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3I Corporation

Private equity adviser New York, NY 3i.com

SEC data as of Sep 30, 2026

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  1. 3I Corporation is an SEC-registered investment adviser based in New York, NY.

    Form ADV
  2. It reports 8 private funds on Form ADV, all private equity. The largest is 3I North American Infrastructure Fund B LPfund, at $232M.

    Form ADV
  3. Its website lists 8 deals, the latest Joulzcompany in 2024 (the deal).

    Website
  4. Its website lists 76 portfolio companies, 43 of them current, among them Actioncompany and Aessealcompany.

    Website
  5. SEC filings name 5 people, including Robert K. Collins, Director.

    Form ADV

Funds

first 2 of 8CSV

FundTypeGross assetsOwnersSource
3I North American Infrastructure Fund B LPPrivate equity$232M7Form ADV
3I RR Coinvest LPPrivate equity$161M4Form ADV

6 more funds

$173M in gross assets between them.

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Fund offerings

first 2 of 5

VehicleLast filedSoldOfferingInvestorsSource
3i RR COINVEST LP · Private equityJun 25, 2024$105MOpen-ended4Form D
3i MME COINVEST LP · Private equityAug 7, 2023$0Open-ended0Form D

3 more offerings

$190M sold between them.

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Deals

first 2 of 8CSV

DateDealIts roleSource
2024Joulz · PlatformBuyerWebsite
2024WilsonHCG · PlatformBuyerWebsite

6 more deals

Going back to 2023.

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Portfolio companies

first 2 of 76CSV

CompanySectorStatusSource
ActionConsumer & Private LabelCurrent · 2011Website
AessealIndustrialCurrent · 2007Website

74 more companies

41 current and 33 past.

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People

first 2 of 5CSV

NameTitleSource
Robert K. CollinsDirectorForm ADV
John Paul DecesareChief Compliance OfficerForm ADV

3 more people

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On file

Name as filed
3I CORPORATIONForm ADV
SEC file number
801-73360SEC
CRD
159892Form ADV
Address
300 Park Avenue, New York, NY 10022Form ADV
Website
3i.comForm ADV