Ticker · CUSIP 08205P209
Holders (tracked)
2
Combined shares
630,740
Combined value
$8.50M
Last close
$14.08
Quarter
2025Q4
Price · 1Y$14.08+0.33 (+2.40%)H $16.56 · L $10.06 · Avg Vol 137K
Position opened
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 5.
Price is +4.5% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
2 events
- +17,580 shares · 2025Q4Position
- +613,160 shares · 2025Q4Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BNTC…
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 |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2023Q3 | $5.00 | +181.4% | $248K |
| Izzy Englander (Millennium Mgmt) | 2025Q1 | $13.45 | +4.7% | $8.6M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Izzy Englander (Millennium Mgmt)+613,160$8.3M
- Ken Griffin (Citadel Advisors)+17,580$237K
Added to0
—
Trimmed0
—
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2023Q3 | 1 | $210K |
| 2024Q2 | 1 | $196K |
| 2024Q3 | 1 | $131K |
| 2025Q1 | 1 | $417K |
| 2025Q4 | 2 | $8.5M |
Who owns BNTC
2 super-investors · 2025Q4
Tracked stake
630.7K
shares
Combined value
$8M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 613.2K | $8M |
| 2 | Ken Griffin Citadel Advisors | 17.6K | $237K |
Recent moves
5 transactions
- +17,580 · 2025Q4
- +613,160 · 2025Q4
- −32,046 · 2025Q2
- +32,046 · 2025Q1
- NEWBlackRock+28,004 · 2024Q2
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