Samsara BioCapital, LLC logo

Samsara BioCapital, LLC Portfolio Analytics

Investment Analysis & Holdings Breakdown

Comprehensive portfolio analytics for Samsara BioCapital, LLC with $765.9M in long positions as of Q3 2025, 76% allocated to Healthcare, and 89% concentrated in top 10 positions.

Portfolio Value
$765.9M
Top 10 Concentration
89%
Top Sector
Healthcare (76%)
US Exposure
98%
Market Cap Focus
Mid Cap
Countries
3

Composition Analysis

Portfolio breakdown by sector, industry, and market capitalization

Sector Allocation

Healthcare: 75.60%Healthcare
Healthcare
75.60%

Industry Breakdown

2 industries across all sectors

Biotechnology: 72.44%BiotechnologyDrug Manufacturers - Specialty & Generic: 3.17%
Biotechnology
Healthcare
72.44%
Drug Manufacturers - Specialty & Generic
Healthcare
3.17%

Filter by Sector

Select a sector to filter industries

Market Cap Distribution

Mid Cap ($2B - $10B): 59.57%Mid Cap ($2B - $10B)Small Cap ($300M - $2B): 23.62%Small Cap ($300M - $2B)Micro Cap ($50M - $300M): 15.94%Micro Cap ($50M - $300M)Nano Cap (< $50M): 0.03%N/A (ETF or Unknown): 0.84%
Mid Cap ($2B - $10B)
59.57%
Small Cap ($300M - $2B)
23.62%
Micro Cap ($50M - $300M)
15.94%
Nano Cap (< $50M)
0.03%
N/A (ETF or Unknown)
0.84%

Portfolio Concentration

Top 10 Holdings %
89.44%
Top 20 Holdings %
98.77%
Top 50 Holdings %
100.0%
Top 100 Holdings %
100.0%

Geographic Exposure

Portfolio breakdown by country of incorporation

Domestic (US)
98.19%
International
1.81%
Countries
3
Largest Int'l Market
Ireland - 1.35%
United States of America
98.19% ($752.1M)
25 holdings
Ireland
1.35% ($10.3M)
1 holdings
Canada
0.46% ($3.6M)
1 holdings

Holding Behavior

Investment patterns and position management analysis

Portfolio Stability & Commitment

Avg. Top 10
5.7 quarters
Avg. Top 20
7.6 quarters
Avg. All Positions
9.1 quarters
Median Holding Period
6 quarters
Persistence Rate
62.96%
Persistent Holdings Weight
75.41%
Persistent Positions
17
Longest Held
Sutro Biopharma, Inc. logo
Sutro Biopharma, Inc.STRO - 27 quarters

Position Sizing & Influence

Current Quarter

Avg. New Position
1.82%
Avg. Position Weight
3.70%
Largest Position
Mineralys Therapeutics, Inc. Common Stock logo
Mineralys Therapeutics, Inc. Common StockMLYS - 31.01%
Largest Ownership Stake
Kalaris Therapeutics, Inc. Common Stock logo
Kalaris Therapeutics, Inc. Common StockKLRS - 61.21%
Avg. Ownership Stake
10.99%
Ownership Stake >5%
7
Ownership Stake >1%
18

Historical (Since Q4 2018)

Avg. New Position
5.01%
Avg. Ownership Stake
4.90%
Largest Position
Allakos Inc. logo
Allakos Inc.ALLK - 48.50% (Q4 2018)
Largest Ownership Stake
Kalaris Therapeutics, Inc. Common Stock logo
Kalaris Therapeutics, Inc. Common StockKLRS - 61.21% (Q2 2025)

Portfolio Turnover

Current Quarter

Turnover Ratio
6.1%
Value Traded
$46.53M
Positions Added
1
Positions Exited
4

Historical (Since Q4 2018)

Avg. Turnover Ratio
16.2%
Avg. Positions Added
5
Avg. Positions Exited
4
Highest Turnover
50.0%
Q4 2018
Lowest Turnover
1.2%
Q3 2022

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