Tamarack Advisers, LP
Filing Date
Global Rank
#5,734
/ 6,895
▼ 3004
Top Industry
Drug Manufacturers - Specialty & Generic
28.2%
3Y Alpha vs SPY
-13.7%
Period ended 2 years ago
Filed Nov 16, 2023 · 2y
15 quarters · since Mar 2020
Clone Performance
Jun 2023–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+22.7%
SPY
+76.3%
Annualised alpha
-13.7%
Max drawdown
−27.4%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
12 positions · as of Sep 30, 2023 · Δ vs Jun 30, 2023Top Position
17.4%
−44.2 pts
Top 5
64.4%
−10.1 pts
Top 10
94.5%
+9.4 pts
HHI
1,085
Diversified−2,793
Portfolio Trend
15 quarters · across all stocks
Sector Breakdown
As of Sep 30, 2023| Sector | % Portfolio | Value |
|---|---|---|
| Healthcare | 100.0% | $38,298,291 |
Last Quarter's Activity
Export CSVTrimmed
Positions the filer reduced
10 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| CERS | Cerus Corp | −1,100,000 | 650,000 | $1,053,000 | |
| VTRS | Viatris Inc | −575,000 | 675,000 | $6,655,500 | |
| COLL | Collegium Pharmaceutical, Inc | −190,000 | 185,000 | $4,134,750 | |
| SIBN | SI-BONE, Inc. | −150,000 | 50,000 | $1,062,000 | |
| THC | Tenet Healthcare Corp | −75,000 | 20,000 | $1,317,800 | |
| PHR | Phreesia, Inc. | −75,000 | 215,000 | $4,016,200 | |
| SNY | Sanofi | −65,000 | 30,000 | $1,609,200 | |
| TCMD | Tactile Systems Technology Inc | −60,778 | 239,222 | $3,361,069 | |
| ATRC | AtriCure, Inc. | −45,000 | 40,000 | $1,752,000 | |
| MCK | Mckesson Corp | −3,000 | 11,000 | $4,783,350 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarterNo qualifying positions this quarter.
Sold Out
Positions the filer fully exited
14 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| SPY | Spdr S&P 500 ETF Trust | 400,000 | $177,312,000 | |
| BMRN | Biomarin Pharmaceutical Inc | 75,000 | $6,501,000 | |
| ABT | Abbott Laboratories | 45,000 | $4,905,900 | |
| RDNT | RadNet, Inc. | 140,000 | $4,566,800 | |
| TEVA | Teva Pharmaceutical Industries Ltd | 450,000 | $3,388,500 | |
| ALKS | Alkermes plc. | 100,000 | $3,130,000 | |
| INMD | InMode Ltd. | 75,000 | $2,801,250 | |
| IRWD | Ironwood Pharmaceuticals Inc | 225,000 | $2,394,000 | |
| DXCM | Dexcom Inc | 16,000 | $2,056,160 | |
| DCGO | DocGo Inc. | 135,000 | $1,264,950 | |
| SPB | Spectrum Brands Holdings, Inc. | 10,000 | $780,500 | |
| BIO | Bio-Rad Laboratories, Inc. | 2,000 | $758,240 | |
| TECH | BIO-TECHNE Corp | 4,000 | $326,520 | |
| KVUE | Kenvue Inc. | 1,000 | $26,420 | |
| No positions match the current search. | ||||
12 positions ·
$38,298,291 total
· as of Sep 30, 2023
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| VTRS |
Viatris Inc
Healthcare
|
Reduced | 675,000 | $6,655,500 | 17.38% | |
| BDX |
Becton Dickinson & Co
Healthcare
|
Added | 25,000 | $5,081,172 | 13.27% | |
| MCK |
Mckesson Corp
Healthcare
|
Reduced | 11,000 | $4,783,350 | 12.49% | |
| COLL |
Collegium Pharmaceutical, Inc
Healthcare
|
Reduced | 185,000 | $4,134,750 | 10.80% | |
| PHR |
Phreesia, Inc.
Healthcare
|
Reduced | 215,000 | $4,016,200 | 10.49% | |
| ANGO |
Angiodynamics Inc
Healthcare
|
Added | 475,000 | $3,472,250 | 9.07% | |
| TCMD |
Tactile Systems Technology Inc
Healthcare
|
Reduced | 239,222 | $3,361,069 | 8.78% | |
| ATRC |
AtriCure, Inc.
Healthcare
|
Reduced | 40,000 | $1,752,000 | 4.57% | |
| SNY |
Sanofi
Healthcare
|
Reduced | 30,000 | $1,609,200 | 4.20% | |
| THC |
Tenet Healthcare Corp
Healthcare
|
Reduced | 20,000 | $1,317,800 | 3.44% | |
| SIBN |
SI-BONE, Inc.
Healthcare
|
Reduced | 50,000 | $1,062,000 | 2.77% | |
| CERS |
Cerus Corp
Healthcare
|
Reduced | 650,000 | $1,053,000 | 2.75% |