# MBX BIOSCIENCES INC (MBX)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/MBX/

- Reporting holders: 4
- Reported value: $37.2K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $23.6K | 402 | 0.0% | 7 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $10.6K | 180 | 0.0% | 1 |
| [MassMutual Private Wealth & Trust, FSB](https://holderbook.com/funds/1103653-massmutual-private-wealth-trust-fsb/) | $2.3K | 40 | 0.0% | 1 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $762 | 13 | 0.0% | 5 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 4 | $37.2K |
| Q2 2026 | 176 | $3.2B |
| Q1 2026 | 157 | $1.6B |
| Q4 2025 | 140 | $1.5B |
| Q3 2025 | 127 | $880.8M |
| Q2 2025 | 89 | $423.2M |
| Q1 2025 | 79 | $263.4M |
| Q4 2024 | 63 | $606.5M |
| Q3 2024 | 45 | $784.1M |