Alta Partners Management Company, L.P.
•CIK: 2054419•Filing: Q4 2025
Alta Partners Management Company, L.P. manages $104M across a concentrated portfolio of two key positions. The fund's significant allocation is anchored in TYRA, representing $100.5M of its total assets. A smaller, yet notable, holding is maintained in VIR at $3.1M. This structure indicates a highly focused investment thesis within the current market cycle.
Total AUM
$103.6M
QoQ Performance
+72.7%
Positions
2
Top 10 Concentration
100.0%
Latest Filing
Q4 2025
Top Holdings Allocation
TYRA
TYRA97.0%
VIR3.0%
📈 Biggest Buys
No new positions or increases this quarter
📉 Biggest Sells
TYRA
TYRA BIOSCIENCES INC
-6.3%
97.0% of portfolio
Sector Breakdown
Other100.0%
Changes from Q3 2025
↓1 decreased
Historical Filings
Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024