BLACK DIAMOND THERAPEUTICS I (BDTX): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in BDTX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
7
13F filers
Aggregate Value
$7.2M
Across holders
Last Price
$2.15
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity3 increased3 reduced7 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 1.96M | $3.6M | 50.8% | 0.0% | Added | +$589K | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 897K | $1.7M | 23.2% | 0.0% | Added | $-1.4M | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 542K | $1.0M | 14.0% | 0.0% | Added | +$58K | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 266K | $491K | 6.9% | 0.0% | Reduced | $-1.1M | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 157K | $291K | 4.1% | 0.0% | Reduced | $-144K | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 42K | $78K | 1.1% | 0.0% | Reduced | $-2K | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 200 | $370 | 0.0% | 0.0% | Unchanged | +$0 | Q2 2026 |
Added
Hedge Fund
$3.6M· 50.8% of total· 0.0% port· 1.96M sh· +$589K QoQ· Q2 2026
Added
Hedge Fund
$1.7M· 23.2% of total· 0.0% port· 897K sh· $-1.4M QoQ· Q2 2026
Added
Hedge Fund
$1.0M· 14.0% of total· 0.0% port· 542K sh· +$58K QoQ· Q2 2026
Reduced
Hedge Fund
$491K· 6.9% of total· 0.0% port· 266K sh· $-1.1M QoQ· Q2 2026
Reduced
Hedge Fund
$291K· 4.1% of total· 0.0% port· 157K sh· $-144K QoQ· Q2 2026
Reduced
Hedge Fund
$78K· 1.1% of total· 0.0% port· 42K sh· $-2K QoQ· Q2 2026
Unchanged
Hedge Fund
$370· 0.0% of total· 0.0% port· 200 sh· +$0 QoQ· Q2 2026
Loading recent insider activity…