Alta Partners Management Company, L.P. - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on January 13, 2026, for the 2025 Q4 period, Alta Partners Management Company, L.P. held in its portfolio 2 assets valued at $103,592,643 (i.e. $103.59M).

The most valuable assets in the portfolio included: TYRA BIOSCIENCES INC ($100.52M), and VIR BIOTECHNOLOGY INC ($3.08M),

The chart below shows the top 2 valuable assets, and the table below shows the top 2 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.

Data Source: SEC.

Top Valuable Stocks in Alta Partners Management Company, L.P. Portfolio

TYRA BIOSCIENCES INC

VIR BIOTECHNOLOGY INC

Alta Partners Management Company, L.P. - Stock Holdings in 13F Filings (SEC)

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Name of Issuer	No. of Shares	Value ($)	Class
TYRA BIOSCIENCES INC	3823425	100517843	COM
VIR BIOTECHNOLOGY INC	509917	3074800	COM