Alta Partners Management Company, L.P.

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 5, 2025), Alta Partners Management Company, L.P. reported 3 stock positions worth $63.4 million. Its top holding was Tyra Biosciences (TYRA) at 89.5% of the portfolio, followed by Vir Biotechnology (VIR, 5.7%) and Allakos (ALLK, 4.9%).

Most Recent 13F
Q2 2026
Location
JACKSON, WY
CIK
0002054419
Portfolio Value
$63.4M (Q4 2024)
SEC Filing
0001104659-25-009680 ↗ filed Feb 5, 2025

Holdings Value

0$50.0M$100.0M$150.0M$200.0M Q4 2024: $63.4M $63.4M Q4 2024 Q1 2025: $41.8M Q1 2025 Q2 2025: $41.6M Q2 2025 Q3 2025: $60.0M Q3 2025 Q4 2025: $103.6M Q4 2025 Q1 2026: $151.0M Q1 2026 Q2 2026: $127.3M Q2 2026

Holdings 3 stocks · $63.4M
TYRA Tyra Biosciences Inc. 89.47% 4,080,296 $56.7M —
VIR Vir Biotechnology Inc. 5.67% 489,485 $3.6M —
ALLK Allakos LLC 4.86% 2,546,147 $3.1M —

Portfolio Sells Q4 2024

No earlier filing to compare with.

Portfolio Buys Q4 2024

No earlier filing to compare with.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 2$127.3MTYRA, VIR
Q1 2026 2$151.0MTYRA, VIR
Q4 2025 2$103.6MTYRA, VIR
Q3 2025 2$60.0MTYRA, VIR
Q2 2025 2$41.6MTYRA, VIR
Q1 2025 3$41.8MTYRA, VIR, ALLK
Q4 2024 3$63.4MTYRA, VIR, ALLK