Definium Therapeutics, Inc. - Common Shares, no par value per share (DFTX)

Q: What does CUSIP 24477V105 represent in this 13F holders report?

CUSIP 24477V105 is the security identifier for DFTX - Definium Therapeutics, Inc. - Common Shares, no par value per share used to aggregate holder disclosures.

Q: How many institutions held DFTX - Definium Therapeutics, Inc. - Common Shares, no par value per share in Q2 2026?

356 institutional investors reported DFTX - Definium Therapeutics, Inc. - Common Shares, no par value per share for Q2 2026. Use the holders table for investor-level position and value details.

CUSIP: 24477V105

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class: Equity / Common Shares, no par value per share
Total 13F shares: 112,873,991
Total 13F value: $5,309,052,281
Share change: +32,800,078
Put/Call ratio: 40%
SEC-reported price per share: $47.04
Number of holders: 356
Value change: +$1,632,500,660
Number of buys: 257
Number of sells: 93
Shares outstanding: 133,888,889

Security key

24477V105

Report period

Q2 2026

Institutions

356

Top holders

DFTX full security history Ownership snapshot Full 13F holder table Previous quarter: Q4 2025 Definium Therapeutics, Inc. SEC filings Definium Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 24477V105

Previous quarter: Q4 2025

Recent filing periods:

Q4 2025

Ownership snapshot

Top reported holders of DFTX - Definium Therapeutics, Inc. - Common Shares, no par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

DRIEHAUS CAPITAL MANAGEME...

Comparable rows

15/15

Latest evidence

30 Jun 2026

13F 13D/G Lead comparable stake: 8.3% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 8.3%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.

Comparable ownership Top 5

BlackRock, Inc. 8.3%

DRIEHAUS CAPITAL MANAGEMENT LLC 5.4%

Avoro Capital Advisors LLC 5.1%

Deep Track Capital, LP 3%

Commodore Capital LP 1.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	8.3% from 13D/G	$160,276,347 8,480,230 shares	—	31 Mar 2026
DRIEHAUS CAPITAL MANAGEMENT LLC	13D/G 13F Company 13D/G 13F	5.4%	$298,796,297 6,845,276 shares	+$13,447,430	30 Jun 2026
Avoro Capital Advisors LLC	13F 13D/G Company 13F 13D/G	5.1% from 13D/G	$94,500,000 5,000,000 shares	—	31 Mar 2026
Deep Track Capital, LP	13D/G 13F Company 13D/G 13F	3%	$66,750,000 3,000,000 shares	-$59,553,015	31 Mar 2026
Commodore Capital LP	13D/G 13F Company 13D/G 13F	1.8%	$105,196,500 2,410,000 shares	-$219,069,529	30 Jun 2026
Janus Henderson Group Ltd.	13F Company 13F	2.7%	$67,226,955 3,556,041 shares	—	31 Mar 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

356

112,873,991

Rows available

356

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q2 2026 holders

356

Holder diff

348

Investor	Q4 2025 Shares	Q2 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q2 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend