Filed: 11/7/2025ACC: 0002054419-25-000004
📋 What this filing means
ALTA PARTNERS MANAGEMENT COMPANY, L.P. filed this quarterly 13F‑HR report disclosing 2 equity positions with a total reported market value of $59.99M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
2
Positions
$59.99M
Total AUM (reported)
4.59M
Total Shares
Allocation by class
COM$59.99M100.0%
Portfolio Concentration
Top 3$59.99M100.0%
Top 3 weight
100.0%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 4.59M
Sole
Full voting authority
4.59M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole2
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings2
Rows:
TYRA BIOSCIENCES INC
SOLEShares4.08M
TypeSH
Market value$57.08M
95.15%
Sole
4.08M
Shared
0.00
None
0.00
VIR BIOTECHNOLOGY INC
SOLEShares509.92K
TypeSH
Market value$2.91M
4.85%
Sole
509.92K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
TYRA BIOSCIENCES INCSOLE | COM | 4.08M | SH | $57.08M 95.15% | 4.08M | 0.00 | 0.00 |
VIR BIOTECHNOLOGY INCSOLE | COM | 509.92K | SH | $2.91M 4.85% | 509.92K | 0.00 | 0.00 |