Stockbridge Partners LLC
Stockbridge Partners LLC is a hedge fund manager based in Boston, Massachusetts, founded in 2006. It is the public equity business affiliated with Berkshire Partners. The firm manages investment funds primarily for institutional clients and high-net-worth individuals, focusing on long-term capital appreciation in public equities. As of 2023, the firm manages approximately $5.1 billion in discretionary assets and employs a small, specialized team.
Investment Strategy
Stockbridge Partners LLC primarily invests in companies with sustainable earnings and growth potential, driven by strong industry characteristics, competitive positioning, and capable management teams. The strategy centers on long-term holdings in publicly traded equities, mainly within the United States but with the flexibility to invest internationally. The fund occasionally uses strategic short sales as a risk-management tool or to profit from market inefficiencies. The investment process is fundamentally driven, with a focus on bottom-up research, industry analysis, and management quality. Client assets are invested with a view toward long-term capital appreciation, but the firm retains the ability to respond tactically to market conditions.
Latest 13F Filing Activity
Stockbridge Partners LLC filed their most recent 13F report on Jun 30, 2025 disclosing 12 equity positions with a total 13F market value of $5B. The fund increased holdings in Taiwan Semiconductor MFG LTD, Veeva SYS Inc., Microsoft Corp. among other positions. Stockbridge Partners LLC reduced exposure to Thermo Fisher Scientific Inc., Guidewire Software Inc., Waste Connections Inc. among others.
Top Holdings
Equity Positions (12)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
T TDG | TRANSDIGM GROUP INC | 15.83% | $809.8M | 532,551 | $249.34 | $1520.64 | +$9.9M |
A AMZN | AMAZON COM INC | 10.65% | $544.8M | 2,483,249 | $126.13 | $219.39 | -$566.8K |
M MSFT | MICROSOFT CORP | 9.86% | $504.5M | 1,014,172 | $307.35 | $497.41 | +$106.2M |
T TSM | TAIWAN SEMICONDUCTOR MFG LTD | 9.82% | $502.4M | 2,218,034 | $200.81 | $226.49 | +$346.0M |
V VEEV | VEEVA SYS INC | 8.79% | $449.6M | 1,561,284 | $228.31 | $287.98 | +$124.1M |
Industry Allocation
Investment Team (6)
| Name | Role | Location | |
|---|---|---|---|
 | Principal | Cambridge, MA , United States | |
 | Principal | San Francisco, CA , United States | |
N Nico Cavalluzzi | Analyst | Boston, MA , United States | |
 | Research Analyst | Boston, MA , United States | |
 | Analyst | Boston, MA , United States | |
D Dayalan Rajaratnam | Principal | Boston, MA , United States |