Definium Therapeutics (DFTX) Held by Superinvestors
Definium Therapeutics, Inc. (DFTX) is currently held by 2 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $17.59M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Duquesne Family Office Llc is currently the largest disclosed institutional shareholder of DFTX tracked by InsiderSet, reporting ownership valued at approximately $16.77M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $12.72M, representing an estimated loss of -24.17% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed DFTX value among the investors covered in this analysis. Major shareholders include Duquesne Family Office Llc, Sequoia Financial Advisors, and several other long-term asset managers with concentrated positions in Definium Therapeutics, Inc. (DFTX).
This page ranks the largest institutional DFTX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Duquesne Family Office Llc | Stanley Druckenmiller | 0.39% | 356,600 | $16,774,000 | $12,719,922 | -$4,054,078 | -24.17% |
| Sequoia Financial Advisors | 0.00% | 17,258 | $811,817 | $615,593 | -$196,224 | -24.17% |
Frequently asked questions about DFTX
Who are the largest superinvestors holding DFTX?
The largest superinvestors holding DFTX in the latest SEC Form 13F filings include Duquesne Family Office Llc and Sequoia Financial Advisors. InsiderSet ranks these superinvestors by their latest reported DFTX position.
What does the DFTX superinvestors page include?
This page tracks DFTX positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. Definium Therapeutics, Inc. (DFTX) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold DFTX?
InsiderSet currently tracks 2 superinvestors reporting DFTX holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own DFTX.
How much DFTX stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $17.59M in DFTX holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value, and it covers the curated superinvestors on this page rather than every institutional filer.
When were DFTX superinvestor holdings last updated?
The latest DFTX superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time holdings.
Are superinvestor DFTX holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by these superinvestors as of the end of the reporting quarter. A superinvestor may have changed its DFTX position after the reporting date.
Are superinvestors buying or selling DFTX?
Buying and selling can be analyzed by comparing DFTX positions across consecutive 13F reporting periods. InsiderSet's DFTX Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View DFTX ownership changes.
How have superinvestor DFTX holdings changed over time?
InsiderSet tracks DFTX holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.