Gilder Gagnon Howe & Co. Llc
- Regulatory AUM
- $12.1B
- Discretionary
- $12.1B
- Clients
- 5,749
- Avg AUM / client
- $2.1M
- Accounts
- 8,648
- Employees
- 84
AUM over time
Annual snapshots from Form ADV filings · as of Mar 24, 2026
Asset allocation (SMA assets by investment type)
as of Mar 24, 2026Share of SMA assets by investment vehicle type, as filed in Form ADV Item 5.K. Dollar figures are percentages applied to total regulatory AUM.
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 2,741 | $408M | 3.36% |
| High net worth individuals | 2,663 | $9.2B | 75.7% |
| Pension and profit sharing plans | 2 | $322M | 2.66% |
| Charitable organizations | 34 | $274M | 2.26% |
| Corporations and other businesses | 309 | $1.9B | 16.0% |
People (38)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| David Stewart Howe | Managing Member | Jan 1999 (28y) | 10% – 25% | |
| Ali, Shafqat | Chief Information Security Officer/Member | Jan 2004 (23y) | Less than 5% | |
| Benzaquen, Norman Salomon | Managing Member | Mar 2005 (21y) | Less than 5% | |
| Travis Knapp Anderson | Managing Member | Mar 2005 (21y) | 5% – 10% | |
| Michael Patrick Mccormick | Member | Jan 2012 (15y) | 5% – 10% | |
| Williams, Francis Hunnewell | Member | Jan 2012 (15y) | 5% – 10% | |
| Huynh, David Co | Chief Financial Officer | Jun 2014 (12y) | Less than 5% | |
| Esposito, Laura Michele | Chief Compliance Officer | Nov 2018 (8y) | Less than 5% | |
| James Michael Deutsch | Chief Executive Officer/Managing Member | Jan 2021 (6y) | 5% – 10% | |
| Shaiza Mariam Rizavi | Chief Executive Officer / Managing Member | Jan 2021 (6y) | 25% – 50% | |
| Onelia A Rodriguez Cepin | Registered representative | Feb 2021 (5y) | ||
| Andrea Michelle Green | Registered representative | Feb 2021 (5y) | ||
| Mark Richard Boltres | Registered representative | Mar 2021 (5y) | ||
| Alexander Carr Derbes | Registered representative | May 2021 (5y) | ||
| Arash Ganjian | Registered representative | May 2021 (5y) | ||
| Arthur Stephen Ferreri | Registered representative | May 2021 (5y) | ||
| Denis J. O'kane | Registered representative | May 2021 (5y) | ||
| Hitesh Shah | Registered representative | May 2021 (5y) | ||
| James Richard Lamar | Registered representative | May 2021 (5y) | ||
| John L Colton | Registered representative | May 2021 (5y) | ||
| Karen Legotte Langdon | Registered representative | May 2021 (5y) | ||
| Kimberly Elizabeth Viggiano | Registered representative | May 2021 (5y) | ||
| Lucy Tang | Registered representative | May 2021 (5y) | ||
| Michael S Bermingham | Registered representative | May 2021 (5y) | ||
| Sanford Braun | Registered representative | May 2021 (5y) | ||
| Victoria Ruth Ross | Registered representative | May 2021 (5y) | ||
| Yaroslav Faybishenko | Registered representative | May 2021 (5y) | ||
| Charles Levy | Registered representative | Jun 2021 (5y) | ||
| Cedric Jonathan Welch | Registered representative | Sep 2021 (5y) | ||
| Deven Ambrose Markase | Registered representative | Jul 2022 (4y) | ||
| Jamie Beth Sherr | Registered representative | Sep 2022 (4y) | ||
| Darnell Wilson | Registered representative | Jun 2023 (3y) | ||
| Ying Si Zhang | Registered representative | Aug 2023 (3y) | ||
| Andrew Li Chang | Registered representative | May 2025 (1y) | ||
| Cecilia Thien An Hoang | Registered representative | Jul 2025 (1y) | ||
| Matthew James Funaro | Registered representative | Jan 2026 (1y) | ||
| Meredith Aerin Lipman | Registered representative | Mar 2026 (0y) | ||
| Michael Gabay | Registered representative | Jun 2026 (0y) |
Undisclosed: 0% – 45% of the firm is not attributable from the filed Schedule A bands.
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) | 03/24/2026 | 1.02 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
Allegations: ON SEPTEMBER 17, 2020, THE SEC ENTERED AN ORDER AGAINST GGHC, FOLLOWING THE FIRM'S OFFER OF SETTLEMENT. THE SEC FOUND THAT CERTAIN REVIEWS OF CLIENT ACCOUNTS FOR POTENTIALLY EXCESSIVE TRADING WERE NOT CONDUCTED FROM 2017 THROUGH EARLY 2018. THE SEC ALSO FOUND THAT GGHC'S CHIEF COMPLIANCE OFFICER AT THE TIME, WHO WAS REQUIRED BY GGHC'S POLICIES TO CONDUCT THE REVIEWS, ALTERED DOCUMENTS RELATING TO THE REVIEWS, AND PRODUCED THESE ALTERED DOCUMENTS TO THE SEC STAFF ON BEHALF OF THE FIRM. THE SEC FOUND THAT THE FIRM WILLFULLY VIOLATED SECTION 206(4) OF THE ADVISERS ACT AND RULE 206(4)-7 THEREUNDER. GGHC NEITHER ADMITTED NOR DENIED THE SEC'S FINDINGS. Status: Final Sanction Detail: SOLELY FOR THE PURPOSE OF SETTLING THIS PROCEEDING, GGHC CONSENTED TO A CEASE-AND-DESIST ORDER, A CENSURE, AND TO PAY A $1.7 MILLION CIVIL MONETARY PENALTY, WHICH WAS PAID ON SEPTEMBER 17, 2020 Summary: THE ALLEGATIONS, DISPOSITIONS, FINDINGS AND SANCTIONS OF THE ORDER ARE DESCRIBED ABOVE IN ITEMS 7 AND 12.
Disclosure text reproduced verbatim from the firm's own Form ADV filings.
How they charge
- • Percentage of assets under management
- • Commissions
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for businesses/institutional clients
Custody
Reported custodians
- National Financial Services (Fidelity) $11.9B (99% of AUM) Mar 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 24, 2026.
View current Form ADV (SEC/IAPD) ↗