Holdings of BlackRock Health Sciences Opportunities Portfolio
BlackRock Funds · 140 declared positions · as of Feb 27, 2026
Original filing · Net assets 6.5B $ · Ten largest lines: 48.2 % of the equity sleeve
Country breakdown
Shares computed on the equity sleeve, the only part this site carries.
| Country | Lines | Value (USD) | Share |
|---|---|---|---|
| US | 124 | 5.9B $ | 93.40 % |
| IL | 1 | 117.7M $ | 1.85 % |
| GB | 2 | 95.9M $ | 1.51 % |
| NL | 1 | 93.1M $ | 1.46 % |
| CH | 2 | 34.7M $ | 0.55 % |
| BE | 2 | 17.5M $ | 0.27 % |
| BM | 1 | 13.6M $ | 0.21 % |
| JP | 1 | 13.3M $ | 0.21 % |
| CA | 1 | 8M $ | 0.13 % |
| JE | 1 | 7.9M $ | 0.12 % |
| SG | 1 | 4.8M $ | 0.08 % |
| DE | 1 | 4.6M $ | 0.07 % |
Sector breakdown is published in no regulatory filing: neither Form N-PORT nor the LEI reference data carries an activity code. It is absent rather than estimated.
Positions
| Company | Shares | Value (USD) | Weight |
|---|---|---|---|
| Eli Lilly & Co | 704,342 | 741M $ | 11.34 % |
| Johnson & Johnson | 2,688,331 | 667.9M $ | 10.22 % |
| AbbVie Inc | 1,157,700 | 268.7M $ | 4.11 % |
| Gilead Sciences Inc | 1,736,422 | 258.6M $ | 3.96 % |
| Merck & Co Inc | 1,871,806 | 231.8M $ | 3.55 % |
| Amgen Inc | 588,158 | 228.3M $ | 3.49 % |
| UnitedHealth Group Inc | 677,911 | 198.8M $ | 3.04 % |
| Intuitive Surgical Inc | 319,051 | 160.6M $ | 2.46 % |
| Abbott Laboratories | 1,361,894 | 158.5M $ | 2.43 % |
| Danaher Corp | 716,192 | 150.9M $ | 2.31 % |
| Thermo Fisher Scientific Inc | 285,286 | 148.7M $ | 2.28 % |
| Edwards Lifesciences Corp | 1,710,975 | 147.9M $ | 2.26 % |
| Vertex Pharmaceuticals Inc | 273,318 | 135.8M $ | 2.08 % |
| Medtronic PLC | 1,336,319 | 130.5M $ | 2.00 % |
| Stryker Corp | 333,071 | 129.1M $ | 1.98 % |
| Teva Pharmaceutical Industries Ltd | 3,475,093 | 117.7M $ | 1.80 % |
| Cencora Inc | 265,860 | 98.9M $ | 1.51 % |
| Boston Scientific Corp | 1,284,362 | 98.7M $ | 1.51 % |
| AstraZeneca PLC | 449,772 | 94.6M $ | 1.45 % |
| Argenx SE | 121,340 | 93.1M $ | 1.42 % |
| McKesson Corp | 79,662 | 78.7M $ | 1.20 % |
| Biogen Inc | 364,188 | 69.9M $ | 1.07 % |
| Alnylam Pharmaceuticals Inc | 207,149 | 69M $ | 1.06 % |
| Regeneron Pharmaceuticals, Inc. | 87,659 | 68.5M $ | 1.05 % |
| Bristol-Myers Squibb Co | 1,097,084 | 68.4M $ | 1.05 % |
| HCA Healthcare Inc | 125,705 | 66.6M $ | 1.02 % |
| Exact Sciences Corp | 548,069 | 56.7M $ | 0.87 % |
| Rhythm Pharmaceuticals Inc | 538,793 | 50M $ | 0.76 % |
| IDEXX Laboratories Inc | 74,621 | 49M $ | 0.75 % |
| Dexcom Inc | 663,769 | 48.7M $ | 0.75 % |
| Penumbra Inc | 133,216 | 45.9M $ | 0.70 % |
| Insmed Inc | 301,353 | 45M $ | 0.69 % |
| Novartis AG | 251,660 | 42.4M $ | 0.65 % |
| Incyte Corp | 396,174 | 40.1M $ | 0.61 % |
| Medline Inc | 842,573 | 40M $ | 0.61 % |
| Waters Corp | 124,449 | 39.7M $ | 0.61 % |
| Protagonist Therapeutics Inc | 370,408 | 34.1M $ | 0.52 % |
| Agilent Technologies Inc | 271,239 | 32.9M $ | 0.50 % |
| Pfizer Inc | 1,184,622 | 32.8M $ | 0.50 % |
| Nuvalent Inc | 315,841 | 32.2M $ | 0.49 % |
| Cogent Biosciences Inc | 820,419 | 31.9M $ | 0.49 % |
| Guardant Health Inc | 336,665 | 31.6M $ | 0.48 % |
| Revolution Medicines Inc | 302,995 | 30.9M $ | 0.47 % |
| Moderna Inc | 560,799 | 30M $ | 0.46 % |
| Galderma Group AG | 153,331 | 28.9M $ | 0.44 % |
| CVS Health Corp | 359,282 | 28.7M $ | 0.44 % |
| Elevance Health Inc | 88,605 | 28.4M $ | 0.43 % |
| United Therapeutics Corp | 55,689 | 28.1M $ | 0.43 % |
| Natera Inc | 130,279 | 27.1M $ | 0.41 % |
| IQVIA Holdings Inc | 141,190 | 25.2M $ | 0.39 % |
| Cooper Cos Inc/The | 293,135 | 24.5M $ | 0.38 % |
| Centene Corp | 545,618 | 24.5M $ | 0.37 % |
| BioMarin Pharmaceutical Inc | 322,635 | 19.9M $ | 0.30 % |
| Illumina Inc | 145,933 | 19.6M $ | 0.30 % |
| GE HealthCare Technologies Inc | 226,856 | 19.1M $ | 0.29 % |
| Bruker Corp | 471,949 | 18.9M $ | 0.29 % |
| Veeva Systems Inc | 99,401 | 18.1M $ | 0.28 % |
| Quest Diagnostics Inc | 85,193 | 18.1M $ | 0.28 % |
| Repligen Corp | 136,584 | 17.6M $ | 0.27 % |
| Stoke Therapeutics Inc | 473,152 | 17.2M $ | 0.26 % |
| STERIS PLC | 64,935 | 16.4M $ | 0.25 % |
| UCB SA | 53,577 | 16.1M $ | 0.25 % |
| Terns Pharmaceuticals Inc | 367,842 | 15.5M $ | 0.24 % |
| West Pharmaceutical Services Inc | 60,429 | 15.4M $ | 0.24 % |
| Summit Therapeutics Inc | 924,148 | 15.3M $ | 0.23 % |
| Viridian Therapeutics Inc | 516,095 | 15.2M $ | 0.23 % |
| Humana Inc | 78,693 | 15M $ | 0.23 % |
| Viking Therapeutics Inc | 425,324 | 14.4M $ | 0.22 % |
| Apogee Therapeutics Inc | 202,950 | 14.2M $ | 0.22 % |
| Ionis Pharmaceuticals Inc | 170,008 | 13.8M $ | 0.21 % |
| LB Pharmaceuticals Inc | 567,627 | 13.6M $ | 0.21 % |
| Bridgebio Pharma Inc | 204,874 | 13.6M $ | 0.21 % |
| Roivant Sciences Ltd | 468,548 | 13.6M $ | 0.21 % |
| Daiichi Sankyo Co Ltd | 673,800 | 13.3M $ | 0.20 % |
| Elanco Animal Health Inc | 483,249 | 12.8M $ | 0.20 % |
| Cytokinetics Inc | 184,777 | 11.5M $ | 0.18 % |
| Bio-Techne Corp | 193,925 | 11.4M $ | 0.18 % |
| MBX Biosciences Inc | 333,350 | 10.9M $ | 0.17 % |
| Arcellx Inc | 92,964 | 10.6M $ | 0.16 % |
| Glaukos Corp | 87,150 | 10.5M $ | 0.16 % |
| Hologic Inc | 138,368 | 10.4M $ | 0.16 % |
| Agios Pharmaceuticals Inc | 344,876 | 10.4M $ | 0.16 % |
| Neurocrine Biosciences Inc | 78,721 | 10.4M $ | 0.16 % |
| Exelixis Inc | 231,652 | 10.2M $ | 0.16 % |
| Charles River Laboratories International Inc | 56,177 | 10M $ | 0.15 % |
| Scholar Rock Holding Corp | 226,209 | 10M $ | 0.15 % |
| Eikon Therapeutics Inc | 722,389 | 10M $ | 0.15 % |
| Erasca Inc | 709,864 | 9.7M $ | 0.15 % |
| Arcus Biosciences Inc | 455,542 | 9.3M $ | 0.14 % |
| Alumis Inc | 293,662 | 8.7M $ | 0.13 % |
| Maze Therapeutics Inc | 184,453 | 8.4M $ | 0.13 % |
| Ventyx Biosciences Inc | 590,649 | 8.3M $ | 0.13 % |
| Bright Minds Biosciences Inc | 95,655 | 8M $ | 0.12 % |
| Novocure Ltd | 574,295 | 7.9M $ | 0.12 % |
| Edgewise Therapeutics Inc | 256,164 | 7.8M $ | 0.12 % |
| RadNet Inc | 108,100 | 7.5M $ | 0.12 % |
| AVIDITY BIOSCIENCES INC | 99,483 | 7.2M $ | 0.11 % |
| Intellia Therapeutics Inc | 518,392 | 7.1M $ | 0.11 % |
| Enanta Pharmaceuticals Inc | 492,001 | 7M $ | 0.11 % |
| Denali Therapeutics Inc | 329,179 | 7M $ | 0.11 % |
| BridgeBio Oncology Therapeutics Inc | 673,766 | 6.8M $ | 0.10 % |
| Oruka Therapeutics Inc | 185,015 | 6.4M $ | 0.10 % |
| Immunome Inc | 288,792 | 6.3M $ | 0.10 % |
| Mettler-Toledo International Inc | 4,594 | 6.3M $ | 0.10 % |
| Olema Pharmaceuticals Inc | 253,931 | 6.1M $ | 0.09 % |
| Immunocore Holdings PLC | 188,691 | 6.1M $ | 0.09 % |
| Dianthus Therapeutics Inc | 108,033 | 6M $ | 0.09 % |
| Disc Medicine Inc | 86,558 | 5.8M $ | 0.09 % |
| Alcon AG | 65,553 | 5.7M $ | 0.09 % |
| PTC Therapeutics Inc | 82,970 | 5.7M $ | 0.09 % |
| Monte Rosa Therapeutics Inc | 318,162 | 5.6M $ | 0.09 % |
| Vaxcyte Inc | 87,540 | 5.4M $ | 0.08 % |
| Aktis Oncology Inc | 266,503 | 5.4M $ | 0.08 % |
| Kodiak Sciences Inc | 188,769 | 5.1M $ | 0.08 % |
| Kymera Therapeutics Inc | 54,173 | 4.9M $ | 0.08 % |
| WaVe Life Sciences Ltd | 345,882 | 4.8M $ | 0.07 % |
| Beam Therapeutics Inc | 168,010 | 4.8M $ | 0.07 % |
| BioNTech SE | 41,921 | 4.6M $ | 0.07 % |
| Dyne Therapeutics Inc | 278,934 | 4.4M $ | 0.07 % |
| Zealand Pharma A/S | 74,091 | 4.3M $ | 0.07 % |
| Biohaven Ltd | 348,832 | 4M $ | 0.06 % |
| CG oncology Inc | 59,514 | 3.5M $ | 0.05 % |
| KalVista Pharmaceuticals Inc | 212,587 | 3.5M $ | 0.05 % |
| Allogene Therapeutics Inc | 1,208,862 | 3.4M $ | 0.05 % |
| EyePoint Inc | 186,478 | 3.3M $ | 0.05 % |
| Upstream Bio Inc | 341,675 | 2.6M $ | 0.04 % |
| Ocular Therapeutix Inc | 258,781 | 2.3M $ | 0.04 % |
| Corvus Pharmaceuticals Inc | 110,424 | 2M $ | 0.03 % |
| REGENXBIO Inc | 214,663 | 1.9M $ | 0.03 % |
| Vor BioPharma Inc | 115,078 | 1.8M $ | 0.03 % |
| Voyager Therapeutics Inc | 371,161 | 1.5M $ | 0.02 % |
| Nyxoah SA | 337,359 | 1.4M $ | 0.02 % |
| Autolus Therapeutics PLC | 728,967 | 1.2M $ | 0.02 % |
| 4D Molecular Therapeutics Inc | 126,274 | 1.2M $ | 0.02 % |
| Orchestra BioMed Holdings Inc | 206,130 | 902.8K $ | 0.01 % |
| TScan Therapeutics Inc | 556,653 | 590.1K $ | 0.01 % |
| BLUEPRINT MEDICINES CORP | 204,909 | 204.9K $ | 0.00 % |
| MIRATI THERAPEUTICS INC | 228,510 | 180.5K $ | 0.00 % |
| Gossamer Bio Inc | 365,199 | 155.2K $ | 0.00 % |
| Atrium Therapeutics Inc | 9,948 | 146.7K $ | 0.00 % |