Jim Simons
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Jim Simons’s Beta Bionics BBNX Stock Holding History

Jim Simons’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 		$177K Buy
+11,300
New +$134K ﹤0.01% 2906
2025
Q4 		– Sell
-22,500
Closed -$447K – 3901
2025
Q3 		$447K Buy
22,500
+6,000
+36% +$105K ﹤0.01% 2847
2025
Q2 		$240K Buy
+16,500
New +$234K ﹤0.01% 3112

Other funds holding BBNX

Eventide Asset Management
Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return
Soleus Capital Management
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
Sands Capital Ventures
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
Vestal Point Capital
Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return
RTW Investments
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Deerfield Management
Deerfield Management New York $9.6B AUM 113.36% 1-Year Est. Return

Jim Simons's BBNX Position: Q2 2026 in Review

Jim Simons opened a new position in Beta Bionics (BBNX) in Q2 2026: 11,300 shares worth $177K. The stake represents ﹤0.01% of the portfolio and ranks #2906 among its holdings. This is a return to the name: Jim Simons previously reported a position in BBNX as recently as Q3 2025.

Jim Simons first reported a position in BBNX in Q2 2025 and has held it in 3 quarters since. The position peaked at $447K in Q3 2025. 133 funds tracked by Wall St. Rank hold BBNX as of Q2 2026.

  • Jim Simons held 11,300 shares of Beta Bionics worth $177K as of Q2 2026.
  • Beta Bionics was a new Jim Simons position in Q2 2026.
  • Beta Bionics made up ﹤0.01% of Jim Simons's portfolio in Q2 2026, its #2906 holding.
  • Jim Simons first reported a position in Beta Bionics in Q2 2025 and has held it in 3 quarters since.
  • Jim Simons's Beta Bionics position peaked at $447K in Q3 2025.
  • 133 funds tracked by Wall St. Rank held Beta Bionics as of Q2 2026.

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