BBNX in the 13F filings
Beta Bionics Inc · CUSIP 08659B102
- Quarter end
- 30 Sep 2025
- the date the book describes
- Filed
- 17 Feb 2026
- latest of these filings; the earliest 12 Nov 2025
- Managers listing it
- 3
- at least, of 95 tracked, among listed positions
- Comparable managers
- 95
- filed both Q2 2025 and Q3 2025; 1 listed it in both
- Shares listed
- 5,138,309
- combined, among listed positions
- Reported value
- $102m
- combined, at the quarter end
Among the 95 comparable managers: 3 buyers (opened or added shares) and 1 seller (trimmed or exited), at least, among listed positions. Their net change in shares is not known from listed positions, because at least one of them lists it in only one of the two quarters.
Managers listing BBNX in Q3 2025
3 of 3 holders
| Action | Filing | |||||
|---|---|---|---|---|---|---|
| Farallon Capital Management LLC | 4,313,920 | $86m | 0.35% | Added | +110,000 | 17 Feb 2026 (the filing on sec.gov) |
| Walleye Capital LLC | 591,187 | $12m | under 0.1% | Added | n.a. | 14 Nov 2025 (the filing on sec.gov) |
| First Eagle Investment Management LLC | 233,202 | $4.6m | under 0.1% | New | new | 12 Nov 2025 (the filing on sec.gov) |
Largest increases and reductions, by shares
Increases
- First Eagle Investment Management LLCnew position · 233,202 shares now+233,202
- Farallon Capital Management LLCexisting position · 4,313,920 shares now+110,000
Reductions
No reduction among listed positions.
New positions and exits
New (1)
Exited (1)
- Soros Fund Management LLCwas $364k
Ownership over time
Tracked managers listing it, at least.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q1 2025 | 4 | $55m | 4 | 0 |
| Q2 2025 | 3 | $73m | 1 | 3 |
| Q3 2025 | 3 | $102m | 3 | 1 |
| Q4 2025 | 6 | $168m | 24 | 6 |
| Q1 2026 | 2 | $39m | 5 | 21 |
| Q2 2026 | 1 | $9.3m | 11 | 12 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
BBNX and LLY →BBNX and JNJ →BBNX and VRTX →Choose a stock to compare with BBNX →
How much of the picture this is
A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.
Which funds own BBNX, latest filings →Back to the 13F Explorer →