Form D · Private Equity Fund

AlpInvest Co-Investment Fund (Onshore) IX, L.P.

New York, NY · CIK 0001955258

Offering snapshot reported Mar 3, 2025 · SEC filing

Reported sold: $3.41B
Investors reported: 245
Minimum accepted: $0
First sale: Dec 28, 2022

Fundraising history

Reported sold

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

Reported sold$2,333,031,804 → $3,409,752,839
Reported investors147 → 245

Filing history

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Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Mar 3, 2025	Amendment	$3,409,752,839	$1,076,721,035vs Mar 1, 2024	245	SEC filing
Mar 1, 2024	Amendment	$2,333,031,804	No comparison	147	SEC filing
Dec 27, 2022	Initial	Yet to sell	No comparison	0	SEC filing

Offering details

Securities: Pooled investment fund
Exemptions: 06b, 3C, 3C.7
Duration over one year: Yes
Business combination: No

Sales commissions: $1.68M
Finders' fees: $0
Form D file number: 021-468840

$3,529,658,114 HAS BEEN SOLD BY THE ALPINVEST CO-INVESTMENT FUND IX FUND FAMILY (COMPRISED OF THE ISSUERS LISTED HEREIN), INCLUDING SALES MADE IN RELIANCE ON OTHER EXEMPTIONS.

Sales compensation recipients

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Recipient	CRD	Associated broker-dealer
TCG CAPITAL MARKETS L.L.C.	291767
ARNGRIMSSON ADVISORS LIMITED	None
AMCHOR INVESTMENT STRATEGIES, S.G.I.I.C., S.A.	None
PATRIA FINANCE LIMITED	None
MORGAN STANLEY SMITH BARNEY LLC	149777

Source: Form D, filed Mar 3, 2025. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

ALPINVEST CO-INVESTMENT FUND (ONSHORE) IX, L.P.

Investment adviser: ALPINVEST US HOLDINGS, LLC

Gross asset value: $804M
Beneficial owners: 192
ADV minimum commitment: $500K

Reported in Form ADV on Jul 16, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Auditor ERNST & YOUNG AMSTERDAM, Netherlands

Custodian ABN AMRO BANK N.V. AMSTERDAM, Netherlands Related to adviser: No

Marketer ARNGRIMSSON ADVISORS LIMITED LONDON, United Kingdom Related to adviser: No

Marketer BARCLAYS BANK PLC LONDON, United Kingdom Related to adviser: No

Marketer CHINA INTERNATIONAL CAPITAL CORPORATION HONG KONG SECURITIES LIMITED HONG KONG, Hong Kong Related to adviser: No

Marketer CONNECTION CAPITAL MANAGEMENT LLP BIRMINGHAM, United Kingdom Related to adviser: No

Marketer ICAPITAL ADVISORS, LLC NEW YORK, New York, United States Related to adviser: No

Marketer MITSUBISHI UFJ MORGAN STANLEY SECURITIES CO., LTD. TOKYO, Japan Related to adviser: No

Marketer MORGAN STANLEY PURCHASE, New York, United States Related to adviser: No

Marketer NAVIGATE INVESTMENT CONSULTANT CO., LTD. TAI, Taiwan, Republic of China Related to adviser: No

Marketer NH INVESTMENT & SECURITIES CO. SEOUL, Korea, South Related to adviser: No

Marketer PATRIA FINANCE LIMITED GEORGE TOWN, Cayman Islands Related to adviser: No

Marketer VALUE ADVANCED INVESTMENTS LTD HOLON, Israel Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: Yes

ERNST & YOUNG
PCAOB 1396

ICAPITAL ADVISORS, LLC
CRD 177513 · SEC 801-106690

MORGAN STANLEY
CRD 149777 · SEC 801-70103

Filing source

Form ADV 2120359 · Jul 16, 2026 · Schedule D 7.B.(1), fund 805-6226401955

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

Related funds

Funds whose names form a numbered series with this one and that share its city or the name of a related person. Form D does not state how these funds are related.

Fund	Latest Form D	Reported sold	Investors
AlpInvest Co-Investment Fund (Onshore) VII, L.P.	May 1, 2017	Yet to sell	0
AlpInvest Co-Investment Fund (Onshore) VIII, L.P.	Oct 14, 2020	Yet to sell	0
AlpInvest Co-Investment Fund (Onshore) IX, L.P. (this fund)	Mar 3, 2025	$3,409,752,839	245

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
Name	Reported role
N/A Alpinvest Co Investment Ix Gp, L.P.	Promoter
N/A Alpinvest Co Investment Ix Lux Gp S.A R.L.	Promoter

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

C/O Alpinvest Us Holdings, Llc One Vanderbilt Avenue, Suite 3400
New York, NY, 10017