DFTXDefinium Therapeutics, Inc.

$43.79

Who owns DFTX

243 institutions reported holding DFTX for 2026Q1, together 72% of the company, more than the 8 a quarter earlier.

243

Institutions reporting a position · as of 2026Q1 · up from 8 the quarter before

Shares held by institutions
78.0M

Shares held by institutions · 72% of the company · long US equity positions only, as reported on Form 13F

Reported value
$1.47B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
24%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
2
New positions
228
Positions exited
1
Added to
2
Reduced
4
Top 10 holdersof the company
35%
Largest reported holders, 2026Q1
HolderShares% of companyValue
BlackRock Inc.8.5M7.8%$160M
Driehaus Capital Management LLC5.9M5.4%$112M
Avoro Capital Advisors LLC5.0M4.6%$95M
HENDERSON GROUP PLC3.6M3.3%$67M
Deep Track Capital, LP3.0M2.8%$57M
VANGUARD GROUP INC2.7M2.5%$50M
GEODE CAPITAL MANAGEMENT LLC2.5M2.3%$47M
STATE STREET CORP2.5M2.3%$47M
Octagon Capital Advisors LP2.4M2.2%$46M
Commodore Capital LP2.0M1.8%$38M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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