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 | FBT | IBB | Difference |
|---|
| NTRA Natera, Inc. |
4.65% | 3.88% |
+0.77% |
| GILD Gilead Sciences, Inc. |
3.64% | 8.37% |
-4.73% |
| AMGN Amgen Inc. |
3.57% | 7.89% |
-4.32% |
| REGN Regeneron… |
3.52% | 5.40% |
-1.88% |
| VRTX Vertex Pharmaceuticals… |
3.29% | 7.69% |
-4.41% |
| ARGX argenx SE (ADR) |
2.94% | 3.35% |
-0.41% |
| ILMN Illumina, Inc. |
4.58% | 2.94% |
+1.64% |
| BIIB Biogen Inc. |
3.55% | 2.36% |
+1.19% |
| ALNY Alnylam Pharmaceuticals… |
2.44% | 2.21% |
+0.23% |
| ONC BeOne Medicines Ltd. (ADR) |
3.71% | 2.17% |
+1.54% |
| INCY Incyte Corporation |
3.03% | 1.67% |
+1.36% |
| UTHR United Therapeutics… |
3.14% | 1.63% |
+1.52% |
| GMAB Genmab A/S (ADR) |
4.00% | 1.47% |
+2.53% |
| NBIX Neurocrine Biosciences… |
2.52% | 1.05% |
+1.47% |
| EXEL Exelixis, Inc. |
3.32% | 1.04% |
+2.27% |
| HALO Halozyme Therapeutics… |
4.54% | 0.91% |
+3.63% |
| TECH Bio-Techne Corporation |
3.18% | 0.83% |
+2.35% |
| BMRN BioMarin Pharmaceutical… |
2.90% | 0.77% |
+2.13% |
| MDGL Madrigal Pharmaceuticals… |
2.75% | 0.76% |
+2.00% |
| BNTX BioNTech SE (ADR) |
3.32% | 0.65% |
+2.67% |
Biggest Weighting Differences
| Holding | FBT | IBB | Δ |
|---|
| GILD |
3.64% | 8.37% |
-4.73% |
| VRTX |
3.29% | 7.69% |
-4.41% |
| AMGN |
3.57% | 7.89% |
-4.32% |
| HALO |
4.54% | 0.91% |
+3.63% |
| ADMA |
3.57% | 0.16% |
+3.41% |
| RGEN |
3.77% | 0.64% |
+3.13% |
| SRPT |
2.95% | 0.14% |
+2.81% |
| BNTX |
3.32% | 0.65% |
+2.67% |
| BRKR |
3.07% | 0.47% |
+2.59% |
| GMAB |
4.00% | 1.47% |
+2.53% |
| TECH |
3.18% | 0.83% |
+2.35% |
| EXEL |
3.32% | 1.04% |
+2.27% |
Only in FBT
| CORT Corcept Therapeutics Inc. |
4.13% |
| NEO NeoGenomics, Inc. |
3.63% |
| TGTX TG Therapeutics, Inc. |
3.03% |
Only in IBB
| MRNA MODERNA |
5.30% |
| RVMD REVOLUTION MEDICINES |
2.67% |
| INSM INSMED |
1.59% |
| ROIV ROIVANT SCIENCES LTD |
1.32% |
| CRL CHARLES RIVER LABORATORIES… |
1.04% |
| ASND ASCENDIS PHARMA |
1.01% |
| MEDP MEDPACE HOLDINGS |
1.00% |
| BBIO BRIDGEBIO PHARMA |
0.84% |
| TWST TWIST BIOSCIENCE |
0.71% |
| PCVX VAXCYTE |
0.70% |
| TXG 10X GENOMICS CLASS A |
0.66% |
| PTGX PROTAGONIST THERAPEUTICS |
0.63% |
| KRYS KRYSTAL BIOTECH |
0.62% |
| CYTK CYTOKINETICS |
0.61% |
| KYMR KYMERA THERAPEUTICS |
0.60% |
Research tool only: overlap is one lens on similarity, not a judgment of which fund is better.