FISN · NASDAQ · Industrial - Machinery

Deep Fission

Develops borehole-installed nuclear reactors for reliable low-carbon power.

$6.68
After-hours close+0.12 (+1.80%)
At close$6.56(−5.34%)

Breakdown13F · Form 4

Institutions 3.81%Insiders

Shares outstanding 60.33M · Float 32.50M · 53.9% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Blue Owl Capital Holdings LP1.33M2.21%13FAug 11, 2026
Elevation Wealth Management LLC298.3K0.49%13FJul 29, 2026
UBS Group AG198.5K0.33%13FAug 13, 2026
Consolidated Press International Holdings Ltd133.3K0.22%13FAug 13, 2026
Citadel Advisors LLC110.0K0.18%13FAug 14, 2026

Institutions13F, as of Jun 30, 2026

22 holders · 2.30M shares · 22 new positions · 22 increased · 0 reduced · 0 closed

HolderShares% outstandingChg q/qFiled
Blue Owl Capital Holdings LP1.33M2.21%+1.33MnewAug 11, 2026
Elevation Wealth Management LLC298.3K0.49%+298.3KnewJul 29, 2026
UBS Group AG198.5K0.33%+198.5KnewAug 13, 2026
Consolidated Press International Holdings Ltd133.3K0.22%+133.3KnewAug 13, 2026
Citadel Advisors LLC110.0K0.18%+110.0KnewAug 14, 2026
LPL Financial LLC70.9K0.12%+70.9KnewAug 7, 2026
Geode Capital Management, LLC27.3K0.05%+27.3KnewAug 12, 2026
Essential Investment Partners LLC26.4K0.04%+26.4KnewJul 15, 2026

Beneficial owners13D/G · 5% or more, as filed

No 13D/G filer at 5% or more on record.

InsidersForm 4

Latest trades

Nothing filed in the last 12 months.

CongressHouse and Senate disclosures

Not reported.