Ansbert Gadicke - Net Worth and Insider Trading
Ansbert Gadicke Net Worth
The estimated net worth of Ansbert Gadicke is at least $945 Million dollars as of 2026-08-10. Ansbert Gadicke is the 10% Owner of Aktis Oncology Inc and owns about 28,633,490 shares of Aktis Oncology Inc (AKTS) stock worth over $698 Million. Ansbert Gadicke is the Director, 10% Owner of Cullinan Therapeutics Inc and owns about 7,892,819 shares of Cullinan Therapeutics Inc (CGEM) stock worth over $142 Million. Ansbert Gadicke is also the Former 10% Owner of ITeos Therapeutics Inc and owns about 3,452,797 shares of ITeos Therapeutics Inc (ITOS) stock worth over $35 Million. Besides these, Ansbert Gadicke also holds Repare Therapeutics Inc (RPTX) , Harpoon Therapeutics Inc (HARP) , TCR2 Therapeutics Inc (TCRR) , Rigel Pharmaceuticals Inc (RIGL) , Verastem Inc (VSTM) , Oncorus Inc (ONCR) . Details can be seen in Ansbert Gadicke'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 Ansbert Gadicke has not made any transactions after 2026-01-12 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Ansbert Gadicke
Ansbert Gadicke Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Ansbert Gadicke owns 35 companies in total, including Oncorus Inc (ONCR) , Dyne Therapeutics Inc (DYN) , and AlloVir Inc (ALVR) among others .
Click here to see the complete history of Ansbert Gadicke’s form 4 insider trades.
Insider Ownership Summary of Ansbert Gadicke
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| ONCR | Oncorus Inc | 2020-10-06 | 10 percent owner |
| DYN | Dyne Therapeutics Inc | 2020-09-16 | 10 percent owner |
| ALVR | AlloVir Inc | 2020-07-29 | director & 10 percent owner |
| 2025-05-13 | director & 10 percent owner | ||
| 2021-07-12 | 10 percent owner | ||
| 2023-05-22 | director & 10 percent owner | ||
| 2019-02-12 | 10 percent owner | ||
| 2017-10-04 | 10 percent owner | ||
| 2011-11-18 | director & 10 percent owner | ||
| 2016-06-09 | director | ||
| 2016-03-02 | 10 percent owner | ||
| 2015-10-14 | 10 percent owner | ||
| 2014-04-22 | 10 percent owner | ||
| 2014-03-10 | 10 percent owner | ||
| 2013-05-30 | 10 percent owner | ||
| 2013-07-24 | 10 percent owner | ||
| 2011-02-02 | 10 percent owner | ||
| 2012-08-11 | 10 percent owner | ||
| 2012-02-01 | director | ||
| 2011-10-27 | 10 percent owner | ||
| 2010-12-14 | other: Former 10% Owner | ||
| 2007-08-03 | other: See explanation below | ||
| 2010-09-30 | 10 percent owner | ||
| 2010-03-11 | 10 percent owner | ||
| 2010-01-27 | 10 percent owner | ||
| 2009-11-05 | 10 percent owner | ||
| 2006-12-19 | 10 percent owner | ||
| 2003-12-17 | 10 percent owner | ||
| 2004-07-02 | 10 percent owner | ||
| 2004-03-10 | 10 percent owner | ||
| 2021-10-28 | 10 percent owner | ||
| 2021-04-29 | 10 percent owner | ||
| 2021-09-16 | director & 10 percent owner | ||
| 2020-07-29 | director & 10 percent owner | ||
| 2026-01-08 | 10 percent owner |
Ansbert Gadicke Latest Holdings Summary
Ansbert Gadicke currently owns a total of 9 stocks. Among these stocks, Ansbert Gadicke owns 28,633,490 shares of Aktis Oncology Inc (AKTS) as of January 12, 2026, with a value of $698 Million and a weighting of 73.79%. Ansbert Gadicke owns 7,892,819 shares of Cullinan Therapeutics Inc (CGEM) as of September 16, 2021, with a value of $142 Million and a weighting of 15.05%. Ansbert Gadicke also owns 3,452,797 shares of ITeos Therapeutics Inc (ITOS) as of May 13, 2025, with a value of $35 Million and a weighting of 3.71%. The other 6 stocks Repare Therapeutics Inc (RPTX) , Harpoon Therapeutics Inc (HARP) , TCR2 Therapeutics Inc (TCRR) , Rigel Pharmaceuticals Inc (RIGL) , Verastem Inc (VSTM) , Oncorus Inc (ONCR) have a combined weighting of 7.45% among all his current holdings.
Latest Holdings of Ansbert Gadicke
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| AKTS | Aktis Oncology Inc | 2026-01-12 | 28,633,490 | 24.36 | 697,511,816 |
| CGEM | Cullinan Therapeutics Inc | 2021-09-16 | 7,892,819 | 18.03 | 142,307,527 |
| ITOS | ITeos Therapeutics Inc | 2025-05-13 | 3,452,797 | 10.15 | 35,045,890 |
| RPTX | Repare Therapeutics Inc | 2021-07-12 | 11,706,178 | 2.65 | 31,021,372 |
| HARP | Harpoon Therapeutics Inc | 2019-02-12 | 842,285 | 23.01 | 19,380,978 |
| TCRR | TCR2 Therapeutics Inc | 2023-05-22 | 7,529,946 | 1.48 | 11,144,320 |
| RIGL | Rigel Pharmaceuticals Inc | 2004-07-02 | 183,360 | 40.92 | 7,503,091 |
| VSTM | Verastem Inc | 2012-02-01 | 169,444 | 6.52 | 1,103,928 |
| ONCR | Oncorus Inc | 2020-10-06 | 2,377,025 | 0.13 | 299,505 |
Holding Weightings of Ansbert Gadicke
Ansbert Gadicke Form 4 Trading Tracker
According to the SEC Form 4 filings, Ansbert Gadicke has made a total of 1 transactions in Aktis Oncology Inc (AKTS) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Aktis Oncology Inc is the acquisition of 1,112,777 shares on January 12, 2026, which cost Ansbert Gadicke around $20 Million.
According to the SEC Form 4 filings, Ansbert Gadicke has made a total of 8 transactions in Cullinan Therapeutics Inc (CGEM) over the past 5 years, including 0 buys and 8 sells. The most-recent trade in Cullinan Therapeutics Inc is the sale of 3,556 shares on September 16, 2021, which brought Ansbert Gadicke around $103,337.
According to the SEC Form 4 filings, Ansbert Gadicke has made a total of 1 transactions in ITeos Therapeutics Inc (ITOS) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in ITeos Therapeutics Inc is the sale of 1,031,931 shares on May 13, 2025, which brought Ansbert Gadicke around $8 Million.
More details on Ansbert Gadicke's insider transactions can be found in the Insider Trading History of Ansbert Gadicke table.Insider Trading History of Ansbert Gadicke
* 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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Ansbert Gadicke Trading Performance
GuruFocus tracks the stock performance after each of Ansbert Gadicke's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Ansbert Gadicke is 8.92%. GuruFocus also compares Ansbert Gadicke's trading performance to market benchmark return within the same time period. The performance of stocks bought by Ansbert Gadicke within 3 months outperforms 1 times out of 7 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Ansbert Gadicke's insider trading performs compared to the benchmark.
Performance of Ansbert Gadicke
Ansbert Gadicke Ownership Network
Ownership Network List of Ansbert Gadicke
Ownership Network Relation of Ansbert Gadicke

Ansbert Gadicke Owned Company Details
What does Oncorus Inc do?
Who are the key executives at Oncorus Inc?
Ansbert Gadicke is the 10 percent owner of Oncorus Inc. Other key executives at Oncorus Inc include Interim CEO Brian J. Shea , Interim CFO Alexander Nolte , and director & 10 percent owner & other: *Possible Member of 10% Group James E Flynn .
Oncorus Inc (ONCR) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Oncorus Inc (ONCR) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Oncorus Inc (ONCR) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Oncorus Inc (ONCR)'s detailed insider trading history can be found in Insider Trading Tracker table.
Oncorus Inc Insider Transactions
Ansbert Gadicke Mailing Address
Above is the net worth, insider trading, and ownership report for Ansbert Gadicke. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Ansbert Gadicke's mailing address is: Boston Ma 02116.