---
ticker: "IWR"
name: "iShares Russell Mid-Cap ETF"
url: "https://etf.net/etf/IWR"
grade: "A"
score: 74
graded_at: "2026-10-12"
category: "US Mid-Cap"
category_rank: "4 of 13"
methodology: "https://etf.net/methodology"
---

# IWR: iShares Russell Mid-Cap ETF

Grade **A**, Score 74 of 100. Rank 4 of 13 in US Mid-Cap.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 43 | 8 of 13 |
| Mission | 100 | 1 of 11 |
| Risk | 69 | 3 of 13 |
| Tradability | 93 | 1 of 13 |
| Holdings | 83 | 2 of 13 |
| Durability | 86 | 2 of 13 |

## Top holdings

The fund holds 828 positions. These are the largest 30, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | MPC | Marathon Petroleum | 0.98% |
| 2 | SNOW | Snowflake | 0.91% |
| 3 | NET | Cloudflare Class A | 0.85% |
| 4 | PSX | Phillips 66 | 0.82% |
| 5 | HPE | Hewlett Packard Enterprise | 0.71% |
| 6 | DDOG | Datadog Inc Class A | 0.71% |
| 7 | LITE | Lumentum Holdings | 0.63% |
| 8 | HOOD | Robinhood Markets Class A | 0.61% |
| 9 | MRNA | Moderna | 0.60% |
| 10 | RCL | Royal Caribbean Group | 0.52% |
| 11 | DLR | Digital Realty Trust Reit | 0.49% |
| 12 | URI | United Rentals | 0.48% |
| 13 | KEYS | Keysight Technologies | 0.48% |
| 14 | SPG | Simon Property Group Reit Inc | 0.47% |
| 15 | KMI | Kinder Morgan | 0.46% |
| 16 | TER | Teradyne | 0.46% |
| 17 | TRGP | Targa Resources | 0.45% |
| 18 | COR | Cencora | 0.44% |
| 19 | FIX | Comfort Systems Usa | 0.44% |
| 20 | ALL | Allstate Corp | 0.43% |
| 21 | COHR | Coherent | 0.43% |
| 22 | FAST | Fastenal | 0.43% |
| 23 | LNG | Cheniere Energy | 0.43% |
| 24 | AME | Ametek Inc | 0.42% |
| 25 | OKE | Oneok | 0.42% |
| 26 | BKR | Baker Hughes Class A | 0.41% |
| 27 | GWW | Ww Grainger Inc | 0.41% |
| 28 | CAH | Cardinal Health | 0.41% |
| 29 | NUE | Nucor | 0.40% |
| 30 | NTRA | Natera | 0.40% |

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