Skip to main content

BDTX

Black Diamond Therapeutics, Inc.

Company with tickers: BDTX

CIK
1701541
CUSIP
09203E105
Shares Outstanding
57,301,774
13F Activity (30d)
91 filings 89 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 104
Total Value: $82,373,748
Total Shares: 38,673,150
Showing 1–100 of 109 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 104 13F filers · Δ vs Dec 31, 2025
Top Holder
27.3%
Jun 2023 → Mar 2026 · range 19.4% – 27.8%
−0.5 pts
Top 5
53.9%
Jun 2023 → Mar 2026 · range 48.2% – 67.9%
+1.6 pts
Top 10
67.2%
Jun 2023 → Mar 2026 · range 65.2% – 83.7%
+2.0 pts
HHI
1,029
Jun 2023 → Mar 2026 · range 739 – 1,231
Broadly held −8

Quarterly Activity

vs Dec 31, 2025
New
23
Increased
30
Decreased
34
Sold Out
24
Unchanged
17
Holder count: -1
Institutional value: -11.2%
Shares held: +1.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 109
Export CSV
Holder Value (USD) % of 13F Shares Open