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
HF Deerfield Private Design International LP [2013-03-28] 0.6 M
HF Deerfield Special Situations International Master Fund LP [2013-03-28] 174.4 M 313.7 M
Filed 2014-02-28 (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 PDI Investors Master Trust I 2013-03-28 0.1 M
HF Deerfield International Limited [2012-02-10] 2,009.8 M 1,554.2 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
HF Deerfield Partners LP 2012-02-10 8,984.5 M
PE Deerfield PDI Financing LP 2012-02-10 5.1 M
HF Deerfield Private Design Fund II LP [2012-02-10] 226.4 M 100.7 M
Filed 2010-12-17 (D) · Exemption 506, 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration One year or less · Net Assets $25,000,001 - $50,000,000
HF Deerfield Private Design Fund LP [2012-02-10] 0.5 M
HF Deerfield Private Design International II Limited [2012-02-10] 270.6 M 318.5 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
HF Deerfield Private Design International Limited [2012-02-10] 199.9 M
HF Deerfield Special Situations Fund International Limited [2012-02-10] 174.4 M 156.2 M
Filed 2014-02-28 (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
HF Deerfield Special Situations Fund LP [2012-02-10] 573.1 M 614.8 M
Filed 2019-03-04 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $250,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
PE PDI Investors Trust I 2012-02-10 17.9 M
PE PDI Investors Trust II 2012-02-10 3.2 M
AUM Breakdown Accounts AUM ($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$4.3B
ServesInstitutional
Fund TypesHedge Fund, Private Equity
LEI5493009YAY9MTF1EQS20
Form 3/4/5 Subject 2011 - 2026
Nuvalent Inc
Deerfield Management Company LP
Flynn James E
Deerfield Mgmt HIF LP
Deerfield Mgmt III LP
Parabilis Medicines Inc
Deerfield Private Design Fund III LP
Deerfield Healthcare Innovations Fund LP
Zafgen Inc
Deerfield Private Design Fund IV LP
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
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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