Pro Vaccines/Boosters #13710542

members (measured 23 Aug 2026, 19:06 UTC)

11 January 2022

created (per Roblox API)

10 August 2026

first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
23 Aug 2026, 19:05	15	first reading

Ownership

Owned by Stud9 (@prorobloxian143) as measured.

Members we’ve seen

Stud9 (@prorobloxian143) — (`Stud9`) (rank 255)

s4m (@samsamjuls21) — (`Epic people`) (rank 253)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

(`Stud9`)1

(`New`)0

(`Epic people`)3

(`Administrator`)0

Member15

(`Member`)11

Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

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Play! Studios#7165738 · 2 shared members

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Tycoon Empire!#5270391 · 2 shared members

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Cheesy Sausages#8754124 · 2 shared members

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Sonic and Amy Squad#12815161 · 2 shared members

33,467

prorobloxian143#10644874 · 2 shared members

S4m's Base#15881623 · 2 shared members

S and M's Group#15578869 · 2 shared members

Soviet navy (sn)#32345865 · 2 shared members

Nosniy Games#3461453 · 1 shared members

53,209,892

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.