Compare fund portfolios
See how two funds' portfolios overlap. Enter two tickers:
IBRN vs IBB
Shared holdings
28
IBRN covered by IBB
19.24%
IBB covered by IBRN
19.24%
Coverage = share of one portfolio's weight reproduced by the other (overlapping positions, min weight). Top 50 positions per side shown; = held by both — hover a shared position to highlight it in both columns.
IBRN (Jan. 31, 2026)
| Security | Weight | |
|---|---|---|
| BlackRock Cash Funds: Institutional, SL Agency Shares | 11.74% | |
| PRAXIS PRECISION MEDICINES INC | 4.43% | |
| AXSOME THERAPEUTICS INC | 4.32% | |
| ALKERMES PLC | 4.02% | |
| BIOGEN INC | 3.47% | |
| SCHOLAR ROCK HOLDING CORP | 3.45% | |
| PTC THERAPEUTICS INC | 3.42% | |
| DENALI THERAPEUTICS INC | 3.27% | |
| ARGENX SE SPONSORED ADR | 3.26% | |
| ACADIA PHARMACEUTICALS INC | 3.20% | |
| XENON PHARMACEUTICALS INC | 3.19% | |
| CATALYST PHARMACEUTICALS INC | 3.12% | |
| NEUROCRINE BIOSCIENCES INC | 3.06% | |
| SUPERNUS PHARMACEUTICALS INC | 3.04% | |
| CENTESSA PHARMACEUTICALS LTD ADR | 2.73% | |
| SK BIOPHARMS. CO LTD | 2.65% | |
| EDGEWISE THERAPEUTICS INC | 2.49% | |
| AVADEL PHARMACEU | 2.33% | |
| SAREPTA THERAPEUTICS INC | 2.33% | |
| DYNE THERAPEUTICS INC | 2.17% | |
| DIANTHUS THERAPEUTICS INC | 2.17% | |
| H LUNDBECK A/S | 2.08% | |
| AXOGEN INC | 1.81% | |
| BIOARCTIC AB | 1.61% | |
| BIOHAVEN LTD | 1.48% | |
| NEUREN PHARMACEU | 1.45% | |
| TAYSHA GENE THERAPIES INC | 1.17% | |
| TOBII DYNAVOX AB | 1.10% | |
| CAPRICOR THERAPEUTICS INC | 1.02% | |
| IDORSIA LTD | 0.91% | |
| ANNEXON INC | 0.89% | |
| RAPPORT THERAPEUTICS INC | 0.87% | |
| INTEGRA LIFESCIENCES HLDS CORP | 0.85% | |
| SANBIO CO LTD | 0.80% | |
| ZYLOX-TONBRIDGE MEDICAL TECHNOLOGY CO LTD | 0.71% | |
| Bright Minds Biosciences Inc COM NEW | 0.70% | |
| MEDINCELL SA | 0.64% | |
| FULCRUM THERAPEUTICS INC | 0.60% | |
| REGENXBIO INC | 0.60% | |
| MICROPORT NEUROTECH LTD | 0.54% | |
| CERIBELL INC | 0.53% | |
| ANAVEX LIFE SCIENCES CORP | 0.49% | |
| VANDA PHARMACEUTICALS INC | 0.48% | |
| BENITEC BIOPHARMA INC | 0.46% | |
| NEUROPACE INC | 0.45% | |
| PEIJIA MEDICAL LTD | 0.44% | |
| PROTHENA CORP PLC COMMON STOCK USD.01 | 0.44% | |
| SOLID BIOSCIENCES INC | 0.43% | |
| ONCOLYS BIOPHARMA INC | 0.37% | |
| CLEARPOINT NEURO INC | 0.36% |
IBB (March 31, 2026)
| Security | Weight | |
|---|---|---|
| BlackRock Cash Funds: Institutional, SL Agency Shares | 8.81% | |
| GILEAD SCIENCES INC | 7.06% | |
| AMGEN INC | 6.84% | |
| VERTEX PHARMACEUTICALS INC | 6.79% | |
| REGENERON PHARMACEUTICALS INC | 6.58% | |
| ALNYLAM PHARMACEUTICALS INC | 3.64% | |
| INSMED INC | 2.91% | |
| ARGENX SE SPONSORED ADR | 2.80% | |
| BIOGEN INC | 2.25% | |
| NATERA INC | 2.20% | |
| UNITED THERAPEUTICS CORP DEL | 2.10% | |
| BEONE MEDICINES LTD ADR | 1.76% | |
| INCYTE CORP | 1.55% | |
| MODERNA INC | 1.54% | |
| ILLUMINA INC | 1.53% | |
| REVOLUTION MEDICINES INC | 1.40% | |
| ROIVANT SCIENCES LTD | 1.13% | |
| NEUROCRINE BIOSCIENCES INC | 1.08% | |
| GENMAB A/S -SP ADR DEPOSITARY RECEIPT | 1.07% | |
| BRIDGEBIO PHARMA INC | 1.03% | |
| IONIS PHARMACEUTICALS INC | 1.02% | |
| MEDPACE HOLDINGS INC | 0.92% | |
| MADRIGAL PHARMACEUTICALS INC | 0.91% | |
| EXELIXIS INC | 0.90% | |
| BIOMARIN PHARMACEUTICAL INC | 0.90% | |
| Ascendis Pharma A/S | 0.87% | |
| PRAXIS PRECISION MEDICINES INC | 0.71% | |
| CHARLES RIVER LABS INTL INC | 0.70% | |
| ARROWHEAD PHARMACEUTICALS INC | 0.69% | |
| VAXCYTE INC | 0.68% | |
| BIO-TECHNE CORP | 0.68% | |
| CYTOKINETICS INC | 0.66% | |
| HALOZYME THERAPEUTICS INC | 0.63% | |
| AXSOME THERAPEUTICS INC | 0.61% | |
| BIONTECH SE ADR | 0.60% | |
| KRYSTAL BIOTECH INC | 0.55% | |
| PROTAGONIST THERAPEUTICS INC | 0.53% | |
| REPLIGEN CORP | 0.52% | |
| KYMERA THERAPEUTICS INC | 0.49% | |
| ALKERMES PLC | 0.48% | |
| RHYTHM PHARMACEUTICALS INC | 0.46% | |
| Abivax SA SPONSORED ADS | 0.46% | |
| PTC THERAPEUTICS INC | 0.45% | |
| COGENT BIOSCIENCES INC | 0.44% | |
| ARCELLX INC | 0.43% | |
| TERNS PHARMACEUTICALS INC | 0.42% | |
| NUVALENT INC-A | 0.41% | |
| MIRUM PHARMACEUTICALS INC | 0.41% | |
| TEMPUS AI INC-A | 0.39% | |
| XENON PHARMACEUTICALS INC | 0.39% |
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