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INSULET CORPORATION
INSULET CORPORATION. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 176 Institutional holders with a total value of $2,064,910,293.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WELLINGTON MANAGEMENT GROUP LLP 7,007,815 233,711,000 11.32%
2 FMR LLC 4,950,513 165,100,000 8.00%
3 VANGUARD GROUP INC 3,627,266 120,969,000 5.86%
4 PRIMECAP MANAGEMENT CO/CA/ 2,831,635 94,435,000 4.57%
5 JPMORGAN CHASE & CO 2,579,421 86,023,000 4.17%
6 Capital Research Global Investors 2,452,733 81,799,000 3.96%
7 Slate Path Capital LP 2,130,000 71,036,000 3.44%
8 DARUMA CAPITAL MANAGEMENT LLC 2,037,999 67,967,000 3.29%
9 ORBIMED ADVISORS LLC 1,997,000 66,600,000 3.23%
10 Clearbridge Investments, LLC 1,858,441 61,979,000 3.00%
11 FRONTIER CAPITAL MANAGEMENT CO LLC 1,641,216 54,735,000 2.65%
12 BlackRock Fund Advisors 1,582,408 52,773,000 2.56%
13 BlackRock Institutional Trust Company, N.A. 1,459,976 48,690,000 2.36%
14 MILLENNIUM MANAGEMENT LLC 1,430,083 47,693,000 2.31%
15 Champlain Investment Partners, LLC 1,376,175 45,895,000 2.22%
16 GILDER GAGNON HOWE & CO LLC 1,130,490 37,702,000 1.83%
17 STATE STREET CORP 930,884 31,044,000 1.50%
18 Calamos Advisors LLC 866,265 28,890,000 1.40%
19 TEACHERS ADVISORS, LLC 831,016 27,714,000 1.34%
20 NORTHERN TRUST CORP 801,917 26,744,000 1.30%
21 ArrowMark Colorado Holdings LLC 780,702 26,036,000 1.26%
22 WEATHERBIE CAPITAL, LLC 761,885 25,409,000 1.23%
23 NORGES BANK 632,500 21,094,000 1.02%
24 DECADE CAPITAL MANAGEMENT LLC 629,100 20,980,000 1.02%
25 BLACKROCK ADVISORS LLC 596,324 19,888,000 0.96%
26 Apex Capital Management 588,592 19,630,000 0.95%
27 TIAA CREF INVESTMENT MANAGEMENT LLC 552,999 18,443,000 0.89%
28 JANUS HENDERSON INVESTORS US LLC 505,290 16,851,000 0.82%
29 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 478,662 15,963,378 0.77%
30 CHARTWELL INVESTMENT PARTNERS, LLC 426,877 14,236,000 0.69%
31 Rothschild Capital Partners, LLC 382,599 12,760,000 0.62%
32 ROCKEFELLER FINANCIAL SERVICES INC 375,153 12,511,000 0.61%
33 Bank of New York Mellon Corp 363,902 12,136,000 0.59%
34 MORGAN STANLEY 356,069 11,874,000 0.58%
35 PRICE T ROWE ASSOCIATES INC /MD/ 353,541 11,791,000 0.57%
36 FRANKLIN RESOURCES INC 338,780 11,298,000 0.55%
37 AMERIPRISE FINANCIAL INC 337,936 11,270,000 0.55%
38 D. E. Shaw & Co., Inc. 337,713 11,263,000 0.55%
39 GEODE CAPITAL MANAGEMENT, LLC 336,510 11,222,000 0.54%
40 Nokota Management, LP 325,616 10,859,000 0.53%
41 AMUNDI ASSET MANAGEMENT US, INC. 315,566 10,524,000 0.51%
42 WELLS FARGO & COMPANY/MN 294,609 9,824,000 0.48%
43 SEGALL BRYANT & HAMILL, LLC 287,228 9,579,000 0.46%
44 TIRSCHWELL & LOEWY INC 271,875 9,067,000 0.44%
45 Permian Investment Partners, LP 251,921 8,402,000 0.41%
46 Employees Retirement System of Texas 247,000 8,237,000 0.40%
47 ASCEND CAPITAL, LLC 242,800 8,097,000 0.39%
48 BANK OF MONTREAL /CAN/ 237,781 7,930,000 0.38%
49 LMCG INVESTMENTS, LLC 237,600 7,924,000 0.38%
50 Nichols Asset Management LLC 234,593 7,824,000 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.