Dark
Light
System
Security
MARKETAXESS HLDGS INC
MARKETAXESS HLDGS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 207 Institutional holders with a total value of $2,907,683,940.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WELLS FARGO & COMPANY/MN 3,386,111 280,700,000 9.65%
2 VANGUARD GROUP INC 2,513,769 208,391,000 7.17%
3 BlackRock Fund Advisors 2,333,108 193,415,000 6.65%
4 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 1,765,225 146,337,000 5.03%
5 KORNITZER CAPITAL MANAGEMENT INC /KS 1,596,866 132,380,000 4.55%
6 Burgundy Asset Management Ltd. 1,539,784 127,648,000 4.39%
7 BAILLIE GIFFORD & CO 1,491,779 123,669,000 4.25%
8 PRIMECAP MANAGEMENT CO/CA/ 1,003,420 83,184,000 2.86%
9 BlackRock Institutional Trust Company, N.A. 928,620 76,983,000 2.65%
10 JANUS HENDERSON INVESTORS US LLC 903,910 74,934,000 2.58%
11 LORD, ABBETT & CO. LLC 883,777 73,265,000 2.52%
12 GW&K Investment Management, LLC 882,479 73,158,000 2.52%
13 STATE STREET CORP 826,147 68,487,000 2.36%
14 Van Berkom & Associates Inc. 767,050 63,588,000 2.19%
15 Neuberger Berman Group LLC 710,564 58,906,000 2.03%
16 Boston Trust Walden Corp 639,796 53,039,000 1.82%
17 DIMENSIONAL FUND ADVISORS LP 639,265 52,997,000 1.82%
18 NORGES BANK 510,578 42,327,000 1.46%
19 NORTHERN TRUST CORP 437,399 36,260,000 1.25%
20 JANUS HENDERSON GROUP PLC 316,740 32,786,000 1.13%
21 LOOMIS SAYLES & CO L P 390,054 32,336,000 1.11%
22 Bank of New York Mellon Corp 386,266 32,021,000 1.10%
23 GOLDMAN SACHS GROUP INC 380,559 31,548,000 1.08%
24 VOYA INVESTMENT MANAGEMENT LLC 375,362 31,117,000 1.07%
25 NEXT CENTURY GROWTH INVESTORS LLC 365,318 30,284,000 1.04%
26 OppenheimerFunds, Inc. 304,440 25,238,000 0.87%
27 CLIFTON PARK CAPITAL MANAGEMENT, LLC 293,830 24,359,000 0.84%
28 Mitsubishi UFJ Trust & Banking Corp 289,930 24,035,000 0.83%
29 RS INVESTMENT MANAGEMENT CO LLC 278,132 23,057,000 0.79%
30 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 276,405 22,914,000 0.79%
31 Apex Capital Management 276,221 22,899,000 0.79%
32 AMERIPRISE FINANCIAL INC 263,544 21,847,000 0.75%
33 BAHL & GAYNOR INC 238,450 19,768,000 0.68%
34 PRINCIPAL FINANCIAL GROUP INC 237,321 19,674,000 0.68%
35 PRICE T ROWE ASSOCIATES INC /MD/ 229,300 19,009,000 0.65%
36 GEODE CAPITAL MANAGEMENT, LLC 229,154 18,996,000 0.65%
37 ROTHSCHILD & CO ASSET MANAGEMENT US INC. 224,781 18,634,000 0.64%
38 TIAA CREF INVESTMENT MANAGEMENT LLC 194,838 16,152,000 0.56%
39 BAROMETER CAPITAL MANAGEMENT INC. 177,093 14,681,000 0.50%
40 RENAISSANCE TECHNOLOGIES LLC 173,100 14,350,000 0.49%
41 SENTINEL ASSET MANAGEMENT, INC. 166,780 13,826,000 0.48%
42 CLEARBRIDGE, LLC 156,910 13,008,000 0.45%
43 SEGALL BRYANT & HAMILL, LLC 152,883 12,674,000 0.44%
44 TCW GROUP INC 145,817 12,088,000 0.42%
45 ASHFORD CAPITAL MANAGEMENT INC 144,580 11,986,000 0.41%
46 Apollo Management Holdings, L.P. 135,100 11,200,000 0.39% Put
47 BANK OF AMERICA CORP /DE/ 125,616 10,414,000 0.36%
48 BlackRock Investment Management, LLC 125,341 10,391,000 0.36%
49 STIFEL FINANCIAL CORP 118,444 9,819,000 0.34%
50 D. E. Shaw & Co., Inc. 117,446 9,736,000 0.33%
Page 1 of 5

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.