# Jeff Rosenbaum

> Jeff Rosenbaum is a post-ipo equity investor at Elliott Management Corp. backing Energy. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Elliott Management Corp.](https://shizune.co/investors/profile/elliott-management-corp)
- Total investments: 1
- Last investment: Jan 2018
- Lead investor: 0%
- Last updated: Aug 2026

Jeff Rosenbaum is a post-ipo equity investor at Elliott Management Corp. focused on Energy and Clean Energy. Jeff Rosenbaum - Portfolio Manager @ Elliott Management Corp.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 1 | 100% |
| Clean Energy | 1 | 100% |
| Energy Efficiency | 1 | 100% |
| Information Services | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| FirstEnergy Corp. | FirstEnergy is a diversified energy company headquartered in Akron, Ohio. Its subsidiaries and affiliates are involved in the generation, transmission and distribution of electricity, as well as energy management and other energy-related services. Its seven electric utility operating companies comprise the nation's fifth largest investor-ownedelectric system, serving 4.5 million customers within 36,100 square miles of Ohio, Pennsylvania and New Jersey; and its generation subsidiaries control more than 14,000 megawatts of capacity. Our Corporate Vision is to become a leading regional energy provider. | $2.5B | Post-IPO Equity | Jan 22, 2018 |  |

1 of 1 investments shown.

## About Elliott Management Corp.

VC Fund · New York, United States

Elliott Management Corporation is a privately owned hedge fund sponsor. The firm provides its services to large institutional investors, high net worth individuals, and families. It invests in the public equity and fixed income markets across the globe. The firm also invests in alternative markets. It primarily makes its investments in companiesundergoing bankruptcy, reorganization, or corporate restructuring. The firm invests in stocks; corporate, real estate, and sovereign debt; bonds; foreign exchange; warrants; options; and futures to create its portfolio mix. It employs a conservative approach with multi hedge fund strategies to make its investments. Elliott Management Corporation was founded in 1977 and is based in New York, New York with additional offices in Tokyo, Japan; and Hong Kong.

5 contacts available at Elliott Management Corp..

| Name | Title | Profile |
| --- | --- | --- |
| Amit Sharma | Portfolio Manager | https://shizune.co/investors/profile/amit-sharma-6da4 |
| Aria Vossoughi | Research Analyst | https://shizune.co/investors/profile/aria-vossoughi |
| Gordon Singer | Member of Management Committee | https://shizune.co/investors/profile/gordon-singer |
| Jeff Rosenbaum | Portfolio Manager | https://shizune.co/investors/profile/jeff-rosenbaum |
| Jesse Cohn | Managing Partner | https://shizune.co/investors/profile/jesse-cohn |

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## FAQ

### What does Jeff Rosenbaum invest in?

Jeff Rosenbaum invests primarily in Energy, Clean Energy and Energy Efficiency startups, most often at Post-IPO Equity stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Jeff Rosenbaum last invest?

The most recent investment recorded for Jeff Rosenbaum closed in Jan 2018. Shizune tracks 1 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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