Latest Period
Q4 2025
Security Snapshot
Definium Therapeutics, Inc. - Common Shares, no par value per share (DFTX) Institutional Ownership
CUSIP: 24477V105
13F Institutional Holders and Ownership History from Q4 2025 to Q1 2026
Institutions Reporting
8
Shares (Excl. Options)
11,252,538
Price
$13.39
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- Type / Class
- Equity / Common Shares, no par value per share
- Symbol
- DFTX on Nasdaq
- Shares outstanding
- 103,177,431
- Price per share
- $22.25
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 11,252,538
- Total reported value
- $150,679,840
- % of total 13F portfolios
- 0%
- Share change
- +11,252,147
- Value change
- +$150,673,017
- Number of holders
- 8
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- DFTX - Definium Therapeutics, Inc. - Common Shares, no par value per share is tracked under CUSIP 24477V105.
- 8 institutions reported positions in Q4 2025.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 8 to 66 between Q4 2025 and Q1 2026.
- Reported value moved from $150,679,840 to $89,231,197.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 8 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 24477V105?
CUSIP 24477V105 identifies DFTX - Definium Therapeutics, Inc. - Common Shares, no par value per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 24477V105:
Significant Owners of Definium Therapeutics, Inc. - Common Shares, no par value per share (DFTX) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Commodore Capital LP | 7.2% | 7,428,775 | Commodore Capital LP | 31 Dec 2025 | ||||
| DRIEHAUS CAPITAL MANAGEMENT LLC | 6.6% | 6,537,202 | DRIEHAUS CAPITAL MANAGEMENT LLC | 31 Dec 2025 | ||||
| Deep Track Capital, LP | 5.5% | 5,676,540 | Deep Track Capital, LP | 31 Dec 2025 | ||||
| Avoro Capital Advisors LLC | 5.1% | 5,000,000 | Avoro Capital Advisors LLC | 31 Dec 2025 |
As of 31 Dec 2025, 8 institutional investors reported holding 11,252,538 shares of Definium Therapeutics, Inc. - Common Shares, no par value per share (DFTX). This represents 11% of the company’s total 103,177,431 outstanding shares.
Top 8 Institutional Shareholders
The largest institutional shareholders of Definium Therapeutics, Inc. - Common Shares, no par value per share (DFTX) together control 11% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Driehaus Capital Management LLC | 6.3% | 6,537,202 | 0.59% | $87,533,135 | |
| MARSHALL WACE, LLP | 2.9% | 2,975,702 | 0.04% | $39,844,652 | |
| AWM Investment Company, Inc. | 1.3% | 1,390,662 | 1.8% | $18,620,964 | |
| Ensign Peak Advisors, Inc | 0.25% | 262,000 | 0.01% | $3,508,180 | |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.05% | 52,230 | 0% | $700,000 | |
| DARK FOREST CAPITAL MANAGEMENT LP | 0.03% | 30,661 | 0.02% | $410,551 | |
| Sound Income Strategies, LLC | 0% | 3,690 | 0% | $55,535 | |
| Sankala Group LLC | 0% | 391 | 0% | 0.01% | $6,823 |