Investor · New York, NY
Alexander Klabin
Open Alexander in the network graph →Filings
82
SEC Form D
Connections
257
co-filers
Capital
$8.1B
across filings
Active
Mar 2012
to Oct 2023
Most-connected co-filers (257)
Douglas Silverman · New York, NY25 sharedColin Shaw · Grand Cayman, Cayman Islands21 sharedRobert L. Harteveldt · New York, NY20 sharedJonathan Nicholson · Grand Cayman, Cayman Islands20 sharedMitchell Sacks · Fort Lee, NJ19 sharedSolomon E. Kuckelman · New York, NY19 sharedRobert R. Hanna · New York, NY17 sharedFinisterre Malta Limited · Valletta, O117 sharedErik Volfing · Fort Lee, NJ17 sharedJulie K. Hughes · Grand Cayman, Cayman Islands17 sharedFinisterre Capital LLP · London, United Kingdom17 sharedEric Burl · New York, NY16 sharedMatthew R. Satnick · Wellesley, MA12 sharedJason H. Geminn · Edwardsville, IL11 sharedDon J. Berlage · Elizabeth, IL11 sharedDouglas R. Carroll · Carlinville, IL11 sharedGll Investors LLC · Chicago, IL11 sharedDan W. Duitscher · Rolfe, IA11 sharedJ. D. Kelsey · Old Lyme, CT11 sharedMichael S. Newlander · Chicago, IL11 sharedWilliam S. Gilboy · Chicago, IL11 sharedWayne Ross · Grand Cayman, Cayman Islands11 sharedYan Swiderski · Cornwall, United Kingdom11 sharedJason R. Gilboy · Chicago, IL11 shared
Recent filings (82)
GLL Health Sciences Fund LtdMar 2025 · 14 co-filersGLL Health Sciences Fund LtdMar 2024 · 14 co-filersSIG Nassau Hall LPOct 2023 · 7 co-filersGLL Health Sciences Fund LtdMar 2023 · 14 co-filersSIG Nassau Hall LPOct 2022 · 7 co-filersGLL Health Sciences Fund LtdMar 2022 · 14 co-filersSupernova Partners Acquisition Co II, Ltd.Jan 2022 · 19 co-filers$45.0MSupernova Partners Acquisition Co II, Ltd.Jan 2022 · 19 co-filers$45.0MENSTRUCTURE LLCNov 2021 · 8 co-filers$15.0MSIG Nassau Hall LPOct 2021 · 7 co-filersENSTRUCTURE LLCJul 2021 · 8 co-filers$40.0MScipher Medicine CorpMar 2021 · 23 co-filers$82.0MScipher Medicine CorpMar 2021 · 23 co-filers$82.0MGLL Health Sciences Fund LtdMar 2021 · 14 co-filersSIG Nassau Hall LPOct 2020 · 7 co-filersENSTRUCTURE LLCAug 2020 · 12 co-filers$17.0MNantucket Project LLCApr 2020 · 19 co-filers$3.1MGLL Health Sciences Fund LtdMar 2020 · 14 co-filersGLL Health Sciences Fund LtdMar 2020 · 14 co-filersSIG Nassau Hall LPNov 2019 · 7 co-filersNantucket Project LLCOct 2019 · 16 co-filers$1.0MNantucket Project LLCOct 2019 · 16 co-filers$1.0MScipher Medicine CorpOct 2019 · 20 co-filers$25.0MFinisterre Global Opportunity FundJun 2019 · 13 co-filersFinisterre Credit FundJun 2019 · 13 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Alexander in the interactive graph →