TLDR
- Harbor Capital Advisors launched the Anthropic AI Lab Ecosystem ETF in August as a way to invest in companies benefiting from Anthropic’s spending.
- The ETF holds chipmakers, cloud companies and Bitcoin miners tied to Anthropic’s AI infrastructure expansion.
- Major holdings include Broadcom, AMD, Micron, Amazon, Alphabet and Microsoft.
- The fund has gained about 5% since launch and has attracted $13.5 million in assets under management.
- Anthropic’s IPO has reportedly been pushed to November, while investors continue to watch its rapid revenue growth and competition with OpenAI.
Investors looking for exposure to Anthropic before its expected IPO now have an indirect way to play the AI company through a new exchange-traded fund. Harbor Capital Advisors launched the Anthropic AI Lab Ecosystem ETF in August to invest in companies that could benefit from Anthropic’s large infrastructure spending.
The fund does not own Anthropic shares directly. Instead, it holds businesses supplying the chips, cloud computing, data centers and energy infrastructure needed to develop and operate Claude and Anthropic’s other AI systems.
Anthropic ETF Targets AI Infrastructure Winners
The actively managed ETF includes major semiconductor companies such as Broadcom, Advanced Micro Devices and Micron. It also holds cloud computing companies Amazon, Alphabet and Microsoft, all of which are positioned to benefit as demand for AI infrastructure grows.
The portfolio extends beyond traditional technology stocks. Bitcoin miners TeraWulf, Hut 8 and Riot Platforms also feature in the fund after announcing deals involving data-center infrastructure tied to Anthropic.
That gives the ETF exposure to several layers of the AI buildout rather than relying on Anthropic alone. Rising Claude usage could increase demand for semiconductors, cloud capacity, electricity and data-center infrastructure.
The Anthropic fund has gained about 5% since its debut and has accumulated roughly $13.5 million in assets under management. That remains small by ETF industry standards, but it has attracted more assets than Harbor’s four other AI ecosystem funds combined.
Investors Look Ahead to Anthropic IPO
Anthropic is expected to pursue a public listing, although the timing has reportedly shifted toward November. The company has been expanding rapidly as demand for its Claude models grows among businesses and developers.
Anthropic’s annualized revenue run rate reportedly reached about $65 billion by the end of July, compared with roughly $9 billion at the end of 2025. OpenAI’s annualized run rate had passed $40 billion during the same month.
Competition between the two companies remains intense. OpenAI’s GPT-6 Astra has gained enterprise traction, while Anthropic continues investing in new Claude models and balancing growth with pressure to improve profitability ahead of a possible IPO.
The ETF therefore offers investors exposure to businesses that may benefit from Anthropic’s spending even before the AI company itself becomes publicly traded. However, its performance will depend on those underlying companies rather than directly tracking Anthropic’s valuation.
Harbor Expands Its AI ETF Lineup
Harbor has launched similar ecosystem ETFs tied to Meta, Google DeepMind, SpaceX and OpenAI. Many of the funds share holdings such as Nvidia, Oracle and Quanta Computer, although their portfolios are designed around the spending patterns of different AI companies.
The firm has also launched the Munificent Seven ETF, which invests in energy companies expected to benefit from rising electricity demand from AI data centers. Holdings include Chevron, ExxonMobil, Shell, TotalEnergies, ConocoPhillips, BP and Equinor.
The energy-focused fund has fallen about 2% since launch as oil prices declined. Its early performance highlights one of the risks of highly concentrated thematic investing.
AI ecosystem ETFs can provide targeted exposure to a fast-growing investment theme, but they can also increase concentration in technology and related sectors. Investors who already own broad market index funds may already have large positions in many of the same companies.
For now, the Anthropic ETF provides one of the few publicly traded ways to gain indirect exposure to the company before its anticipated IPO. Its early popularity also suggests investors are looking beyond individual AI stocks toward the wider infrastructure ecosystem benefiting from the industry’s rapid expansion.
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