Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Alta Partners Management Company, L.P. 13F Holdings -- Portfolio & Top Positions (2026-06-30)

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.

RankTickerCompanyValue% PortfolioSharesAction
1TYRATYRA BIOSCIENCES INC$122.1M95.92%3.8MHold
2VIRVIR BIOTECHNOLOGY INC$5.2M4.08%509,917Hold

Source: SEC Form 13F filings · as of 2026-06-30