William O'neil + Co. Incorporated
- Regulatory AUM
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- Discretionary
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- Clients
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- Avg AUM / client
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- Accounts
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- Employees
- 39
People (3)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Masotti, Alexander, Victor | General Counsel & Chief Compliance Officer | Nov 2019 (7y) | Less than 5% | |
| Jannetta, Gregory, Samuel | Chief Executive Officer | Jan 2022 (5y) | Less than 5% | |
| Lee, Pan Yun (Ben) | Chief Financial Officer | Mar 2024 (2y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| O'neil Capital Management Inc. | Parent Company | Jan 2010 | A | 75% or more |
| Data Analysis Inc. | Holding Company | Jan 2010 | B | ≈ 56.25% – 100% via O'neil Capital Management Inc. |
| William Scott O'neil Gst Exempt Trust Share Under The Fay C. O'neil Irrevocable Trust Of 2014, Dated As Of July 8, 2024 | Shareholder | Jul 2024 | B | ≈ 28.13% – 75% via Data Analysis Inc. |
| William Scott O'neil Gst Exempt Trust Share Under The William J. O'neil Irrevocable Trust Of 2014, Dated As Of July 8, 2024 | Shareholder | Jul 2024 | B | ≈ 28.13% – 75% via Data Analysis Inc. |
| Icontrust, Llc | Trustee | Jul 2024 | B | GP / trustee / elected manager of William Scott O'neil Gst Exempt Trust Share Under The Fay C. O'neil Irrevocable Trust Of 2014, Dated As Of July 8, 2024 (indirect) |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Data Analysis Inc.: 75% – 100% of O'neil Capital Management Inc. × 75% – 100% direct ≈ 56.25% – 100% of the firm
- William Scott O'neil Gst Exempt Trust Share Under The Fay C. O'neil Irrevocable Trust Of 2014, Dated As Of July 8, 2024: 50% – 75% of Data Analysis Inc. × 75% – 100% of O'neil Capital Management Inc. × 75% – 100% direct ≈ 28.13% – 75% of the firm
- William Scott O'neil Gst Exempt Trust Share Under The William J. O'neil Irrevocable Trust Of 2014, Dated As Of July 8, 2024: 50% – 75% of Data Analysis Inc. × 75% – 100% of O'neil Capital Management Inc. × 75% – 100% direct ≈ 28.13% – 75% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/20/2026 | 1.11 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Subscription fees
- • Fixed fees
Services
- • Publication of periodicals or newsletters
- • Other services
Custody
Firm reports it does not have custody of client funds or securities (Item 9.A).
No custodian data reported or mined yet.
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 20, 2026.
View current Form ADV (SEC/IAPD) ↗