# Castle Island Ventures

> Castle Island Ventures is an exempt reporting adviser in Boston, MA, filing reports since 2018. Exempt reporting advisers do not report regulatory assets under management on Form ADV.

- CRD: 298999
- Filed as: CASTLE ISLAND VENTURES
- Legal name: Castle Island Management, LLC
- Reporting status: Exempt reporting adviser (status as filed: ERA - Active)
- Location: Boston, MA
- Filing period: October 2026
- Form ADV filing dated: March 31, 2026
- Public record (IAPD): https://adviserinfo.sec.gov/firm/summary/298999
- AdvisorCensus page: https://advisorcensus.com/firm/castle-island-ventures-boston-ma-298999

## Quick answers

**Where is Castle Island Ventures located?**
Castle Island Ventures' principal office is in Boston, MA, according to its Form ADV; the April 2026 filing also lists 2 other offices (Schedule D, Section 1.F).

**How does Castle Island Ventures report to regulators?**
Castle Island Ventures is an exempt reporting adviser, filing reports since 2018. Exempt reporting advisers file a shorter Form ADV. Status as filed: ERA - Active. CRD 298999.

**Does Castle Island Ventures report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's public record on IAPD: https://adviserinfo.sec.gov/firm/summary/298999

**What changed in Castle Island Ventures' recent Form ADV filings?**
In the April 2026 filing data: No longer lists the business name Castle Island Ventures. Updated its list of owners and control persons (Schedule A).

## From the Form ADV filing

### Firm details
- Reporting since: 2018 (7 years)
- Employees: Not reported total, Not reported performing advisory functions
- Wrap fee program participation: Not reported
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the April 2026 filing
- Hingham, MA
- Westport, CT

### Websites listed on Form ADV (Item 1.I)
- castleisland.vc
- medium.com/castle-island-ventures
- onthebrink-podcast.com
- LinkedIn @Castle-Island-Ventures
- X @CastleIslandVC

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | Not reported | Not reported | March 11, 2021 |
| October 2022 | Not reported | Not reported | March 31, 2022 |
| October 2023 | Not reported | Not reported | March 29, 2023 |
| October 2024 | Not reported | Not reported | March 29, 2024 |
| October 2025 | Not reported | Not reported | March 29, 2025 |
| October 2026 | Not reported | Not reported | March 31, 2026 |


## Changes in the filing (last 12 months)

### April 2026
- No longer lists the business name Castle Island Ventures.
- Updated its list of owners and control persons (Schedule A).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Castle Island Ventures (CRD 298999): Form ADV filing data as of October 2026.