Samsara BioCapital, LLC BOLT — Bolt Biotherapeutics, Inc

Ownership history in Samsara BioCapital, LLC  ·  19 quarters on record

AI Ownership Summary

Samsara BioCapital, LLC reported Bolt Biotherapeutics, Inc (BOLT) in 19 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 0.23% in 2024 Q1. The latest visible filing shows BOLT at 0.03% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this BOLT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Samsara BioCapital, LLC's position in Bolt Biotherapeutics, Inc, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q3

BOLT was reported at 0.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.23% in 2024 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q3

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

BOLT stock page Samsara BioCapital, LLC fund profile Samsara BioCapital, LLC full holdings
How Samsara BioCapital, LLC held BOLT — position size vs. price
% of Fund (quarterly)    BOLT price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 6.9% +1.1% ❌ 48,830 -3,626 -6.9% 0.03% $260K 2025-11-14 $4.57
2025 Q2 REDUCED 95.0% -8.8% ✅ 52,456 -996,697 -95.0% 0.06% $303K 2025-08-14 $5.44
2025 Q1 UNCHANGED — — — 1,049,153 — 0% 0.07% $420K 2025-05-15 $6.34
2024 Q4 UNCHANGED — — — 1,049,153 — 0% 0.08% $561K 2025-02-14 $10.04
2024 Q3 UNCHANGED — — — 1,049,153 — 0% 0.13% $680K 2024-11-14 $12.44
2024 Q2 UNCHANGED — — — 1,049,153 — 0% 0.16% $787K 2024-08-14 $13.80
2024 Q1 UNCHANGED — — — 1,049,153 — 0% 0.23% $1.5M 2024-05-15 $16.60
2023 Q4 UNCHANGED — — — 1,049,153 — 0% 0.18% $1.2M 2024-02-14 $22.00
11 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding BOLT

As of 2026 Q1 — sorted by position size

T3 Companies, LLC 0.2% NANO CAP NEW MILLENNIUM GROWTH FUND L P 0.1% Nan Fung Group Holdings Ltd 3Y 0.1% Pivotal bioVenture Partners Investment Advisor LLC 3Y 0.06% PFIZER INC 0.06% Vivo Capital, LLC 3Y 7Y 0.02% Sofinnova Investments, Inc. 3Y 7Y 0.02% Lynx1 Capital Management LP 3Y 0.02% Board of Trustees of The Leland Stanford Junior University 3Y 7Y 0.02% Shay Capital LLC 3Y 0.01%

FAQ About Samsara BioCapital, LLC and BOLT

These are the practical questions this page is built to answer before you even open the full history table.

How long has Samsara BioCapital, LLC reported owning BOLT?

Samsara BioCapital, LLC reported BOLT across 8 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported BOLT position in Samsara BioCapital, LLC's portfolio?

The largest reported portfolio weight for BOLT was 0.23% in 2024 Q1.

What is the latest reported BOLT position on this page?

The most recent filing on this page is 2025 Q3, when Samsara BioCapital, LLC reported 48,830 shares, equal to 0.03% of portfolio, with an estimated market value of $260K.

What does the chart on this BOLT ownership page compare?

The chart compares Samsara BioCapital, LLC's quarterly BOLT portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Samsara BioCapital, LLC time their BOLT position?

Based on 13F filing dates vs. subsequent BOLT price moves, Samsara BioCapital, LLC correctly timed 2 out of 3 reported position changes (67%). The annualised alpha on BOLT relative to SPY over the holding period was -67.0%.

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