Funding
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Playground Global

Activity from announced rounds

Activity in this selectionOct 17, 2026 · AI · Jul 20, 2026

Playground Global is a deep-technology firm whose official portfolio identifies Infinimmune and PicoJool and which Mesa names as financing lead.

Recorded funding activity

Mesa develops miniature quantum sensors. PicoJool develops optical computing links, while RegCell develops reprogrammed immune-cell therapies. These investments concern different physical and biological systems.

Sources
Rounds participated in
2
Confirmed lead rounds
0
1 roles undisclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$102.5M
2 disclosed · full round size, not this investor’s share

By stage

Series A2

By primary sector

Biotech1
Hardware1

By country

United States2

Rounds

2 in this selection
PicoJool

PicoJool develops optical chips and transceiver modules for high-bandwidth, low-power connections in AI data centres.

$27.5MSeries A
Participant
Infinimmune

Develops human-derived antibody therapeutics for atopic dermatitis and inflammatory disease

$75MSeries A
Role not disclosed