Rebel Fund | Activity | F4

Team Portfolio Raise Essays

F4/Rebel Fund/Activity

Rebel Fund Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

4 essaysShow all

Essay

Heyman showed press-picked YC companies barely outperform the cohort.

On why to ignore TechCrunch at YC Demo Day

jaredheyman.medium.com

Added recently

Essay

Heyman argued the priciest YC startups in each batch are worth the premium.

On why you should invest in the most expensive YC startups

jaredheyman.medium.com

Added recently

Essay

Heyman published a data-driven read of the YC S26 batch.

On the YC S26 batch: Return of the Atoms

jaredheyman.medium.com

Added recently

Essay

Heyman announced Rebel Theorem 5.0, the fund's ML model for predicting YC startup success.

On Rebel Theorem 5.0

jaredheyman.medium.com

Added recently

8 milestones· AUG 2026 – OCT 2026Show all

Milestone

Portfolio company Dili raised $21.7M from Khosla Ventures.

Dili

Added recently

Milestone

Portfolio company Metal raised $4.5M to build an OS for capital formation.

Metal

Added recently

Milestone

Portfolio company Hop Aero raised $11M for suborbital point-to-point delivery.

Hop Aero

payloadspace.com

Added recently

Milestone

Portfolio company Vitalize raised a $31M Series A.

Vitalize

businesswire.comOCT 6, 2026

OCT 6, 2026

Milestone

Portfolio company Jeeves raised $110M to scale its stablecoin banking platform.

Jeeves

fintech.globalSEP 30, 2026

SEP 30, 2026

Milestone

Portfolio company VideoGen raised a $3.3M seed.

VideoGen

finsmes.comSEP 2026

SEP 2026

Milestone

Portfolio company Axle raised $17.5M for its insurance data clearinghouse.

Axle

axios.comAUG 11, 2026

AUG 11, 2026

Milestone

Portfolio company Multiplier raised a $6M seed.

Multiplier

finsmes.comAUG 2026

AUG 2026