$488 Million is the total value of Tamarack Advisers, LP's 77 reported holdings in Q1 2021. The portfolio turnover from Q4 2020 to Q1 2021 was 117.8% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| PCRX | Sell | PACIRA BIOSCIENCES INCequity | $38,550,000 | -11.6% | 550,000 | -25.2% | 7.91% | -12.9% |
| MDT | Sell | MEDTRONIC PLCequity | $35,439,000 | -18.1% | 300,000 | -20.0% | 7.27% | -19.4% |
| RIGL | Buy | RIGEL PHARMACEUTICALS INCequity | $28,557,000 | +10.0% | 8,350,000 | +12.1% | 5.86% | +8.3% |
| PDCO | New | PATTERSON COS INCequity | $24,602,000 | – | 770,000 | +100.0% | 5.05% | – |
| TPB | Buy | TURNING POINT BRANDS INCequity | $20,868,000 | +31.2% | 400,000 | +8.1% | 4.28% | +29.2% |
| HOLX | HOLOGIC INCequity | $20,455,000 | +2.3% | 275,000 | 0.0% | 4.20% | +0.8% | |
| LNTH | Sell | LANTHEUS HOLDINGS INCequity | $19,767,000 | +51.6% | 925,000 | -2.6% | 4.06% | +49.2% |
| DGX | Sell | QUEST DIAGNOSTICS INCequity | $19,251,000 | -3.0% | 150,000 | -9.1% | 3.95% | -4.5% |
| LH | Sell | LABORATORY CRP OF AMER HLDGSequity | $19,127,000 | -6.2% | 75,000 | -25.0% | 3.92% | -7.7% |
| CVS | New | CVS HEALTH CORPequity | $16,927,000 | – | 225,000 | +100.0% | 3.47% | – |
| UTHR | Sell | UNITED THERAPEUTICS CORPequity | $16,727,000 | -40.5% | 100,000 | -45.4% | 3.43% | -41.4% |
| LMNX | Buy | LUMINEX CORPequity | $15,259,000 | +152.4% | 478,327 | +91.3% | 3.13% | +148.6% |
| RDNT | Buy | RADNET INCequity | $14,899,000 | +23.2% | 685,000 | +5.4% | 3.06% | +21.3% |
| ICUI | Sell | ICU MEDICAL INCequity | $14,381,000 | -6.9% | 70,000 | -4.1% | 2.95% | -8.4% |
| MDRX | Sell | ALLSCRIPTS HEALTHCARE SOLUTIequity | $13,138,000 | -39.2% | 875,000 | -41.7% | 2.70% | -40.1% |
| ATRC | Sell | ATRICURE INCequity | $13,104,000 | -33.3% | 200,000 | -45.4% | 2.69% | -34.3% |
| ITGR | Buy | INTEGER HOLDINGS CORPequity | $11,955,000 | +104.6% | 129,800 | +75.4% | 2.45% | +101.5% |
| VRAY | New | VIEWRAY INCequity | $10,658,000 | – | 2,450,000 | +100.0% | 2.19% | – |
| BVS | New | BIOVENTUS INC - Aequity | $10,314,000 | – | 675,000 | +100.0% | 2.12% | – |
| STRM | Buy | STREAMLINE HEALTH SOLUTIONSequity | $10,108,000 | +45.8% | 4,930,882 | +14.5% | 2.07% | +43.6% |
| PLXS | Buy | PLEXUS CORPequity | $10,102,000 | +28.2% | 110,000 | +10.0% | 2.07% | +26.2% |
| NUAN | Sell | NUANCE COMMUNICATIONS INCequity | $9,819,000 | -60.7% | 225,000 | -60.9% | 2.01% | -61.3% |
| SIBN | Sell | SI-BONE INCequity | $8,748,000 | -22.2% | 275,000 | -28.6% | 1.79% | -23.5% |
| HSIC | New | HENRY SCHEIN INCequity | $7,616,000 | – | 110,000 | +100.0% | 1.56% | – |
| ANGO | Sell | ANGIODYNAMICS INCequity | $7,605,000 | +36.9% | 325,000 | -9.7% | 1.56% | +34.7% |
| MSON | Buy | MISONIX INCequity | $6,857,000 | +82.3% | 350,000 | +16.7% | 1.41% | +79.5% |
| MSACU | New | MEDICUS SCIENCES ACQUISITIONequity unit | $5,910,000 | – | 600,000 | +100.0% | 1.21% | – |
| HCA | New | HCA HEALTHCARE INCequity | $5,650,000 | – | 30,000 | +100.0% | 1.16% | – |
| VRTX | Sell | VERTEX PHARMACEUTICALS INCequity | $5,372,000 | -44.0% | 25,000 | -40.5% | 1.10% | -44.9% |
| HEC | New | HUDSON EXECUTIVE INVEST-CL Aequity | $4,960,000 | – | 500,000 | +100.0% | 1.02% | – |
| INMD | Sell | INMODE LTDequity | $4,548,000 | +9.7% | 62,850 | -30.2% | 0.93% | +8.0% |
| Buy | DERMTECH INCequity | $4,266,000 | +434.6% | 84,000 | +236.0% | 0.88% | +427.1% | |
| UNH | New | UNITEDHEALTH GROUP INCequity | $3,721,000 | – | 10,000 | +100.0% | 0.76% | – |
| ISEE | Sell | IVERIC BIO INCequity | $3,554,000 | -38.9% | 575,000 | -32.4% | 0.73% | -39.8% |
| VTRS | Sell | VIATRIS INCequity | $3,493,000 | -58.3% | 250,000 | -44.4% | 0.72% | -59.0% |
| EVH | New | EVOLENT HEALTH INC - Aequity | $2,525,000 | – | 125,000 | +100.0% | 0.52% | – |
| ELY | New | CALLAWAY GOLF COMPANYequity | $2,167,000 | – | 81,000 | +100.0% | 0.44% | – |
| AYRWF | New | AYR WELLNESS INCequity | $1,657,000 | – | 55,000 | +100.0% | 0.34% | – |
| New | ARKG US 04/16/21 P90put | $1,625,000 | – | 3,000 | +100.0% | 0.33% | – | |
| XERS | New | XERIS PHARMACEUTICALS INCequity | $1,579,000 | – | 350,000 | +100.0% | 0.32% | – |
| CMIIU | New | CM LIFE SCIENCES II INCequity unit | $1,280,000 | – | 100,000 | +100.0% | 0.26% | – |
| New | TERRASCEND CORPequity | $1,273,000 | – | 125,000 | +100.0% | 0.26% | – | |
| PRGO | Sell | PERRIGO CO PLCequity | $1,012,000 | -93.9% | 25,000 | -93.3% | 0.21% | -94.0% |
| CERS | New | CERUS CORPequity | $902,000 | – | 150,000 | +100.0% | 0.18% | – |
| Sell | JNJ US 04/16/21 C160call | $815,000 | +3.8% | 1,500 | -62.5% | 0.17% | +1.8% | |
| Buy | GLD US 09/17/21 C200call | $788,000 | -81.2% | 8,000 | +33.3% | 0.16% | -81.5% | |
| OPTN | Sell | OPTINOSE INCequity | $646,000 | -92.3% | 175,000 | -91.1% | 0.13% | -92.4% |
| New | XBI US 04/16/21 P140put | $643,000 | – | 1,000 | +100.0% | 0.13% | – | |
| AAT | New | AMERICAN ASSETS TRUST INCequity | $389,000 | – | 12,000 | +100.0% | 0.08% | – |
| NOC | New | NORTHROP GRUMMAN CORPequity | $388,000 | – | 1,200 | +100.0% | 0.08% | – |
| New | CTLT US 04/16/21 P120put | $363,000 | – | 250 | +100.0% | 0.07% | – | |
| CALX | New | CALIX NETWORKS INCequity | $347,000 | – | 10,000 | +100.0% | 0.07% | – |
| CCJ | New | CAMECO CORPequity | $332,000 | – | 20,000 | +100.0% | 0.07% | – |
| New | SPY US 04/16/21 P380put | $319,000 | – | 2,100 | +100.0% | 0.06% | – | |
| New | CVS US 04/16/21 C73call | $292,000 | – | 1,000 | +100.0% | 0.06% | – | |
| New | TLT US 05/21/21 C145call | $281,000 | – | 5,500 | +100.0% | 0.06% | – | |
| SONO | New | SONOS INCequity | $262,000 | – | 7,000 | +100.0% | 0.05% | – |
| FSLR | New | FIRST SOLAR INCequity | $218,000 | – | 2,500 | +100.0% | 0.04% | – |
| Buy | TNDM US 04/16/21 P80put | $193,000 | +7.2% | 3,500 | +133.3% | 0.04% | +5.3% | |
| RYI | New | RYERSON INCequity | $170,000 | – | 10,000 | +100.0% | 0.04% | – |
| HMHC | New | HOUGHTON MIFFLIN HARCOURT COequity | $152,000 | – | 20,000 | +100.0% | 0.03% | – |
| New | BSX US 04/16/21 C38call | $120,000 | – | 1,000 | +100.0% | 0.02% | – | |
| MCFT | New | MASTERCRAFT BOAT HOLDINGS INCequity | $120,000 | – | 4,500 | +100.0% | 0.02% | – |
| New | XLB210401C70.00call | $94,000 | – | 100 | +100.0% | 0.02% | – | |
| New | XLY210401C150.00call | $90,000 | – | 50 | +100.0% | 0.02% | – | |
| New | MDT US 04/16/21 C125call | $68,000 | – | 2,500 | +100.0% | 0.01% | – | |
| MTW | New | MANITOWOC COMPANY INCequity | $52,000 | – | 2,500 | +100.0% | 0.01% | – |
| New | CALL FB APR 305.0000 04/16/2021call | $38,000 | – | 100 | +100.0% | 0.01% | – | |
| Sell | VTRS US 04/16/21 C21call | $3,000 | -99.8% | 3,000 | -40.0% | 0.00% | -99.7% | |
| New | CALL LRCX APR 610.0000 04/01/2021call | $3,000 | – | 20 | +100.0% | 0.00% | – | |
| New | IWM US 04/01/21 P205put | $4,000 | – | 4,000 | +100.0% | 0.00% | – | |
| New | TTI210618C5.00call | $1,000 | – | 263 | +100.0% | 0.00% | – | |
| Exit | PRGO US 01/15/21 C50call | $0 | – | -1,500 | -100.0% | -0.00% | – | |
| Exit | TLT US 01/15/21 P159put | $0 | – | -2,000 | -100.0% | -0.10% | – | |
| SSPK | Exit | SILVER SPIKE ACQUISITION-Aequity | $0 | – | -50,000 | -100.0% | -0.14% | – |
| SRSA | Exit | SARISSA CAPITAL ACQUISITIONequity unit | $0 | – | -125,000 | -100.0% | -0.28% | – |
| MRVI | Exit | MARAVAI LIFESCIENCES HLDGS-Aequity | $0 | – | -50,000 | -100.0% | -0.29% | – |
| Exit | IWO US 01/15/21 P280put | $0 | – | -3,000 | -100.0% | -0.40% | – | |
| CLVR | Exit | CLEVER LEAVES HOLDINGS INCequity | $0 | – | -300,000 | -100.0% | -0.55% | – |
| TRHC | Exit | TABULA RASA HEALTHCARE INCequity | $0 | – | -80,000 | -100.0% | -0.70% | – |
| EW | Exit | EDWARDS LIFESCIENCES CORPequity | $0 | – | -50,000 | -100.0% | -0.92% | – |
| PLNT | Exit | PLANET FITNESS INC - CL Aequity | $0 | – | -75,000 | -100.0% | -1.16% | – |
| IPOB | Exit | SOCIAL CAPITAL HEDOSOPHIA-Aequity | $0 | – | -450,000 | -100.0% | -1.49% | – |
| PHR | Exit | PHREESIA INCequity | $0 | – | -175,000 | -100.0% | -1.92% | – |
| SNRHU | Exit | SENIOR CONNECT ACQUISITION Cequity unit | $0 | – | -950,000 | -100.0% | -2.05% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2021-05-12
Top long-term holdings
| Name | Quarters owned | Latest quarter owned | Max weighting |
|---|---|---|---|
| VERADIGM ORD | 32 | Q3 2023 | 13.9% |
| STREAMLINE HEALTH SOLUTIONS ORD | 30 | Q3 2023 | 4.0% |
| ATRICURE ORD | 29 | Q3 2023 | 7.6% |
| PACIRA PHARMACEUTICALS INC | 27 | Q1 2023 | 12.1% |
| LANTHEUS HOLDINGS ORD | 25 | Q4 2022 | 9.6% |
| MEDTRONIC PLC | 21 | Q1 2022 | 12.7% |
| RIGEL PHARMACEUTICALS ORD | 21 | Q2 2023 | 8.0% |
| BIO RAD LABORATORIES CL A ORD | 19 | Q2 2023 | 10.0% |
| HOLOGIC INC | 17 | Q1 2022 | 6.5% |
| SPY US 10/21/16 P210 | 17 | Q3 2023 | 41.5% |
View Tamarack Advisers, LP's complete holdings history.
Latest significant ownerships (13-D/G)
| Filed | Shares | Percentage | |
|---|---|---|---|
| STREAMLINE HEALTH SOLUTIONS INC. | June 22, 2023 | 5,514,515 | 9.4% |
| IVERIC bio, Inc. | February 16, 2021 | 850,000 | 0.1% |
| Correvio Pharma Corp. | February 14, 2020 | 2,500,000 | 4.9% |
| OBALON THERAPEUTICS INC | February 14, 2020 | ? | ? |
| Correvio Pharma Corp. | February 15, 2019 | ? | ? |
| Corium International, Inc. | February 15, 2017 | 737,242 | 3.3% |
| ENDOLOGIX INC /DE/Sold out | February 15, 2017 | 0 | 0.0% |
| Imprivata IncSold out | February 15, 2017 | 0 | 0.0% |
View Tamarack Advisers, LP's complete significant-ownership history.
Latest filings
| Type | Filed |
|---|---|
| 13F-HR | 2024-02-09 |
| 13F-HR | 2023-11-16 |
| 13F-HR | 2023-08-10 |
| SC 13D/A | 2023-06-22 |
| 13F-HR | 2023-05-11 |
| 13F-HR | 2023-02-13 |
| SC 13D/A | 2022-12-01 |
| 13F-HR | 2022-11-15 |
| 13F-HR | 2022-08-16 |
| 13F-HR | 2022-05-11 |
View Tamarack Advisers, LP's complete filings history.
All filings
- Holdings (13F-HR)
- Significant ownership (13-D/G)
- Insider transactions (4, 5, 6)
- Events (8-K)
- Shareholder votes (proxy)
View complete filings history.