---
ticker: "IWC"
name: "iShares Micro-Cap ETF"
url: "https://etf.net/etf/IWC"
grade: "C"
score: 41
graded_at: "2026-10-12"
category: "US Small-Cap"
category_rank: "14 of 17"
methodology: "https://etf.net/methodology"
---

# IWC: iShares Micro-Cap ETF

Grade **C**, Score 41 of 100. Rank 14 of 17 in US Small-Cap.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 9 | 15 of 17 |
| Mission | 86 | 11 of 16 |
| Risk | 22 | 17 of 17 |
| Tradability | 44 | 10 of 17 |
| Holdings | 46 | 12 of 17 |
| Durability | 65 | 7 of 17 |

## Top holdings

The fund holds 1369 positions. These are the largest 30, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | PENG | Penguin Solutions Inc | 0.92% |
| 2 | CDNA | Caredx | 0.78% |
| 3 | OUST | Ouster | 0.63% |
| 4 | SLS | Sellas Life Sciences Group Inc | 0.56% |
| 5 | NRIX | Nurix Therapeutics | 0.51% |
| 6 | PURR | Hyperliquid Strategies Inc | 0.51% |
| 7 | ASST | Strive Inc Class A | 0.50% |
| 8 | TILE | Interface | 0.49% |
| 9 | INOD | Innodata | 0.47% |
| 10 | VRDN | Viridian Therapeutics Ors | 0.45% |
| 11 | BFLY | Butterfly Network Class A | 0.43% |
| 12 | XERS | Xeris Biopharma Holdings | 0.43% |
| 13 | LIND | Lindblad Expeditions Holdings | 0.43% |
| 14 | PRCH | Porch Group | 0.42% |
| 15 | NAT | Nordic American Tankers Ltd | 0.42% |
| 16 | MBX | Mbx Biosciences | 0.40% |
| 17 | ALNT | Allient Inc | 0.39% |
| 18 | QCRH | Qcr Holdings Inc | 0.38% |
| 19 | BAND | Bandwidth Class A | 0.38% |
| 20 | URGN | Urogen Pharma | 0.38% |
| 21 | DCOM | Dime Commercial Bancshares | 0.38% |
| 22 | OBK | Origin Bancorp Inc | 0.37% |
| 23 | ABSI | Absci Corp | 0.37% |
| 24 | PGEN | Precigen | 0.36% |
| 25 | BFC | Bank First Corp | 0.36% |
| 26 | ETON | Eton Pharmaceutcials Inc | 0.35% |
| 27 | CNOB | Connectone Bancorp | 0.35% |
| 28 | EFC | Ellington Financial | 0.35% |
| 29 | OMER | Omeros | 0.34% |
| 30 | PNTG | Pennant Group | 0.32% |

Source: etf.net, https://etf.net/etf/IWC. Please cite the page URL.