND ADVISORS INC
$9.6M
58.3KAddedQ1 2026
19WEALTH ENHANCEMENT ADVISORY SERVICES, LLC
$8.9M
56.2KAddedQ1 2026
20Holocene Advisors, LP
$7.2M
43.8KReducedQ1 2026
21Schonfeld Strategic Advisors LLC
$7.0M
42.6KReducedQ1 2026
22DF DENT & CO INC
$6.8M
41.0KReducedQ1 2026
23FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A.
$6.5M
39.4KAddedQ1 2026
24STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM
$5.8M
35.0KReducedQ1 2026
25Prana Capital Management, LP
$5.2M
31.6KReducedQ1 2026

Fund activity — latest quarter

Opened (NEW)
22
funds
Added
43
funds
Reduced
34
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

162 funds+158 since Q2 2022
081162Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $1.4B

Funds that own MKTX also own

CompanyCo-held byCombined value
Microsoft Corp.MSFT158 funds$179.9B
Nvidia Corp. (US)NVDA155 funds$268.8B
Alphabet Inc.GOOGL155 funds$109.0B
Broadcom LtdAVGO155 funds$92.6B
Meta Platforms Inc-ClasMETA154 funds$82.2B
Amazon.com IncAMZN153 funds$134.2B
Lilly Eli & CoLLY153 funds$49.8B
Visa Inc-Class A SharesV152 funds$39.8B
Mastercard Inc-Class AMA152 funds$30.2B
Jpmorgan Chase & CoJPM151 funds$57.3B
Citigroup Inc. (US)C151 funds$14.5B
Micron Technology IncMU150 funds$29.5B

Ranked by how many of MKTX's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MKTX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.