Adage Capital Partners GP, L.L.C.
Adage Capital Partners GP, L.L.C. is a hedge fund based in Boston, Massachusetts, founded in 2001. The firm manages assets for institutional investors such as endowments, foundations, and pension funds. Adage is known for its disciplined investment management, quantitative analysis, and large-scale equity holdings, with tens of billions in assets. The fund is managed by experienced professionals including co-founders Robert Atchinson and Phillip Gross.
Investment Strategy
Adage Capital Partners GP, L.L.C. employs a long/short equity strategy, focusing primarily on U.S. publicly traded large-cap stocks. The fund utilizes rigorous quantitative and fundamental analysis to identify under- and overvalued securities. Adage is highly diversified, typically holding hundreds of positions across sectors with an emphasis on risk management and capital preservation, while seeking to deliver attractive risk-adjusted returns for its institutional clients.
Latest 13F Filing Activity
Adage Capital Partners GP, L.L.C. filed their most recent 13F report on Jun 30, 2025 disclosing 819 equity positions with a total 13F market value of $59B. The fund increased holdings in Nvidia Corporation, Microsoft Corp., Broadcom Inc. among other positions. Adage Capital Partners GP, L.L.C. reduced exposure to Hess Corp., Apple Inc., Unitedhealth Group Inc. among others.
Top Holdings
Equity Positions (819)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
N NVDA | NVIDIA CORPORATION | 6.00% | $3.56B | 22,538,210 | $2.51 | $157.99 | +$1.12B |
M MSFT | MICROSOFT CORP | 5.77% | $3.42B | 6,883,743 | $53.40 | $497.41 | +$881.8M |
A AAPL | APPLE INC | 4.64% | $2.75B | 13,410,379 | $26.74 | $205.17 | -$271.6M |
A AMZN | AMAZON COM INC | 3.35% | $1.99B | 9,056,760 | $74.02 | $219.39 | +$367.6M |
M META | META PLATFORMS INC | 2.50% | $1.48B | 2,008,535 | $151.41 | $738.09 | +$253.7M |
Industry Allocation
Investment Team (29)
| Name | Role | Location | |
|---|---|---|---|
A Alex Galperin | Portfolio Manager - Healthcare | Boston, MA , United States | |
B Brett R | Portfolio Manager | Boston, MA , United States | |
C Christopher Brigham | Portfolio Manager | Boston, MA , United States | |
C Chuck Culp | Analyst | Boston, MA , United States | |
 | Portfolio Manager | Boston, MA , United States | |
E Erin Fahey | Equity Analyst | Boston, MA , United States | |
J Jared Kubin | Analyst | Boston, MA , United States | |
 | Portfolio Manager | Boston, MA , United States | |
 | Healthcare Investor and Portfolio Manager | Boston, MA , United States | |
 | Equity Analyst | Boston, MA , United States |