Alger Mid Cap Focus Fund

Focused portfolio of approximately 50 primarily mid-cap growth companies selected through fundamental research for long-term capital appreciation.$318M AUM6 published ideas

The Alger Mid Cap Focus Fund is a concentrated growth strategy focused primarily on mid-cap companies that Alger believes have promising growth potential. It seeks long-term capital appreciation and uses the Russell Midcap Growth Index as its benchmark.

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Ideas from Alger Mid Cap Focus Fund

LongALABJun 2026

Astera Labs, Inc.

Alger views Astera Labs as a critical connectivity provider for AI and cloud data centers, with products that solve data-movement and signal-integrity bottlenecks between GPUs…

LongNBISJun 2026

Nebius Group N.V.

Alger sees Nebius as a next-generation AI infrastructure provider purpose-built for machine learning and high-performance computing. Its vertically integrated model combines…

LongWDCJun 2026

Western Digital Corporation

Alger views Western Digital as a beneficiary of rising hyperscaler data-center investment and continued growth in data volumes. The HDD industry is highly consolidated, Western…

LongINSMJun 2026

Insmed Incorporated

Alger sees Insmed's opportunity as a combination of expanding adoption of its commercial respiratory and rare-disease products and advancing a pipeline in areas of meaningful…

LongGFLJun 2026

GFL Environmental Inc.

GFL Environmental is one of the largest diversified environmental-services companies in North America, with solid-waste collection, recycling and related operations across Canada…

LongKRMNJun 2026

Karman Holdings Inc.

Alger views Karman as a differentiated supplier of structural and propulsion components used across launch vehicles, missiles, spacecraft, hypersonics and unmanned aircraft. The…

Letters covered

  • Alger Mid Cap Focus Fund Commentary - 2nd Quarter 2026June 30, 2026

Source PDFs are not republished here; only extracted ideas and quotes.