$274 Million is the total value of Tamarack Advisers, LP's 39 reported holdings in Q1 2023. The portfolio turnover from Q4 2022 to Q1 2023 was 52.8% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| Buy | QQQ 1Ap3 295.0 Pput | $80,232,500 | +100.9% | 250,000 | +66.7% | 29.32% | +42.6% | |
| Buy | SPY Apr3 370.0 Pput | $40,939,000 | +328.2% | 100,000 | +300.0% | 14.96% | +203.9% | |
| New | RSP Apr3 155.0 Ccall | $14,462,000 | – | 100,000 | +100.0% | 5.29% | – | |
| VTRS | Buy | VIATRIS ORDequity | $14,430,000 | +33.0% | 1,500,000 | +53.8% | 5.27% | -5.6% |
| MDRX | Buy | VERADIGM ORDequity | $12,397,500 | -1.7% | 950,000 | +32.9% | 4.53% | -30.2% |
| PHR | Buy | PHREESIA ORDequity | $10,332,800 | +12.0% | 320,000 | +12.3% | 3.78% | -20.5% |
| STRM | STREAMLINE HEALTH SOLUTIONS ORDequity | $8,875,588 | +13.9% | 4,930,882 | 0.0% | 3.24% | -19.1% | |
| COLL | Sell | COLLEGIUM PHARMACEUTICAL ORDequity | $8,516,450 | -5.1% | 355,000 | -8.3% | 3.11% | -32.7% |
| AMGN | New | AMGEN ORDequity | $7,252,500 | – | 30,000 | +100.0% | 2.65% | – |
| CERS | Sell | CERUS ORDequity | $6,682,500 | -26.8% | 2,250,000 | -10.0% | 2.44% | -48.0% |
| THC | Buy | TENET HEALTHCARE ORDequity | $5,942,000 | +28.2% | 100,000 | +5.3% | 2.17% | -9.0% |
| TCMD | Buy | TACTILE SYSTEMS TECHNOLOGY ORDequity | $5,911,200 | +101.9% | 360,000 | +41.2% | 2.16% | +43.4% |
| SIBN | Sell | SI BONE ORDequity | $5,409,250 | +20.5% | 275,000 | -16.7% | 1.98% | -14.5% |
| RDNT | Buy | RADNET ORDequity | $5,293,845 | +181.1% | 211,500 | +111.5% | 1.94% | +99.5% |
| Buy | DOCGO ORDequity | $5,276,500 | +99.0% | 610,000 | +62.7% | 1.93% | +41.3% | |
| SNY | Buy | SANOFI ADR REP 1 1/2 ORDequity | $5,169,900 | +113.5% | 95,000 | +90.0% | 1.89% | +51.6% |
| ANGO | Sell | ANGIODYNAMICS ORDequity | $4,911,500 | -27.2% | 475,000 | -3.1% | 1.80% | -48.3% |
| New | TDOC Apr3 20.0 Pput | $3,885,000 | – | 150,000 | +100.0% | 1.42% | – | |
| INMD | Buy | INMODE ORDequity | $3,675,400 | +14.4% | 115,000 | +27.8% | 1.34% | -18.9% |
| New | THC Apr3 60.0 Ccall | $2,971,000 | – | 50,000 | +100.0% | 1.09% | – | |
| RIGL | Sell | RIGEL PHARMACEUTICALS ORDequity | $2,640,000 | -23.5% | 2,000,000 | -13.0% | 0.96% | -45.7% |
| IRWD | Buy | IRONWOOD PHARMA CL A ORDequity | $2,209,200 | +1.9% | 210,000 | +20.0% | 0.81% | -27.8% |
| ASND | Sell | ASCENDIS PHARMA ADR REP ORDequity | $2,144,400 | -61.0% | 20,000 | -55.6% | 0.78% | -72.3% |
| ALKS | Sell | ALKERMES ORDequity | $2,114,250 | -70.6% | 75,000 | -72.7% | 0.77% | -79.1% |
| NEOG | Sell | NEOGEN ORDequity | $1,852,000 | -51.4% | 100,000 | -60.0% | 0.68% | -65.5% |
| ATRC | Sell | ATRICURE ORDequity | $1,673,585 | -24.6% | 40,376 | -19.2% | 0.61% | -46.5% |
| UTHR | New | UNITED THERAPEUTICS ORDequity | $1,343,760 | – | 6,000 | +100.0% | 0.49% | – |
| FENC | Sell | FENNEC PHARMACEUTICALS ORDequity | $1,241,344 | -39.3% | 149,200 | -30.0% | 0.45% | -56.9% |
| Buy | SOMALOGIC CL A ORDequity | $1,211,250 | +93.0% | 475,000 | +90.0% | 0.44% | +37.2% | |
| MCK | New | MCKESSON ORDequity | $1,068,150 | – | 3,000 | +100.0% | 0.39% | – |
| SEM | New | SELECT MEDICAL HOLDINGS ORDequity | $646,250 | – | 25,000 | +100.0% | 0.24% | – |
| OLK | New | OLINK HOLDING AB PUBL ADRequity | $642,105 | – | 28,500 | +100.0% | 0.24% | – |
| MAXCYTE ORDequity | $495,000 | -9.3% | 100,000 | 0.0% | 0.18% | -35.6% | ||
| ICUI | Sell | ICU MEDICAL ORDequity | $494,880 | -37.2% | 3,000 | -40.0% | 0.18% | -55.3% |
| BIO | New | BIO RAD LABORATORIES CL A ORDequity | $479,020 | – | 1,000 | +100.0% | 0.18% | – |
| PCRX | Sell | PACIRA BIOSCIENCES ORDequity | $408,100 | -89.4% | 10,000 | -90.0% | 0.15% | -92.5% |
| NSTG | Sell | NANOSTRING TECHNOLOGIES ORDequity | $247,500 | +3.5% | 25,000 | -16.7% | 0.09% | -26.8% |
| TECH | New | BIO TECHNE ORDequity | $74,190 | – | 1,000 | +100.0% | 0.03% | – |
| New | SOMALOGIC EQY WARRANTwarrant | $51,000 | – | 20,000 | +100.0% | 0.02% | – | |
| Exit | SOMALOGIC EQY WARRANTcall | $0 | – | -20,000 | -100.0% | -0.03% | – | |
| CDNA | Exit | CAREDX ORDequity | $0 | – | -30,000 | -100.0% | -0.18% | – |
| PLXS | Exit | PLEXUS ORDequity | $0 | – | -15,500 | -100.0% | -0.82% | – |
| TPB | Exit | TURNING POINT BRANDS ORDequity | $0 | – | -125,000 | -100.0% | -1.39% | – |
| MRK | Exit | MERCK & CO ORDequity | $0 | – | -25,000 | -100.0% | -1.43% | – |
| LNTH | Exit | LANTHEUS HOLDINGS ORDequity | $0 | – | -105,000 | -100.0% | -2.76% | – |
| BIIB | Exit | BIOGEN ORDequity | $0 | – | -20,000 | -100.0% | -2.85% | – |
| Exit | BDX Jan3 260.0 Pput | $0 | – | -25,000 | -100.0% | -3.27% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2023-05-11
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.