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Super Investors Tamarack Capital Management, LLC
TC

Tamarack Capital Management, LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
—
Positions
1
Quarter ended
December 31, 2015
Filed
February 10, 2016

Reported portfolio value by quarter (11 quarters reported)

$870M —
Q2 13 Q1 14 Q4 14 Q3 15 Q4 15

$179M in Q2 2013 → — now. Hover for any quarter.

Holdings

As reported for the quarter ended December 31, 2015. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
N Na NaN% New 0 —

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q4 2015

quarter ended December 31, 2015 · filed February 10, 2016

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Trust Exited −700,000 −$134M —
IL Ishares Lehman 20+ Yr Treas Exited −762,000 −$94.1M —
IR Ishares Russell 2000 Exited −600,000 −$65.5M —
PC Patterson Cos Inc Exited −1,225,000 −$53M —
E Endologix Inc Exited −4,050,000 −$49.7M —
Medtronic PLC Exited −700,000 −$46.9M —
Quest Diagnostics Exited −700,000 −$43M —
G Greatbatch Inc Exited −700,000 −$39.5M —
BD Becton Dickinson & Co Exited −275,000 −$36.5M —
NM Nxstage Medical Inc Exited −2,000,000 −$31.5M —

Showing the 10 largest of 33 changes.

Q3 2015

quarter ended September 30, 2015 · filed November 10, 2015

Company Action Shares changed Value of change % of portfolio
IL Ishares Lehman 20+ Yr Treas New +762,000 +$94.1M 11.2%
SS SPDR S&P 500 ETF Trust Exited −400,000 −$82.3M —
Merck & Co. Inc. New +400,000 +$19.8M 2.4%
SS SPDR S&P 500 ETF Trust Added +100,000 +$19.2M 16.0%
BD Becton Dickinson & Co Trimmed −125,000 −$16.6M 4.3%
PC Patterson Cos Inc Added +370,000 +$16M 6.3%
Mimedx Group Inc Exited −1,300,000 −$15.1M —
Medtronic PLC Added +200,000 +$13.4M 5.6%
C Catamaran Corp Exited −189,802 −$11.6M —
TP Teva Pharmaceutical-sp ADR New +200,000 +$11.3M 1.3%

Showing the 10 largest of 38 changes.

Q2 2015

quarter ended June 30, 2015 · filed August 11, 2015

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Trust Added +200,000 +$41.2M 14.2%
PC Patterson Cos Inc Added +537,055 +$26.1M 4.8%
TP Teva Pharmaceutical-sp ADR Exited −400,000 −$24.9M —
BD Becton Dickinson & Co Added +171,000 +$24.2M 6.5%
Quest Diagnostics Added +300,000 +$21.8M 5.8%
Inogen Inc Trimmed −475,000 −$21.2M 0.4%
Dexcom Inc Exited −225,000 −$14M —
Pfizer Inc Exited −391,198 −$13.6M —
IR Ishares Russell 2000 Added +100,000 +$12.5M 7.2%
KB Keryx Biopharmaceuticals Exited −950,000 −$12.1M —

Showing the 10 largest of 44 changes.

Q1 2015

quarter ended March 31, 2015 · filed May 11, 2015

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Trust New +400,000 +$82.6M 10.9%
IR Ishares Russell 2000 New +400,000 +$49.7M 6.6%
SS SPDR S&P 500 ETF Trust Trimmed −200,000 −$41.3M 10.9%
IR Ishares Russell 2000 Exited −250,000 −$29.9M —
Medtronic PLC New +375,000 +$29.2M 3.9%
Medtronic Inc Exited −325,000 −$23.5M —
Pfizer Inc Exited −450,000 −$14M —
Quest Diagnostics Trimmed −180,000 −$13.8M 4.1%
Pfizer Inc New +391,198 +$13.6M 1.8%
Philip Morris International Exited −150,000 −$12.2M —

Showing the 10 largest of 49 changes.

Q4 2014

quarter ended December 31, 2014 · filed February 11, 2015

Company Action Shares changed Value of change % of portfolio
Quest Diagnostics New +580,000 +$38.9M 5.9%
IR Ishares Russell 2000 New +250,000 +$29.9M 4.5%
C Carefusion Corp Trimmed −421,500 −$25M 0.7%
SS SPDR S&P 500 ETF Trust Added +100,000 +$20.6M 18.7%
AP Auxilium Pharmaceuticals Inc Exited −650,000 −$19.4M —
BD Becton Dickinson & Co Added +125,000 +$17.4M 3.5%
AM Allscripts Misys Healthcare Solutions In New +1,250,000 +$16M 2.4%
Mimedx Group Inc Trimmed −1,350,000 −$15.6M 1.1%
Inogen Inc Added +413,383 +$13M 3.2%
Dexcom Inc Added +235,000 +$12.9M 2.8%

Showing the 10 largest of 38 changes.

Q3 2014

quarter ended September 30, 2014 · filed November 07, 2014

Company Action Shares changed Value of change % of portfolio
IR Ishares Russell 2000 Exited −1,100,000 −$128M —
SS SPDR S&P 500 ETF Trust New +500,000 +$98.5M 21.8%
Medtronic Inc New +370,000 +$22.9M 5.1%
CP Covidien PLC Exited −225,000 −$20.5M —
C Carefusion Corp Trimmed −375,000 −$17M 5.0%
V Volcano Corp Trimmed −1,518,300 −$16.2M 1.2%
C Catamaran Corp Exited −300,000 −$13M —
Philip Morris International New +150,000 +$12.5M 2.8%
Pfizer Inc New +400,000 +$11.8M 2.6%
AP Aegerion Pharmaceuticals Inc Exited −400,000 −$11.7M —

Showing the 10 largest of 37 changes.

Q2 2014

quarter ended June 30, 2014 · filed August 15, 2014

Company Action Shares changed Value of change % of portfolio
IR Ishares Russell 2000 Added +900,000 +$105M 26.2%
SS SPDR S&P 500 ETF Trust Exited −350,000 −$65.5M —
IT Insys Therapeutics Inc Exited −477,141 −$19.8M —
Johnson & Johnson Exited −175,000 −$17.2M —
S Spectranetics Corp Added +625,000 +$14.3M 5.4%
E Endologix Inc Added +950,000 +$13.4M 6.9%
TP Teva Pharmaceutical-sp ADR New +246,500 +$13.3M 2.7%
AP Aegerion Pharmaceuticals Inc New +400,000 +$11.7M 2.4%
Ironwood Pharmaceuticals Inc New +800,000 +$11.5M 2.3%
BR Biomed Realty Trust Inc Exited −550,000 −$11.3M —

Showing the 10 largest of 34 changes.

Q1 2014

quarter ended March 31, 2014 · filed May 12, 2014

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Trust Trimmed −150,000 −$28.1M 16.3%
E Endologix Inc New +1,425,000 +$18.3M 4.6%
Johnson & Johnson New +175,000 +$17.2M 4.3%
A Allergan Inc Exited −125,000 −$13.9M —
VM Varian Medical Systems Inc Exited −165,000 −$12.8M —
IR Ishares Russell 2000 Trimmed −100,000 −$11.6M 5.8%
Dexcom Inc Exited −310,000 −$11M —
C Catamaran Corp Added +225,000 +$10.1M 3.6%
IT Insys Therapeutics Inc Added +242,141 +$10M 4.9%
C Carefusion Corp Added +240,000 +$9.65M 7.0%

Showing the 10 largest of 31 changes.

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