![Thomas Dinsmore](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>)
Net worth: 116 750 $ as of 2026-05-30
Mr. Thomas H.
Dinsmore, CFA, is a Portfolio Manager at Gabelli Funds LLC.
He is on the Board of Directors at The Gabelli Convertible & Income Securities Fund, Inc. He joined Gabelli Funds in 2015.
He has over 42 years of industry experience.
Previously he was chairman and CEO of Dinsmore Capital Management; CEO and portfolio manager of Bancroft Fund Ltd; and CEO, portfolio manager and co-founder of Ellsworth Fund Ltd.
He has a B.S.
in Economics from the Wharton School of Business, and an M.A. in Economics from Fairleigh Dickinson University.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-06-25 | 25,000 ( 0.12% ) | 116 750 $ | 2026-05-30 |
| Companies | Position | Start |
|---|---|---|
| THE GABELLI CONVERTIBLE AND INCOME SECURITIES FUND INC. | Director/Board Member | 2015-10-31 |
| Companies | Position | End |
|---|---|---|
Gabelli Funds LLC
 Gabelli Funds LLC Investment ManagersFinance Gabelli Funds' approach to security analysis includes among other things fundamental research, industry research, personal visits with management and company published data. They also use data published in the financial media. Their portfolio managers may also make use of third party sell-side brokerage research. | Portfolio Manager-Equities | 2025-09-29 |
Dinsmore Capital Management Co.
 Dinsmore Capital Management Co. Investment ManagersFinance Dinsmore Capital Management Co. specializes in investments in convertible securities. The firm's investment objectives include appreciation of capital, a superior rate of current income and reduced volatility by using securities with an equity orientation. Long-term growth and lower risk are the primary focus of their decision-making. Decisions are driven by a bottom-up approach. Dinsmore Capital's in-house analysis seeks to identify companies with attractive convertible securities. Their investment universe is divided by industry among their investment professionals. They employ investment seminars and field trips for primary research. Publications, broker research, on-line information, telephone interviews and conferences enhance their research capabilities. Dinsmore Capital reviews their holdings in a weekly meeting so that all professionals are current on each holding and its objectives. | Chief Executive Officer | 2015-09-30 |
| ELLSWORTH GROWTH AND INCOME FUND LTD. | Chief Executive Officer | 2014-12-31 |
Closed-End Fund Association, Inc.
 Closed-End Fund Association, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a national trade association representing the closed-end fund industry | President | - |
| BANCROFT FUND LTD. | Chief Executive Officer | - |
Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 8 |
|---|---|
Dinsmore Capital Management Co.
Dinsmore Capital Management Co. Investment ManagersFinance Dinsmore Capital Management Co. specializes in investments in convertible securities. The firm's investment objectives include appreciation of capital, a superior rate of current income and reduced volatility by using securities with an equity orientation. Long-term growth and lower risk are the primary focus of their decision-making. Decisions are driven by a bottom-up approach. Dinsmore Capital's in-house analysis seeks to identify companies with attractive convertible securities. Their investment universe is divided by industry among their investment professionals. They employ investment seminars and field trips for primary research. Publications, broker research, on-line information, telephone interviews and conferences enhance their research capabilities. Dinsmore Capital reviews their holdings in a weekly meeting so that all professionals are current on each holding and its objectives. | Finance |
Gabelli Funds LLC
Gabelli Funds LLC Investment ManagersFinance Gabelli Funds' approach to security analysis includes among other things fundamental research, industry research, personal visits with management and company published data. They also use data published in the financial media. Their portfolio managers may also make use of third party sell-side brokerage research. | Finance |
Gabelli Convertible & Income Securities Fund
 Gabelli Convertible & Income Securities Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Bancroft Fund Ltd.
 Bancroft Fund Ltd. Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Gabelli Ellsworth Growth & Income Fund Ltd.
 Gabelli Ellsworth Growth & Income Fund Ltd. Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Fairleigh Dickinson University
 Fairleigh Dickinson University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Closed-End Fund Association, Inc.
Closed-End Fund Association, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a national trade association representing the closed-end fund industry | Commercial Services |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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