Every 13F-reported equity position this quarter with its quarter-over-quarter change; each row traces to the filer's 13F-HR on EDGAR.
13F holdings, latest quarter
SourceSEC EDGAR13F-HR
Every 13F-reported equity position this quarter with its quarter-over-quarter change; each row traces to the filer's 13F-HR on EDGAR.
Alta Partners Management Company, L.P. (CIK 2054419) reported $127.3M across 2 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: TYRA ($122.1M, 95.92%), VIR ($5.2M, 4.08%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | TYRA | TYRA BIOSCIENCES INC | $122.1M | 95.92% | 3.8M | Hold |
| 2 | VIR | VIR BIOTECHNOLOGY INC | $5.2M | 4.08% | 509,917 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30