Sidewalk Infrastructure Partners

Other Commercial Services · New York, NY · Founded 2019 · Privately Held (backing)

Operator of an investment holding company intended to solve infrastructural problems and accelerate long-term economic growth. Sidewalk Infrastructure Partners is based in New York, NY and was founded in 2019. Its last reported valuation was $1.3 billion in Feb 2022. It has raised $1.2 billion across 5 recorded rounds; the latest was a $100 million later-stage round in Oct 2025.

Last reported valuation
$1.3B
Oct 2026
Priced at
—
Total raised
$1.2B
Last round
Later Stage VC
Oct 2025
How much has Sidewalk Infrastructure Partners raised?
$1.2Bacross 5 recorded rounds · Aug 2019 – Oct 2025

Most recently, Sidewalk Infrastructure Partners raised $100.0M in its Later Stage VC (Oct 2025).

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Sidewalk Infrastructure Partners round by round

5 rounds
Oct 2025Later Stage VC$100.0MSEC filing▮
1 investors participated
Apr 2025Later Stage VC$200.0MSEC filing▮
1 investors participated
Jan 2022Later Stage VC$60.0MSEC filing▮
1 investors participated
Sep 2021Early Stage VC$190.0M▮
+ 1 more investors · free account
Aug 2019Later Stage VC$400.0MSEC filing▮
5 investors participated

How much has Sidewalk Infrastructure Partners raised?

Sidewalk Infrastructure Partners has raised $1.2 billion across 5 recorded rounds since 2019. The largest was a $60 million later-stage round in Jan 2022; the most recent was a $100 million later-stage round in Oct 2025.

Sidewalk Infrastructure Partners has filed 5 Form Ds with the SEC since 2019, most recently in Nov 2025 ($200 million sold to 1 investor).

Sidewalk Infrastructure Partners investors

3 investors are on record for Sidewalk Infrastructure Partners, including Alphabet, StepStone Group and Teachers' Venture Growth. The later-stage round in Oct 2025 drew 1 investor.

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Frequently asked about Sidewalk Infrastructure Partners

How much has Sidewalk Infrastructure Partners raised?
Sidewalk Infrastructure Partners has raised $1.2B in total across 5 recorded funding rounds.
When was Sidewalk Infrastructure Partners's last funding round?
Sidewalk Infrastructure Partners's most recent recorded round was Later Stage VC in Oct 2025, raising $100.0M.