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CIK: 0002054419
Total reported value
$127.3M
$127.3M
2 檔
81.4%
During the Q4 2025 filing period, Alta Partners Management Company, L.P. (CIK: 0002054419) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $127.3M across 2 reported positions.
In Q4 2025, Alta Partners Management Company, L.P. adopted a defensive or profit-taking posture, trimming 1 positions and completely liquidating 0 holdings to manage risk exposure.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | TYRA | Tyra Biosciences Inc | Stock-Other | 97.03% | -1.05% | -6.30% | |
| 2 | VIR | Vir Biotechnology Inc | Stock-Other | 2.97% | +1.05% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | TYRA | Tyra Biosciences Inc | +1.9% | -6.30% | Trim |
| 2 | VIR | Vir Biotechnology Inc | -1.9% | — | Unchanged |
According to official SEC Form 13F filings, Alta Partners Management Company, L.P. reported a total U.S. public equity portfolio value of $127.3M across 2 disclosed positions in Q4 2025.
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In terms of portfolio concentration, the top 5 core holdings (including TYRA, VIR) accounted for 81.4% of total reported equity market value during Q4 2025.
Top Position Liquidated / Trimmed
TYRA
前期市值: $57.1M
During Q4 2025, Alta Partners Management Company, L.P.'s top holdings by market value included TYRA (97.0%)、VIR (3.0%). The largest single position, TYRA, represented 97.0% of total portfolio value.
In Q4 2025, Alta Partners Management Company, L.P. made 1 total portfolio adjustments, initiating 0 new buys, adding to 0 positions, trimming 1 holdings, and fully liquidating 0 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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