Ticker · CUSIP 09203E105
Holders (tracked)
7
Combined shares
2,587,563
Combined value
$6.29M
Last close
$3.06
Quarter
2025Q4
Price · 1Y$3.06+1.62 (+112.50%)H $4.87 · L $1.44 · Avg Vol 1.0M
Position opened
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
Price is +25.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
10 events
- +425,459 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+512,129 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−553,775 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+196,741 shares · 2025Q4Position
- AQR Capital Management exited2026-02-17−18,026 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+350,335 shares · 2025Q4Position
- D.E. Shaw & Co. added2025-11-14+125,743 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−195,211 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−94,522 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+432,300 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BDTX…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Izzy Englander (Millennium Mgmt) | 2020Q1 | $2.32 | +32.1% | $907K |
| Ken Griffin (Citadel Advisors) | 2021Q2 | $2.43 | +25.9% | $160K |
| Ken Griffin (Citadel Advisors) | 2021Q2 | $2.43 | +25.9% | $160K |
| Ken Griffin (Citadel Advisors) | 2021Q2 | $2.43 | +25.9% | $160K |
| D.E. Shaw & Co. | 2024Q4 | $2.68 | +14.1% | $2.0M |
| Renaissance Technologies | 2020Q2 | $3.09 | -1.0% | $2.9M |
| Steve Cohen (Point72) | 2020Q4 | $13.22 | -76.8% | $602K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Ken Griffin (Citadel Advisors)+425,459$1.0M
- Steve Cohen (Point72)+196,741$478K
Added to2
- D.E. Shaw & Co.+512,129$1.2M
- Renaissance Technologies+350,335$851K
Trimmed1
- Izzy Englander (Millennium Mgmt)−553,775$1.3M
Exited1
- AQR Capital Management−18,026$68K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $591.1M |
| 2022Q2 | 8 | $5.5M |
| 2022Q3 | 7 | $3.7M |
| 2022Q4 | 7 | $4.9M |
| 2023Q1 | 7 | $4.6M |
| 2023Q2 | 8 | $27.6M |
| 2023Q3 | 8 | $9.6M |
| 2023Q4 | 7 | $6.8M |
| 2024Q1 | 8 | $13.6M |
| 2024Q2 | 10 | $26.7M |
| 2024Q3 | 12 | $12.6M |
| 2024Q4 | 6 | $3.2M |
| 2025Q1 | 7 | $2.0M |
| 2025Q2 | 5 | $3.8M |
| 2025Q3 | 4 | $6.1M |
| 2025Q4 | 7 | $6.3M |
Who owns BDTX
7 super-investors · 2025Q4
Tracked stake
2.59M
shares
Combined value
$6M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added2Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 949.7K | $2M |
| 2 | D.E. Shaw & Co. | 655.8K | $2M |
| 3 | Ken Griffin Citadel Advisors | 425.5K | $1M |
| 4 | Izzy Englander Millennium Mgmt | 296.6K | $721K |
| 5 | Steve Cohen Point72 | 196.7K | $478K |
| 6 | Ken Griffin Citadel Advisors | 52.4K | $127K |
| 7 | Ken Griffin Citadel Advisors | 10.9K | $26K |
Recent moves
20 transactions
- +512,129 · 2025Q4
- −553,775 · 2025Q4
- −18,026 · 2025Q4
- +425,459 · 2025Q4
- +196,741 · 2025Q4
- +350,335 · 2025Q4
- −94,522 · 2025Q3
- +125,743 · 2025Q3
- −195,211 · 2025Q3
- +432,300 · 2025Q3
- +159,115 · 2025Q2
- −159,059 · 2025Q2
- SOLDT. Rowe Price−14,182 · 2025Q2
- +46 · 2025Q2
- +87,200 · 2025Q2
- +545,836 · 2025Q1
- +537 · 2025Q1
- +54,122 · 2025Q1
- −824,100 · 2025Q1
- −204,957 · 2024Q4
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