Who Owns MKTX?
MarketAxess Holdings Inc. — Institutional Ownership & 13F Holdings
$153.62
-3.58 (-2.27%)
Market Cap
$5.6B
Shares Outstanding
37,171,509
Institutional Holders
502
Total Inst. Value
$312.8B
% of Float Held
106.2%
QoQ Holder Change
+151
Institutional data as of Q1 2025
New Positions
111
Closed Positions
84
Increased
181
Decreased
164
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | PRIMECAP MANAGEMENT CO/CA/ | $294.6B | 1,361,512 |
| 2 | CANADA PENSION PLAN INVESTMENT BOARD | $11.2B | 51,689 |
| 3 | VANGUARD GROUP INC | $953.5M | 4,407,136 |
| 4 | BlackRock, Inc. | $563.7M | 2,605,396 |
| 5 | T. Rowe Price Investment Management, Inc. | $502.6M | 2,323,015 |
| 6 | FMR LLC | $473.8M | 2,189,916 |
| 7 | VAN ECK ASSOCIATES CORPNew | $434.0M | 2,005,916 |
| 8 | GUARDCAP ASSET MANAGEMENT Ltd | $329.5M | 1,523,006 |
| 9 | STATE STREET CORP | $317.0M | 1,465,406 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $245.2M | 1,134,750 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| CANADA PENSION PLAN INVESTMENT BOARD | +2K | $11.2B |
| T. Rowe Price Investment Management, Inc. | +25K | $502.6M |
| VAN ECK ASSOCIATES CORPNew | +2.0M | $434.0M |
| GEODE CAPITAL MANAGEMENT, LLC | +21K | $245.2M |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | +183 | $211.2M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| BlackRock, Inc. | -558K | $563.7M |
| GUARDCAP ASSET MANAGEMENT Ltd | -240K | $329.5M |
| JPMORGAN CHASE & CO | -185K | $96.3M |
| STATE STREET CORP | -164K | $317.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | -154K | $30.5M |
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Frequently Asked Questions
How many institutional investors hold MKTX?
As of Q1 2025, 502 institutional investors report holding MKTX (MarketAxess Holdings Inc.) in their 13F filings.
What percentage of MarketAxess Holdings Inc. is owned by institutions?
Institutional investors hold approximately 106.2% of MarketAxess Holdings Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most MKTX?
The largest institutional holder of MKTX is PRIMECAP MANAGEMENT CO/CA/ with $294.6B in shares.
Are institutions buying or selling MKTX?
This quarter, 111 institutions opened new positions in MKTX and 84 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.