Alta Partners Management Company, L.P.
JACKSON, WY
$127m in 2 US stocks at the end of 30 June 2026. The top 10 are 100.0% of the money. It changed about 1.1% of the portfolio this quarter.
Value
$127m
Stocks
2
Top 10 share
100.0%
Turnover
1.1%
What changed this quarter
New
Bought for the first time this quarter.
None this quarter.
Added
Bought more of a stock they already held.
None this quarter.
Cut
Sold some of their stake.
None this quarter.
Sold out
Sold their entire stake.
None this quarter.
Holdings
| Company | Share of fund | Value | Shares | Change |
|---|---|---|---|---|
| Tyra BiosciencesTYRA | 95.9% | $122m | 3,823,425 | Held |
| Vir BiotechnologyVIR | 4.1% | $5m | 509,917 | Held |
Over time and by industry
Value over time
Jun '25
Dec '25
Jun '26
Value is up 205.9% since 30 June 2025.
Where the money is
Health care100.0%
From the fund's 13F filings. They list US stocks and options only, 45 days after each quarter, and leave out cash, bonds, shorts and foreign shares.