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Tamarack Advisers, LP

Q4 2022 Holdings

Filed 2023-02-13 | 36 holdings | $194.2M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
QQQ Jan3 270.0 PPutListed Option46090E953$39.9M150,00020.6%
Veradigm ORD(MDRX)Equity01988P108$12.6M715,0006.5%
Viatris ORD(VTRS)Equity92556V106$10.9M975,0005.6%
SPY Jan3 380.0 PPutListed Option78462F953$9.6M25,0004.9%
Phreesia ORD(PHR)Equity71944F106$9.2M285,0004.7%
Cerus ORD(CERS)Equity157085101$9.1M2,500,0004.7%
Collegium Pharmaceutical ORD(COLL)Equity19459J104$9.0M387,0004.6%
Streamline Health Solutions ORDEquity86323X106$7.8M4,930,8824.0%
Alkermes ORD(ALKS)EquityG01767105$7.2M275,0003.7%
Angiodynamics ORD(ANGO)Equity03475V101$6.7M490,0003.5%
BDX Jan3 260.0 PPutListed Option075887959$6.4M25,0003.3%
Biogen ORD(BIIB)Equity09062X103$5.5M20,0002.9%
Ascendis Pharma ADR REP ORD(ASND)Equity04351P101$5.5M45,0002.8%
Lantheus Holdings ORD(LNTH)Equity516544103$5.4M105,0002.8%
Tenet Healthcare ORD(THC)Equity88033G407$4.6M95,0002.4%
SI Bone ORD(SIBN)Equity825704109$4.5M330,0002.3%
Pacira Biosciences ORD(PCRX)Equity695127100$3.9M100,0002.0%
Neogen ORD(NEOG)Equity640491106$3.8M250,0002.0%
Rigel Pharmaceuticals ORD(RIGLUSD)Equity766559603$3.5M2,300,0001.8%
Inmode ORD(INMD)EquityM5425M103$3.2M90,0001.7%
Tactile Systems Technology ORD(TCMD)Equity87357P100$2.9M255,0001.5%
Merck & Co ORD(MRK)Equity58933Y105$2.8M25,0001.4%
Turning Point Brands ORD(TPB)Equity90041L105$2.7M125,0001.4%
Docgo ORD(DCGO)Equity256086109$2.7M375,0001.4%
Sanofi ADR REP 1 1/2 ORD(SNY)Equity80105N105$2.4M50,0001.2%
Atricure ORD(ATRC)Equity04963C209$2.2M50,0001.1%
Ironwood Pharma CL A ORD(IRWD)Equity46333X108$2.2M175,0001.1%
Fennec Pharmaceuticals ORD(FENC)Equity31447P100$2.0M213,0001.1%
Radnet ORD(RDNT)Equity750491102$1.9M100,0001.0%
Plexus ORD(PLXS)Equity729132100$1.6M15,5000.8%
ICU Medical ORD(ICUI)Equity44930G107$787.4K5,0000.4%
Somalogic CL A ORD(SLGCUSD)Equity83444K105$627.5K250,0000.3%
Maxcyte ORD(MXCT)Equity57777K106$546.0K100,0000.3%
Caredx ORD(CDNA)Equity14167L103$342.3K30,0000.2%
Nanostring Technologies ORD(NSTGEUR)Equity63009R109$239.1K30,0000.1%
Somalogic EQY Warrant(SLGCUSD)CallWarrant83444K105$50.2K20,0000.0%