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MARKETAXESS HLDGS INC
MARKETAXESS HLDGS INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 265 Institutional holders with a total value of $4,463,192,760.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 2,593,773 323,781,000 7.25%
2 WELLS FARGO & COMPANY/MN 2,430,661 303,419,000 6.80%
3 WELLINGTON MANAGEMENT GROUP LLP 2,073,652 258,853,000 5.80%
4 BlackRock Fund Advisors 1,889,717 235,893,000 5.29%
5 BAILLIE GIFFORD & CO 1,629,625 203,427,000 4.56%
6 STATE STREET CORP 1,232,111 153,799,000 3.45%
7 Neuberger Berman Group LLC 1,131,735 141,274,000 3.17%
8 BlackRock Institutional Trust Company, N.A. 1,089,927 136,056,000 3.05%
9 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 1,021,892 127,563,000 2.86%
10 PRIMECAP MANAGEMENT CO/CA/ 1,003,420 125,257,000 2.81%
11 JANUS HENDERSON INVESTORS US LLC 825,850 103,091,000 2.31%
12 LORD, ABBETT & CO. LLC 718,827 89,731,000 2.01%
13 GW&K Investment Management, LLC 706,089 88,141,000 1.97%
14 Invesco Ltd. 687,109 85,772,000 1.92%
15 Capital World Investors 660,000 82,388,000 1.85%
16 DIMENSIONAL FUND ADVISORS LP 636,721 79,481,000 1.78%
17 NORTHERN TRUST CORP 596,787 74,496,000 1.67%
18 Van Berkom & Associates Inc. 573,624 71,605,000 1.60%
19 GOLDMAN SACHS GROUP INC 570,328 71,194,000 1.60%
20 Burgundy Asset Management Ltd. 555,323 69,321,000 1.55%
21 AMERICAN CENTURY COMPANIES INC 513,472 64,097,000 1.44%
22 NEXT CENTURY GROWTH INVESTORS LLC 513,339 64,080,000 1.44%
23 OppenheimerFunds, Inc. 469,883 58,656,000 1.31%
24 Geneva Advisors, LLC 443,309 55,338,000 1.24%
25 Bank of New York Mellon Corp 421,455 52,610,000 1.18%
26 NORGES BANK 419,685 52,389,000 1.17%
27 KORNITZER CAPITAL MANAGEMENT INC /KS 395,501 49,370,000 1.11%
28 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 366,230 45,716,000 1.02%
29 LOOMIS SAYLES & CO L P 362,199 45,213,000 1.01%
30 Apex Capital Management 336,210 41,969,000 0.94%
31 PRICE T ROWE ASSOCIATES INC /MD/ 294,440 36,755,000 0.82%
32 RS INVESTMENT MANAGEMENT CO LLC 289,917 36,190,000 0.81%
33 BAHL & GAYNOR INC 262,747 32,799,000 0.73%
34 BAMCO INC /NY/ 260,975 32,578,000 0.73%
35 GEODE CAPITAL MANAGEMENT, LLC 258,446 32,260,000 0.72%
36 VOYA INVESTMENT MANAGEMENT LLC 257,986 32,205,000 0.72%
37 Mitsubishi UFJ Trust & Banking Corp 252,530 31,523,000 0.71%
38 JANUS HENDERSON GROUP PLC 247,720 30,922,000 0.69%
39 FMR LLC 240,000 29,959,000 0.67%
40 Stephens Investment Management Group LLC 230,200 28,736,000 0.64%
41 BANK OF AMERICA CORP /DE/ 226,380 28,258,000 0.63%
42 AMERIPRISE FINANCIAL INC 224,881 28,073,000 0.63%
43 Nationwide Fund Advisors 221,877 27,731,000 0.62%
44 BlackRock Investment Management, LLC 218,804 27,313,000 0.61%
45 COLUMBIA WANGER ASSET MANAGEMENT LLC 174,837 21,825,000 0.49%
46 ROTHSCHILD & CO ASSET MANAGEMENT US INC. 173,429 21,649,000 0.49%
47 Boston Trust Walden Corp 167,183 20,869,000 0.47%
48 TIAA CREF INVESTMENT MANAGEMENT LLC 165,125 20,613,000 0.46%
49 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 149,544 18,668,000 0.42%
50 JPMORGAN CHASE & CO 135,382 16,900,000 0.38%
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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.