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 | JDOC | IBB | Difference |
|---|
| BIIB BIOGEN INC COMMON STOCK |
1.84% | 2.36% |
-0.52% |
| REGN REGENERON |
1.75% | 5.40% |
-3.65% |
| VRTX VERTEX PHARMACEUTICALS |
1.46% | 7.69% |
-6.24% |
| INSM INSMED INC COMMON STOCK |
1.24% | 1.59% |
-0.35% |
| CRL CHARLES RIVER |
1.21% | 1.04% |
+0.17% |
| ALNY ALNYLAM PHARMACEUTICALS |
0.90% | 2.21% |
-1.31% |
| NBIX NEUROCRINE BIOSCIENCES |
0.85% | 1.05% |
-0.20% |
| BBIO BRIDGEBIO PHARMA INC |
0.59% | 0.84% |
-0.25% |
| SYRE SPYRE THERAPEUTICS INC |
0.57% | 0.47% |
+0.10% |
| PTCT PTC THERAPEUTICS INC |
0.56% | 0.37% |
+0.19% |
| ERAS ERASCA INC COMMON STOCK |
0.34% | 0.28% |
+0.06% |
| CGON CG ONCOLOGY INC COMMON |
0.40% | 0.27% |
+0.12% |
| LEGN LEGEND BIOTECH CORP ADR |
0.32% | 0.23% |
+0.09% |
| DYN DYNE THERAPEUTICS INC |
0.54% | 0.18% |
+0.36% |
| RCUS ARCUS BIOSCIENCES INC |
0.28% | 0.15% |
+0.13% |
| IRON DISC MEDICINE INC COMMON |
0.33% | 0.13% |
+0.20% |
| BCAX BICARA THERAPEUTICS INC |
0.19% | 0.06% |
+0.14% |
Biggest Weighting Differences
| Holding | JDOC | IBB | Δ |
|---|
| VRTX |
1.46% | 7.69% |
-6.24% |
| REGN |
1.75% | 5.40% |
-3.65% |
| ALNY |
0.90% | 2.21% |
-1.31% |
| BIIB |
1.84% | 2.36% |
-0.52% |
| DYN |
0.54% | 0.18% |
+0.36% |
| INSM |
1.24% | 1.59% |
-0.35% |
| BBIO |
0.59% | 0.84% |
-0.25% |
| IRON |
0.33% | 0.13% |
+0.20% |
| NBIX |
0.85% | 1.05% |
-0.20% |
| PTCT |
0.56% | 0.37% |
+0.19% |
| CRL |
1.21% | 1.04% |
+0.17% |
| BCAX |
0.19% | 0.06% |
+0.14% |
Only in JDOC
| ABBV ABBVIE INC COMMON STOCK |
8.69% |
| LLY ELI LILLY AND COMPANY |
7.95% |
| UNH UNITEDHEALTH GROUP INC |
5.18% |
| MRK MERCK & CO INC COMMON |
4.98% |
| JNJ JOHNSON & COMMON |
4.81% |
| TMO THERMO FISHER SCIENTIFIC |
4.50% |
| NOVN.SW NOVARTIS AG COMMON STOCK |
4.50% |
| AZN.L ASTRAZENECA PLC COMMON |
3.92% |
| ABT ABBOTT LABORATORIES |
2.92% |
| DHR DANAHER CORP COMMON |
2.71% |
| IQV IQVIA HOLDINGS INC |
2.22% |
| COR CENCORA INC COMMON STOCK |
2.15% |
| HUM HUMANA INC COMMON STOCK |
2.09% |
| 4502.T TAKEDA PHARMACEUTICAL CO |
1.90% |
| BMY BRISTOL-MYERS SQUIBB CO |
1.87% |
Only in IBB
| GILD GILEAD SCIENCES |
8.37% |
| AMGN AMGEN INC |
7.89% |
| MRNA MODERNA |
5.30% |
| NTRA NATERA |
3.88% |
| ARGX ARGENX SE ADR |
3.35% |
| ILMN ILLUMINA INC |
2.94% |
| RVMD REVOLUTION MEDICINES |
2.67% |
| ONC BEONE MEDICINES AG |
2.17% |
| INCY INCYTE CORP |
1.67% |
| UTHR UNITED THERAPEUTICS |
1.63% |
| GMAB GENMAB SPONSORED ADR |
1.47% |
| ROIV ROIVANT SCIENCES LTD |
1.32% |
| EXEL EXELIXIS INC |
1.04% |
| ASND ASCENDIS PHARMA |
1.01% |
| MEDP MEDPACE HOLDINGS |
1.00% |
Research tool only: overlap is one lens on similarity, not a judgment of which fund is better.