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 | IBBQ | IBB | Difference |
|---|
| GILD Gilead Sciences Inc |
8.41% | 8.37% |
+0.04% |
| AMGN Amgen Inc |
7.87% | 7.89% |
-0.02% |
| VRTX Vertex Pharmaceuticals Inc |
7.63% | 7.69% |
-0.06% |
| MRNA Moderna Inc |
5.99% | 5.30% |
+0.69% |
| REGN Regeneron Pharmaceuticals… |
5.03% | 5.40% |
-0.37% |
| ILMN Illumina Inc |
2.80% | 2.94% |
-0.13% |
| RVMD Revolution Medicines Inc |
2.71% | 2.67% |
+0.04% |
| BIIB Biogen Inc |
2.22% | 2.36% |
-0.14% |
| ALNY Alnylam Pharmaceuticals… |
2.08% | 2.21% |
-0.13% |
| UTHR United Therapeutics Corp |
1.57% | 1.63% |
-0.06% |
| INCY Incyte Corp |
1.52% | 1.67% |
-0.14% |
| INSM Insmed Inc |
1.46% | 1.59% |
-0.13% |
| ROIV Roivant Sciences Ltd |
1.71% | 1.32% |
+0.38% |
| MEDP Medpace Holdings Inc |
1.13% | 1.00% |
+0.13% |
| EXEL Exelixis Inc |
0.99% | 1.04% |
-0.06% |
| NBIX Neurocrine Biosciences Inc |
0.96% | 1.05% |
-0.08% |
| ASND Ascendis Pharma A/S |
0.94% | 1.01% |
-0.07% |
| ONC BeOne Medicines Ltd |
0.84% | 2.17% |
-1.33% |
| BBIO Bridgebio Pharma Inc |
0.87% | 0.84% |
+0.03% |
| HALO Halozyme Therapeutics Inc |
0.83% | 0.91% |
-0.07% |
Biggest Weighting Differences
| Holding | IBBQ | IBB | Δ |
|---|
| ONC |
0.84% | 2.17% |
-1.33% |
| GMAB |
0.24% | 1.47% |
-1.23% |
| SMMT |
0.94% | 0.19% |
+0.74% |
| MRNA |
5.99% | 5.30% |
+0.69% |
| IBRX |
0.74% | 0.29% |
+0.45% |
| ROIV |
1.71% | 1.32% |
+0.38% |
| REGN |
5.03% | 5.40% |
-0.37% |
| CAI |
0.56% | 0.26% |
+0.30% |
| TEM |
0.83% | 0.55% |
+0.28% |
| IMVT |
0.42% | 0.19% |
+0.23% |
| INCY |
1.52% | 1.67% |
-0.14% |
| ABVX |
0.34% | 0.48% |
-0.14% |
Only in IBBQ
| RPRX Royalty Pharma PLC |
1.69% |
| GH Guardant Health Inc |
1.50% |
| ARGNF Argenx SE |
1.49% |
| VTRS Viatris Inc |
1.35% |
| JAZZ Jazz Pharmaceuticals PLC |
0.95% |
| SNY Sanofi SA |
0.58% |
| AMRX Amneal Pharmaceuticals Inc |
0.46% |
| LGND Ligand Pharmaceuticals Inc |
0.41% |
| INDV Indivior Pharmaceuticals Inc |
0.28% |
| KNSA Kiniksa Pharmaceuticals… |
0.26% |
| SUPN Supernus Pharmaceuticals Inc |
0.16% |
| HRMY Harmony Biosciences Holdings… |
0.16% |
| XERS Xeris Biopharma Holdings Inc |
0.13% |
| ANIP ANI Pharmaceuticals Inc |
0.11% |
| OCUL Ocular Therapeutix Inc |
0.11% |
Only in IBB
| NTRA NATERA |
3.88% |
| ARGX ARGENX SE ADR |
3.35% |
| 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% |
| BHVN BIOHAVEN |
0.11% |
| LKFT LAKEFRONT BIOTHERAPEUTICS ADR… |
0.09% |
| 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% |
Research tool only: overlap is one lens on similarity, not a judgment of which fund is better.