Gardner Lewis Asset Management provides portfolio management for individuals and small businesses, portfolio management for investment companies, portfolio management for pooled vehicles, and portfolio management for institutions. The firm advises 5 private funds.
Gardner Lewis Asset Management reports 12 clients. They include 11 pooled investment vehicles and 1 investment company. Of its assets, 100.0% ($456M across 16 accounts) are managed with discretion.
| Client type | Clients | Assets |
|---|---|---|
| High-net-worth individuals | Fewer than 5 | <1% |
| Investment companies | 8% | 10% |
| Pooled investment vehicles | 92% | 78% |
| Corporations and other businesses | Fewer than 5 | 11% |
Client shares use reported counts. Client types without a reported count are excluded from that total.
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| High-net-worth individuals | Fewer than 5 | $3.28M | 0.7% | — |
| Investment companies | 1 | $47.9M | 10.5% | $47.9M |
| Pooled investment vehicles | 11 | $355M | 77.8% | $32.3M |
| Corporations and other businesses | Fewer than 5 | $50.2M | 11.0% | — |
| Total | 12 | $456M | 100% | — |
- Clients
- Fewer than 5
- Regulatory AUM
- $3.28M
- AUM share
- 0.7%
- Avg. per client
- —
- Clients
- 1
- Regulatory AUM
- $47.9M
- AUM share
- 10.5%
- Avg. per client
- $47.9M
- Clients
- 11
- Regulatory AUM
- $355M
- AUM share
- 77.8%
- Avg. per client
- $32.3M
- Clients
- Fewer than 5
- Regulatory AUM
- $50.2M
- AUM share
- 11.0%
- Avg. per client
- —
Total
- Clients
- 12
- Regulatory AUM
- $456M
- AUM share
- 100%
- Avg. per client
- —
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 5
- Financial planning clients last fiscal year
- 0
Gardner Lewis Asset Management is paid through a percentage of assets under management and performance-based fees; its fees and minimums are set out in its brochures on the SEC website.
William Gardner owns 75% or more of Gardner Lewis Asset Management. It has 8 employees, 5 of them in advisory roles.
Leadership
- Denise CarusoCCO
- William GardnerLimited Partner
Investment adviser representatives
1 representatives listed in the SEC register as of 9 October 2026.
- William Whitfield Gardner
Staff
- 8 employees
- 5 in advisory functions
- 1 state-registered rep
- Owns 75% or more of Gardner Lewis Asset Management LP
William Gardner
Control person · since September 1994
Gardner Lewis Asset Management’s regulatory assets fell from $562M (June 2021) to $456M (July 2026); clients were 12 in both filings and employees fell from 12 to 8.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| July 2026 | $456M | 12 | 8 | 1 |
| May 2025 | $431M | 10 | 9 | 1 |
| March 2024 | $357M | 12 | 10 | 1 |
| June 2023 | $342M | 12 | 10 | 1 |
| March 2022 | $561M | 12 | 10 | 1 |
| June 2021 | $562M | 12 | 12 | 1 |
Besides its headquarters, Gardner Lewis Asset Management has 0 offices, with 1 listed address in Pennsylvania.
Pennsylvania · 1 listed address
- 285 Wilmington West Chester Pike, Chadds FordHQ
Contact and registration details
- Legal name
- Gardner Lewis Asset Management LP
- Headquarters
- 285 Wilmington West Chester Pike, Chadds Ford, PA 19317-9039
- Website
- chesapeakefunds.com
- Phone
- 610-558-2800
- SEC file
- 801-36476
- Structure
- Pennsylvania limited partnership
- Fiscal year end
- December
Gardner Lewis Asset Management uses Northern Trust ($35.8M, 75%) and Goldman Sachs & Co. ($12.2M, 25%) as custodians for its separately managed accounts. Gardner Lewis Asset Management has custody of $69.7M in client assets for 3 clients.
- Goldman Sachs & Co.Goldman Sachs & Co. LLC · New York, NY · $12.2M25%
- Northern TrustNorthern Trust Co. LLC · Chicago, IL · $35.8M75%
At year end, Gardner Lewis Asset Management’s separately managed accounts were mostly in stocks (96%). Its reported 13F holdings for the quarter ended 30 June 2026 total $449M across 75 positions; the largest are Nvidia Corp.. (10.0%), Stellar Bancorp, Inc.. (7.1%) and Janus Henderson Group PLC (5.3%).
What the accounts hold
- Stocks96%
- Cash4%
Reported 13F holdings
- $449M
- Reported 13F value
- 75
- Positions
- 48.3%
- In the 10 largest
- −2.8%
- Value vs. prior quarter
- Nvidia Corp..10.0%
- Stellar Bancorp, Inc..7.1%
- Janus Henderson Group PLC5.3%
- Talkspace, Inc..4.3%
- Chart Industries, Inc..4.0%
- UBS Group AG4.0%
- Citigroup Inc..3.6%
- Boeing Co.3.4%
- Digitalbridge Group, Inc..3.2%
- Apple, Inc..3.2%
Together, the ten largest are 48.3% of reported value.
How many clients does Gardner Lewis Asset Management have?
Gardner Lewis Asset Management has 12 clients and manages $456 million for them, as of July 2026. They include 11 pooled investment vehicles and 1 investment company.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 21 July 2026
What services does Gardner Lewis Asset Management offer?
Gardner Lewis Asset Management provides portfolio management for individuals and small businesses, portfolio management for investment companies, portfolio management for pooled vehicles, and portfolio management for institutions.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does Gardner Lewis Asset Management use?
Gardner Lewis Asset Management’s separately managed account assets are held at Northern Trust Co. LLC (Chicago, IL), with $35.8M and Goldman Sachs & Co. LLC (New York, NY), with $12.2M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 21 July 2026
How many financial advisors does Gardner Lewis Asset Management have?
Gardner Lewis Asset Management has 1 investment adviser representative registered with state securities authorities, out of 8 employees, and 5 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does Gardner Lewis Asset Management invest in?
At the end of its last fiscal year, Gardner Lewis Asset Management’s separately managed accounts held 96% exchange-traded equities and 4% cash and equivalents. It advises 5 private funds.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Gardner Lewis Asset Management?
Gardner Lewis Asset Management’s direct owner is William Gardner (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 21 July 2026
How does Gardner Lewis Asset Management get paid?
Gardner Lewis Asset Management is paid through a percentage of assets under management and performance-based fees. Its Form ADV lists no commissions 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 Gardner Lewis Asset Management?
Gardner Lewis Asset Management’s main office is at 285 Wilmington West Chester Pike, Chadds Ford, PA 19317-9039. Its phone number is 610-558-2800. Its website is chesapeakefunds.com.