Little Harbor Advisors provides portfolio management for investment companies and portfolio management for pooled vehicles. The firm advises 1 private fund.
Little Harbor Advisors reports 4 clients. They include 3 investment companies and 1 pooled investment vehicle. These counts refer to investment vehicles, rather than the individual investors in them. Of its assets, 100.0% ($243M across 4 accounts) are managed with discretion.
| Client type | Clients | Assets |
|---|---|---|
| Investment companies | 75% | 96% |
| Pooled investment vehicles | 25% | 4% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Investment companies | 3 | $234M | 96.4% | $78M |
| Pooled investment vehicles | 1 | $8.62M | 3.6% | $8.62M |
| Total | 4 | $243M | 100% | $60.7M |
- Clients
- 3
- Regulatory AUM
- $234M
- AUM share
- 96.4%
- Avg. per client
- $78M
- Clients
- 1
- Regulatory AUM
- $8.62M
- AUM share
- 3.6%
- Avg. per client
- $8.62M
Total
- Clients
- 4
- Regulatory AUM
- $243M
- AUM share
- 100%
- Avg. per client
- $60.7M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 1
Little Harbor Advisors is paid through a percentage of assets under management and other compensation; its fees and minimums are set out in its brochures on the SEC website.
John Hassett is CEO; the leadership team includes President Richard Tomney, Chief Investment Officer Jeffrey Landle and Chief Compliance Officer Justin Long. It has 13 employees, 11 of them in advisory roles.
Staff
- 13 employees
- 11 in advisory functions
- 1 broker-dealer rep
- Owns 10% to 25% of Little Harbor Advisors, LLC
Tai Equity Holdings, LLC
Control person · since April 2012
- Owns 10% to 25% of Little Harbor Advisors, LLC
Eyk Van Otterloo
since July 2012
- Owns 10% to 25% of Little Harbor Advisors, LLC
Jane Walker McKinney Trust
since May 2014
J.MCK Inc.
Trustee · Control person · since January 1999
- Owns 75% or more of J.MCK Inc.
David Groom
Control person · since January 2000
- Owns 5% to 10% of Little Harbor Advisors, LLC
John Hassett
Control person · since April 2012
Little Harbor Advisors’ regulatory assets grew 2.0× from $123M (March 2021) to $243M (September 2026); clients rose from 2 to 4 and employees fell from 15 to 13.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | StaffEmployees | Offices |
|---|---|---|---|---|
| Sep 2026September 2026 | $243M | 4 | 13 | 1 |
| Mar 2025March 2025 | $202M | 4 | 12 | 1 |
| Mar 2024March 2024 | $205M | 5 | 14 | 1 |
| Mar 2023March 2023 | $198M | 4 | 14 | 1 |
| Mar 2022March 2022 | $353M | 5 | 17 | 1 |
| Mar 2021March 2021 | $123M | 2 | 15 | 1 |
Besides its headquarters, Little Harbor Advisors has 0 offices, with 1 listed address in 1 state.
Massachusetts · 1 listed address
- 30 Doaks Lane, MarbleheadHQ
Contact and registration details
- Legal name
- Little Harbor Advisors, LLC
- Headquarters
- 30 Doaks Lane, Marblehead, MA 01945
- Website
- littleharboradvisors.com
- Phone
- 781-639-3000
- @little-harbor-advisors-llc
- SEC file
- 801-78486
- Structure
- Delaware LLC
- Fiscal year end
- December
Little Harbor Advisors has custody of client assets.
Little Harbor Advisors’ reported 13F holdings for the quarter ended 30 June 2026 total $203M across 6 positions; the largest are State Street SPDR S&P 500 ETF Trust (79.5%), Invesco Qqq Trust Series 1 (12.2%) and State Street SPDR Bloomberg Short Term High Yield Bond ETF (2.1%).
How many clients does Little Harbor Advisors have?
Little Harbor Advisors has 4 clients and manages $243 million for them, as of September 2026. They include 3 investment companies and 1 pooled investment vehicle.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 14 September 2026
What services does Little Harbor Advisors offer?
Little Harbor Advisors provides portfolio management for investment companies and portfolio management for pooled vehicles.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How many financial advisors does Little Harbor Advisors have?
Little Harbor Advisors has 0 investment adviser representatives registered with state securities authorities, out of 13 employees, and 11 perform investment advisory functions. 1 employee is a registered representative of a broker-dealer and 0 employees are licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
Who owns Little Harbor Advisors?
Little Harbor Advisors is owned through a trust by David Groom. Its direct owners are John Hassett, Tai Equity Holdings, LLC, Eyk Van Otterloo and Jane Walker McKinney Trust, each holding 25% or less.
Source: Form ADV Part 1A, Schedules A and B, filed 14 September 2026
How does Little Harbor Advisors get paid?
Little Harbor Advisors is paid through a percentage of assets under management and other compensation. Its Form ADV lists no commissions or performance-based fees among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
How do I contact Little Harbor Advisors?
Little Harbor Advisors’ main office is at 30 Doaks Lane, Marblehead, MA 01945. Its phone number is 781-639-3000. Its website is littleharboradvisors.com.