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SR One Capital Management, LP

Location
Redwood City, CA
Portfolio Value
Small $914,169,725
Diversification
Moderately concentrated
Filing Date
Global Rank
#1,601 / 8,232 ▲ 427
Top Industry
Biotechnology 100.0%
3Y Alpha vs SPY
+1.1%
Period ended 2 months ago
Filed May 14, 2026 · 30d
18 quarters · since Dec 2021

Clone Performance

Jun 2023–Jun 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio
+81.6%
SPY
+76.5%
Annualised alpha
+1.1%
Max drawdown
−48.3%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

14 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
29.5%
+3.5 pts
Top 5
75.0%
−4.4 pts
Top 10
96.5%
−1.2 pts
HHI
1,535
Jun 2023 → Mar 2026 · range 1,535 – 5,700
Moderately concentrated−64

Portfolio Trend

18 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Healthcare 100.0% $914,169,725

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased
No qualifying positions this quarter.

Trimmed

Positions the filer reduced
No qualifying positions this quarter.

New Positions

Positions the filer opened this quarter
1 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
No qualifying positions this quarter.

Portfolio Positions

Export CSV View 13F filing
14 positions · $914,169,725 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio History