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 | BBC | IBB | Difference |
|---|
| RVMD Revolution Medicines Inc |
0.95% | 2.67% |
-1.73% |
| PCVX Vaxcyte Inc |
1.06% | 0.70% |
+0.36% |
| KYMR Kymera Therapeutics Inc |
0.98% | 0.60% |
+0.38% |
| PRAX Praxis Precision… |
0.77% | 0.51% |
+0.26% |
| SYRE Spyre Therapeutics Inc |
0.77% | 0.47% |
+0.30% |
| KOD Kodiak Sciences Inc |
2.14% | 0.40% |
+1.74% |
| COGT Cogent Biosciences Inc |
0.70% | 0.34% |
+0.36% |
| ORKA Oruka Therapeutics Inc |
0.86% | 0.33% |
+0.52% |
| DFTX Definium Therapeutics Inc |
1.07% | 0.32% |
+0.75% |
| SRRK Scholar Rock Holding Corp |
0.74% | 0.31% |
+0.43% |
| ERAS Erasca Inc |
0.85% | 0.28% |
+0.57% |
| CGON CG oncology Inc |
0.82% | 0.27% |
+0.55% |
| XENE Xenon Pharmaceuticals Inc |
0.54% | 0.24% |
+0.29% |
| IDYA Ideaya Biosciences Inc |
0.96% | 0.24% |
+0.72% |
| EWTX Edgewise Therapeutics Inc |
0.87% | 0.24% |
+0.64% |
| TNGX Tango Therapeutics Inc |
0.56% | 0.23% |
+0.33% |
| ABCL AbCellera Biologics Inc |
1.78% | 0.22% |
+1.55% |
| RLAY Relay Therapeutics Inc |
0.91% | 0.22% |
+0.69% |
| AMLX Amylyx Pharmaceuticals Inc |
1.44% | 0.21% |
+1.23% |
| SMMT Summit Therapeutics Inc |
0.95% | 0.19% |
+0.76% |
Biggest Weighting Differences
| Holding | BBC | IBB | Δ |
|---|
| KOD |
2.14% | 0.40% |
+1.74% |
| RVMD |
0.95% | 2.67% |
-1.73% |
| ABCL |
1.78% | 0.22% |
+1.55% |
| XNCR |
1.54% | 0.13% |
+1.41% |
| AMLX |
1.44% | 0.21% |
+1.23% |
| FDMT |
1.11% | 0.05% |
+1.07% |
| ORIC |
1.13% | 0.06% |
+1.07% |
| REPL |
1.14% | 0.08% |
+1.05% |
| MBX |
1.16% | 0.12% |
+1.04% |
| JANX |
1.06% | 0.08% |
+0.98% |
| PRME |
1.00% | 0.03% |
+0.97% |
| ZBIO |
1.03% | 0.07% |
+0.96% |
Only in BBC
| TRAX First Tracks Biotherapeutics… |
1.40% |
| ANL Adlai Nortye Group Ltd |
1.16% |
| SLS SELLAS Life Sciences Group Inc |
1.11% |
| MNPR Monopar Therapeutics Inc |
1.09% |
| SGP SpyGlass Pharma Inc |
1.03% |
| VOR Vor BioPharma Inc |
1.03% |
| MANE VeraDermics Inc |
1.02% |
| ACHV Achieve Life Sciences Inc |
1.01% |
| LBRX LB Pharmaceuticals Inc |
0.94% |
| PVLA Palvella Therapeutics Inc |
0.93% |
| RZLT Rezolute Inc |
0.90% |
| GENB Generate Biomedicines Inc |
0.87% |
| VRDN Viridian Therapeutics Inc |
0.87% |
| BLTE Belite Bio Inc |
0.85% |
| IMMX Immix Biopharma Inc |
0.85% |
Only in IBB
| GILD GILEAD SCIENCES |
8.37% |
| AMGN AMGEN INC |
7.89% |
| VRTX VERTEX PHARMACEUTICALS |
7.69% |
| REGN REGENERON PHARMACEUTICALS |
5.40% |
| MRNA MODERNA |
5.30% |
| NTRA NATERA |
3.88% |
| ARGX ARGENX SE ADR |
3.35% |
| ILMN ILLUMINA INC |
2.94% |
| BIIB BIOGEN |
2.36% |
| ALNY ALNYLAM PHARMACEUTICALS |
2.21% |
| ONC BEONE MEDICINES AG |
2.17% |
| INCY INCYTE CORP |
1.67% |
| UTHR UNITED THERAPEUTICS |
1.63% |
| INSM INSMED |
1.59% |
| GMAB GENMAB SPONSORED ADR |
1.47% |
Research tool only: overlap is one lens on similarity, not a judgment of which fund is better.