Investment adviser · CRD 159892

3I CORPORATION

Investment adviser filing (IA)

NEW YORK, NY, United States · Form ADV filed Jun 29, 2026

Regulatory AUM
$2.7B
Form ADV · Item 5.F
Client accounts
9
Accounts, not individual clients
Employees
27
Reported in this filing
Advisory professionals
26
Investment advisory functions

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client typeClientsRegulatory assetsShare of AUM
Other investment advisers1$2,131,221,69079.0%
Pooled investment vehicles8$566,064,53021.0%
Filing source

Form ADV 2114823 · Jun 29, 2026 · Item 5.D

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Private funds & service providers

19 Private funds

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

3I NORTH AMERICAN INFRASTRUCTURE FUND B LPPrivate Equity Fund · Last reported Jun 29, 2026$232MGross asset value

Form D fundraising filings

3i NORTH AMERICAN INFRASTRUCTURE FUND B LP

Fund administrator 3I INVESTMENTS PLC LONDON, United Kingdom Investor statements: Yes (provided to all investors) Related to adviser: Yes
Auditor RSM US LLP NEW YORK, New York, United States
Custodian BARCLAYS BANK PLC NEW YORK, New York, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

RSM US LLP
PCAOB 49

Fund details & source
Fund ID
805-9374076058
Reported beneficial owners
7
Minimum commitment
$10M
Form D file number
021-438686

Form ADV 2114823 · Jun 29, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

3I RR COINVEST LPPrivate Equity Fund · Last reported Jun 29, 2026$161MGross asset value

Form D fundraising filings

3i RR COINVEST LP

Fund administrator 3I INVESTMENTS PLC LONDON, United Kingdom Investor statements: Yes (provided to all investors) Related to adviser: Yes
Auditor RSM US LLP NEW YORK, New York, United States
Custodian BARCLAYS BANK PLC NEW YORK, New York, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

RSM US LLP
PCAOB 49

Fund details & source
Fund ID
805-6933318205
Reported beneficial owners
4
Minimum commitment
$1
Form D file number
021-427915

Form ADV 2114823 · Jun 29, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

3I NORTH AMERICAN INFRASTRUCTURE FUND C LPPrivate Equity Fund · Last reported Jun 29, 2026$92.1MGross asset value

Form D fundraising filings

3i NORTH AMERICAN INFRASTRUCTURE FUND C LP

Fund administrator 3I INVESTMENTS PLC LONDON, United Kingdom Investor statements: Yes (provided to all investors) Related to adviser: Yes
Auditor RSM US LLP NEW YORK, New York, United States
Custodian BARCLAYS BANK PLC NEW YORK, New York, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

RSM US LLP
PCAOB 49

Fund details & source
Fund ID
805-4740328520
Reported beneficial owners
4
Minimum commitment
$10M
Form D file number
021-438685

Form ADV 2114823 · Jun 29, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

3I MME COINVEST LPPrivate Equity Fund · Last reported Jun 29, 2026$39.4MGross asset value

Form D fundraising filings

3i MME COINVEST LP

Fund administrator 3I INVESTMENTS PLC LONDON, United Kingdom Investor statements: Yes (provided to all investors) Related to adviser: Yes
Auditor RSM US LLP NEW YORK, New York, United States
Custodian BARCLAYS BANK PLC NEW YORK, New York, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

RSM US LLP
PCAOB 49

Fund details & source
Fund ID
805-7985385976
Reported beneficial owners
4
Minimum commitment
$1
Form D file number
021-488896

Form ADV 2114823 · Jun 29, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

3I ECW COINVEST LPPrivate Equity Fund · Last reported Jun 29, 2026$24.2MGross asset value

Form D fundraising filings

3i ECW COINVEST LP

Fund administrator 3I INVESTMENTS PLC LONDON, United Kingdom Investor statements: Yes (provided to all investors) Related to adviser: Yes
Auditor RSM US LLP NEW YORK, New York, United States
Custodian BARCLAYS BANK PLC NEW YORK, New York, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

RSM US LLP
PCAOB 49

Fund details & source
Fund ID
805-3552945030
Reported beneficial owners
1
Minimum commitment
$1
Form D file number
021-431308

Form ADV 2114823 · Jun 29, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

NORTH AMERICAN INFRASTRUCTURE CARRY AND COINVEST LPPrivate Equity Fund · Last reported Jun 29, 2026$7.21MGross asset value
Fund administrator 3I INVESTMENTS PLC LONDON, United Kingdom Investor statements: Yes (provided to all investors) Related to adviser: Yes
Auditor RSM US LLP NEW YORK, New York, United States
Custodian BARCLAYS BANK PLC NEW YORK, New York, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

RSM US LLP
PCAOB 49

Fund details & source
Fund ID
805-1110059024
Reported beneficial owners
8
Minimum commitment
$1

Form ADV 2114823 · Jun 29, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

PE 2019-22 CO-INVEST LPPrivate Equity Fund · Last reported Jun 29, 2026$5.26MGross asset value
Fund administrator 3I INVESTMENT PLC LONDON, United Kingdom Investor statements: No (provided to no investors) Related to adviser: Yes
Auditor KPMG LLP LONDON, United Kingdom
Custodian BARCLAYS BANK PLC LONDON, United Kingdom Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

KPMG LLP
PCAOB 1118

Fund details & source
Fund ID
805-3169146217
Reported beneficial owners
49
Minimum commitment
$1

Form ADV 2114823 · Jun 29, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Services & filing details

Most recent filing: Jun 29, 2026. View historical filings

Reported services

Pooled investment vehicle management

Compensation

Percentage of assets · Fixed · Performance-based

Principal office

300 PARK AVENUE, 23RD FLOOR
NEW YORK, NY, 10022, United States

CRD 159892

Filing source

Form ADV 2114823 · Jun 29, 2026 · Items 1 & 5

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.