[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) American Express · New York, NY # Portfolio Manager - AMEX Ventures New York, NY, United States Hybrid Manager or lead Listed on American Express’s official careers site. Posted October 23, 2026. Check that it is still open and apply there. [Apply on American Express’s careers site →](https://egug.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/26014737) [OpenNash Jobs](https://jobs.opennash.com/) / [American Express](https://jobs.opennash.com/companies/american-express/) / Portfolio Manager - AMEX Ventures ## Job description American Express Ventures (“Amex Ventures”) is the corporate venture capital arm of American Express focused on early-stage (primarily Seed – Series B) investments across fintech, commerce, consumer services and enterprise software. With a global mandate, Amex Ventures invests in game-changing startups with strategic relevance to American Express. The team also works with portfolio companies and startups to commercialize partnerships with American Express business units. Amex Ventures has backed more than 100 category-defining founders in its 10+ year history. Notable investments include Biocatch, Blackbird Labs, Doppel, Galileo, Melio, Moderne, Nekuda, Plaid, Replit, Stripe, Toast and Wonder among others. Amex Ventures is seeking a highly motivated individual to be an integral part of the Ventures Portfolio Management group by supporting the team’s operations, including portfolio reporting, managing transaction related processes and deriving insights from our investment activity. The role is based in New York, NY. ## Responsibilities In this exciting opportunity, the Portfolio Manager will work closely with the broader Ventures Team, and various teams across American Express to drive strategic portfolio management and investment insights. The Manager will play a key role in evaluating portfolio company performance, shaping portfolio construction, and supporting projects that help inform decision-making. The Manager will also be responsible for enhanced portfolio analytics and ensuring the effective execution of portfolio management and reporting requirements. ### Primary responsibilities Responsible for quarterly portfolio reporting, including materials for broader Ventures team and senior management Lead portfolio review and valuation processes (ex. Impairment, Mark-to-Market) Assisting on controllership, regulatory and compliance deliverables - Drive portfolio construction and analytics, including enhancement of portfolio models and scenario analysis - Conduct deep-dive analysis of portfolio company performance, market trends, and key value drivers to inform strategic decisions Incorporate external data and perspectives into portfolio insights and recommendations Leverage technology to improve efficiency and scalability of portfolio management processes - Maintain and evolve portfolio data systems and ensure data integrity across portfolio management tools - Track portfolio performance against benchmarks, objectives and success metrics, providing actionable insights to stakeholders - Mentor junior team members and provide guidance on analysis, modeling and storytelling - Support ad-hoc cross-functional projects ## Qualifications The role is a multi-faceted one and requires both analytical and interpersonal skill sets 3-4 years previous experience must include financial or operational background (familiarity with financial statements) Comfortable working with large data sets & synthesizing insights - Strong written and verbal communication skills Financial, analytical and valuation skills - Strong knowledge of Microsoft Office - Demonstrated ability to work effectively with internal and external stakeholders and to collaborate with others to drive results Interest in the startup ecosystem - Knowledge of Cobalt PM Software a plus - Bachelor’s degree required ## At a glance - Posted by the employer: Oct 23, 2026 - First seen by OpenNash: Oct 25, 2026 - Last checked: Nov 1, 2026 - Listed for: 9 days - Location: New York, NY, United States - Work arrangement: Hybrid[Apply on American Express’s careers site →](https://egug.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/26014737) ## Hiring at American Express - Open jobs: 396 - New in the last 7 days: After two weekly collections - Tracked since: Jul 10, 2026 [All American Express jobs](https://jobs.opennash.com/companies/american-express/) · [Weekly hiring report](/reports/hiring/) ## More jobs at American Express ### [Campus Graduate Masters Summer Internship Program - 2027 Pricing Deal Work, Global Merchant & Network Services - New York, NY](https://jobs.opennash.com/companies/american-express/jobs/c44afa76f5c0a279429e/) New York, NY, United States ### [Campus Graduate Masters Summer Internship Program - 2027 Product Development, US Consumer Services - New York, NY](https://jobs.opennash.com/companies/american-express/jobs/8bd390538abd8d16789c/) New York, NY, United States ### [Campus Graduate Masters Summer Internship Program - 2027, American Express National Bank HQ- New York, NY](https://jobs.opennash.com/companies/american-express/jobs/24aa07f31ab218ec070a/) New York, NY, United States ### [Manager - Digital Product Ops](https://jobs.opennash.com/companies/american-express/jobs/78d86a08a3b76485542f/) New York, NY, United States ### [Member Concierge Professional, Centurion NY](https://jobs.opennash.com/companies/american-express/jobs/f358d7965b84dcd2e034/) New York, NY, United States ## Similar jobs at other companies ### [Asset Management - Customized Bond Portfolio - Municipal Portfolio Manager - Vice President](https://jobs.opennash.com/companies/jpmorganchase/jobs/7c982985f56a1f87e50d/) JPMorganChase · New York, NY, United States ### [Agency MBS Portfolio Manager – Associate](https://jobs.opennash.com/companies/jpmorganchase/jobs/f7ba40949bf9a3cb1c3b/) JPMorganChase · New York, NY, United States ### [Sr. Manager, Customer Portfolio Insights](https://jobs.opennash.com/companies/macys/jobs/4e412b6c622fee4f0f8c/) Macy's · New York, NY, United States ### [LM Ventures Portfolio Sr Manager](https://jobs.opennash.com/companies/lockheed-martin/jobs/0bc0187b2979e08db537/) Lockheed Martin · Fort Worth, TX, Moorestown, NJ, Sunnyvale, CA, Orlando, FL, Marietta, GA, King of Prussia, PA, Littleton, CO, Bethesda, MD, Palmdale, Stratford, CT ### [LM Ventures Portfolio Manager](https://jobs.opennash.com/companies/lockheed-martin/jobs/bb7f3bb6ac487823317c/) Lockheed Martin · Fort Worth, TX, Orlando, FL, Sunnyvale, CA, Marietta, GA, King of Prussia, PA, Grand Prairie, Littleton, CO, Bethesda, MD, Moorestown, NJ, Palmdale, Stratford, CT OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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