Alta Partners Management Company, L.P.
Follow13F filer, CIK 2054419, JACKSON, WY
Alta Partners Management Company, L.P. reported $41,618,415 across 2 holdings for the quarter ended 2025-06-30, in a 13F-HR filed 2025-08-14.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001415889-25-021829
- Period
- 2025-06-30
- Reported value
- $41.6M
- Holdings
- 2
- Top 10 weight
- 100%
- New
- 0
- Sold out
- 1
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| VIRadded | +8,000 | $40.3K |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| ALLAKOS INCexited | -2,546,147 | -$580K |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Holdings, Q2 2025
Share positions as resolved from 13F-HR 0001415889-25-021829, largest first. % of portfolio is the value over $41,618,415, the sum of the share positions whose value is usable for ratios (method).
Sold out in Q2 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| ALLAKOS INCALLAKOS INC | 2,546,147 | $580K | shares |
How Q2 2025 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001415889-25-021829 | base | 2025-08-14 | acceptance time not in the bulk data set |