Activity Companies Alerts About

Elizabeth Muller owns 0.93% of Deep Fission

549,451 shares as of the March 9, 2026 filing, worth $1.9M at the latest close.

FISN · $203M market cap · Founder-led
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Free.
The stake
0.93%
worth $1.9M at the latest close
Stake rank
#2,468
by dollar value of the stake
Last sale
None
no sales since 2016
Last buy
None
no purchases since 2016

Elizabeth Muller owns 0.93% of DEEP FISSION, INC.: 549,451 of 58,905,938 shares, worth about $1.9M at the 2026-10-16 close. The stake has moved from 20.16% in 2025 to 0.93% on 2026-07-27.

How the stake is held

as of the Dec 9, 2025 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Dec 9, 2025 · Form 4 ↗
HELD DIRECTLY
549,451
100.0%
THE STAKE
549,451
0.93%