Ticker · CUSIP 204448104
Holders (tracked)
5
Combined shares
1,840,657
Combined value
$51.23M
Last close
$35.74
Quarter
2025Q4
Price · 1Y$35.74+21.44 (+149.93%)H $43.67 · L $13.92 · Avg Vol 1.4M
Position opened
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is +28.4% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
4 events
- +684,368 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+853,670 shares · 2025Q4Position
- AQR Capital Management opened position2026-02-17+8,159 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−181,759 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BVN…
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 |
|---|---|---|---|---|
| AQR Capital Management | 2016Q1 | $14.76 | +142.2% | $292K |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $26.04 | +37.2% | $35.0M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $27.69 | +29.1% | $5.1M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $27.69 | +29.1% | $5.1M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $27.69 | +29.1% | $5.1M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Ken Griffin (Citadel Advisors)+684,368$19.0M
- AQR Capital Management+8,159$227K
Added to1
- Izzy Englander (Millennium Mgmt)+853,670$23.8M
Trimmed0
—
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 7 | $335.2M |
| 2022Q2 | 5 | $195.5M |
| 2022Q3 | 2 | $105.8M |
| 2022Q4 | 5 | $124.2M |
| 2023Q1 | 7 | $133.4M |
| 2023Q2 | 6 | $119.6M |
| 2023Q3 | 7 | $125.6M |
| 2023Q4 | 7 | $231.0M |
| 2024Q1 | 4 | $221.8M |
| 2024Q2 | 4 | $189.7M |
| 2024Q3 | 5 | $33.5M |
| 2024Q4 | 5 | $12.7M |
| 2025Q1 | 3 | $7.2M |
| 2025Q2 | 3 | $6.0M |
| 2025Q3 | 3 | $9.1M |
| 2025Q4 | 5 | $51.2M |
Who owns BVN
5 super-investors · 2025Q4
Tracked stake
1.84M
shares
Combined value
$51M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 980.5K | $27M |
| 2 | Ken Griffin Citadel Advisors | 684.4K | $19M |
| 3 | Ken Griffin Citadel Advisors | 143.6K | $4M |
| 4 | Ken Griffin Citadel Advisors | 24.0K | $668K |
| 5 | AQR Capital Management | 8.2K | $227K |
Recent moves
20 transactions
- +853,670 · 2025Q4
- +8,159 · 2025Q4
- +684,368 · 2025Q4
- −181,759 · 2025Q3
- −115,808 · 2025Q2
- −78,100 · 2025Q1
- −479,056 · 2025Q1
- +2,500 · 2024Q4
- −1,231,089 · 2024Q4
- +75,600 · 2024Q3
- +1,919,776 · 2024Q3
- +109,709 · 2024Q2
- TRIMBlackRock−2,895,985 · 2024Q2
- +67,296 · 2024Q1
- −5,600 · 2024Q1
- TRIMBlackRock−708,446 · 2024Q1
- +2,756 · 2023Q4
- +5,600 · 2023Q4
- ADDBlackRock+387,635 · 2023Q4
- −325,220 · 2023Q3
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