# Summa Corp.

> Summa Corp. is an SEC-registered investment advisory firm in The Woodlands, TX, registered since 2016, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated September 17, 2026.

- CRD: 113091
- Filed as: SUMMA CORP.
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: The Woodlands, TX
- Filing period: October 2026
- Form ADV filing dated: September 17, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/113091
- AdvisorCensus page: https://advisorcensus.com/firm/summa-corp-the-woodlands-tx-113091

## Quick answers

**How is Summa Corp. compensated?**
On its Form ADV (Item 5.E, October 2026), Summa Corp. reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees).

**Where is Summa Corp. located?**
Summa Corp.'s principal office is in The Woodlands, TX, according to its Form ADV.

**Is Summa Corp. registered with the SEC or a state?**
Summa Corp. is an SEC-registered investment advisory firm, registered since 2016. Status as filed: Approved. CRD 113091.

**How much does Summa Corp. manage?**
Summa Corp. reports $1,586,540,509 in regulatory assets under management in its Form ADV filing dated September 17, 2026 (88% discretionary).

**How have Summa Corp.'s assets and staff changed since 2021?**
In the Form ADV data for Summa Corp.: Regulatory assets under management: $277,444,290 in the October 2021 data and $1,586,540,509 in the October 2026 data, up 472%. Total employees: 2 in October 2021 and 5 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Summa Corp. serve?**
By number of clients on Form ADV Item 5.D: high net worth individuals (48); individuals (other than high net worth individuals) (36); corporations or other businesses not listed above (3).

**Which custodians does Summa Corp. use?**
Summa Corp.'s most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Banque Pictet & CIE SA, Goldman Sachs & Co. LLC, Interactive Brokers LLC and J.P. Morgan Securities LLC as custodians holding 10% or more of its separately managed account assets.

**Does Summa Corp. 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/113091

**What changed in Summa Corp.'s recent Form ADV filings?**
In the October 2026 filing data: Employees performing advisory functions went from 2 to 3. Regulatory assets under management went from $587,200,902 to $1,586,540,509 (+170%). Updated its list of owners and control persons (Schedule A).

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Fixed fees (other than subscription fees)

### Custodians (Schedule D, Section 5.K(3))
- Banque Pictet & CIE SA
- Goldman Sachs & Co. LLC
- Interactive Brokers LLC
- J.P. Morgan Securities LLC

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

### Regulatory assets under management (Item 5.F)
- Total: $1,586,540,509
- Discretionary: $1,402,054,145
- Non-discretionary: $184,486,364

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 36 | $33,749,259 |
| High net worth individuals | 48 | $1,418,178,555 |
| Other investment advisers | 1 | $125,653,653 |
| Corporations or other businesses not listed above | 3 | $8,959,042 |

### Advisory services (Item 5.G)
- Portfolio management for individuals and/or small businesses
- Selection of other advisers (including private fund managers)
- Other

### Firm details
- Registered since: 2016 (10 years)
- Employees: 5 total, 3 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: TX
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- summa-wealth.com

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $277,444,290 | 2 | March 31, 2021 |
| October 2022 | $276,932,496 | 3 | March 21, 2022 |
| October 2023 | $232,378,001 | 2 | March 1, 2023 |
| October 2024 | $361,619,046 | 2 | March 18, 2024 |
| October 2025 | $458,891,810 | 2 | February 12, 2025 |
| October 2026 | $1,586,540,509 | 5 | September 17, 2026 |

Regulatory assets under management: $277,444,290 in the October 2021 data and $1,586,540,509 in the October 2026 data, up 472%.
Total employees: 2 in October 2021 and 5 in October 2026.

## Changes in the filing (last 12 months)

### October 2026
- Employees performing advisory functions went from 2 to 3.
- Regulatory assets under management went from $587,200,902 to $1,586,540,509 (+170%).
- Updated its list of owners and control persons (Schedule A).

### June 2026
- Updated its list of owners and control persons (Schedule A).

### April 2026
- Regulatory assets under management went from $458,891,810 to $587,200,902 (+28%).

### January 2026
- No longer registered or notice-filed in SD.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Summa Corp. (CRD 113091): Form ADV filing data as of October 2026.