Jakob Haldor Topsoe - Net Worth and Insider Trading
Jakob Haldor Topsoe Net Worth
The estimated net worth of Jakob Haldor Topsoe is at least $14 Million dollars as of 2025-04-26. Jakob Haldor Topsoe is the Director, 10% Owner of IGM Biosciences Inc and owns about 10,482,700 shares of IGM Biosciences Inc (IGMS) stock worth over $14 Million. Details can be seen in Jakob Haldor Topsoe'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 Jakob Haldor Topsoe has not made any transactions after 2023-06-30 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Jakob Haldor Topsoe
Jakob Haldor Topsoe Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Jakob Haldor Topsoe owns 1 companies in total, including IGM Biosciences Inc (IGMS) .
Click here to see the complete history of Jakob Haldor Topsoe’s form 4 insider trades.
Insider Ownership Summary of Jakob Haldor Topsoe
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
IGMS | IGM Biosciences Inc | 2023-06-30 | director & 10 percent owner |
Jakob Haldor Topsoe Latest Holdings Summary
Jakob Haldor Topsoe currently owns a total of 1 stock. Jakob Haldor Topsoe owns 10,482,700 shares of IGM Biosciences Inc (IGMS) as of June 30, 2023, with a value of $14 Million.
Latest Holdings of Jakob Haldor Topsoe
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
IGMS | IGM Biosciences Inc | 2023-06-30 | 10,482,700 | 1.32 | 13,837,164 |
Holding Weightings of Jakob Haldor Topsoe
Jakob Haldor Topsoe Form 4 Trading Tracker
According to the SEC Form 4 filings, Jakob Haldor Topsoe has made a total of 4 transactions in IGM Biosciences Inc (IGMS) over the past 5 years, including 4 buys and 0 sells. The most-recent trade in IGM Biosciences Inc is the acquisition of 7,000 shares on June 30, 2023, which cost Jakob Haldor Topsoe around $64,190.
Insider Trading History of Jakob Haldor Topsoe
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Jakob Haldor Topsoe Trading Performance
GuruFocus tracks the stock performance after each of Jakob Haldor Topsoe's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Jakob Haldor Topsoe is 48.22%. GuruFocus also compares Jakob Haldor Topsoe's trading performance to market benchmark return within the same time period. The performance of stocks bought by Jakob Haldor Topsoe within 3 months outperforms 6 times out of 8 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Jakob Haldor Topsoe's insider trading performs compared to the benchmark.
Performance of Jakob Haldor Topsoe
Jakob Haldor Topsoe Ownership Network
Ownership Network List of Jakob Haldor Topsoe
Ownership Network Relation of Jakob Haldor Topsoe

Jakob Haldor Topsoe Owned Company Details
What does IGM Biosciences Inc do?
Who are the key executives at IGM Biosciences Inc?
Jakob Haldor Topsoe is the director & 10 percent owner of IGM Biosciences Inc. Other key executives at IGM Biosciences Inc include Principal Accounting Officer Steven Weber , Chief Financial Officer Misbah Tahir , and Chief Business Officer Lisa Lynn Decker .
IGM Biosciences Inc (IGMS) Insider Trades Summary
Over the past 18 months, Jakob Haldor Topsoe made no insider transaction in IGM Biosciences Inc (IGMS). Other recent insider transactions involving IGM Biosciences Inc (IGMS) include a net sale of 16,402 shares made by Lisa Lynn Decker , a net sale of 18,871 shares made by Misbah Tahir , and a net sale of 5,319 shares made by Steven Weber .
In summary, during the past 3 months, insiders sold 20,871 shares of IGM Biosciences Inc (IGMS) in total and bought 0 shares, with a net sale of 20,871 shares. During the past 18 months, 129,674 shares of IGM Biosciences Inc (IGMS) were sold and 928,010 shares were bought by its insiders, resulting in a net purchase of 798,336 shares.
IGM Biosciences Inc (IGMS)'s detailed insider trading history can be found in Insider Trading Tracker table.
IGM Biosciences Inc Insider Transactions
Jakob Haldor Topsoe Mailing Address
Above is the net worth, insider trading, and ownership report for Jakob Haldor Topsoe. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Jakob Haldor Topsoe's mailing address is: Mountain View Ca 94043.