Stockbridge Partners LLC
In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), Stockbridge Partners LLC reported 12 stock positions worth $4.5 billion. Its top holding was Transdigm (TDG) at 17.7% of the portfolio, followed by Amazon.com (AMZN, 12.1%) and Deere (DE, 9.2%). Compared with Q4 2024, it opened 2 new positions, sold out of 2, added to 5 and reduced 5. The biggest buy was Veeva Systems Class A (VEEV, shares +115%) and the biggest sale an exit from New York Times Class A (NYT).
- Most Recent 13F
- Q2 2026
- Location
- Boston, MA
- CIK
- 0001505183
- Portfolio Value
- $4.5B (Q1 2025)
- SEC Filing
- 0000919574-25-003099 ↗ filed May 15, 2025
Holdings Value
Holdings 12 stocks · $4.5B
| TDG Transdigm Group Inc. | 17.70% | 578,251 | $799.9M | Reduce -13.5% |
| AMZN Amazon.com Inc. | 12.07% | 2,866,429 | $545.4M | Reduce -13.6% |
| DE Deere & Co. | 9.18% | 883,417 | $414.6M | Add +0.1% |
| WCN Waste Connections Inc. | 9.17% | 2,123,309 | $414.4M | Add +7.9% |
| MSFT Microsoft Corp. | 8.81% | 1,060,920 | $398.3M | Add +25.3% |
| GWRE Guidewire Software Inc. | 7.26% | 1,751,068 | $328.1M | Reduce -34.6% |
| HLT Hilton Worldwide Holdings Inc. | 7.25% | 1,440,389 | $327.8M | Reduce -3.5% |
| VMC Vulcan Materials Co. | 7.21% | 1,395,495 | $325.6M | Reduce -20.1% |
| VEEV Veeva Systems Inc. Class A | 7.21% | 1,405,532 | $325.6M | Add +115.3% |
| TMO Thermo Fisher Scientific Inc. | 7.13% | 647,309 | $322.1M | Add +14.3% |
| NOW ServiceNow Inc. | 3.54% | 201,140 | $160.1M | New |
| TSM Taiwan Semiconductor-SP ADR | 3.46% | 941,661 | $156.3M | New |
Portfolio Sells Q4 2024 → Q1 2025
| NYT New York Times Co. Class A | Sold out | 0.00% | −4.84 |
| AMZN Amazon.com Inc. | Reduce -13.6% | 12.07% | −3.37 |
| LBRDK Liberty Broadband-C | Sold out | 0.00% | −2.96 |
| VMC Vulcan Materials Co. | Reduce -20.1% | 7.21% | −2.33 |
| GWRE Guidewire Software Inc. | Reduce -34.6% | 7.26% | −2.32 |
| HLT Hilton Worldwide Holdings Inc. | Reduce -3.5% | 7.25% | −0.58 |
| TDG Transdigm Group Inc. | Reduce -13.5% | 17.70% | −0.27 |
Portfolio Buys Q4 2024 → Q1 2025
| VEEV Veeva Systems Inc. Class A | Add +115.3% | 7.21% | +4.29 |
| NOW ServiceNow Inc. | New | 3.54% | +3.54 |
| TSM Taiwan Semiconductor-SP ADR | New | 3.46% | +3.46 |
| WCN Waste Connections Inc. | Add +7.9% | 9.17% | +2.01 |
| DE Deere & Co. | Add +0.1% | 9.18% | +1.24 |
| MSFT Microsoft Corp. | Add +25.3% | 8.81% | +1.24 |
| TMO Thermo Fisher Scientific Inc. | Add +14.3% | 7.13% | +0.87 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 17 | $4.8B | TSM, TDG, GOOGL, AMZN, DE |
| Q1 2026 | 16 | $4.1B | TSM, AMZN, TDG, WCN, DE |
| Q4 2025 | 13 | $4.5B | TSM, TDG, AMZN, WCN, VMC |
| Q3 2025 | 14 | $5.2B | TDG, TSM, AMZN, MSFT, VMC |
| Q2 2025 | 12 | $5.1B | TDG, AMZN, MSFT, TSM, VEEV |
| Q1 2025 | 12 | $4.5B | TDG, AMZN, DE, WCN, MSFT |
| Q4 2024 | 12 | $4.7B | TDG, AMZN, GWRE, VMC, DE |
| Q3 2024 | 13 | $5.0B | TDG, AMZN, GWRE, VMC, DE |
| Q2 2024 | 13 | $4.8B | TDG, GWRE, AMZN, MSFT, NYT |
| Q1 2024 | 13 | $4.9B | TDG, AMZN, VMC, MSFT, TMO |