Buffalo funds

What they bought and sold · 5 moves

• TrimmedSLB Limited

  March 2026

  “We realized partial gains in the position, believing the supply shock in the energy market is transitory.”

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• TrimmedCostco Wholesale Corporation

  March 2026

  “Relative results were partially offset by Lam Research, KLA, and Costco Wholesale.”

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• TrimmedLam Research Corporation

  March 2026

  “Relative results were partially offset by Lam Research, KLA, and Costco Wholesale.”

  Read the letter→
• ExitedGartner Inc.

  March 2026

  “We exited the position, drawing a clear line between businesses where AI genuinely threatens the revenue model and those we see as unfairly punished by indiscriminate selling.”

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• TrimmedKLA Corporation

  March 2026

  “Relative results were partially offset by Lam Research, KLA, and Costco Wholesale.”

  Read the letter→

Companies held · 59

Every company Buffalo funds has disclosed a position in across our archive, with the letter that last mentioned it.

• Advanced Drainage Systems, Inc.Mar 2026
• AdyenMar 2026
• Alphabet, Inc.Mar 2026
• Amazon.com, Inc.Mar 2026
• AMETEK, Inc.Mar 2026
• APA CorporationMar 2026
• Apple, Inc.Mar 2026
• Ardonagh Group Finance, Ltd.Mar 2026
• ASML Holding NVMar 2026
• AstraZeneca PLCMar 2026
• BayCurrent, Inc.Mar 2026
• Booking Holdings, Inc.Mar 2026
• Broadcom, Inc.Mar 2026
• Burford Capital LimitedMar 2026
• Castle Biosciences, Inc.Mar 2026
• Champion Homes, Inc.Mar 2026
• Clearwater Analytics Holdings, Inc.Mar 2026
• Comfort Systems USA, Inc.Mar 2026
• Corning IncorporatedMar 2026
• CoStar Group, Inc.Mar 2026
• Costco Wholesale CorporationMar 2026
• Crescent Energy CompanyMar 2026
• Eli Lilly and CompanyMar 2026
• Exxon Mobil CorporationMar 2026
• Fresenius SE & Co.Mar 2026
• Gartner Inc.Mar 2026
• Grupo AeromexicoMar 2026
• Harrow, Inc.Mar 2026
• JBT Marel CorporationMar 2026
• KLA CorporationMar 2026
• Lam Research CorporationMar 2026
• Liberty Live HoldingsMar 2026
• Ligand Pharmaceuticals, Inc.Mar 2026
• Linde plcMar 2026
• Lonza Group AGMar 2026
• Mastercard, Inc.Mar 2026
• MercadoLibre, Inc.Mar 2026
• Meta Platforms, Inc.Mar 2026
• Microsoft CorporationMar 2026
• Northern Oil And Gas, Inc.Mar 2026
• NVIDIA CorporationMar 2026
• Option Care Health, Inc.Mar 2026
• Palomar Holdings, Inc.Mar 2026
• SAPMar 2026
• Schneider Electric SEMar 2026
• Shift4 Payments, Inc.Mar 2026
• Siemens AktiengesellschaftMar 2026
• Silicon Laboratories, Inc.Mar 2026
• SK hynix, Inc.Mar 2026
• Skywater Technologies, Inc.Mar 2026
• SLB LimitedMar 2026
• Stride, Inc.Mar 2026
• Taiwan Semiconductor Manufacturing Co.Mar 2026
• Tesla, Inc.Mar 2026
• The Geo Group, Inc.Mar 2026
• Veeva Systems Inc.Mar 2026
• Vertiv Holdings Co.Mar 2026
• Visa, Inc.Mar 2026
• WisdomTree, Inc.Mar 2026

Theses · 4

• Vertiv Holdings Co.

  March 2026

  Vertiv Holdings provides critical data center infrastructure and is positioned to benefit from accelerating AI-driven capex and structural undersupply in power and cooling.

  Read the full thesis→
• Veeva Systems

  March 2026

  Veeva Systems sells validated cloud software for life sciences and benefits from mission-critical workflows, switching costs, and potential AI-driven market expansion.

  Read the full thesis→
• SK Hynix, Inc.

  March 2026

  SK Hynix benefits from rising AI-driven memory demand and its leadership in HBM.

  Read the full thesis→
• Samsung

  March 2026

  Samsung is benefiting from AI-driven memory demand and progress on next-generation HBM4 chips.

  Read the full thesis→

Letter archive · 7

Funds · 7

• Buffalo Blue Chip Growth Fund1
• Buffalo Growth Fund1
• Buffalo High Yield Fund1
• Buffalo International Fund1
• Buffalo Mid Cap Discovery Fund1
• Buffalo Mid Cap Growth Fund1
• Buffalo Small Cap Growth Fund1