Chapin Davis’s Deep Fission Inc FISN Stock Holding History

Chapin Davis’s Portfolio FISN Stock Details FISN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$97.5K	Hold	19,000	–	–	0.02%	253
2026 Q2	$210K	Buy	+19,000	New	+$219K	0.04%	239

Other funds holding FISN

Harbour Capital Advisors Tysons Corner, Virginia $548M AUM 37.76% 1-Year Est. Return

Traphagen Investment Advisors Oradell, New Jersey $1.46B AUM 14.92% 1-Year Est. Return

FNY Investment Advisers New York $402M AUM 85.36% 1-Year Est. Return

Chapin Davis's FISN Position: Q3 2026 in Review

Chapin Davis held its Deep Fission Inc (FISN) position steady in Q3 2026 at 19,000 shares worth $97.5K. The position accounts for 0.02% of the portfolio, ranked #253.

Chapin Davis first reported a position in FISN in Q2 2026 and has held it in 2 quarters since. The position peaked at $210K in Q2 2026. 4 funds tracked by Wall St. Rank hold FISN as of Q3 2026.

Chapin Davis held 19,000 shares of Deep Fission Inc worth $97.5K as of Q3 2026.
Chapin Davis left its Deep Fission Inc share count unchanged in Q3 2026.
Deep Fission Inc made up 0.02% of Chapin Davis's portfolio in Q3 2026, its #253 holding.
Chapin Davis first reported a position in Deep Fission Inc in Q2 2026 and has held it in 2 quarters since.
Chapin Davis's Deep Fission Inc position peaked at $210K in Q2 2026.
4 funds tracked by Wall St. Rank held Deep Fission Inc as of Q3 2026.

Based on Chapin Davis's 13F filing for Q3 2026, filed 9 Oct 2026.