![J. Comer](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
J. Comer
No open positions remaining
Net worth: 16 M $ as of 31/05/2026
Profile
J.
Walton Comer was the founder of Lucid Holdings LLC, founded in 2010, where the title held was Director.
Current jobs include Chairman at RTB Digital, Inc. starting in 2026; Director & Chief Investment Officer at XBTO Group since 2015; and Principal at Jackson Square Group LLC.
Former jobs include Research Director at Thornhill Partners LLC from 2002 to 2006, Vice President-Risk at S.A.C.
Capital Advisors LP, and Partner at Instant Gravity LLC from 2000 to 2002.
Education includes undergraduate and graduate degrees from The Trustees of Columbia University in The City of New York, and an undergraduate degree from Sewanee-The University of the South conferred in 1999.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
27.76% | 21/05/2026 | 37,80,985 ( 27.76% ) | 16 M $ | 31/05/2026 |
J. Comer active positions
| Companies | Position | Start |
|---|---|---|
Jackson Square Group LLC
 Jackson Square Group LLC Investment ManagersFinance Operates as a holding company which primarily invests in market research technology firms | Corporate Officer/Principal | - |
XBTO Group
 XBTO Group Internet Software/ServicesTechnology Services Engages in trading of crypto-currencies and crypto-assets | Director/Board Member | 01/01/2015 |
Former positions of J. Comer
| Companies | Position | End |
|---|---|---|
Thornhill Partners LLC | Chief Tech/Sci/R&D Officer | 01/05/2006 |
Instant Gravity LLC | Corporate Officer/Principal | 01/08/2002 |
Lucid Holdings LLC
 Lucid Holdings LLC Packaged SoftwareTechnology Services Operates as a programmatic research technology platform company | Founder | - |
S.A.C. Capital Advisors LP
 S.A.C. Capital Advisors LP Investment ManagersFinance S.A.C. Capital Advisors seeks to invest in the stocks of companies with short-term growth catalysts. The firm employs quantitative techniques and merger arbitrage strategies. | Corporate Officer/Principal | - |
Training of J. Comer
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
24
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
S.A.C. Capital Advisors LP
S.A.C. Capital Advisors LP Investment ManagersFinance S.A.C. Capital Advisors seeks to invest in the stocks of companies with short-term growth catalysts. The firm employs quantitative techniques and merger arbitrage strategies. | Finance |
Lucid Holdings LLC
Lucid Holdings LLC Packaged SoftwareTechnology Services Operates as a programmatic research technology platform company | Technology Services |
The Trustees of Columbia University in The City of New York
 The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Sewanee-The University of the South
 Sewanee-The University of the South Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Jackson Square Group LLC
Jackson Square Group LLC Investment ManagersFinance Operates as a holding company which primarily invests in market research technology firms | Finance |
Thornhill Partners LLC | |
Instant Gravity LLC | |
XBTO Group
XBTO Group Internet Software/ServicesTechnology Services Engages in trading of crypto-currencies and crypto-assets | Technology Services |
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