Compare fund portfolios

See how two funds' portfolios overlap. Enter two tickers:

vs

IBB vs JAFMX

Shared holdings
91
IBB covered by JAFMX
33.20%
JAFMX covered by IBB
33.20%

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.

IBB (March 31, 2026)

SecurityWeight
BlackRock Cash Funds: Institutional, SL Agency Shares8.81%
GILEAD SCIENCES INC7.06%
AMGEN INC6.84%
VERTEX PHARMACEUTICALS INC6.79%
REGENERON PHARMACEUTICALS INC6.58%
ALNYLAM PHARMACEUTICALS INC3.64%
INSMED INC2.91%
ARGENX SE SPONSORED ADR2.80%
BIOGEN INC2.25%
NATERA INC2.20%
UNITED THERAPEUTICS CORP DEL2.10%
BEONE MEDICINES LTD ADR1.76%
INCYTE CORP1.55%
MODERNA INC1.54%
ILLUMINA INC1.53%
REVOLUTION MEDICINES INC1.40%
ROIVANT SCIENCES LTD1.13%
NEUROCRINE BIOSCIENCES INC1.08%
GENMAB A/S -SP ADR DEPOSITARY RECEIPT1.07%
BRIDGEBIO PHARMA INC1.03%
IONIS PHARMACEUTICALS INC1.02%
MEDPACE HOLDINGS INC0.92%
MADRIGAL PHARMACEUTICALS INC0.91%
EXELIXIS INC0.90%
BIOMARIN PHARMACEUTICAL INC0.90%
Ascendis Pharma A/S0.87%
PRAXIS PRECISION MEDICINES INC0.71%
CHARLES RIVER LABS INTL INC0.70%
ARROWHEAD PHARMACEUTICALS INC0.69%
VAXCYTE INC0.68%
BIO-TECHNE CORP0.68%
CYTOKINETICS INC0.66%
HALOZYME THERAPEUTICS INC0.63%
AXSOME THERAPEUTICS INC0.61%
BIONTECH SE ADR0.60%
KRYSTAL BIOTECH INC0.55%
PROTAGONIST THERAPEUTICS INC0.53%
REPLIGEN CORP0.52%
KYMERA THERAPEUTICS INC0.49%
ALKERMES PLC0.48%
RHYTHM PHARMACEUTICALS INC0.46%
Abivax SA SPONSORED ADS0.46%
PTC THERAPEUTICS INC0.45%
COGENT BIOSCIENCES INC0.44%
ARCELLX INC0.43%
TERNS PHARMACEUTICALS INC0.42%
NUVALENT INC-A0.41%
MIRUM PHARMACEUTICALS INC0.41%
TEMPUS AI INC-A0.39%
XENON PHARMACEUTICALS INC0.39%

JAFMX (March 31, 2026)

SecurityWeight
LILLY ELI and CO10.21%
THERMO FISHER SCIENTIFIC INC4.12%
INTUITIVE SURGICAL INC3.71%
STRYKER CORP3.52%
MERCK & CO3.48%
AstraZeneca PLC ORD USD0.253.23%
UNITEDHEALTH GRP3.14%
ARGENX SE SPONSORED ADR3.00%
ABBVIE INC2.89%
REGENERON PHARMACEUTICALS INC2.69%
GILEAD SCIENCES INC2.65%
JOHNSON&JOHNSON2.47%
VERTEX PHARMACEUTICALS INC2.46%
DANAHER CORP2.08%
ALNYLAM PHARMACEUTICALS INC1.68%
Ascendis Pharma A/S1.45%
UNITED THERAPEUTICS CORP DEL1.43%
REVOLUTION MEDICINES INC1.39%
BEONE MEDICINES LTD COMMON STOCK USD.00011.23%
PROTAGONIST THERAPEUTICS INC1.17%
ROIVANT SCIENCES1.16%
INSMED INC1.11%
SUMMIT THERAPEUTICS INC1.10%
NATERA INC1.06%
TENET HEALTHCARE CORP1.03%
AMGEN INC1.03%
BRIGHTSPRING HEALTH SERVICES INC1.01%
BOSTON SCIENTIFIC CORP0.95%
HCA HEALTHCARE INC0.92%
GUARDANT HEALTH INC0.92%
CVS HEALTH CORP0.90%
KYMERA THERAPEUTICS INC0.81%
THE CIGNA GROUP0.78%
CG ONCOLOGY INC0.72%
CARDINAL HEALTH INC0.71%
ELEVANCE HEALTH INC0.68%
KRYSTAL BIOTECH INC0.68%
SCHOLAR ROCK HOLDING CORP0.65%
BRIDGEBIO PHARMA INC0.64%
IONIS PHARMACEUTICALS INC0.64%
CHUGAI PHARMACEUTICAL CO LTD COMMON STOCK0.61%
PRAXIS PRECISION MEDICINES INC0.61%
STRUCTURE THERAPEUTICS INC ADR0.60%
CELCUITY INC0.59%
ROYALTY PHARMA PLC COMMON STOCK0.58%
CENTESSA PHARMACEUTICALS LTD ADR0.55%
CENCORA INC0.54%
VERA THERAPEUTICS INC0.49%
NUVALENT INC-A0.46%
APOGEE THERAPEUTICS INC0.46%

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.