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Camber Capital Management LP

CIK:0001444043
Hedge Fund
$4B AUM
25 holdings
Boston, MA, United States
Founded:2006
8 employees
Latest filing:Jun 30, 2025

Camber Capital Management LP is a Boston-based hedge fund founded in 2006, specializing in healthcare investments. The firm is known for its rigorous fundamental research, targeting undervalued healthcare companies across biopharmaceuticals, medical devices, and related industries. Camber Capital employs approximately 8-20 professionals and serves institutional investors seeking long-term capital growth through sector-focused equity strategies.

Investment Strategy

Camber Capital Management LP focuses on long-term investments in the healthcare sector, employing in-depth fundamental research and analysis to identify compelling opportunities within healthcare-related stocks, including biotechnology, pharmaceuticals, and medical devices. The firm maintains a concentrated portfolio and seeks to generate strong absolute returns by investing in companies with attractive valuations and growth prospects, leveraging its proximity to Boston's life sciences ecosystem for access to insights and industry trends.

Latest 13F Filing Activity

Camber Capital Management LP filed their most recent 13F report on Jun 30, 2025 disclosing 23 equity positions and 2 options positions with a total 13F market value of $1B. The fund increased holdings in Icon PLC, Merck & Co. Inc., Unitedhealth Group Inc. among other positions. Camber Capital Management LP reduced exposure to Zimmer Biomet Holdings Inc., Humana Inc., Baxter Intl Inc. among others.

Top Buys
I
ICLRICON PLC
+$43.6M
M
MRKMERCK & CO INC
+$39.6M
U
UNHUNITEDHEALTH GROUP INC
+$31.2M
A
APLSAPELLIS PHARMACEUTICALS INC
+$14.7M
M
MYGNMYRIAD GENETICS INC
-$10.2M
Top Sells
Z
ZBHZIMMER BIOMET HOLDINGS INC
-$163.4M
H
HUMHUMANA INC
-$118.5M
B
BAXBAXTER INTL INC
-$110.5M
C
CVSCVS HEALTH CORP
-$80.0M
P
PTCTPTC THERAPEUTICS INC
-$76.4M

Top Holdings

Z
ZBHZIMMER BIOMET HOLDINGS INC
+8.6%$91.2M
B
BAXBAXTER INTL INC
+8.1%$86.3M
H
HUMHUMANA INC
+6.9%$73.3M
C
CVSCVS HEALTH CORP
+6.8%$72.4M
G
GMEDGLOBUS MED INC
+4.4%$47.2M

Equity Positions (23)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
ZIMMER BIOMET HOLDINGS INC8.56%$91.2M1,000,000$118.41$91.21-$163.4M
BAXTER INTL INC8.10%$86.3M2,850,000$38.07$30.28-$110.5M
HUMANA INC6.89%$73.3M300,000$287.88$244.48-$118.5M
CVS HEALTH CORP6.80%$72.4M1,050,000$51.52$68.98-$80.0M
GLOBUS MED INC4.43%$47.2M800,000$54.74$59.02-$44.3M

Options Positions (2)

TickerSecurityActionTypeNotional ValueContractsUnderlying PricePremium PaidChange (Contracts)Change (Value)
SPDR S&P 500 ETF TRSold
Put
$308.9M5,000$617.85$543.48-10,000-$530.2M
GSK PLC
Call
$38.4M10,000$38.40$33.820-$340.0K

Industry Allocation

PHARMACEUTICAL PREPARATIONS
+22.3%
SURGICAL & MEDICAL INSTRUMENTS & APPARATUS
+12.8%
HOSPITAL & MEDICAL SERVICE PLANS
+9.8%
ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES
+9.2%
RETAIL-DRUG STORES AND PROPRIETARY STORES
+6.8%