Bambusa Therapeutics, Inc.
BBTX- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0002044950
In the last 90 days, Bambusa Therapeutics, Inc. insiders filed 2 open-market purchases and 0 sales; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Key figures
- Market capNo recent share count in SEC filings
- –
- Insider buysLast 90 days, $52.6M in total
- 2
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026
- 0
- 13F valueReported value at the end of Q2 2026
- $0
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding BBTX, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding BBTX at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Bambusa Therapeutics, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 3, 2026 (view filing)6:09 PM ET | Oct 30-Nov 2 | 4 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +2.95M | $15.79 | +$46.6M | New position1.50M after | 4 lots |
| Nov 2, 2026 (view filing)4:07 PM ET | Nov 2 | Same day | Salvia Investment GmbH10% Owner | PPurchase | +375.0K | $16.00 | +$6.00M | +4.2%9.26M after | Duplicate filing |
| Nov 2, 2026 (view filing)4:06 PM ET | Nov 2 | Same day | Jeggle Helmut WolfgangDirector, 10% Owner | PPurchase | +375.0K | $16.00 | +$6.00M | +4.2%9.26M after |
Top 10 13F holders, Q2 2026
View all: Top 10 13F holders, Q2 2026The largest institutional positions in Bambusa Therapeutics, Inc. at the end of Q2 2026; share changes are against Q1 2026.
No institution reported holding BBTX in 13F filings for Q2 2026.
Holders of 5% or more of BBTX
See all 2 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Bambusa Therapeutics, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 13D | 14.60%7.43M shares | New | Nov 6, 20261 filing | Nov 6, 2026 | SEC |
| Athos KG | 13G | 9.20%4.70M shares | New | Nov 5, 20261 filing | Nov 5, 2026 | SEC |