---
ticker: "BBMC"
name: "JPMorgan BetaBuilders U.S. Mid Cap Equity ETF"
url: "https://etf.net/etf/BBMC"
grade: "B"
score: 65
graded_at: "2026-10-12"
category: "US Mid-Cap"
category_rank: "6 of 13"
methodology: "https://etf.net/methodology"
---

# BBMC: JPMorgan BetaBuilders U.S. Mid Cap Equity ETF

Grade **B**, Score 65 of 100. Rank 6 of 13 in US Mid-Cap.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 67 | 5 of 13 |
| Mission | 100 | 1 of 11 |
| Risk | 40 | 10 of 13 |
| Tradability | 32 | 9 of 13 |
| Holdings | 70 | 4 of 13 |
| Durability | 50 | 7 of 13 |

## Top holdings

The fund holds 460 positions. These are the largest 30, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | MRNA | Moderna Inc Common Stock | 1.75% |
| 2 | NTRA | Natera Inc Common Stock | 1.20% |
| 3 | OKTA | Okta Inc Common Stock | 0.86% |
| 4 | RVMD | Revolution Medicines Inc | 0.84% |
| 5 | TEAM | Atlassian Corp Common | 0.72% |
| 6 | WSM | Williams-Sonoma Inc | 0.62% |
| 7 | NVT | Nvent Electric PLC | 0.59% |
| 8 | Q | Qnity Electronics Inc | 0.58% |
| 9 | FTI | Technipfmc PLC Common | 0.58% |
| 10 | ATI | Ati Inc Common Stock USD | 0.57% |
| 11 | — | JPMorgan U.s. Government | 0.54% |
| 12 | CASY | Casey's General Stores | 0.52% |
| 13 | TPR | Tapestry Inc Common | 0.51% |
| 14 | RDDT | Reddit Inc Common Stock | 0.51% |
| 15 | MTSI | Macom Technology | 0.50% |
| 16 | AFRM | Affirm Holdings Inc | 0.50% |
| 17 | XPO | Xpo Inc Common Stock USD | 0.47% |
| 18 | GH | Guardant Health Inc | 0.47% |
| 19 | USFD | Us Foods Holding Corp | 0.47% |
| 20 | THC | Tenet Healthcare Corp | 0.46% |
| 21 | SNX | Td Synnex Corp Common | 0.46% |
| 22 | UTHR | United Therapeutics Corp | 0.46% |
| 23 | RS | Reliance Inc Common | 0.45% |
| 24 | ROKU | Roku Inc Common Stock | 0.44% |
| 25 | RGLD | Royal Gold Inc | 0.44% |
| 26 | NTNX | Nutanix Inc Common Stock | 0.44% |
| 27 | VTRS | Viatris Inc Common Stock | 0.44% |
| 28 | WWD | Woodward Inc Common | 0.44% |
| 29 | RBRK | Rubrik Inc Common Stock | 0.42% |
| 30 | CRS | Carpenter Technology | 0.42% |

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