Dark
Light
System
Security
VOLCANO CORP
VOLCANO CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 158 Institutional holders with a total value of $897,561,946.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 3,215,744 57,498,000 6.41%
2 WATER ISLAND CAPITAL LLC 3,116,216 55,717,942 6.21%
3 Camber Capital Management LP 2,550,000 45,594,000 5.08%
4 TIG Advisors, LLC 2,547,653 45,552,000 5.08%
5 Broadfin Capital, LLC 2,494,854 44,608,000 4.97%
6 TimesSquare Capital Management, LLC 2,468,344 44,134,000 4.92%
7 GABELLI FUNDS LLC 2,235,400 39,969,000 4.45%
8 AQR CAPITAL MANAGEMENT LLC 1,943,374 34,747,000 3.87%
9 BlackRock Fund Advisors 1,468,714 26,261,000 2.93%
10 BlackRock Institutional Trust Company, N.A. 1,371,129 24,516,000 2.73%
11 DEUTSCHE BANK AG\ 1,322,534 23,645,000 2.63%
12 ALPINE ASSOCIATES MANAGEMENT INC. 1,296,000 23,172,000 2.58%
13 OXFORD ASSET MANAGEMENT LLP 1,250,000 22,363,000 2.49%
14 GLAZER CAPITAL, LLC 1,117,571 19,982,000 2.23%
15 MORGAN STANLEY 991,995 17,736,000 1.98%
16 STATE STREET CORP 932,870 16,677,000 1.86%
17 GLG Partners LP 836,602 14,958,000 1.67%
18 JPMORGAN CHASE & CO 829,142 14,825,000 1.65%
19 OMERS ADMINISTRATION Corp 722,000 12,909,000 1.44%
20 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 694,444 12,417,000 1.38%
21 KENNEDY CAPITAL MANAGEMENT LLC 679,946 12,157,000 1.35%
22 GOLDMAN SACHS GROUP INC 597,602 10,685,000 1.19%
23 NORTHERN TRUST CORP 583,585 10,435,000 1.16%
24 GARDNER LEWIS ASSET MANAGEMENT L P 575,000 10,281,000 1.15%
25 GAMCO INVESTORS, INC. ET AL 572,500 10,236,000 1.14%
26 D. E. Shaw & Co., Inc. 520,420 9,305,000 1.04%
27 Engaged Capital LLC 502,825 8,991,000 1.00%
28 TIG Advisors, LLC 501,600 8,969,000 1.00% Call
29 Pentwater Capital Management LP 500,000 8,940,000 1.00%
30 GABELLI & Co INVESTMENT ADVISERS, INC. 491,436 8,787,000 0.98%
31 CREDIT SUISSE AG/ 470,307 8,409,000 0.94%
32 LONGFELLOW INVESTMENT MANAGEMENT CO LLC 430,000 7,688,000 0.86%
33 MILLENNIUM MANAGEMENT LLC 415,532 7,430,000 0.83%
34 ROCKEFELLER FINANCIAL SERVICES INC 414,125 7,405,000 0.83%
35 GEODE CAPITAL MANAGEMENT, LLC 409,078 7,313,000 0.81%
36 RENAISSANCE TECHNOLOGIES LLC 363,400 6,498,000 0.72%
37 Magnetar Financial LLC 352,756 6,307,000 0.70%
38 ING GROEP NV 350,000 6,262,000 0.70%
39 SUSQUEHANNA INTERNATIONAL GROUP, LLP 272,359 4,870,000 0.54%
40 Bank of New York Mellon Corp 270,129 4,830,000 0.54%
41 LG Capital Management, LP 246,700 4,411,000 0.49%
42 J. Goldman & Co LP 225,000 4,023,000 0.45% Call
43 Endurant Capital Management LP 222,350 3,976,000 0.44%
44 CHESAPEAKE PARTNERS MANAGEMENT CO INC/MD 200,000 3,576,000 0.40%
45 Iguana Healthcare Management, LLC 200,000 3,576,000 0.40%
46 Kassirer Asset Management Corp 200,000 3,576,000 0.40%
47 TOCQUEVILLE ASSET MANAGEMENT L.P. 198,958 3,557,000 0.40%
48 NORGES BANK 198,000 3,541,000 0.39%
49 TIAA CREF INVESTMENT MANAGEMENT LLC 190,156 3,400,000 0.38%
50 SG Americas Securities, LLC 188,913 3,378,000 0.38%
Page 1 of 4

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.