Cowen Investment Management LLC (the “Registrant”) is a Delaware limited liability company formed in 1997 
and  a  direct  wholly  owned  subsidiary  of  Cowen  Inc.,  a  publicly  traded  company  (“Cowen”).   This Disclosure 
Brochure  has  been  updated  to  reflect  the  completion  of  the  acquisition  of  Cowen,  Inc.,  the  parent  of  Cowen 
Investment Management LLC, by The  Toronto-Dominion Bank (“TD”). The investment strategies and personnel 
remain  largely  unchanged.   This  Brochure  has  also  been  updated  to  remove  references  to  TriArtisan  Capital 
Advisors  LLC  (“TriArtisan”) in  connection  with  TD’s  acquisition  of  Cowen,  Inc..  TriArtisan  was  spun  out  of 
Cowen, Inc. and Cowen Investment Management LLC continues to provide a number of administrative services to 
TriArtisan pursuant to a service agreement. 
The Registrant provides discretionary investment management services directly and also through advisory affiliates 
Cowen Sustainable Advisors LLC (“CSI”) and Cowen Trading Strategies LLC (“CTS”), both of which are under 
common  control  with  the  Registrant  (each  is  referred  to  herein  as  a “Relying  Adviser”  and  collectively,  the 
“Relying Advisers”). The Relying Advisers have also been identified in Item 10 hereof, as well as Schedule R of 
the Adviser’s Form ADV Part 1.  
CSI acts as the agent for CSI GP I LLC, a Delaware limited liability company that serves as the general partner to 
Cowen  Sustainable  Investments  I  LP  and  also  serves  as  the  general  partner  to  feeder  fund  Cowen  Sustainable 
Investments Offshore I LP and its master funds CSI I Master Fund B LP and CSI I Master Fund C LP. CSI GP I 
LLC additionally serves as the general partner to several CSI co-investment vehicles. Certain investment-related 
determinations, decisions, consents or other duties or actions that may be described in the relevant PE Fund's limited 
partnership agreement as being the determinations, decisions, consents, duties or actions of its general partner may 
be performed by CSI in such capacity.   
The  Registrant,  its  Relying  Advisers  and  its  affiliated  general  partners  are  collectively  referred  to  herein  as  the 
“Adviser”  and  unless  otherwise  noted  as  only  applicable  to  the  Registrant,  the  Relying  Advisers,  its  affiliated 
general partners or a specific advisory client, this brochure generally includes information about the Adviser and 
its relationships with all of its advisory clients and affiliates. This brochure does not constitute an offer to sell or 
solicitation of an offer to buy any securities.  
The  Adviser  provides  discretionary  investment  management  services  to  a  variety  of  advisory  clients  and  is  not 
limited to only advising the types of advisory clients currently described herein. Advisory clients include special 
purpose limited liability companies formed to invest in, or participate in, the acquisition of a single company (each, 
an “SPV Fund” and together, the “SPV Funds”), private limited partnerships and
                                        
                                        
                                             other pooled investment vehicles 
(each,  a “PE  Fund”  and  together,  the “PE  Funds”)  and  separately  managed  accounts  (each  an “SMA” and 
together, “SMAs”). The Registrant currently provides discretionary investment management services to an SMA 
and  an SPV Fund and may in the future provide discretionary investment management services to  hedge funds, 
private  equity  funds  and  registered  investment  companies.  CSI,  a  Relying  Adviser,  provides  discretionary 
investment management services to PE Funds and may in the future provide discretionary investment management 
services to SMAs and hedge funds. The term “Client” or “Clients” collectively refers to (where relevant) the PE 
Funds, SPV Funds, and the SMAs for which the Adviser provides discretionary investment management services. 
While not considered advisory clients, the Registrant and CTS also manage a proprietary securities portfolios that 
are beneficially owned by their parent company, Cowen. 
The Adviser is responsible for managing the capital of its Clients in accordance with their respective investment 
objectives. The Adviser’s management of its Clients and their respective investments are qualified in their entirety 
by reference to each Clients’ agreements with the Adviser as well as in formal offering documents (e.g., the Client’s 
prospectus,  offering  memorandum,  memorandum  and  articles  of  association,  limited  partnership  agreement,  or 
investment management agreement, as the case may be, side letters, and subscription documents). These documents 
are collectively referred to herein as the Clients’ “Offering Documents”. 
The descriptions set forth in this brochure of specific advisory services that the Adviser offers to its Clients, and 
investment  strategies  pursued,  and  investments  made  by  the  Adviser  on  behalf  of  its  Clients,  should  not  be 
understood to limit in any way the Adviser's investment activities. The Adviser may offer any advisory services, 
engage in any investment strategy and make any investment, including any not described in this brochure, that the 
Adviser  considers  appropriate,  subject  to  each  Client's  investment  objectives  and  guidelines.  The  investment 
strategies  the  Adviser  pursues  are  speculative  and  entail  substantial  risks.  Clients  (or  their  respective  investors 
therein)  should  be  prepared  to  bear  a  substantial  loss  of  capital.  There  can  be  no  assurance  that  the  investment 
objectives of any Client will be achieved.  
The Registrant and its Relying Advisers together managed approximately U.S.$ 1,297,283,773 of client assets on a 
discretionary basis as of December 31, 2022. This number is net of fees and expenses and based on estimated and 
unaudited information as of such date and is therefore subject to change. It also does not include the proprietary 
securities portfolios managed on behalf of parent company Cowen. The Adviser does not currently manage any 
non-discretionary Client assets. The Adviser does not participate in wrap fee programs.