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

Institutional Holders (2016Q4)
Portfolio Summary: 322 Institutional holders with a total value of $4,931,372,944.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 2,720,830 399,744,000 8.11%
2 BAILLIE GIFFORD & CO 2,657,408 390,427,000 7.92%
3 BlackRock Fund Advisors 1,492,321 219,252,000 4.45%
4 WELLS FARGO & COMPANY/MN 1,459,301 214,401,000 4.35%
5 BlackRock Institutional Trust Company, N.A. 1,158,289 170,176,000 3.45%
6 Neuberger Berman Group LLC 1,037,736 152,464,000 3.09%
7 PRIMECAP MANAGEMENT CO/CA/ 959,720 141,002,000 2.86%
8 STATE STREET CORP 958,719 140,859,000 2.86%
9 JANUS HENDERSON INVESTORS US LLC 917,600 134,814,000 2.73%
10 FRANKLIN RESOURCES INC 781,420 114,789,000 2.33%
11 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 710,035 104,319,000 2.12%
12 Invesco Ltd. 689,147 101,249,000 2.05%
13 Capital World Investors 660,000 96,967,000 1.97%
14 GW&K Investment Management, LLC 607,530 89,258,000 1.81%
15 WELLINGTON MANAGEMENT GROUP LLP 583,702 85,758,000 1.74%
16 AMERICAN CENTURY COMPANIES INC 497,027 73,023,000 1.48%
17 Burgundy Asset Management Ltd. 491,384 72,194,000 1.46%
18 Van Berkom & Associates Inc. 457,115 67,159,000 1.36%
19 ROYAL BANK OF CANADA 433,983 63,762,000 1.29%
20 NORGES BANK 412,734 60,639,000 1.23%
21 Geneva Advisors, LLC 403,613 59,299,000 1.20%
22 Bank of New York Mellon Corp 398,206 58,504,000 1.19%
23 DIMENSIONAL FUND ADVISORS LP 392,845 57,716,000 1.17%
24 GOLDMAN SACHS GROUP INC 385,772 56,678,000 1.15%
25 ALLIANCEBERNSTEIN L.P. 368,289 54,109,000 1.10%
26 AEGON ASSET MANAGEMENT UK PLC 337,914 49,646,325 1.01%
27 PRICE T ROWE ASSOCIATES INC /MD/ 324,143 47,623,000 0.97%
28 OppenheimerFunds, Inc. 322,152 47,331,000 0.96%
29 Mitsubishi UFJ Trust & Banking Corp 319,160 46,891,000 0.95%
30 NEXT CENTURY GROWTH INVESTORS LLC 305,661 44,907,000 0.91%
31 Stephens Investment Management Group LLC 305,504 44,885,000 0.91%
32 NORTHERN TRUST CORP 305,499 44,883,000 0.91%
33 JANUS HENDERSON GROUP PLC 303,104 44,532,000 0.90%
34 FMR LLC 293,762 43,160,000 0.88%
35 AQR CAPITAL MANAGEMENT LLC 289,330 42,508,000 0.86%
36 BAMCO INC /NY/ 279,173 41,016,000 0.83%
37 GEODE CAPITAL MANAGEMENT, LLC 273,741 40,217,000 0.82%
38 BAHL & GAYNOR INC 264,683 38,888,000 0.79%
39 MORGAN STANLEY 259,867 38,180,000 0.77%
40 Nationwide Fund Advisors 238,419 35,029,000 0.71%
41 BANK OF AMERICA CORP /DE/ 224,364 32,964,000 0.67%
42 LOOMIS SAYLES & CO L P 218,451 32,095,000 0.65%
43 FRED ALGER MANAGEMENT, LLC 212,506 31,221,000 0.63%
44 WADDELL & REED FINANCIAL INC 192,410 28,269,000 0.57%
45 COLUMBIA WANGER ASSET MANAGEMENT LLC 190,531 27,993,000 0.57%
46 JPMORGAN CHASE & CO 188,661 27,718,000 0.56%
47 RENAISSANCE TECHNOLOGIES LLC 183,510 26,961,000 0.55%
48 AMERIPRISE FINANCIAL INC 182,593 26,826,000 0.54%
49 Granahan Investment Management, LLC 166,640 24,483,000 0.50%
50 PRINCIPAL FINANCIAL GROUP INC 146,051 21,458,000 0.44%
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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.