Deerfield Management Company LP

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Deerfield Management Company LP
CRD #157876
SEC #801-73284
CIK #0001009258
AUM 19.08 B (2026-03-26)
Employees 189 (47% Investors, 0% Brokers)
Phone212-551-1600
Address345 Park Avenue South
New York, NY 10010
Source [IAPD] [EDGAR] [Website] [LinkedIn]
Total AUM ($B)
2016128402010201520212027
Sector Form 13F Holdings Value ($B)
Nuvalent Inc 1.8
UNUM Therapeutics Inc 0.3
Praxis Precision Medicines Inc 0.3
Upjohn Inc 0.3
United Therapeutics Corp 0.3
Revolution Medicines Inc 0.2
Celcuity Inc 0.2
Centene Corp 0.2
Zafgen Inc 0.2
Brookdale Senior Living Inc 0.2
View All
Holdings by Sector ($B)
10.08.06.04.02.00.02011201620212027
Type Form D Funds Date Sold AUM
HF Deerfield Healthcare Innovations Fund III-A LP [2024-02-20] 469.6 M 169.6 M
Filed 2024-11-01 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration One year or less · Revenue Decline to Disclose
HF Deerfield Healthcare Innovations Fund III LP [2024-02-20] 469.6 M 414.7 M
Filed 2024-11-01 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration One year or less · Revenue Decline to Disclose
HF Deerfield Private Design Fund V LP [2020-11-24] 1,340.5 M
Offered $2,500,000,000 · Filed 2020-07-31 (D) · Exemption 506(b), 3(c), 3(c)(7) · Remaining $2,500,000,000 · Duration One year or less · Revenue Not Applicable
HF Deerfield Healthcare Innovations Fund II LP [2019-08-29] 774.9 M
Offered $1,000,000,000 · Filed 2019-06-25 (D) · Exemption 506(b), 3(c), 3(c)(7) · Remaining $1,000,000,000 · Duration One year or less · Revenue Not Applicable
HF Deerfield Private Design Fund IV LP [2017-02-28] 2,391.8 M 3,851.0 M
Offered $2,500,000,000 · Filed 2016-11-25 (D) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $300,000 · Remaining $108,250,000 · Duration One year or less · Revenue Not Applicable
HF Deerfield Healthcare Innovations Fund LP [2015-10-28] 550.0 M 1,800.3 M
Offered $550,000,000 · Filed 2015-07-28 (D) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $200,000 · Duration One year or less · Revenue Not Applicable
HF Deerfield Private Design Fund III LP [2014-08-12] 1,532.2 M
Offered $1,600,000,000 · Filed 2014-04-02 (D) · Exemption 506(b), 3(c), 3(c)(7) · Remaining $1,600,000,000 · Duration One year or less · Revenue Not Applicable
HF Deerfield International Master Fund LP [2013-03-28] 2,009.8 M 1,284.9 M
Filed 2017-03-02 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $250,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
PE Deerfield PDI Financing II LP 2013-03-28 35.3 M
HF Deerfield Private Design International II LP [2013-03-28] 270.6 M 80.3 M
Filed 2010-12-17 (D) · Exemption 506, 3(c), 3(c)(7) · Minimum $125,000 · Remaining Indefinite · Duration One year or less · Net Assets $25,000,001 - $50,000,000
View All
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 12 19.1
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 12 19.1
By Discretionary
Discretionary 12 19.1
Non-Discretionary 0 0.0
Total 12 19.1
By Non-United States Persons
Non-United States Persons 0.1
United States Persons 19.0
Total 12 19.1
Form D Directors Role # Filings # Firms 2011 - 2026
Peter Young Director 116 22
Graham Cook Director 79 20
Nicholas Lane Director 13 5
James Flynn Director, Executive Officer 21 2
Deerfield Mgmt Hif III LP Promoter 2 1
Je Flynn Capital Hif III LLC Promoter 2 1
J E Flynn Capital III LLC Executive Officer 1 1
Deerfield Mgmt III LP Executive Officer 1 1
Deerfield Mgmt IV LP Executive Officer 1 1
Je Flynn Capital IV LLC Executive Officer 1 1
View All
EDGAR Form CIK 2011 - 2026
13F-HR [0001009258]
3 [0001009258]
4 [0001009258]
SC 13D [0001009258]
Form 13D/13G Filer Form 13D/13G Subject Filed
Deerfield Management Company LP Series C DA32 Life Science Tech Acquisition Corp [2021-08-10]
Deerfield Management Company LP Series C Deerfield Healthcare Technology Acquisitions Corp [2020-07-30]
Firm Profile (Form ADV)
Discretionary AUM$4.3B
ServesInstitutional
Fund TypesHedge Fund, Private Equity
LEI5493009YAY9MTF1EQS20
Form 3/4/5 Subject 2011 - 2026
Nuvalent Inc
Deerfield Management Company LP
Flynn James E
Deerfield Mgmt HIF LP
Deerfield Mgmt III LP
Parabilis Medicines Inc
Deerfield Private Design Fund III LP
Deerfield Healthcare Innovations Fund LP
Zafgen Inc
Deerfield Private Design Fund IV LP
Deerfield Capital LP
Deerfield Partners LP
Deerfield Mgmt IV LP
ARS Pharmaceuticals Inc
Deerfield Mgmt V LP
BiomX Inc
Deerfield Private Design Fund V LP
Deerfield Healthcare Innovations Fund II LP
Acutus Medical Inc
Bicara Therapeutics Inc
Deerfield Mgmt HIF II LP
AdaptHealth Corp
Fractyl Health Inc
CareMax Inc
DA32 Life Science Tech Acquisition Corp
Oncorus Inc
Frazier Lifesciences Acquisition Corp
Mirum Pharmaceuticals Inc
PepGen Inc
DFP Healthcare Acquisitions Corp
Xilio Therapeutics Inc
Deerfield Special Situations Fund LP
Singular Genomics Systems Inc
Werewolf Therapeutics Inc
Edgewise Therapeutics Inc
Terns Pharmaceuticals Inc
Peak Bio Inc
Lumos Pharma Inc
Graybug Vision Inc
Annexon Inc
Nkarta Inc
Generation Bio Co
Revolution Medicines Inc
Schrodinger Inc
Black Diamond Therapeutics Inc
Q32 Bio Inc
Cabaletta Bio Inc
Korro Bio Inc
Aclaris Therapeutics Inc
Shockwave Medical Inc
Xeris Pharmaceuticals Inc
Arvinas Inc
Aerie Pharmaceuticals Inc
Constellation Pharmaceuticals Inc
Avadel Pharmaceuticals PLC
Deerfield Private Design International II LP
Breaking Stick Holdings LLC
Deerfield Private Design Fund II LP
Proteon Therapeutics Inc
Kiniksa Pharmaceuticals International PLC
Keenova Therapeutics PLC
GYRE Therapeutics Inc
Deerfield International Master Fund LP
Rhythm Pharmaceuticals Inc
Societal CDMO Inc
eHealth Inc
CAS Medical Systems Inc
Invuity Inc
Vanda Pharmaceuticals Inc
Alpine Immune Sciences Inc
Audentes Therapeutics Inc
Axogen Inc
Syros Pharmaceuticals Inc
Xenoport Inc
AveXis Inc
Editas Medicine Inc
Streamline Health Solutions Inc
Alimera Sciences Inc
CytomX Therapeutics Inc
Antares Pharma Inc
RegenxBio Inc
Neos Therapeutics Inc
Deerfield Private Design International LP
Deerfield Private Design Fund L P
Deerfield Private Design International II Ltd
aTYR Pharma Inc
Auspex Pharmaceuticals Inc
SteadyMed Ltd
Invitae Corp
Auxilium Pharmaceuticals Inc
Deerfield Special Situations International Master Fund LP
Dicerna Pharmaceuticals Inc
Loxo Oncology Inc
Adverum Biotechnologies Inc
TriVascular Technologies Inc
Talon Therapeutics Inc
Deerfield Special Situations Fund International LTD
Pernix Sleep Inc
NxStage Medical Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Zafgen Inc LRMR
Common Stock
2026-02-27 Buy 1,084,012 $5.00 5,420,060
Zafgen Inc LRMR
Common Stock
2026-02-27 Buy 831,978 $5.00 4,159,890
Zafgen Inc LRMR
Common Stock
2026-02-27 Buy 2,000,000 $5.00 10,000,000
Zafgen Inc LRMR
Common Stock
2026-02-27 Buy 1,084,010 $5.00 5,420,050
Nuvalent Inc NUVL
Class A Common Stock
2025-11-24 Sell 371,287 $95.45 35,439,344
Nuvalent Inc NUVL
Class A Common Stock
2025-11-24 Sell 371,287 $95.45 35,439,344
Zafgen Inc LRMR
Common Stock
2025-07-31 Buy 3,387,539 $3.20 10,840,125
Zafgen Inc LRMR
Common Stock
2025-07-31 Buy 2,599,932 $3.20 8,319,782
Zafgen Inc LRMR
Common Stock
2025-07-31 Buy 3,387,529 $3.20 10,840,093
ARS Pharmaceuticals Inc SPRY
Class A Common Stock
2025-06-27 Sell 370,074 $18.46 6,831,566
ARS Pharmaceuticals Inc SPRY
Class A Common Stock
2025-06-27 Sell 370,075 $18.46 6,831,584
Nuvalent Inc NUVL
Stock Option (Right to Buy) · derivative
2025-06-18 Grant 4,147 $0.00
Nuvalent Inc NUVL
Class A Common Stock
2025-06-18 Grant 2,647 $0.00
Nuvalent Inc NUVL
Class A Common Stock
2025-06-18 Grant 2,647 $0.00
Nuvalent Inc NUVL
Stock Option (Right to Buy) · derivative
2025-06-18 Grant 4,147 $0.00
Zafgen Inc LRMR
Stock Option (Right to Buy) · derivative
2025-05-13 Grant 19,000 $0.00
BiomX Inc PHGE
Warrants · derivative
2025-04-21 Grant 1,611,864
BiomX Inc PHGE
Warrants · derivative
2025-04-21 Grant 1,611,864
BiomX Inc PHGE
Stock Option (Right to Buy) · derivative
2025-04-14 Grant 17,600 $0.00
BiomX Inc PHGE
Warrants · derivative
2025-02-27 Grant 1,258,614
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