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Asset Manager ← All Institutions

Alta Partners Management Company, L.P.

115 W SNOW KING AVE, STE 101B, JACKSON, WY 83001 • 415-362-4022

Q1 2026 · Filed 2026-04-21

Q1 2026 Q4 2025 Q3 2025 Q2 2025

Market Value

$151M

+45.8%

Holdings

New Purchases

Added To

Closed

Reduced

Top 10 Concentration

100.0%

Turnover

0.0%

Top Buys (by % of Portfolio)

Symbol	Cur %	Prior %	Chg %	Value
VIR	3.03%	2.97%	+0.06%	$5M

Top Sells (by % of Portfolio)

Symbol	Cur %	Prior %	Chg %	Value
TYRA	96.97%	97.03%	-0.06%	$146M

Sector Allocation Over Time

Industry Breakdown

Industry	Weight
Healthcare	100.0%

Market Cap Concentration

Tier	Holdings	Value	Weight
Small Cap	2	$151M	100.0%

Portfolio Analytics

Avg Market Cap

$1.7B

Median Market Cap

$1.7B

Avg P/E

—

Median P/E

—

Avg Dividend Yield

—%

Avg Beta

1.24

# Stocks

# ETFs / Funds

Top Holdings (2 total)

#	Symbol	% Port	Shares	Value	Avg Price	Q/Q Value Chg	Share Chg	Chg %	Status
1	TYRA	96.97%	3,823,425	$146M	$38.30	$46M	—	—
2	VIR	3.03%	509,917	$5M	$8.96	$1M	—	—

View SEC EDGAR Filings for Alta Partners Management Company, L.P. →