Definium Therapeutics
DFTX · NASDAQ
$35.09+$2.12 (+6.43%)TodayMarket closed ·
Prev close $32.97
Who owns DFTX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 43.2% of DFTX’s shares.
- BlackRock Institutional Trust Company, N.A.8.0%
- Avoro Capital Advisors LLC5.8%
- Driehaus Capital Management, LLC5.5%
- Janus Henderson Investors4.5%
- Next 6 largest institutions19.5%
- All other shareholders56.8%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 9.93M | 7.97% |
| Avoro Capital Advisors LLC | 7.19M | 5.77% |
| Driehaus Capital Management, LLC | 6.85M | 5.49% |
| Janus Henderson Investors | 5.62M | 4.51% |
| Capital World Investors | 5.37M | 4.31% |
| Fidelity Management & Research Company LLC | 4.69M | 3.77% |
| T. Rowe Price Associates, Inc. | 4.52M | 3.63% |
| Geode Capital Management, L.L.C. | 3.64M | 2.92% |
| State Street Investment Management (US) | 3.07M | 2.46% |
| Capital International Investors | 2.96M | 2.38% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| American Funds SMALLCAP World Fund | 7.69M | 6.17% |
| iShares Russell 2000 ETF | 3.37M | 2.70% |
| Vanguard Extended Market Index Fund | 1.49M | 1.20% |
| Fidelity Small Cap Index Fund | 1.41M | 1.13% |
| iShares Russell 2000 Growth ETF | 1.22M | 0.98% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $5.64M (11 trades) of DFTX on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Karlin Daniel | Sale | 10.85K | $396.89K |
| Barrow Robert | Sale | 31.55K | $1.15M |
| Wiley Matthew T. | Sale | 3.10K | $113.26K |
| Roberts Brandi | Sale | 3.38K | $123.50K |
| Sullivan Mark | Sale | 14.05K | $513.85K |
| Krebs Andreas | Option exercise | 1.63K | — |
| Krebs Andreas | Option exercise | 1.63K | $57.86K |
| Vallone Carol A | Option exercise | 1.09K | — |
| Vallone Carol A | Option exercise | 1.09K | $38.57K |
| Karlin Daniel | Award | 200.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 11.34M
- Days to cover
- 4.89
- % of shares outstanding
- 9.10%
- Average daily volume
- 2.32M
- Change since last report
- −3.7%
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