[Breaking News] Cathie Wood buys over 400,000 shares of SOFI! Also buys NVIDIA, while selling PLTR and Bitcoin ETF | A thorough explanation of ARK's investment strategy for …
It is more important to understand “why capital was shifted” than “what was bought.”
November 9, 2026.
ARK Invest, led by the notable investor Cathie Wood, has adjusted its portfolio in the US stock market.
This time, we want to focus on the following four stocks.
🔥 SOFI: Purchased 405,720 shares
🔥 NVIDIA: Purchased 90,443 shares
📉 Palantir: Sold 8,509 shares
📉 Bitcoin ETF (ARKB): Sold 64,295 shares
At first glance, this might look like simple trading news.
However, these trades contain important hints for considering future US stock investments.
That is,
the decision of “where to concentrate capital, even among similar growth stocks.”
In this article, we will organize Cathie Wood’s latest trades in a way that is easy for beginners to understand, while also examining the future of AI, fintech, semiconductors, and crypto assets from the unique perspective of US STOCKS NAVI.
*This article is based on materials provided as of November 9, 2026. The trading volumes are based on the figures in the published materials, and verification against official ARK trade disclosures is required. Furthermore, we clearly distinguish between published facts and the author’s speculations regarding the reasons for the trades.
📚 Table of Contents
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Who is Cathie Wood?
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List of trades on November 9
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Examining the reasons for buying over 400,000 shares of SOFI
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What the NVIDIA purchase indicates about the direction of AI investment
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Is the Palantir sale a shift to a bearish stance?
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How should we interpret the sale of Bitcoin ETFs?
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Analyzing the sales of BYD, Tempus AI, and Block
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Movements in semiconductor, space, and medical-related stocks
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Three investment strategies deciphered from these trades
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Key points for individual investors to learn
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Summary | Stocks to watch next
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Recommended articles for investment beginners
1. Who is Cathie Wood?
Cathie Wood is an investor known as the founder of the US asset management firm ARK Invest.
What the firm prioritizes is not just current profits.
It is investing in ‘technologies and companies that will significantly change society in the future’.
Representative investment themes include the following:
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AI (Artificial Intelligence)
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Robotics and Automation
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Genome Sequencing and Gene Editing
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Blockchain
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Next-Generation Financial Services
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Autonomous Driving
These technologies have the potential to change society over the long term, spanning the next 10 to 20 years.
However, just because a company has high future potential does not mean its stock price will necessarily rise.
ARK’s growth-focused funds can experience significant price drops due to changes in interest rates and market sentiment.
That is precisely why understanding the flow of funds rather than blindly copying ARK’s trades is important.
2. [List] ARK Invest trading trends for November 9
Let’s organize these trades.
🟢 Stocks purchased
*SCTY is the notation for Scribe Therapeutics as stated in the provided materials. The official ticker and the subject of the transaction require further verification.
🔴 Stocks sold
What we should note here is that the number of shares traded and the investment amount are not the same.
For example, just because 400,000 shares of SOFI were purchased, it does not necessarily mean the investment amount is larger than the 90,000 shares of NVIDIA.
This is because the stock prices are different.
In reality, to accurately analyze capital allocation, it is necessary to check the transaction amounts and the holding ratios of each fund.
With that in mind, let’s interpret these trades.
3. [SOFI] Over 400,000 shares added! Next-generation finance that Cathie Wood is focusing on
This time, the most notable purchase in terms of share count was SOFI.
What is SOFI?
SoFi Technologies (NASDAQ: SOFI) is a US-based digital financial services company.
Its main businesses are:
, etc.
While traditional banks have centered their services around physical branches, SoFi’s strength lies in financial services provided through smartphones.
Why did she increase her SoFi holdings?
While we cannot definitively conclude the reason for this purchase based solely on public filings, I am focusing on three possibilities.
① Room for growth in digital banking
As financial services continue to move online, SoFi has room to expand its customer base.
② Revenue opportunities through multiple services
They offer multiple services beyond just lending, including deposits, investments, and financial technology.
If they can increase the number of services customers use, it could lead to a diversification of revenue streams.
③ Expectations for future profit growth
When evaluating growth companies, not only is revenue growth important, but so are profit margins and revenue stability.
Whether SoFi can achieve both growth and profitability will determine its future valuation.
⚠️ Risks of SOFI
On the other hand, there are points to be aware of.
The lending business carries credit risk, and if the economy worsens, credit costs could increase.
Additionally, high-growth stocks with high expectations tend to see larger price drops when earnings fall short of market forecasts.
Perspective from US STOCKS NAVI
This SoFi purchase suggests that ARK may continue to focus on the growth potential of digital finance.
However, it is premature to judge that ‘now is the time to buy’ based solely on the fact that they increased their holdings.
4. [NVIDIA] Is the AI boom over? What the purchase of over 90,000 shares indicates
Next, we want to focus on NVIDIA (NASDAQ: NVDA).
NVIDIA is a company that plays a crucial role in AI-oriented semiconductors and related systems.
Running generative AI like ChatGPT requires a massive amount of computational processing.
This is where GPUs become important.
GPUs are well-suited for processing large amounts of calculations in parallel and are widely used for training and inference of AI models.
Why NVIDIA now?
There are three possible backgrounds for this purchase.
1. Investment demand for AI infrastructure
As more companies utilize AI, the demand for data centers and computing facilities may expand.
2. The expansion of AI from training to inference
AI requires computational power not only when developing models but also when actually using them as services.
3. Rebalancing capital allocation within AI-related stocks
It is reported that ARK partially sold off Broadcom, Synopsys, and Teradyne this time.
Therefore, they may have adjusted the weight of their investments within the AI and semiconductor sectors.
However, since we have not compared the sale amounts with the purchase amounts, we cannot definitively conclude that a direct transfer of funds to NVIDIA occurred.
Points to note regarding NVIDIA
While NVIDIA has significant growth opportunities, risks include intensifying competition, the development of proprietary semiconductors by client companies, export restrictions, and fluctuations in capital expenditure.
The growth of the AI market and the rise of NVIDIA stock are separate issues.
This is a point worth remembering.
5. [Palantir] Is the sale of PLTR a bearish shift for AI stocks?
This time, it is reported that 8,509 shares of Palantir Technologies (NASDAQ: PLTR) were also sold.
Palantir is a company that provides data analysis and AI-related software for businesses and government agencies.
What is concerning here is,
“Why sell Palantir when you are buying NVIDIA?”
This is likely the question.
In fact, even among AI-related companies, their business models differ significantly.
NVIDIA: The computing infrastructure that powers AI
Palantir: Software that utilizes AI and data for business operations
In other words, both companies operate in different segments of the AI market.
Possible reasons for the PLTR sale
Regarding this sale, the following possibilities exist:
1. Profit-taking after a stock price increase
2. Rebalancing of holdings
3. Securing funds to purchase other stocks
4. Re-evaluating the balance between stock valuation and future growth rates
However, it has not been confirmed which of these is the actual reason.
Furthermore, one cannot judge that ARK has become bearish on Palantir based solely on the sale of 8,509 shares.
US STOCKS NAVI’s analysis
I am reading one important investment principle from this transaction.
An “excellent company” and an “attractive investment at the current stock price” are not necessarily the same thing.
No matter how high a company’s growth potential is, if future expectations are already too heavily priced into the stock, investment returns may be limited.
In investing, it is important to think about a company’s future potential and its current stock price separately.
6. [ARKB] Sold over 60,000 shares of Bitcoin ETF! A bearish turn on crypto assets?
The ARK 21Shares Bitcoin ETF (ARKB) is a spot Bitcoin ETF that provides investment opportunities in Bitcoin’s price movements.
This time, the sale of 64,295 shares has been reported.
Seeing this,
“Has Cathie Wood started to doubt the future potential of Bitcoin?”
some people might think.
However, there are various reasons for selling.
For example, capital allocation to stocks, risk management of the entire portfolio, and adjustments to holding ratios.
Therefore, the fact that they sold some of the ETF does not necessarily mean their long-term view on Bitcoin has changed.
Also, the crypto asset-related company Bullish (BLSH) was subject to a sale.
These two transactions are material to consider the possibility that they adjusted their investment ratio in crypto asset-related holdings.
However, it is necessary to confirm the actual holding ratios and the buying and selling of other crypto asset-related stocks.
7. Analyzing the sales of BYD, Tempus AI, and Block
BYD (BYDDY): Risk management for Chinese EVs?
BYD is a major Chinese electric vehicle manufacturer.
This time, the sale of 150,588 shares was reported.
The Chinese EV market is highly competitive, and price competition and trade policies in overseas markets are also significant risks.
This sale may have been intended to adjust for geopolitical risks or regional allocation ratios.
However, this transaction does not necessarily mean that the growth outlook for BYD itself has been denied.
Tempus AI (TEM): A selection of medical AI?
Tempus AI develops businesses that utilize AI and medical data.
The number of shares sold this time was 72,700.
While medical AI is expected to see long-term growth, it is essential to verify costs, profitability, and regulations associated with business expansion.
This sale may also have been an adjustment of the holding ratio or valuation.
Block (XYZ): Focus on the differences from SOFI
Block is a company that develops payment services and finance-related businesses.
The number of shares sold this time was 68,997.
On the other hand, SoFi has been significantly increased.
Although both companies are related to financial technology, their business structures are different.
Block develops merchant payment services and Cash App, while SoFi aims for growth centered on banking, lending, and financial services.
Even within the same fintech sector, it is important to compare which business model has room for growth.
8. Movements in semiconductor, space, and medical-related stocks
This sale also includes AI and semiconductor-related companies.
Synopsys (SNPS)
A company that provides EDA software and other tools to support semiconductor design.
Number of shares sold: 3,712.
Teradyne (TER)
This company handles semiconductor testing equipment and more.
Number of shares sold: 2,975 shares.
Broadcom (AVGO)
This company develops semiconductors and infrastructure software.
Number of shares sold: 519 shares.
When comparing these sales with the purchase of NVIDIA, the possibility emerges that they have re-evaluated their investment allocation within the semiconductor sector.
However, this does not mean that the competitiveness of the companies sold has declined.
Honeywell Aerospace (HONA)
This company handles aerospace-related technologies and products.
Number of shares sold: 4,069 shares.
While it is possible that their view on the aerospace sector has changed, one cannot conclude from this transaction alone that there is a bearish shift in overall space and aviation-related investments.
Personalis (PSNL)
This company is involved in areas such as genome analysis.
Number of shares sold: 95 shares.
This is a very small-scale transaction, and it would be difficult to read a change in investment policy from this alone.
Scribe Therapeutics
The provided materials indicate a purchase of 5,660 shares.
Scribe Therapeutics is known as a company working on gene editing technology, but it is necessary to confirm the ticker symbol and the nature of the trade in the documents.
Therefore, at this stage, we do not treat this as a standard listed stock transaction and consider it an item requiring further verification.
9. Three investment strategies to decipher from this trading activity
Looking at these trades, I believe there are three important points.
1. The possibility that she is selecting specific investments even within AI-related stocks
She bought NVIDIA and sold portions of Palantir, Broadcom, Synopsys, and others.
This may not be a simple judgment of being bullish or bearish on the AI market as a whole, but rather an adjustment based on the growth potential and stock valuation of individual companies.
2. High attention on SOFI in the fintech sector
She is increasing her position in SoFi while selling Block.
It is possible that ARK has different evaluations regarding the business models and future profitability of the two companies.
However, without checking the holdings of each individual fund, it is impossible to determine which one they actually prioritize.
3. The possibility of balancing growth investment with risk management
The sale of assets like BYD and Bitcoin ETFs can also be interpreted as risk adjustment for the entire portfolio.
When investing in growth stocks, it is important not only to aim for large profits but also to manage funds so that they are not overly concentrated in specific companies or themes.
10. [Must-see for beginners] What to learn from Cathie Wood’s trading
From here, let’s think about how we as individual investors can apply this to our actual investments.
Lesson 1: Do not blindly copy the trades of famous investors
Just because a famous investor bought a stock does not mean it is the optimal investment for you.
Investment horizons, assets held, and acceptable loss amounts vary from person to person.
Also, by the time trading information is made public, the stock price may have already fluctuated.
Lesson 2: Look at a company’s growth and profitability rather than its stock price
Investment beginners tend to focus on stocks that have seen rapid price increases.
However, what is truly important is how much profit and cash flow that company can generate in the future.
In addition to revenue, check profit margins, debt, competitiveness, and stock valuation.
Lesson 3: Think in terms of the entire portfolio
For example, if you held NVIDIA, Palantir, and Broadcom, even though they are different companies, your dependence on AI-related investments could be high.
Just holding multiple stocks does not necessarily mean you are sufficiently diversified.
It is important to check investment themes and business content as well.
Lesson 4: Use NISA and individual stock investments differently
For investment beginners, concentrating investments in growth stocks with high price volatility is a high-risk choice.
We recommend first securing emergency funds and understanding the basics of long-term, installment, and diversified investment.
On that basis, there is also the approach of allocating a portion of surplus funds to research and investment in individual stocks.
11. [Summary] Pay attention to Cathie Wood’s next move
In ARK Invest’s trades on November 9, 2026, the purchases of SOFI and NVIDIA were particularly notable.
On the other hand, sales of a wide range of stocks such as BYD, Block, Palantir, and Bitcoin ETFs have been reported.
What can be inferred from these moves is,
the possibility that she is adjusting the holding ratios of individual stocks while continuing to invest in areas expected to grow in the future.
Going forward, the three points I would like to pay particular attention to are as follows:
SOFI: Will the expansion of the customer base lead to profit growth?
NVIDIA: How long will the investment demand for AI infrastructure continue?
Palantir: Does the growth of AI-related businesses justify the current stock valuation?
It is important to continuously check these through earnings reports and official company announcements.
Finally, there is something I would like to convey from this news.
What is important in investing is not to guess the next move of famous investors.
It is to learn what those investors value and apply it to your own investment decisions.
At US STOCKS NAVI, we will continue to explain growth themes such as US stocks, AI, semiconductors, fintech, and space-related sectors in a way that is easy for beginners to understand.
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After reading this news,
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“I want to firmly understand the basics of investing”
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Thank you for reading until the end!
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What did you think of this ARK Invest trade?
Buying more SOFI, purchasing NVIDIA, or selling Palantir.
Please let me know in the comments which stock caught your attention the most.
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