# Alta Partners Management Company, L.P.

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 2054419. Source: https://holderbook.com/funds/2054419-alta-partners-management-company-l-p/

- Reported value: $127.3M
- Positions: 2
- Weight of the ten largest: 100.0%
- Filed: 2026-07-22

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| TYRA BIOSCIENCES INC | [TYRA](https://holderbook.com/stocks/TYRA/) | $122.1M | 3,823,425 | 95.9% | 7 |
| VIR BIOTECHNOLOGY INC | [VIR](https://holderbook.com/stocks/VIR/) | $5.2M | 509,917 | 4.1% | 7 |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $127.3M | 2 |
| Q1 2026 | $151.0M | 2 |
| Q4 2025 | $103.6M | 2 |
| Q3 2025 | $60.0M | 2 |
| Q2 2025 | $41.6M | 2 |
| Q1 2025 | $41.8M | 3 |
| Q4 2024 | $63.4M | 3 |