Alta Partners Management Company
Alta Partners Management Company reported 2 stocks worth $127M in its 13F filing for Q2 2026, filed Jul 22, 2026. Its largest holdings are TYRA (95.9%) and VIR (4.1%).
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 7 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  TYRA Tyra Biosciences Inc | $122M | 95.9% | 3.8M | No change | 7 of 7 | |
| 2 |  VIR Vir Biotechnology Inc | $5.2M | 4.1% | 510K | No change | 7 of 7 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Reported value
last 7 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Jul 22, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
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All hedge fund holdings →Alta Partners Management Company 13F FAQ
What does Alta Partners Management Company own?
Alta Partners Management Company reported 2 stocks worth $127M in its 13F filing for Q2 2026, filed Jul 22, 2026. Its largest holdings are TYRA (95.9%) and VIR (4.1%). The table above lists every position in the filing (the top 10 without an account).
What did Alta Partners Management Company buy and sell in Q2 2026?
Compared with Q1 2026: 0 new positions, 0 added to, 0 trimmed and 0 sold out.
When will Alta Partners Management Company file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Alta Partners Management Company's portfolio worth?
The Q2 2026 filing reports $127M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.