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CASTLIGHT HEALTH INC COM CL B
CASTLIGHT HEALTH INC COM CL B. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 101 Institutional holders with a total value of $223,549,655.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 OAK MANAGEMENT CORP 11,917,744 50,889,000 22.76%
2 WELLCOME TRUST LTD (THE) as trustee of the WELLCOME TRUST 6,568,646 27,982,000 12.52%
3 FMR LLC 6,002,664 25,631,000 11.47%
4 MORGAN STANLEY 3,164,822 13,514,000 6.05%
5 VANGUARD GROUP INC 2,439,309 10,415,000 4.66%
6 WELLINGTON MANAGEMENT GROUP LLP 1,934,106 8,258,000 3.69%
7 BAILLIE GIFFORD & CO 1,794,820 7,664,000 3.43%
8 PRUDENTIAL PLC 1,716,123 7,328,000 3.28%
9 EVENTIDE ASSET MANAGEMENT, LLC 1,708,600 7,296,000 3.26%
10 Alyeska Investment Group, L.P. 1,213,511 5,182,000 2.32%
11 MAVERICK CAPITAL LTD 1,144,324 4,886,000 2.19%
12 GAGNON SECURITIES LLC 968,936 4,137,000 1.85%
13 BlackRock Institutional Trust Company, N.A. 884,156 3,775,000 1.69%
14 MILLENNIUM MANAGEMENT LLC 881,856 3,766,000 1.68%
15 BlackRock Fund Advisors 851,363 3,635,000 1.63%
16 Gagnon Advisors, LLC 733,745 3,133,000 1.40%
17 ADAGE CAPITAL PARTNERS GP, L.L.C. 578,982 2,472,000 1.11%
18 ArrowMark Colorado Holdings LLC 561,177 2,396,000 1.07%
19 STATE STREET CORP 489,981 2,091,000 0.94%
20 Endurant Capital Management LP 442,508 1,890,000 0.85%
21 PUTNAM INVESTMENTS LLC 396,302 1,692,000 0.76%
22 NORTHERN TRUST CORP 376,241 1,607,000 0.72%
23 D. E. Shaw & Co., Inc. 333,027 1,422,000 0.64%
24 CITADEL ADVISORS LLC 297,054 1,268,000 0.57%
25 Jefferies Group LLC 261,325 1,116,000 0.50%
26 Polar Capital LLP 261,458 1,114,000 0.50%
27 EverPoint Asset Management, LLC 250,000 1,068,000 0.48%
28 KORNITZER CAPITAL MANAGEMENT INC /KS 250,000 1,067,000 0.48%
29 GEODE CAPITAL MANAGEMENT, LLC 245,867 1,049,000 0.47%
30 DEUTSCHE BANK AG\ 230,217 981,000 0.44%
31 Teton Advisors, Inc. 218,339 932,000 0.42%
32 OPPENHEIMER & CO INC 207,115 884,000 0.40%
33 RENAISSANCE TECHNOLOGIES LLC 179,742 767,000 0.34%
34 Bank of New York Mellon Corp 177,974 759,000 0.34%
35 ALLEN OPERATIONS LLC 157,372 672,000 0.30%
36 PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. 149,400 638,000 0.29%
37 CONTINENTAL ADVISORS LLC 134,000 572,000 0.26%
38 SUSQUEHANNA INTERNATIONAL GROUP, LLP 130,800 559,000 0.25% Put
39 TIAA CREF INVESTMENT MANAGEMENT LLC 118,070 504,000 0.23%
40 WEATHERBIE CAPITAL, LLC 116,200 496,000 0.22% Put
41 BlackRock Investment Management, LLC 115,931 495,000 0.22%
42 Concourse Capital Management, LLC 110,000 470,000 0.21% Call
43 Harvey Partners, LLC 110,000 470,000 0.21%
44 SABBY MANAGEMENT, LLC 106,500 455,000 0.20%
45 SUSQUEHANNA INTERNATIONAL GROUP, LLP 96,581 412,000 0.18%
46 STONERIDGE INVESTMENT PARTNERS LLC 94,812 405,000 0.18%
47 ALLIANCEBERNSTEIN L.P. 96,150 404,000 0.18%
48 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 91,467 391,000 0.17%
49 RAYMOND JAMES & ASSOCIATES 86,200 368,000 0.16%
50 UBS Group AG 64,370 275,000 0.12%
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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.