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Stockbridge Partners LLC (auto-surfaced)

cloneable · 31-DEC-2025 → 31-MAR-2026

AUM $4,138,921,234 · 16 positions · top-10 89.7% · SEC filing history →

13FScore 61/100 — cloning their disclosed top holdings over ~4.7y returned +9%/yr vs S&P +10%/yr (alpha -2%/yr), ahead of the market in 53% of quarters. Cloneable 13F equity book only — excludes hedges/shorts/non-US.

New positions

Issuer% bookValueSince entryConvictionBusinessTags
$NVDA · NVIDIA CORPORATION6.5%$267,201,379+16%MedNVIDIA designs graphics processing units (GPUs), AI accelerators, and computing platforms used for artificial intelligence, data centers, gaming, professional visualization, and automotive systems.NASDAQS&PCitriniSerenityBitget →
$ALSN · ALLISON TRANSMISSION HLDGS I2.9%$120,618,390-3%MedAllison Transmission designs and manufactures automatic transmissions and propulsion systems for commercial trucks, buses, and defense vehicles.
$V · VISA INC2.5%$101,948,574+19%MedVisa operates a global electronic-payments network that processes card and digital transactions between consumers, merchants, and financial institutions.S&PBitget →
$MA · MASTERCARD INCORPORATED2.5%$102,916,969+9%MedMastercard operates a global payments technology network that processes electronic transactions between financial institutions, merchants, cardholders, and businesses, and provides related value-added services.S&P
$FWONK · LIBERTY MEDIA CORP DEL1.5%$62,030,082+20%MedLiberty Media is a media and entertainment holding company whose interests include the Formula One racing business and stakes in Live Nation and other media assets.NASDAQCitrini
$MLM · MARTIN MARIETTA MATLS INC0.5%$18,963,149-4%MedMartin Marietta Materials is a supplier of construction aggregates and heavy building materials, producing crushed stone, sand, gravel, cement, and ready-mixed concrete for infrastructure and construction.S&P

Added to (≥+25% shares)

Issuer% bookΔ sharesSince addConvictionBusinessTags
$AMZN · AMAZON COM INC12.5%+25%+19%MedAmazon.com is a technology and retail company operating online marketplaces, Amazon Web Services (AWS) cloud computing, advertising, streaming media, and consumer devices.NASDAQS&PSerenityBitget →

Top holdings now

Issuer% bookSince entryBusinessTags
$TSM · TAIWAN SEMICONDUCTOR MANUFAC17.6%+140% Q1 '25Taiwan Semiconductor Manufacturing (TSMC) is the world's largest dedicated semiconductor foundry, manufacturing advanced logic chips on a contract basis for fabless chip designers.CitriniSerenityBitget →
$AMZN · AMAZON COM INC12.5%+46% ≥Q2 '21Amazon.com is a technology and retail company operating online marketplaces, Amazon Web Services (AWS) cloud computing, advertising, streaming media, and consumer devices.NASDAQS&PSerenityBitget →
$TDG · TRANSDIGM GROUP INC12.2%+98% ≥Q2 '21TransDigm designs and manufactures proprietary, highly engineered aircraft components for commercial and military aerospace markets, generating significant aftermarket parts revenue.S&P
$WCN · WASTE CONNECTIONS INC9.6%+15% Q4 '23Waste Connections provides solid-waste collection, transfer, disposal, and recycling services across the US and Canada, focusing on exclusive and secondary markets.
$DE · DEERE & CO7.7%+60% Q2 '24Manufactures agricultural, construction, and forestry equipment under the John Deere brand, along with turf-care products and related financing services.S&P
$VMC · VULCAN MATLS CO7.5%+68% ≥Q2 '21Vulcan Materials is the largest US producer of construction aggregates—crushed stone, sand, and gravel—and related asphalt and concrete used in infrastructure and building.S&P
$GOOGL · ALPHABET INC6.8%+11% Q4 '25Alphabet is the holding company for Google, generating revenue from search and advertising, YouTube, Android, Google Cloud, and other technology businesses.NASDAQS&PCitriniSerenityBitget →
$NVDA · NVIDIA CORPORATION6.5%+16% Q1 '26NVIDIA designs graphics processing units (GPUs), AI accelerators, and computing platforms used for artificial intelligence, data centers, gaming, professional visualization, and automotive systems.NASDAQS&PCitriniSerenityBitget →
$KLAC · KLA CORP4.7%+97% Q3 '25KLA Corporation supplies process control and yield management systems, including inspection and metrology equipment, used by semiconductor and electronics manufacturers to detect defects during chip fabrication.NASDAQS&PCitriniBitget →
$MSFT · MICROSOFT CORP4.7%+52% ≥Q2 '21Microsoft develops and licenses software, cloud services, and devices, including the Windows operating system, Office and Microsoft 365 productivity apps, the Azure cloud platform, and Xbox gaming, with growing AI offerings.NASDAQS&PSerenityBitget →

Since entry / add = price change to the latest close (31-MAR-2026 book marked to market). Top holdings measure from the quarter-end when the name first entered the filer's disclosed top holdings (tagged e.g. Q1 '26); new & added positions measure from this quarter's quarter-end. Based on disclosed 13F snapshots — an approximation of entry, not the manager's actual cost basis. Generated 2026-07-20 · Alpha-Investor tracker