# Third Stage Investment Group, LLC

> Third Stage Investment Group, LLC is an SEC-registered investment advisory firm in Bellevue, WA, registered since 2006, reporting under $25 million in regulatory assets under management in its Form ADV filing dated March 24, 2026.

- CRD: 141951
- Filed as: THIRD STAGE INVESTMENT GROUP, LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Bellevue, WA
- Filing period: October 2026
- Form ADV filing dated: March 24, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/141951
- AdvisorCensus page: https://advisorcensus.com/firm/third-stage-investment-group-llc-bellevue-wa-141951

## Quick answers

**How is Third Stage Investment Group, LLC compensated?**
On its Form ADV (Item 5.E, October 2026), Third Stage Investment Group, LLC reports these compensation arrangements: a percentage of assets under its management.

**Where is Third Stage Investment Group, LLC located?**
Third Stage Investment Group, LLC's principal office is in Bellevue, WA, according to its Form ADV.

**Is Third Stage Investment Group, LLC registered with the SEC or a state?**
Third Stage Investment Group, LLC is an SEC-registered investment advisory firm, registered since 2006. Status as filed: Approved. CRD 141951.

**How much does Third Stage Investment Group, LLC manage?**
Third Stage Investment Group, LLC reports $0 in regulatory assets under management in its Form ADV filing dated March 24, 2026.

**How have Third Stage Investment Group, LLC's assets and staff changed since 2021?**
In the Form ADV data for Third Stage Investment Group, LLC: Regulatory assets under management: $0 in the October 2021 data and $0 in the October 2026 data. Total employees: 3 in October 2021 and 3 in October 2026. Assets under management move with markets as well as with clients coming and going.

**Does Third Stage Investment Group, 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/141951

## From the Form ADV filing

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

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

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 0 | $0 |
| High net worth individuals | 0 | $0 |
| Banking or thrift institutions | Not reported | $0 |
| Investment companies | 0 | $0 |
| Business development companies | 0 | $0 |
| Pooled investment vehicles (other than investment companies and business development companies) | 0 | $0 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 0 | $0 |
| Charitable organizations | 0 | $0 |
| State or municipal government entities (including government pension plans) | 0 | $0 |
| Other investment advisers | 0 | $0 |
| Insurance companies | 0 | $0 |
| Sovereign wealth funds and foreign official institutions | Not reported | $0 |
| Corporations or other businesses not listed above | 0 | $0 |
| Other | 0 | $0 |

### Advisory services (Item 5.G)
- Portfolio management for businesses (other than small businesses) or institutional clients

### Firm details
- Registered since: 2006 (19 years)
- Employees: 3 total, 2 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: WA
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $0 | 3 | March 30, 2021 |
| October 2022 | $0 | 3 | March 31, 2022 |
| October 2023 | $0 | 3 | March 31, 2023 |
| October 2024 | $0 | 3 | March 25, 2024 |
| October 2025 | $0 | 3 | March 17, 2025 |
| October 2026 | $0 | 3 | March 24, 2026 |

Regulatory assets under management: $0 in the October 2021 data and $0 in the October 2026 data.
Total employees: 3 in October 2021 and 3 in October 2026.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Third Stage Investment Group, LLC (CRD 141951): Form ADV filing data as of October 2026.