Investor · Milwaukee, WI
Matthew Kiefer
Open Matthew in the network graph →Filings
36
SEC Form D
Connections
103
co-filers
Capital
$13.8M
across filings
Active
Jan 2022
to Oct 2025
Most-connected co-filers (103)
Jarrod Luigs · Evansville, IN20 sharedTom Kirdahy · New York, NY18 sharedDavid L. Bohan · BOSTON, MA15 sharedTariq Sattar · Edmond, OK15 sharedKrista S. Weymouth · Washington, Washington, D.C.15 sharedAlan Goldfarb · New York, NY15 sharedChristopher Day · Grand Cayman, Cayman Islands15 sharedJordan Friedman · SOUTHFIELD, MI15 sharedIven Vian · Edmond, OK15 sharedUrban L. Mueller · BOSTON, MA15 sharedSheppard N. Burnett · BOSTON, MA15 sharedJ.B. L. Kittredge · BOSTON, MA15 sharedMegan L. Bunting · BOSTON, MA15 sharedKevin L. O'Brien · BOSTON, MA15 sharedRobert Withers · New York, NY15 sharedJames J. Hyland · Vancouver, British Columbia, Canada15 sharedBill Allard · New York, NY15 sharedSequoya Borgman · Milwaukee, WI8 sharedMonte Cluck · Amarillo, TX5 sharedDan Mercer · Canyon, TX5 sharedJames Maffuccio · Overland Park, KS5 sharedDean D. Hanish · Bennington, NE5 sharedBen Fraser · Overland Park, KS5 sharedKensuke S. Murashima · Tokyo, M05 shared
Recent filings (36)
Held RE Holdings LLCOct 2025 · 8 co-filers$2.2M501 Main QOF LLCJun 2025 · 1 co-filer$1.3M501 Main QOF LLCJun 2025 · 1 co-filer$1.3MGMace RE Holdings LLCJun 2025 · 8 co-filers$2.0MProducer Owned Beef, LLCNov 2023 · 12 co-filers$257.3MMakers RE Holdings LLCJun 2023 · 8 co-filers$9.6MProducer Owned Beef, LLCJan 2023 · 14 co-filers$100.0MMac RE Holding LLCDec 2022 · 7 co-filers$2.5MMac RE Holding LLCDec 2022 · 7 co-filers$2.5MProducer Owned Beef, LLCNov 2022 · 13 co-filers$75.0MProducer Owned Beef, LLCOct 2022 · 14 co-filers$257.3MAspen Riverdance Energy Fund, LLCSep 2022 · 11 co-filers$7.1MIndependence Storage Holdings, LLCMay 2022 · 13 co-filers$4.0MStoneybrook Holdings, LLCMar 2022 · 26 co-filers$2.5MProducer Owned Beef, LLCMar 2022 · 14 co-filers$338.4MCent RE Holding LLCFeb 2022 · 7 co-filers$1.2MCent RE Holding LLCFeb 2022 · 7 co-filers$1.2MNorthpark Holdings, LLCJan 2022 · 14 co-filers$1.1MNorthpark Holdings, LLCJan 2022 · 14 co-filers$1.1MRiverview Investments LLCMay 2018 · 5 co-filers$3.5MRiverview Investments LLCMay 2018 · 5 co-filers$3.5MGMO TAX-MANAGED BENCHMARK-FREE FUND, A SERIES OF GMO MASTER PORTFOLIOS (ONSHORE), L.P.Jan 2018 · 17 co-filersGMO FIXED INCOME HEDGE FUND (OFFSHORE), L.P.Jun 2017 · 17 co-filersGMO Emerging Country Local Debt Fund (Offshore), L.P.Jun 2017 · 17 co-filersGMO Emerging Country Local Debt Fund (Onshore), L.P.Jun 2017 · 17 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Matthew in the interactive graph →