Mariner
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Mariner’s Beta Bionics BBNX Stock Holding History

Mariner’s Portfolio BBNX Stock Details BBNX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.45M Buy
+220,359
New +$2.62M ﹤0.01% 1207
2026
Q1 		– Sell
-20,671
Closed -$630K – 3891
2025
Q4 		$630K Sell
20,671
-717
-3% -$19.1K ﹤0.01% 2288
2025
Q3 		$425K Buy
+21,388
New +$376K ﹤0.01% 2558

Other funds holding BBNX

EAM
Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return
SCM
Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
SCV
Sands Capital Ventures Arlington, Virginia $614M AUM 19.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
VPC
Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return

Mariner's BBNX Position: Q2 2026 in Review

Mariner opened a new position in Beta Bionics (BBNX) in Q2 2026: 220,359 shares worth $3.45M. The stake represents ﹤0.01% of the portfolio and ranks #1207 among its holdings. This is a return to the name: Mariner previously reported a position in BBNX as recently as Q4 2025.

Mariner first reported a position in BBNX in Q3 2025 and has held it in 3 quarters since. 133 funds tracked by Wall St. Rank hold BBNX as of Q2 2026.

  • Mariner held 220,359 shares of Beta Bionics worth $3.45M as of Q2 2026.
  • Beta Bionics was a new Mariner position in Q2 2026.
  • Beta Bionics made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1207 holding.
  • Mariner first reported a position in Beta Bionics in Q3 2025 and has held it in 3 quarters since.
  • 133 funds tracked by Wall St. Rank held Beta Bionics as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.