ETF Holdings Overlap
How much do two funds actually share? Weight-based overlap, shared positions, and what is unique to each side.
Largest Shared Positions
| Holding | BIB | IBB | Difference |
| GILD GILEAD SCIENCES INC |
5.20% | 8.37% |
-3.17% |
| AMGN AMGEN INC |
4.86% | 7.89% |
-3.03% |
| VRTX VERTEX PHARMACEUTICALS INC |
4.72% | 7.69% |
-2.98% |
| MRNA MODERNA INC |
3.70% | 5.30% |
-1.60% |
| REGN REGENERON PHARMACEUTICALS |
3.11% | 5.40% |
-2.29% |
| ILMN ILLUMINA INC |
1.73% | 2.94% |
-1.20% |
| RVMD REVOLUTION MEDICINES INC |
1.68% | 2.67% |
-1.00% |
| BIIB BIOGEN INC |
1.37% | 2.36% |
-0.99% |
| ALNY ALNYLAM PHARMACEUTICALS… |
1.28% | 2.21% |
-0.92% |
| ROIV ROIVANT SCIENCES LTD |
1.06% | 1.32% |
-0.27% |
| UTHR UNITED THERAPEUTICS CORP |
0.97% | 1.63% |
-0.66% |
| INCY INCYTE CORP |
0.94% | 1.67% |
-0.73% |
| ARGX ARGENX SE - ADR |
0.93% | 3.35% |
-2.42% |
| INSM INSMED INC |
0.91% | 1.59% |
-0.69% |
| MEDP MEDPACE HOLDINGS INC |
0.70% | 1.00% |
-0.29% |
| EXEL EXELIXIS INC |
0.61% | 1.04% |
-0.43% |
| NBIX NEUROCRINE BIOSCIENCES INC |
0.60% | 1.05% |
-0.45% |
| ASND ASCENDIS PHARMA A/S |
0.58% | 1.01% |
-0.43% |
| BBIO BRIDGEBIO PHARMA INC |
0.54% | 0.84% |
-0.30% |
| ONC BEONE MEDICINES LTD-ADR |
0.52% | 2.17% |
-1.65% |
Biggest Weighting Differences
| Holding | BIB | IBB | Δ |
| GILD |
5.20% | 8.37% |
-3.17% |
| AMGN |
4.86% | 7.89% |
-3.03% |
| VRTX |
4.72% | 7.69% |
-2.98% |
| ARGX |
0.93% | 3.35% |
-2.42% |
| REGN |
3.11% | 5.40% |
-2.29% |
| ONC |
0.52% | 2.17% |
-1.65% |
| MRNA |
3.70% | 5.30% |
-1.60% |
| GMAB |
0.15% | 1.47% |
-1.32% |
| ILMN |
1.73% | 2.94% |
-1.20% |
| RVMD |
1.68% | 2.67% |
-1.00% |
| BIIB |
1.37% | 2.36% |
-0.99% |
| ALNY |
1.28% | 2.21% |
-0.92% |
Only in BIB
| IQMM PROSHARES GENIUS MNY MKT ETF |
18.26% |
| RPRX ROYALTY PHARMA PLC- CL A |
1.04% |
| GH GUARDANT HEALTH INC |
0.93% |
| VTRS VIATRIS INC |
0.84% |
| JAZZ JAZZ PHARMACEUTICALS PLC |
0.58% |
| SNY SANOFI-ADR |
0.36% |
| AMRX AMNEAL PHARMACEUTICALS INC |
0.29% |
| LGND LIGAND PHARMACEUTICALS |
0.25% |
| INDV INDIVIOR PHARMACEUTICALS INC |
0.17% |
| KNSA KINIKSA PHARMACEUTICALS INTE |
0.16% |
| SUPN SUPERNUS PHARMACEUTICALS INC |
0.10% |
| HRMY HARMONY BIOSCIENCES HOLDINGS |
0.10% |
| XERS XERIS BIOPHARMA HOLDINGS INC |
0.08% |
| ANIP ANI PHARMACEUTICALS INC |
0.07% |
| OCUL OCULAR THERAPEUTIX INC |
0.07% |
Only in IBB
| NTRA NATERA |
3.88% |
| CRL CHARLES RIVER LABORATORIES… |
1.04% |
| TECH BIO TECHNE |
0.83% |
| RGEN REPLIGEN |
0.64% |
| BRKR BRUKER |
0.47% |
| CDNA CAREDX |
0.22% |
| RCUS ARCUS BIOSCIENCES |
0.15% |
| NAMS NEWAMSTERDAM PHARMA |
0.12% |
| BHVN BIOHAVEN |
0.11% |
| NUVB NUVATION BIO CLASS A |
0.09% |
| STVN STEVANATO GROUP |
0.07% |
| ANRO ALTO NEUROSCIENCE INC |
0.06% |
| CTKB CYTEK BIOSCIENCES |
0.05% |
| DNA GINKGO BIOWORKS HOLDINGS… |
0.04% |
| OPK OPKO HEALTH |
0.04% |
Research tool only: overlap is one lens on similarity, not a judgment of which fund is better.