Michael Messner – Startup Investor Profile

General Info

Michael Messner is a seasoned investor managing Seminole Capital and has a diverse investment portfolio. Some of his top investments include Total S A, Tesla Inc., Micron Technology Inc, Magna International Inc, and Lear Corp. He operates with a focus on equity investments and has a track record of success in the hedge fund industry. Messner’s partnership style at Seminole Capital involves collaboration with Paul C. Shiverick, and they collectively bring over 20 years of investment experience to the table. His check sizes are substantial, given Seminole Capital’s equity portfolio worth nearly $1.6 billion. For detailed information, refer to the Seminole Capital (Investment Mgmt) page.
Location:
Country: Austria
Industries:
Investment Regions: EU, NA
Investment Stages: pre-seed, seed
Website:

angel-individual
EU, NA

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🤖 AI Activity Report

Status: very-active

AI Reasoning: Searches show Michael Messner (Seminole Capital) appears in public 13F/holding histories (InsiderMonkey) with holdings like Tesla Inc and Total S.A.; typical 13F updates occur quarterly. Although exact most recent transaction date wasn’t explicitly found on the visited pages, the presence of 2025 13F holdings indicates activity within the past 6 months, e.g., holdings reported for Q2 or Q3 2025 implying investments within that window. For example, the fund holds Tesla Inc per recent filings. Based on that, classify as very-active.

Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.

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