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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 (2015Q1)
Portfolio Summary: 39 holdings with a total value of $758,995,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 SPDR S&P 500 ETF TR 400,000 82,572,000 10.88% Put
2 SPDR S&P 500 ETF TR 400,000 82,572,000 10.88% Call
3 ENDOLOGIX INC 4,000,000 68,280,000 9.00%
4 ISHARES TR 400,000 49,748,000 6.55% Put
5 SPECTRANETICS CORP 1,077,596 37,457,000 4.94%
6 GREATBATCH INC 573,931 33,202,000 4.37%
7 BECTON DICKINSON & CO 229,000 32,882,000 4.33%
8 QUEST DIAGNOSTICS INC 400,000 30,740,000 4.05%
9 MEDTRONIC PLC 375,000 29,246,000 3.85%
10 TEVA PHARMACEUTICAL INDS LTD 400,000 24,920,000 3.28%
11 NXSTAGE MED INC COM 1,300,000 22,490,000 2.96%
12 ALLSCRIPTS HEALTHCARE 1,500,000 17,940,000 2.36%
13 INOGEN INC COM 550,000 17,595,000 2.32%
14 PERRIGO CO PLC 102,000 16,886,000 2.22%
15 ATRICURE INC 800,000 16,392,000 2.16%
16 PATTERSON COS INC 317,945 15,513,000 2.04%
17 CATAMARAN CORP COM 250,000 14,885,000 1.96%
18 ALKERMES PLC SHS 240,000 14,633,000 1.93%
19 BIO RAD LABS INC CL A 108,000 14,599,000 1.92%
20 DEXCOM 225,000 14,027,000 1.85%
21 PFIZER INC 391,198 13,610,000 1.79%
22 KERYX BIOPHARMACEUTICALS INCORPORATED 950,000 12,094,000 1.59%
23 BIO TECHNE CORP 115,000 11,533,000 1.52%
24 MIMEDX GROUP INC COM 1,000,000 10,400,000 1.37%
25 LUMINEX CORP DEL COM 633,092 10,129,000 1.33%
26 RTI SURGICAL HOLDINGS INC COM 2,000,000 9,880,000 1.30%
27 Orexigen Therapeutics, Inc. 1,000,000 7,830,000 1.03%
28 THERMO FISHER SCIENTIFIC INC 50,000 6,717,000 0.88%
29 Oxford Immunotec Global PLC 452,133 6,366,000 0.84%
30 IMPRIVATA INC 429,261 6,010,000 0.79%
31 MIMEDX GROUP INC COM 500,000 5,200,000 0.69% Call
32 CORIUM INTERNATIONAL INC 778,921 5,102,000 0.67%
33 RESMED INC 60,000 4,307,000 0.57% Put
34 STREAMLINE HEALTH SOLUTIONS COM 1,138,000 4,040,000 0.53%
35 ICU MED INC COM 35,000 3,260,000 0.43%
36 FEI COMPANY 35,180 2,686,000 0.35%
37 Hanger Inc 100,000 2,269,000 0.30%
38 STERIS PLC 10,000 703,000 0.09%
39 DISCOVERY LABORATORIES INC N 235,542 280,000 0.04%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001095449-15-000068, filed 2015.05.11).

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.