# Portfolio overlap — SHSSX vs VHCIX

Comparing **BlackRock Health Sciences Opportunities Portfolio** (2026-02-27) and **VANGUARD HEALTH CARE INDEX FUND** (2026-02-28).

- Shared positions: 107
- BlackRock Health Sciences Opportunities Portfolio covered by VANGUARD HEALTH CARE INDEX FUND: 0.7005300492340903989014752061
- VANGUARD HEALTH CARE INDEX FUND covered by BlackRock Health Sciences Opportunities Portfolio: 0.7005300492340903989014752061

## BlackRock Health Sciences Opportunities Portfolio — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| LILLY ELI and CO | 0.112658 | ✓ |
| JOHNSON&JOHNSON | 0.101544 | ✓ |
| ABBVIE INC | 0.040851 | ✓ |
| GILEAD SCIENCES INC | 0.039325 | ✓ |
| MERCK & CO | 0.035239 | ✓ |
| AMGEN INC | 0.034711 | ✓ |
| UNITEDHEALTH GRP | 0.030228 | ✓ |
| INTUITIVE SURGICAL INC | 0.024425 | ✓ |
| ABBOTT LABS | 0.024092 | ✓ |
| DANAHER CORP | 0.022937 | ✓ |
| THERMO FISHER SCIENTIFIC INC | 0.022604 | ✓ |
| EDWARDS LIFESCIENCES CORP | 0.022495 | ✓ |
| VERTEX PHARMACEUTICALS INC | 0.020646 | ✓ |
| MEDTRONIC PLC | 0.019842 |  |
| STRYKER CORP | 0.019621 | ✓ |
| TEVA PHARMACEUTICAL IND ADR | 0.017890 |  |
| CENCORA INC | 0.015043 | ✓ |
| BOSTON SCIENTIFIC CORP | 0.015007 | ✓ |
| ASTRAZENECA PLC | 0.014390 |  |
| ARGENX SE SPONSORED ADR | 0.014149 |  |
| MCKESSON CORP | 0.011959 | ✓ |
| ROCHE HOLDINGS AG (GENUSSCHEINE) | 0.010694 |  |
| BIOGEN INC | 0.010622 | ✓ |
| ALNYLAM PHARMACEUTICALS INC | 0.010486 | ✓ |
| REGENERON PHARMACEUTICALS INC | 0.010418 | ✓ |
| BRISTOL-MYERS SQUIBB CO | 0.010404 | ✓ |
| HCA HEALTHCARE INC | 0.010124 | ✓ |
| BlackRock Cash Funds: Institutional, SL Agency Shares | 0.008737 |  |
| EXACT SCIENCES CORP | 0.008615 | ✓ |
| RHYTHM PHARMACEUTICALS INC | 0.007596 | ✓ |
| IDEXX LABS INC | 0.007451 | ✓ |
| DEXCOM INC | 0.007411 | ✓ |
| PENUMBRA INC | 0.006975 | ✓ |
| INSMED INC | 0.006842 | ✓ |
| Novartis AG | 0.006452 |  |
| INCYTE CORP | 0.006100 | ✓ |
| MEDLINE INC-A | 0.006086 | ✓ |
| WATERS CORP | 0.006043 | ✓ |
| BLKR-LIQ T-INS | 0.005199 |  |
| PROTAGONIST THERAPEUTICS INC | 0.005186 | ✓ |
| AGILENT TECHNOLOGIES INC | 0.005006 | ✓ |
| PFIZER INC | 0.004980 | ✓ |
| NUVALENT INC-A | 0.004896 | ✓ |
| COGENT BIOSCIENCES INC | 0.004846 | ✓ |
| GUARDANT HEALTH INC | 0.004807 | ✓ |
| REVOLUTION MEDICINES INC | 0.004700 | ✓ |
| MODERNA INC | 0.004568 | ✓ |
| GALDERMA GROUP A | 0.004399 |  |
| CVS HEALTH CORP | 0.004365 | ✓ |
| ELEVANCE HEALTH INC | 0.004311 | ✓ |

## VANGUARD HEALTH CARE INDEX FUND — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| LILLY ELI and CO | 0.125577 | ✓ |
| JOHNSON&JOHNSON | 0.087549 | ✓ |
| ABBVIE INC | 0.060834 | ✓ |
| MERCK & CO | 0.045891 | ✓ |
| UNITEDHEALTH GRP | 0.039411 | ✓ |
| AMGEN INC | 0.031008 | ✓ |
| ABBOTT LABS | 0.030047 | ✓ |
| THERMO FISHER SCIENTIFIC INC | 0.029198 | ✓ |
| GILEAD SCIENCES INC | 0.027424 | ✓ |
| INTUITIVE SURGICAL INC | 0.026783 | ✓ |
| PFIZER INC | 0.023326 | ✓ |
| DANAHER CORP | 0.020142 | ✓ |
| STRYKER CORP | 0.019783 | ✓ |
| VERTEX PHARMACEUTICALS INC | 0.018902 | ✓ |
| BRISTOL-MYERS SQUIBB CO | 0.018837 | ✓ |
| MEDTRONIC PLC | 0.018588 |  |
| MCKESSON CORP | 0.018223 | ✓ |
| BOSTON SCIENTIFIC CORP | 0.016897 | ✓ |
| CVS HEALTH CORP | 0.015037 | ✓ |
| HCA HEALTHCARE INC | 0.012874 | ✓ |
| REGENERON PHARMACEUTICALS INC | 0.012083 | ✓ |
| THE CIGNA GROUP | 0.011479 |  |
| ELEVANCE HEALTH INC | 0.010514 | ✓ |
| CENCORA INC | 0.010170 | ✓ |
| ZOETIS INC CL A | 0.008621 |  |
| CARDINAL HEALTH INC | 0.008081 |  |
| IDEXX LABS INC | 0.007797 | ✓ |
| EDWARDS LIFESCIENCES CORP | 0.007533 | ✓ |
| BECTON DICKINSON and CO | 0.007506 |  |
| ALNYLAM PHARMACEUTICALS INC | 0.006476 | ✓ |
| GE HEALTHCARE TECHNOLOGIES INC WI | 0.005710 | ✓ |
| RESMED INC | 0.005550 |  |
| AGILENT TECHNOLOGIES INC | 0.005106 | ✓ |
| INSMED INC | 0.004684 | ✓ |
| WATERS CORP | 0.004659 | ✓ |
| IQVIA HOLDINGS INC | 0.004511 | ✓ |
| DEXCOM INC | 0.004273 | ✓ |
| VEEVA SYSTEMS-A | 0.004205 | ✓ |
| METTLER-TOLEDO INTL INC | 0.004178 | ✓ |
| BIOGEN INC | 0.004173 | ✓ |
| NATERA INC | 0.004025 | ✓ |
| STERIS PLC | 0.003688 |  |
| LABCORP HOLDINGS INC | 0.003565 |  |
| QUEST DIAGNOSTICS INC | 0.003517 | ✓ |
| HUMANA INC | 0.003401 | ✓ |
| CENTENE CORP | 0.003271 | ✓ |
| UNITED THERAPEUTICS CORP DEL | 0.003213 | ✓ |
| TENET HEALTHCARE CORP | 0.003139 |  |
| ILLUMINA INC | 0.003067 | ✓ |
| EXACT SCIENCES CORP | 0.002904 | ✓ |


## Sources

- N-PORT (fund A) — accession `0000940400-26-014709` (as of 2026-02-27)
  <https://www.sec.gov/Archives/edgar/data/844779/000094040026014709/0000940400-26-014709-index.htm>
- N-PORT (fund B) — accession `0000052848-26-000418` (as of 2026-02-28)
  <https://www.sec.gov/Archives/edgar/data/52848/000005284826000418/0000052848-26-000418-index.htm>

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