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Alta Partners Management Company, L.P. Portfolio Analytics
Investment Analysis & Holdings Breakdown
Comprehensive portfolio analytics for Alta Partners Management Company, L.P. with $60.0M in long positions as of Q3 2025, 100% allocated to Healthcare, and 100% concentrated in top 10 positions.
- Portfolio Value
- $60.0M
- Top 10 Concentration
- 100%
- Top Sector
- Healthcare (100%)
- US Exposure
- 100%
- Market Cap Focus
- Small Cap
- Countries
- 1
Composition Analysis
Portfolio breakdown by sector, industry, and market capitalization
Sector Allocation
Industry Breakdown
1 industry across all sectors
Filter by Sector
Select a sector to filter industries
Market Cap Distribution
Portfolio Concentration
Geographic Exposure
Portfolio breakdown by country of incorporation
Domestic (US)
International
Countries
Holding Behavior
Investment patterns and position management analysis
Portfolio Stability & Commitment
- Avg. Top 10
- 3 quarters
- Avg. Top 20
- 3 quarters
- Avg. All Positions
- 3 quarters
- Median Holding Period
- 3 quarters
- Persistence Rate
- -
- Persistent Holdings Weight
- -
- Persistent Positions
- 0
- Longest Held
Tyra Biosciences, Inc. Common StockTYRA - 3 quarters
Position Sizing & Influence
Current Quarter
- Avg. New Position
- 0.000%
- Avg. Position Weight
- 50.00%
- Largest Position
- Tyra Biosciences, Inc. Common StockTYRA - 95.15%
- Largest Ownership Stake
- Tyra Biosciences, Inc. Common StockTYRA - 7.66%
- Avg. Ownership Stake
- 7.30%
- Ownership Stake >5%
- 1
- Ownership Stake >1%
- 1
Historical (Since Q4 2024)
- Avg. New Position
- 33.33%
- Avg. Ownership Stake
- 7.25%
- Largest Position
- Tyra Biosciences, Inc. Common StockTYRA - 95.15% (Q3 2025)
- Largest Ownership Stake
- Tyra Biosciences, Inc. Common StockTYRA - 8.06% (Q4 2024)
Portfolio Turnover
Current Quarter
- Turnover Ratio
- 0.0%
- Value Traded
- $0.00
- Positions Added
- 0
- Positions Exited
- 0
Historical (Since Q4 2024)
- Avg. Turnover Ratio
- 12.7%
- Avg. Positions Added
- 1
- Avg. Positions Exited
- 0
- Highest Turnover
- 50.0%Q4 2024