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Deerfield Management Company, L.P. (series C)

CIK:0001009258
Hedge Fund
$18B AUM
124 holdings
New York, NY, United States
Founded:1994
180 employees
Latest filing:Jun 30, 2025

Deerfield Management Company, L.P. is a New York-based investment firm established in 1994, specializing in healthcare and life sciences investments. The firm manages a diversified portfolio encompassing over 150 private and public companies across sectors such as biotech, medical devices, diagnostics, digital health, and health services. Deerfield also engages in philanthropic initiatives through the Deerfield Foundation to enhance health equity and supports academic commercialization via collaborations with major research centers. Headquartered at 345 Park Avenue South, the firm employs between 150-200 people and serves institutional investors, healthcare companies, and innovators.

Investment Strategy

Deerfield Management Company, L.P. employs a research-driven investment strategy focused on healthcare and life sciences. The firm invests across all stages of company development—from early-stage startups to mature public companies—targeting sectors such as biotechnology, pharmaceuticals, diagnostics, medical devices, digital health, and health services. Deerfield seeks to create value by combining capital with expertise, supporting innovation that improves quality of life and reduces healthcare costs. The firm also leverages strategic partnerships and philanthropic initiatives to accelerate commercialization of novel technologies and drive societal impact in healthcare.

Top Buys
N
NUVLNUVALENT INC
+$96.8M
O
OSCROSCAR HEALTH INC
+$94.5M
U
UTHRUNITED THERAPEUTICS CORP DEL
+$70.5M
M
MRKMERCK & CO INC
+$67.9M
I
INDVINDIVIOR PLC
+$55.1M
Top Sells
A
ALHCALIGNMENT HEALTHCARE INC
-$80.3M
D
DVAXDYNAVAX TECHNOLOGIES CORP
-$67.3M
C
CMRXCHIMERIX INC
-$32.1M
I
INMDINMODE LTD
-$28.0M
L
LNTHLANTHEUS HLDGS INC
-$23.4M

Top Holdings

N
NUVLNUVALENT INC
+24.9%$1.37B
O
OSCROSCAR HEALTH INC
+4.5%$249.8M
V
VTRSVIATRIS INC
+3.9%$214.5M
M
MRUSMERUS N V
+3.2%$178.0M
C
CNCCENTENE CORP DEL
+3.1%$172.9M

Equity Positions (113)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
N
NUVL
NUVALENT INC24.91%$1.37B17,991,024$22.79$76.30+$96.8M
O
OSCR
OSCAR HEALTH INC4.53%$249.8M11,649,591$11.50$21.44+$94.5M
V
VTRS
VIATRIS INC3.89%$214.5M24,023,907$13.32$8.93+$5.6M
M
MRUS
MERUS N V3.23%$178.0M3,384,628$32.12$52.60+$44.4M
C
CNC
CENTENE CORP DEL3.14%$172.9M3,185,370$65.12$54.28+$10.7M

Industry Allocation

PHARMACEUTICAL PREPARATIONS
+60.7%
HOSPITAL & MEDICAL SERVICE PLANS
+7.8%
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
+7.7%
SURGICAL & MEDICAL INSTRUMENTS & APPARATUS
+3.1%
SERVICES-HOME HEALTH CARE SERVICES
+2.5%