Alger
Our archive holds 56 letters from Alger, behind 28 investment theses and positions in 21 companies. Every quote below is copied verbatim from the letter it came from.
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12 strategies
Alger publishes a letter per strategy. Each one has its own page — what it holds, what it bought, what it wrote.
- Alger International Opportunities Fund7
International Large-cap Opportunistic · 13 companies
- Alger Focus Equity Fund6
US · 3 companies
- Alger Mid Cap Growth Fund6
Mid-cap Growth · 4 companies
- Alger Small Cap Focus Fund6
US Small-cap · 8 companies
- Alger Weatherbie Specialized Growth Fund6
Growth · 5 companies
- Alger Mid Cap Focus Fund5
US Mid-cap · 2 companies
- Alger Small Cap Growth Fund5
Small-cap Growth
- Alger Capital Appreciation Fund4
- Alger Spectra Fund4
2 companies
- Alger Dynamic Opportunities Fund3
Opportunistic
- Alger Growth & Income Fund3
Income · 2 companies
- Alger.com Focus Equity Fund1
US Large-cap · 6 companies
What they bought and sold · 1 move
- ExitedHeidelberg Materials AGMarch 2026
“During the quarter, shares detracted from performance after quarterly results came in modestly below expectations on both revenue and earnings.”
Read the letter
Companies held · 21
Every company Alger has disclosed a position in across our archive, with the letter that last mentioned it.
- Astera Labs, Inc.Jun 2026
- Blue Origin Enterprises, L.P.Jun 2026
- Brookfield Asset Management Ltd. Class AMar 2026
- Cameco CorporationMar 2026
- Casella Waste Systems, Inc.Mar 2026
- Credo Technology Group Holding Ltd.Jun 2026
- DigitalOcean Holdings, Inc.Mar 2026
- EssilorLuxottica SAMar 2026
- FinecoBank SpAMar 2026
- Forte Biosciences Inc.Jun 2026
- GeneDx Holdings Corp.Jun 2026
- GFL Environmental IncJun 2026
- Guardant Health, Inc.Jun 2026
- Karman Holdings Inc.Jun 2026
- Kongsberg Gruppen ASAMar 2026
- Nebius Group N.V.Jun 2026
- Netflix, Inc.Jun 2026
- Planet Fitness, Inc.Mar 2026
- QXO, Inc.Jun 2026
- StepStone Group, Inc.Mar 2026
- Western Digital CorporationJun 2026
Theses · 28
- June 2026
Western Digital benefits from consolidated HDD supply, cloud-driven demand, and disciplined industry capital allocation that supports profitability.
Read the full thesis - June 2026
Nebius Group provides GPU-accelerated AI cloud infrastructure with vertically integrated advantages and strong demand tailwinds.
Read the full thesis - June 2026
Astera Labs supplies semiconductor connectivity products that remove AI data-movement bottlenecks and are benefiting from hyperscale AI infrastructure growth.
Read the full thesis - June 2026
QXO is consolidating a fragmented building-products distribution market through acquisitions under a proven operator.
Read the full thesis - June 2026
Credo Technology supplies high-speed connectivity products for AI data centers, benefiting from rapid growth and expanding product capabilities.
Read the full thesis - March 2026
Kongsberg Gruppen is a Norwegian defense and technology company with a record backlog, strong cash generation, and exposure to rising military modernization spending.
Read the full thesis - March 2026
Cameco is a vertically integrated uranium and nuclear fuel company benefiting from tightening supply, rising nuclear demand, and AI-driven power needs.
Read the full thesis - March 2026
Casella Waste Systems, Inc. is a regional waste consolidator with recurring revenue, high barriers to entry, and a long growth runway.
Read the full thesis - March 2026
Cameco Corporation is a vertically integrated uranium and nuclear fuel company positioned to benefit from tightening supply, growing nuclear power demand including AI-driven electricity needs, and contributions from Westinghouse.
Read the full thesis - March 2026
AppLovin is an adtech platform leveraging AI and scale-driven data advantages to improve app marketing outcomes, supporting long-term growth despite short-term controversies and mixed new initiatives.
Read the full thesis - December 2025
Jiangsu Hengrui Pharmaceuticals is pivoting toward innovative drugs and a global pipeline supported by international trials and partnerships despite timing-related earnings volatility.
Read the full thesis - December 2025
Nebius Group N.V. is an AI-focused cloud infrastructure provider benefiting from strong GPU demand and long-term contracts despite sector volatility.
Read the full thesis
- Axon EnterpriseSep 2025
- NintendoJun 2025
- SK HynixJun 2025
- Clearwater AnalyticsJun 2025
- AppLovinMar 2025
- Heico CorporationMar 2025
- SpotifyMar 2025
- AppLovinDec 2024
- Astera LabsDec 2024
- Monolithic Power SystemsDec 2024
- MercadoLibreDec 2024
- Taiwan Semiconductor Manufacturing Company (TSMC)Dec 2024
- BroadcomDec 2024
- KLA CorporationDec 2024
- Axon EnterpriseDec 2024
- HeicoDec 2024
Letter archive · 56
2026
- Jun 2026Alger.com Focus Equity Fund
- Jun 2026Alger Small Cap Focus Fund
- Mar 2026Alger International Opportunities Fund I
- Mar 2026Alger Growth & Income Fund
- Mar 2026Alger Spectra Fund
- Mar 2026Alger Weatherbie Specialized Growth Fund
- Mar 2026Alger Mid Cap Growth Fund
- Mar 2026Alger Mid Cap Focus Fund
- Mar 2026Alger Small Cap Focus Fund
- Mar 2026Alger Focus Equity Fund
- Mar 2026Alger International Opportunities Fund
- Mar 2026Alger Weatherbie Specialized Growth Fund
- Mar 2026Alger Small Cap Growth Fund
- Mar 2026Alger Capital Appreciation Fund
- Mar 2026Alger Dynamic Opportunities Fund
2025
- Dec 2025Alger Focus Equity Fund
- Dec 2025Alger Spectra Fund
- Dec 2025Alger Mid Cap Focus Fund
- Dec 2025Alger Capital Appreciation Fund
- Dec 2025Alger Mid Cap Growth Fund
- Dec 2025Alger Weatherbie Specialized Growth Fund
- Dec 2025Alger Small Cap Focus Fund
- Dec 2025Alger International Opportunities Fund
- Dec 2025Alger Growth & Income Fund
- Dec 2025Alger Dynamic Opportunities Fund
- Dec 2025Alger Small Cap Growth Fund
- Sep 2025Alger Mid Cap Growth Fund
- Jun 2025Alger Focus Equity Fund
- Jun 2025Alger Mid Cap Focus Fund
- Jun 2025Alger Small Cap Focus Fund
- Jun 2025Alger Capital Appreciation Fund
- Jun 2025Alger Small Cap Growth Fund
- Jun 2025Alger International Opportunities Fund
- Jun 2025Alger Weatherbie Specialized Growth Fund
- Jun 2025Alger Focus Equity Fund
- Jun 2025Alger Mid Cap Growth Fund
- Jun 2025Alger Spectra Fund
- Jun 2025Alger Mid Cap Focus Fund
- Jun 2025Alger Small Cap Focus Fund
- Jun 2025Alger Capital Appreciation Fund
- Jun 2025Alger Small Cap Growth Fund
- Jun 2025Alger International Opportunities Fund
- Jun 2025Alger Weatherbie Specialized Growth Fund
- Jun 2025Alger Mid Cap Growth Fund
- Jun 2025Alger Spectra Fund
- Mar 2025Alger International Opportunities Fund
- Mar 2025Alger Focus Equity Fund
2024
- Dec 2024Alger Dynamic Opportunities Fund
- Dec 2024Alger International Opportunities Fund
- Dec 2024Alger Mid Cap Growth Fund
- Dec 2024Alger Small Cap Focus Fund
- Dec 2024Alger Weatherbie Specialized Growth Fund
- Dec 2024Alger Focus Equity Fund
- Dec 2024Alger Mid Cap Focus Fund
- Dec 2024Alger Growth & Income Fund
- Dec 2024Alger Small Cap Growth Fund
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