BBNX in the 13F filings

Beta Bionics Inc · CUSIP 08659B102

Sector · Medical devices and instruments Theme · Healthcare: biopharma and medtech· L3VLUP-defined Theme · Surgical, medical and electromedical devices

Quarter

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025

Quarter end: 30 Jun 2026; the date the book describes
Filed: 2 Sep 2026; latest of these filings; the earliest 5 Aug 2026
Managers listing it: 16; at least, of 95 tracked, among listed positions
Comparable managers: 91; filed both Q1 2026 and Q2 2026; 1 listed it in both
Shares listed: 5,408,114; combined, among listed positions
Reported value: $84m; combined, at the quarter end

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 11 buyers (opened or added shares) and 12 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -3,183,691.

Managers listing BBNX in Q2 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q1 2026, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

ActionShare of book at least

16 of 16 holders

				Action		Filing
Point72 Asset Management LP	2,254,683	$35m	under 0.1%	Trimmed	-270,357	14 Aug 2026 (the filing on sec.gov)
Millennium Management LLC	956,244	$15m	under 0.1%	Added	+95,378	14 Aug 2026 (the filing on sec.gov)
Balyasny Asset Management LLC	855,682	$13m	under 0.1%	Added	+237,767	14 Aug 2026 (the filing on sec.gov)
Farallon Capital Management LLC	595,000	$9.3m	under 0.1%	Trimmed	-3,012,920	14 Aug 2026 (the filing on sec.gov)
AQR Capital Management LLC	308,468	$4.8m	under 0.1%	Added	+248,181	14 Aug 2026 (the filing on sec.gov)
Squarepoint Ops LLC	161,098	$2.5m	under 0.1%	New	new	14 Aug 2026 (the filing on sec.gov)
Tudor Investment Corp	63,809	$1.0m	under 0.1%	Trimmed	-154,285	14 Aug 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc	43,450	$681k	under 0.1%	Added	+7,978	14 Aug 2026 (the filing on sec.gov)
AllianceBernstein LP	56,600	$567k	under 0.1%	Added	+21,200	14 Aug 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP	33,654	$527k	under 0.1%	New	new	14 Aug 2026 (the filing on sec.gov)
Man Group PLC	26,770	$419k	under 0.1%	Trimmed	-12,497	14 Aug 2026 (the filing on sec.gov)
Invesco Ltd	21,021	$329k	under 0.1%	Added	+1,557	14 Aug 2026 (the filing on sec.gov)
Quantbot Technologies LP	16,819	$264k	under 0.1%	Trimmed	-24,476	12 Aug 2026 (the filing on sec.gov)
Renaissance Technologies LLC	11,300	$177k	under 0.1%	New	new	13 Aug 2026 (the filing on sec.gov)
Fidelity (FMR LLC)	3,512	$55k	under 0.1%	Added	+313	13 Aug 2026 (the filing on sec.gov)
Freestone Grove Partners LP	4	$0	0.00%	New	new	14 Aug 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

Q1 2026 to Q2 2026, among managers that listed it in both quarters or opened it.

Increases

AQR Capital Management LLCexisting position · 308,468 shares now+248,181
Balyasny Asset Management LLCexisting position · 855,682 shares now+237,767
Squarepoint Ops LLCnew position · 161,098 shares now+161,098
Millennium Management LLCexisting position · 956,244 shares now+95,378
Brevan Howard Capital Management LPnew position · 33,654 shares now+33,654

Reductions

Farallon Capital Management LLCexisting position · 595,000 shares now-3,012,920
Point72 Asset Management LPexisting position · 2,254,683 shares now-270,357
Tudor Investment Corpexisting position · 63,809 shares now-154,285
Quantbot Technologies LPexisting position · 16,819 shares now-24,476
Man Group PLCexisting position · 26,770 shares now-12,497

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (4)

Squarepoint Ops LLC$2.5m
Brevan Howard Capital Management LP$527k
Renaissance Technologies LLC$177k
Freestone Grove Partners LP$0

Exited (7)

First Eagle Investment Management LLCwas $2.4m
Marshall Wace LLPwas $696k
Two Sigma Investments LPwas $656k
Schonfeld Strategic Advisors LLCwas $597k
Citadel Advisors LLCwas $522k
Verition Fund Management LLCwas $255k
Susquehanna International Group LLPwas $135k

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.

4 in Q1 2025 to 1 in Q2 2026

Tracked managers listing it, at least.

the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.

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 →

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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