Frances Arnold - Net Worth and Insider Trading
Frances Arnold Net Worth
The estimated net worth of Frances Arnold is at least $10 Million dollars as of 2026-09-13. Frances Arnold is the Director of Generate Biomedicines Inc and owns about 463,944 shares of Generate Biomedicines Inc (GENB) stock worth over $7 Million. Frances Arnold is the Director of Illumina Inc and owns about 9,954 shares of Illumina Inc (ILMN) stock worth over $2 Million. Frances Arnold is also the Director of Alphabet Inc and owns about 940 shares of Alphabet Inc (GOOGL) stock worth over $318,190. Besides these, Frances Arnold also holds Alphabet Inc (GOOG) . Details can be seen in Frances Arnold's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Frances Arnold has not made any transactions after 2026-09-01 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Frances Arnold
Frances Arnold Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Frances Arnold owns 4 companies in total, including Alphabet Inc (GOOG) , Illumina Inc (ILMN) , and Alphabet Inc (GOOGL) among others .
Click here to see the complete history of Frances Arnold’s form 4 insider trades.
Insider Ownership Summary of Frances Arnold
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| GOOG | Alphabet Inc | 2024-04-30 | director |
| ILMN | Illumina Inc | 2020-05-11 | director |
| GOOGL | Alphabet Inc | 2026-08-28 | director |
| 2026-09-01 | director |
Frances Arnold Latest Holdings Summary
Frances Arnold currently owns a total of 4 stocks. Among these stocks, Frances Arnold owns 463,944 shares of Generate Biomedicines Inc (GENB) as of September 1, 2026, with a value of $7 Million and a weighting of 75.15%. Frances Arnold owns 9,954 shares of Illumina Inc (ILMN) as of May 11, 2020, with a value of $2 Million and a weighting of 21.16%. Frances Arnold also owns 940 shares of Alphabet Inc (GOOGL) as of August 28, 2026, with a value of $318,190 and a weighting of 3.28%. The other 1 stocks Alphabet Inc (GOOG) have a combined weighting of 0.41% among all his current holdings.
Latest Holdings of Frances Arnold
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| GENB | Generate Biomedicines Inc | 2026-09-01 | 463,944 | 15.73 | 7,297,839 |
| ILMN | Illumina Inc | 2020-05-11 | 9,954 | 206.45 | 2,055,003 |
| GOOGL | Alphabet Inc | 2026-08-28 | 940 | 338.50 | 318,190 |
| GOOG | Alphabet Inc | 2024-04-30 | 120 | 335.45 | 40,254 |
Holding Weightings of Frances Arnold
Frances Arnold Form 4 Trading Tracker
According to the SEC Form 4 filings, Frances Arnold has made a total of 1 transactions in Generate Biomedicines Inc (GENB) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Generate Biomedicines Inc is the sale of 1,000 shares on September 1, 2026, which brought Frances Arnold around $16,000.
According to the SEC Form 4 filings, Frances Arnold has made a total of 0 transactions in Illumina Inc (ILMN) over the past 5 years. The most-recent trade in Illumina Inc is the sale of 1,503 shares on May 11, 2020, which brought Frances Arnold around $464,592.
According to the SEC Form 4 filings, Frances Arnold has made a total of 24 transactions in Alphabet Inc (GOOGL) over the past 5 years, including 0 buys and 24 sells. The most-recent trade in Alphabet Inc is the sale of 82 shares on August 28, 2026, which brought Frances Arnold around $27,692.
More details on Frances Arnold's insider transactions can be found in the Insider Trading History of Frances Arnold table.Insider Trading History of Frances Arnold
* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.
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Frances Arnold Trading Performance
Frances Arnold Ownership Network
Ownership Network List of Frances Arnold
Ownership Network Relation of Frances Arnold

Frances Arnold Owned Company Details
What does Alphabet Inc do?
Who are the key executives at Alphabet Inc?
Frances Arnold is the director of Alphabet Inc. Other key executives at Alphabet Inc include director & Chief Executive Officer Sundar Pichai , SVP & CFO Ruth Porat , and director & 10 percent owner & Chief Executive Officer Lawrence Page .
Alphabet Inc (GOOG) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Alphabet Inc (GOOG) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Alphabet Inc (GOOG) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Alphabet Inc (GOOG)'s detailed insider trading history can be found in Insider Trading Tracker table.
Alphabet Inc Insider Transactions
Frances Arnold Mailing Address
Above is the net worth, insider trading, and ownership report for Frances Arnold. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Frances Arnold's mailing address is: San Diego Ca 92122.