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Institutional Investment Manager
Tamarack Capital Management, LLC
Tamarack Capital Management, LLC (CIK: 0001537996) incorporated in Delaware, located at 5050 Avenida Encinas, Carlsbad, CA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q2)
Portfolio Summary: 35 holdings with a total value of $869,739,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 SPDR S&P 500 ETF TR 600,000 123,510,000 14.20% Call
2 SPDR S&P 500 ETF TR 400,000 82,340,000 9.47% Put
3 ISHARES TR 500,000 62,430,000 7.18% Put
4 ENDOLOGIX INC 4,050,000 62,127,000 7.14%
5 BECTON DICKINSON & CO 400,000 56,660,000 6.51%
6 QUEST DIAGNOSTICS INC 700,000 50,764,000 5.84%
7 PATTERSON COS INC 855,000 41,596,000 4.78%
8 GREATBATCH INC 723,962 39,036,000 4.49%
9 MEDTRONIC PLC 500,000 37,050,000 4.26%
10 ALKERMES PLC SHS 400,000 25,736,000 2.96%
11 ALLSCRIPTS HEALTHCARE 1,775,000 24,282,000 2.79%
12 SPECTRANETICS CORP 1,050,000 24,161,000 2.78%
13 NXSTAGE MED INC COM 1,675,000 23,927,000 2.75%
14 ATRICURE INC 885,000 21,806,000 2.51%
15 BIO RAD LABS INC CL A 121,050 18,231,000 2.10%
16 LUMINEX CORP DEL COM 1,000,000 17,260,000 1.98%
17 IMPRIVATA INC 1,025,000 16,769,000 1.93%
18 MIMEDX GROUP INC COM 1,300,000 15,067,000 1.73%
19 RTI SURGICAL HOLDINGS INC COM 2,000,000 12,920,000 1.49%
20 CATAMARAN CORP COM 189,802 11,593,000 1.33%
21 LANTHEUS HLDGS INC COM 1,770,918 10,962,000 1.26%
22 BRUKER CORP 500,709 10,219,000 1.17%
23 ICU MED INC COM 105,776 10,119,000 1.16%
24 CORIUM INTERNATIONAL INC 719,385 9,848,000 1.13%
25 PERRIGO CO PLC 53,000 9,796,000 1.13% Call
26 PERRIGO CO PLC 50,000 9,242,000 1.06%
27 BIO TECHNE CORP 80,779 7,954,000 0.91%
28 AMARIN CORP PLC 3,224,690 7,933,000 0.91%
29 Oxford Immunotec Global PLC 504,668 6,990,000 0.80%
30 HMS HOLDINGS CORPORATION 329,246 5,653,000 0.65%
31 CERUS CORP 865,170 4,490,000 0.52%
32 INOGEN INC COM 75,000 3,345,000 0.38%
33 STREAMLINE HEALTH SOLUTIONS COM 1,138,000 3,186,000 0.37%
34 SUPERNUS PHARMACEUTICALS INC COM 150,000 2,547,000 0.29%
35 Teladoc, Inc. 10,000 190,000 0.02%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001095449-15-000109, filed 2015.08.11).

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.