Ticker · CUSIP 101044105
Holders (tracked)
6
Combined shares
420,298
Combined value
$5.04M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
SEC event timeline
11 events
- T. Rowe Price added2026-02-17+1,866 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+9,980 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+14,287 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+21,556 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+30,889 shares · 2025Q413F
- Renaissance Technologies exited2026-02-12−193,100 shares · 2025Q413F
- −33,854 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+43,588 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−18,860 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−18,098 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+42,900 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to5
- Ken Griffin (Citadel Advisors)+30,889$382K
- Izzy Englander (Millennium Mgmt)+21,556$267K
- Two Sigma Investments+14,287$177K
- D.E. Shaw & Co.+9,980$123K
- T. Rowe Price+1,866$23
Trimmed0
—
Exited1
- Renaissance Technologies−193,100$2.5M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 5 | $106.9M |
| 2022Q2 | 5 | $87.3M |
| 2022Q3 | 3 | $34K |
| 2022Q4 | 6 | $40.9M |
| 2023Q1 | 9 | $39.1M |
| 2023Q2 | 8 | $37.1M |
| 2023Q3 | 8 | $33.6M |
| 2023Q4 | 8 | $31.7M |
| 2024Q1 | 8 | $31.0M |
| 2024Q2 | 9 | $30.5M |
| 2024Q3 | 9 | $9.1M |
| 2024Q4 | 9 | $5.8M |
| 2025Q1 | 10 | $5.5M |
| 2025Q2 | 8 | $6.3M |
| 2025Q3 | 6 | $6.6M |
| 2025Q4 | 6 | $5.0M |
Who owns BOC
6 super-investors · 2025Q4
Tracked stake
420.3K
shares
Combined value
$5M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 207.7K | $3M |
| 2 | Two Sigma Investments | 110.5K | $1M |
| 3 | Izzy Englander Millennium Mgmt | 41.1K | $508K |
| 4 | D.E. Shaw & Co. | 29.5K | $365K |
| 5 | Ken Griffin Citadel Advisors | 18.4K | $228K |
| 6 | T. Rowe Price | 13.1K | $163 |
Recent moves
20 transactions
- +1,866 · 2025Q4
- +9,980 · 2025Q4
- +21,556 · 2025Q4
- +30,889 · 2025Q4
- +14,287 · 2025Q4
- −193,100 · 2025Q4
- −33,854 · 2025Q3
- TRIMD.E. Shaw & Co.−18,860 · 2025Q3
- −18,098 · 2025Q3
- +43,588 · 2025Q3
- +42,900 · 2025Q3
- +807 · 2025Q2
- +2,222 · 2025Q2
- −13,849 · 2025Q2
- TRIMD.E. Shaw & Co.−5,721 · 2025Q2
- −35,421 · 2025Q2
- +1,352 · 2025Q2
- +100,000 · 2025Q2
- −1,264 · 2025Q1
- +36,985 · 2025Q1
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