Ticker · CUSIP 09258G104
Holders (tracked)
1
Combined shares
37,000
Combined value
$1.50M
Last close
$41.34
Quarter
2025Q4
Price · 1Y$41.34+13.00 (+45.88%)H $41.34 · L $27.29 · Avg Vol 96K
Position opened
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +2.0% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
1 events
- Two Sigma Investments opened position2026-02-17+37,000 shares · 2025Q4Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of BST…
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 |
|---|---|---|---|---|
| Two Sigma Investments | 2025Q4 | $40.54 | +2.0% | $1.5M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2015Q4 | 1 | $131K |
| 2016Q4 | 1 | $238K |
| 2017Q2 | 1 | $590K |
| 2017Q3 | 2 | $514K |
| 2017Q4 | 1 | $270K |
| 2019Q1 | 1 | $296K |
| 2019Q2 | 1 | $1.0M |
| 2021Q1 | 1 | $10K |
| 2021Q4 | 1 | $335K |
| 2022Q2 | 1 | $206K |
| 2022Q4 | 2 | $291K |
| 2023Q1 | 1 | $134 |
| 2025Q4 | 1 | $1.5M |
Who owns BST
1 super-investors · 2025Q4
Tracked stake
37.0K
shares
Combined value
$1M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 37.0K | $1M |
Recent moves
20 transactions
- +37,000 · 2025Q4
- SOLDBlackRock−4 · 2023Q2
- NEWBlackRock+4 · 2022Q4
- −6,700 · 2022Q1
- +6,700 · 2021Q4
- SOLDBlackRock−185 · 2021Q2
- NEWBlackRock+185 · 2021Q1
- −31,807 · 2019Q3
- +22,795 · 2019Q2
- +9,012 · 2019Q1
- −10,131 · 2018Q1
- −1,228 · 2017Q4
- −9,654 · 2017Q4
- −15,207 · 2017Q3
- +9,654 · 2017Q3
- +26,566 · 2017Q2
- −13,270 · 2017Q1
- +13,270 · 2016Q4
- SOLDBlackRock−7,592 · 2016Q1
- NEWBlackRock+7,592 · 2015Q4
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