State of Wisconsin Investment Board
Overview
State of Wisconsin Investment Board is an independent state agency that manages the assets of the Wisconsin Retirement System, the State Investment Fund, and other state trust funds.
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Elephas Biosciences | Nov 2025 | Series B Extension | Co-investor |
| HistoSonics | Aug 2025 | Buyout/LBO | Co-investor |
| Atlas Holdings | May 2025 | Private Equity | Co-investor |
| HistoSonics | Aug 2024 | Series D | Co-investor |
| Elephas Biosciences | Jan 2024 | Series C | Lead |
Key People
Beth Holzberger
Senior Portfolio Manager - Private Equity
Brian Planey
Senior Portfolio Manager - Real Estate
Chad Neumann
Senior Portfolio Manager - Global Long Short
Chase Nicholson
Senior Portfolio Manager
Chris Eckerman
Senior Portfolio Manager Head Of Co-Investments
Christian Comito
Portfolio Manager, Global Public Markets
Christopher Nelms
Portfolio Manager - U.S. Small Cap Equities
Dean Martin
Global Portfolio Manager
Derek Bloom
Senior Portfolio Manager, Asset and Risk Allocation
Ivy Zhang
Senior Portfolio Manager
Jason Rector
Senior Portfolio Manager
Jim Vander Meer
Senior Portfolio Manager, Managing Analyst
John Culley
Portfolio Manager, Small Cap Portfolio
Kirk Wolff
Portfolio Manager
Lin Maung
Senior Portfolio Manager, Private Equity
Randall Eggert
Senior Portfolio Manager - Real Estate
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
