BDTX · NASDAQ · Biotechnology

Black Diamond Therapeutics

Develops brain-penetrant therapies for EGFR-mutant lung cancer and glioblastoma.

$2.23
After-hours close0.00 (0.00%)
At close$2.23(−1.76%)

Breakdown13F · Form 4

Institutions 67.21%38.51M sharesInsiders 0.26%147.6K sharesOther 32.53%18.64M shares

Shares outstanding 57.30M · Float 46.02M · 80.3% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
T. Rowe Price Investment Management, Inc.10.56M18.43%13FMay 15, 2026
Ryan Wilder5.03M8.90%13GNov 14, 2024
Nea Management Company, LLC4.45M7.76%13FMay 15, 2026
BlackRock, Inc.3.84M6.70%13GJul 27, 2026
Biotech Growth N V · 10 percent owner2.73M4.77%Form 4Mar 20, 2025

Institutions13F, as of Mar 31, 2026

108 holders · 38.51M shares · 23 new positions · 54 increased · 33 reduced · 24 closed

HolderShares% outstandingChg q/qFiled
T. Rowe Price Investment Management, Inc.10.56M18.43%−43.5KMay 15, 2026
Nea Management Company, LLC4.45M7.76%0May 15, 2026
Acadian Asset Management LLC2.35M4.10%+718.5KMay 13, 2026
Vanguard Capital Management LLC1.85M3.23%+1.85MnewMay 15, 2026
Renaissance Technologies LLC1.64M2.87%+694.0KMay 14, 2026
Dimensional Fund Advisors LP1.30M2.27%+444.6KMay 7, 2026
BlackRock, Inc.1.11M1.93%+218.6KMay 13, 2026
Connor, Clark & Lunn Investment Management Ltd.1.06M1.85%+403.7KMay 11, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Ryan Wilderincl. Vestal Point Capital, LP8.90%5.03M13GNov 14, 2024
BlackRock, Inc.6.70%3.84M13GJul 27, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Biotech Growth N V10 percent owner2.73M4.77%Mar 20, 2025
Ali Behbahanidirector102.5K0.18%Jun 22, 2026
Prakash Ramandirector45.0K0.08%Jun 22, 2026

4 ten-percent owners hold 7.41M shares by Form 4, outside the officers-and-directors figure above · 17 people have not refiled in the last 18 months (9.17M shares), so they are not in the figure above

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.