MEMX Funding: $135M Raised, Investors & Rounds

MEMX has raised $135M in total funding. Backed by BlackRock, Citadel Securities, Morgan Stanley.

MEMX funding overview

MEMX has raised $135M in total disclosed funding. That places its disclosed total in the $100M–$250M range. The round record for MEMX runs through 2021; nothing later has been disclosed. Investors on record include BlackRock, Citadel Securities, Morgan Stanley, Optiver. 4 distinct backers are named across the disclosed rounds.

MEMX at a glance

Total raised
$135M
Latest round date
March 2021
Notable investors
BlackRock, Citadel Securities, Morgan Stanley, Optiver

Frequently asked about MEMX funding

How much has MEMX raised?
MEMX has raised $135M in total disclosed funding across the rounds on record.
Who has invested in MEMX?
BlackRock, Citadel Securities, Morgan Stanley, Optiver are named among the investors backing MEMX.
What was the latest MEMX funding round?
No round stage has been disclosed for MEMX.
Where is MEMX based?
No headquarters location is disclosed for MEMX.
When did MEMX last raise?
The last disclosed MEMX round closed in March 2021.

Every MEMX figure above comes from filings and announced rounds in the StartupFundraising company database and is revised as new rounds are recorded. The lists below compare companies at a similar stage.

Companies related to MEMX (18)

Browse related funding lists (3)

Company funding database · Investor directory · Founder database · Mega-rounds 2026

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