Form D · Other Investment Fund

Castle Island Ventures I-A, L.P.

Cambridge, MA · CIK 0001748761

Offering snapshot reported Aug 14, 2018 · SEC filing

Reported sold: Yet to sell
Investors reported: 0
Minimum accepted: $0
First sale: Yet to occur

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

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Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Aug 14, 2018	Initial	Yet to sell	No comparison	0	SEC filing

Offering details

Securities: Pooled investment fund
Exemptions: 06b, 3C, 3C.1, 3C.7
Duration over one year: No
Business combination: No

Sales commissions: $0
Finders' fees: $0
Form D file number: 021-319141

Source: Form D, filed Aug 14, 2018. 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

CASTLE ISLAND VENTURES I-A, L.P.

Investment adviser: CASTLE ISLAND MANAGEMENT, LLC

Gross asset value: $11.3M
Beneficial owners: 16
ADV minimum commitment: $0

Reported in Form ADV on Mar 31, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator JUNIPER SQUARE SAN FRANCISCO, California, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor CBIZ CPAS P.C. BOSTON, Massachusetts, United States

Custodian ANCHORAGE DIGITAL BANK N.A. SIOUX FALLS, South Dakota, United States Related to adviser: No

Custodian FIDELITY DIGITAL ASSET SERVICES BOSTON, Massachusetts, United States Related to adviser: No

Custodian FIREBLOCKS TRUST COMPANY, LLC NEW YORK, New York, United States Related to adviser: No

Custodian FIRST CITIZENS BANK & TRUST COMPANY RALEIGH, North Carolina, United States Related to adviser: No

Custodian LEADER BANK ARLINGTON, Massachusetts, United States Related to adviser: No

Custodian RAYMOND JAMES & ASSOCIATES, INC. HUNT VALLEY, Maryland, 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

CBIZ CPAS P.C.
PCAOB 199

RAYMOND JAMES & ASSOCIATES, INC.
SEC 8-10999

Filing source

Form ADV 2079262 · Mar 31, 2026 · Schedule D 7.B.(1), fund 805-1249462972

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

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 Castle Island Gp I, Llc	Promoter

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

One Broadway, 16th Floor
Cambridge, MA, 02142