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 (2026-03-31)

Alta Partners Management Company, L.P. (CIK 2054419) reported $151.0M across 2 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: TYRA ($146.4M, 96.97%), VIR ($4.6M, 3.03%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1TYRATYRA BIOSCIENCES INC$146.4M96.97%3.8MHold
2VIRVIR BIOTECHNOLOGY INC$4.6M3.03%509,917Hold

Source: SEC Form 13F filings · as of 2026-03-31