Rhenman & Partners Asset Management Ab
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$810.5M
Q ending 2026-03-31
Prior quarter
$1.07B
Q ending 2025-12-31
Change
-24.3% QoQ · -6.8% YoY
Positions
86
reported holdings
Largest positions
All 86 reported positions, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Boston Scientific Corp | BSX | Shares | $39.2M | 625K |
| Regeneron Pharmaceuticals | REGN | Shares | $37.2M | 48K |
| Lilly Eli & Co | LLY | Shares | $31.0M | 34K |
| Insmed Inc | INSM | Shares | $26.1M | 160K |
| Cvs Health Corp | CVS | Shares | $24.2M | 337K |
| Gilead Sciences Inc | GILD | Shares | $23.4M | 168K |
| Thermo Fisher Scientific Inc | TMO | Shares | $20.3M | 41K |
| Biogen Inc | BIIB | Shares | $20.0M | 109K |
| Vertex Pharmaceuticals Inc | VRTX | Shares | $19.4M | 43K |
| Alignment Healthcare Inc | ALHC | Shares | $18.6M | 1.1M |
| Intuitive Surgical Inc | ISRG | Shares | $17.0M | 37K |
| Cencora Inc | COR | Shares | $16.5M | 52K |
| Stryker Corporation | SYK | Shares | $15.7M | 48K |
| Abbvie Inc | ABBV | Shares | $15.6M | 72K |
| Veeva Sys Inc | VEEV | Shares | $15.0M | 85K |
| Mckesson Corp | MCK | Shares | $14.6M | 17K |
| Jazz Pharmaceuticals Plc | Shares | $14.3M | 76K | |
| Guardant Health Inc | GH | Shares | $13.4M | 145K |
| Neurocrine Biosciences Inc | NBIX | Shares | $13.3M | 101K |
| Edwards Lifesciences Corp | EW | Shares | $13.1M | 163K |
| Madrigal Pharmaceuticals Inc | MDGL | Shares | $12.6M | 24K |
| United Health Group Inc | UNH | Shares | $12.3M | 46K |
| Procept Biorobotics Corp | PRCT | Shares | $11.9M | 475K |
| Biomarin Pharmaceutical Inc | BMRN | Shares | $11.7M | 207K |
| Abbott Laboratories | ABT | Shares | $11.5M | 112K |
| Alnylam Pharmaceuticals Inc | ALNY | Shares | $11.4M | 34K |
| Royalty Pharma Plc | Shares | $11.2M | 233K | |
| Axsome Therapeutics Inc | AXSM | Shares | $10.8M | 64K |
| Natera Inc | NTRA | Shares | $10.3M | 52K |
| Tenet Healthcare Corp | THC | Shares | $10.2M | 54K |
| Adaptive Biotechnologies Cor | ADPT | Shares | $10.0M | 720K |
| Livanova Plc | Shares | $9.9M | 155K | |
| Elevance Health Inc | ELV | Shares | $9.5M | 32K |
| Arrowhead Pharmaceuticals In | ARWR | Shares | $9.1M | 145K |
| Glaukos Corp | GKOS | Shares | $9.0M | 84K |
| Iqvia Hldgs Inc | IQV | Shares | $9.0M | 53K |
| Syndax Pharmaceuticals Inc | SNDX | Shares | $8.9M | 379K |
| Mirum Pharmaceuticals Inc | MIRM | Shares | $8.6M | 93K |
| Ideaya Biosciences Inc | IDYA | Shares | $8.5M | 256K |
| Pennant Group Inc | PNTG | Shares | $8.4M | 275K |
| Nuvalent Inc | 5AX | Shares | $8.3M | 81K |
| Waystar Hldg Corp | WAY | Shares | $8.3M | 343K |
| Anteris Technologies Global | AVR | Shares | $8.0M | 1.4M |
| Medtronic Plc | Shares | $7.8M | 90K | |
| Oscar Health Inc | OSCR | Shares | $7.6M | 660K |
| Iovance Biotherapeutics Inc | IOVA | Shares | $7.2M | 2.1M |
| Mineralys Therapeutics Inc | MLYS | Shares | $7.1M | 263K |
| Ionis Pharmaceuticals Inc | IONS | Shares | $7.0M | 93K |
| Dianthus Therapeutics Inc | DNTH | Shares | $6.9M | 82K |
| Bridgebio Pharma Inc | BBIO | Shares | $6.7M | 91K |
| Apogee Therapeutics Inc | APGE | Shares | $6.3M | 75K |
| Structure Therapeutics Inc | GPCR | Shares | $6.2M | 128K |
| Cardinal Health Inc | CAH | Shares | $5.7M | 27K |
| Encompass Health Corp | EHC | Shares | $5.4M | 56K |
| Amgen Inc | AMGN | Shares | $5.3M | 15K |
| Viking Therapeutics Inc | VKTX | Shares | $5.2M | 160K |
| Nurix Therapeutics Inc | NRIX | Shares | $4.9M | 314K |
| Alkermes Plc | Shares | $4.7M | 133K | |
| Charles Riv Labs Intl Inc | CRL | Shares | $4.5M | 26K |
| Moonlake Immunotherapeutics | MLTX | Shares | $4.5M | 240K |
| Krystal Biotech Inc | KRYS | Shares | $4.3M | 17K |
| Doximity Inc | DOCS | Shares | $4.3M | 184K |
| Nektar Therapeutics | NKTR | Shares | $4.2M | 59K |
| Denali Therapeutics Inc | DNLI | Shares | $3.8M | 199K |
| Stevanato Group S P A | Shares | $3.8M | 275K | |
| Relay Therapeutics Inc | RLAY | Shares | $3.6M | 360K |
| Cooper Cos Inc | COO | Shares | $3.6M | 50K |
| Sionna Therapeutics Inc | SION | Shares | $3.5M | 88K |
| Ascendis Pharma A/S | Shares | $3.4M | 15K | |
| Danaher Corporation | DHR | Shares | $3.4M | 18K |
| Insulet Corp | PODD | Shares | $2.9M | 14K |
| Agilent Technologies Inc | A | Shares | $2.8M | 25K |
| Stoke Therapeutics Inc | STOK | Shares | $2.7M | 83K |
| Esperion Therapeutics Inc Ne | Shares | $2.7M | 985K | |
| Immunocore Hldgs Plc | IMCR | Shares | $2.6M | 86K |
| Ocular Therapeutix Inc | OCUL | Shares | $2.6M | 305K |
| Steris Plc | Shares | $2.5M | 12K | |
| Vericel Corp | VCEL | Shares | $2.3M | 70K |
| Kura Oncology In | KURA | Shares | $2.2M | 272K |
| The Cigna Group | CI | Shares | $2.1M | 8K |
| Brightspring Health Svcs Inc | BTSG | Shares | $2.1M | 50K |
| Xenon Pharmaceuticals Inc | XENE | Shares | $1.6M | 28K |
| Align Technology Inc | ALGN | Shares | $1.3M | 8K |
| Novocure Ltd | Shares | $763K | 70K | |
| Alphatec Hldgs Inc | ATEC | Shares | $762K | 70K |
| Compass Therapeutics Inc | CMPX | Shares | $609K | 115K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.