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Holdings (Monthly) Guide ↗

BlackRock Health Sciences Opportunities Portfolio

· BlackRock Funds
Monthly Holdings $6.0B AUM 44 positions Period May 2026 Filed Jul 27, 2026 EDGAR ↗ ← All Funds
All 44 New 25 Added 25 Reduced 20 Exited · May 2026 vs Feb 2026
# Name Ticker Since Shares Shares Δ Value Val Δ% % Port Cat
1 GALDERMA GROUP AG GALD Feb 2026 188,090 NEW $39.8M 0.67% EC
2 ROIVANT SCIENCES LTD ROIV Feb 2026 563,855 NEW $16.9M 0.29% EC
3 UCB SA UCB Feb 2026 53,577 NEW $15.7M 0.27% EC
4 MADRIGAL PHARMACEUTICALS INC MDGL May 2026 27,588 NEW $13.7M 0.23% EC
5 DAIICHI SANKYO COMPANY LTD 4568 Feb 2026 673,800 NEW $11.3M 0.19% EC
6 ADARX PHARMACEUTICALS INC 000000000 Feb 2026 769,230 NEW $10.9M 0.18% EC
7 KAILERA THERAPEUTICS INC KLRA May 2026 464,174 NEW $10.6M 0.18% EC
8 KAILERA THERAPEUTICS INC 000000000 Feb 2026 428,000 NEW $9.8M 0.17% EC
9 NOVOCURE LTD NVCR Feb 2026 574,295 NEW $9.8M 0.17% EC
10 AXSOME THERAPEUTICS INC AXSM May 2026 38,178 NEW $9.0M 0.15% EC
11 LARONDE INC 000000000 Feb 2026 386,520 NEW $7.5M 0.13% EC
12 KARTOS THERAPEUTICS INC 000000000 Feb 2026 1,233,856 NEW $7.0M 0.12% EC
13 Angitia Biopharmaceuticals Limited 000000000 Feb 2026 658,956 NEW $6.5M 0.11% EC
14 GENESIS THERAPEUTICS INC 000000000 Feb 2026 823,870 NEW $6.1M 0.10% EC
15 PALVELLA THERAPEUTICS INC PVLA May 2026 50,716 NEW $6.0M 0.10% EC
16 RELAY THERAPEUTICS INC RLAY May 2026 342,957 NEW $4.8M 0.08% EC
17 AVALO THERAPEUTICS INC AVTX May 2026 299,585 NEW $4.8M 0.08% EC
18 ALCON AG ALC Feb 2026 65,553 NEW $4.3M 0.07% EC
19 SAGIMET BIOSCIENCES INC SGMT May 2026 585,181 NEW $4.3M 0.07% EC
20 INSITRO INC 000000000 Feb 2026 592,636 NEW $4.0M 0.07% EC
21 BIOHAVEN LTD BHVN Feb 2026 348,832 NEW $3.8M 0.07% EC
22 ZEALAND PHARMA A/S ZEAL Feb 2026 74,091 NEW $3.8M 0.06% EC
23 BICARA THERAPEUTICS INC BCAX May 2026 160,104 NEW $3.5M 0.06% EC
24 QUANTA DIALYSIS TECHNOLOGIES LTD 000000000 Feb 2026 80,024,425 NEW $3.4M 0.06% EC
25 ULTRAGENYX PHARMACEUTICAL INC RARE May 2026 130,855 NEW $3.1M 0.05% EC
26 MOONLAKE IMMUNOTHERAPEUTICS MLTX May 2026 161,391 NEW $3.1M 0.05% EC
27 WAVE LIFE SCIENCES LTD WVE Feb 2026 345,882 NEW $2.3M 0.04% EC
28 DEFINIUM THERAPEUTICS INC DFTX May 2026 81,265 NEW $2.0M 0.03% EC
29 KARTOS THERAPEUTICS INC 000000000 Feb 2026 339,469 NEW $1.9M 0.03% EC
30 BRIDGEBIO ONCOLOGY THERAPEUTICS INC 000000000 Feb 2026 209,287 NEW $1.9M 0.03% EC
31 MAPLIGHT THERAPEUTICS INC MPLT May 2026 50,257 NEW $1.5M 0.02% EC
32 SYNDAX PHARMACEUTICALS INC SNDX May 2026 58,560 NEW $1.1M 0.02% EC
33 ANNEXON INC ANNX May 2026 188,611 NEW $1.0M 0.02% EC
34 NYXOAH SA NYXH Feb 2026 337,359 NEW $1.0M 0.02% EC
35 GOLDFINCH BIO INC 000000000 Feb 2026 3,115,353 NEW $935K 0.02% EC
36 EXO IMAGING INC 000000000 Feb 2026 890,877 NEW $659K 0.01% EP
37 KARTOS THERAPEUTICS INC 000000000 Feb 2026 614,446 NEW $636K 0.01% EC
38 CELLARITY INC 000000000 Feb 2026 858,333 NEW $498K 0.01% EC
39 AFFINIVAX INC 000000000 Feb 2026 122,824 NEW $450K 0.01% EC
40 EXO IMAGING INC 000000000 Feb 2026 19,083 NEW $7K 0.00% EC
41 SWIFT HEALTH SYSTEMS INC 000000000 Feb 2026 1,700 NEW $4K 0.00% EC
42 HOLOGIC INC HOLX May 2026 138,368 NEW $1K 0.00% EC
43 FREQUENCY THERAPEUTICS CVR 000000000 Feb 2026 428,010 NEW $4 0.00% EC
44 GOLDFINCH EQUITY WARRANTS 000000000 Feb 2026 403,447 NEW $4 0.00% DE