# Shannon River Fund Management, LLC

> Shannon River Fund Management, LLC is an SEC-registered investment advisory firm in New York, NY, registered since 2012, reporting $500 million to $1 billion in regulatory assets under management in its Form ADV filing dated July 2, 2026.

- CRD: 161538
- Filed as: SHANNON RIVER FUND MANAGEMENT, LLC
- Also doing business as: DOONBEG CAPITAL MANAGEMENT LLC (RELYING ADVISER), DOONBEG FUND MANAGEMENT LLC (RELYING ADVISER), DOONBEG GLOBAL MANAGEMENT LLC (RELYING ADVISER), SHANNON RIVER CAPITAL MANAGEMENT LLC (RELYING ADVISER), SHANNON RIVER GLOBAL MANAGEMENT LLC (RELYING ADVISER)
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: New York, NY
- Filing period: October 2026
- Form ADV filing dated: July 2, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/161538
- AdvisorCensus page: https://advisorcensus.com/firm/shannon-river-fund-management-llc-new-york-ny-161538

## Quick answers

**How is Shannon River Fund Management, LLC compensated?**
On its Form ADV (Item 5.E, October 2026), Shannon River Fund Management, LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees; other. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Shannon River Fund Management, LLC located?**
Shannon River Fund Management, LLC's principal office is in New York, NY, according to its Form ADV; the August 2026 filing also lists 1 other office (Schedule D, Section 1.F).

**Is Shannon River Fund Management, LLC registered with the SEC or a state?**
Shannon River Fund Management, LLC is an SEC-registered investment advisory firm, registered since 2012. Status as filed: Approved. CRD 161538.

**How much does Shannon River Fund Management, LLC manage?**
Shannon River Fund Management, LLC reports $904,709,315 in regulatory assets under management in its Form ADV filing dated July 2, 2026 (100% discretionary).

**How have Shannon River Fund Management, LLC's assets and staff changed since 2021?**
In the Form ADV data for Shannon River Fund Management, LLC: Regulatory assets under management: $1,185,681,559 in the October 2021 data and $904,709,315 in the October 2026 data, down 24%. Total employees: 12 in October 2021 and 9 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Shannon River Fund Management, LLC serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (8).

**Does Shannon River Fund Management, LLC report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/161538

**What changed in Shannon River Fund Management, LLC's recent Form ADV filings?**
In the April 2026 filing data: Employees performing advisory functions went from 6 to 5.

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Performance-based fees
- Other

### Regulatory assets under management (Item 5.F)
- Total: $904,709,315
- Discretionary: $904,709,315
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Pooled investment vehicles (other than investment companies and business development companies) | 8 | $904,709,315 |

### Advisory services (Item 5.G)
- Portfolio management for pooled investment vehicles (other than investment companies)

### Firm details
- Registered since: 2012 (14 years)
- Employees: 9 total, 5 performing advisory functions
- Wrap fee program participation: No
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the August 2026 filing
- Kirkland, WA

### Websites listed on Form ADV (Item 1.I)
- [shannonpartners.com](https://shannonpartners.com)

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $1,185,681,559 | 12 | April 27, 2021 |
| October 2022 | $1,228,261,063 | 12 | July 25, 2022 |
| October 2023 | $642,986,069 | 11 | May 3, 2023 |
| October 2024 | $722,754,167 | 11 | April 25, 2024 |
| October 2025 | $844,717,866 | 9 | March 28, 2025 |
| October 2026 | $904,709,315 | 9 | July 2, 2026 |

Regulatory assets under management: $1,185,681,559 in the October 2021 data and $904,709,315 in the October 2026 data, down 24%.
Total employees: 12 in October 2021 and 9 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Employees performing advisory functions went from 6 to 5.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Shannon River Fund Management, LLC (CRD 161538): Form ADV filing data as of October 2026.