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ADAR1 Capital Management’s Boston Scientific BSX Stock Holding History

ADAR1 Capital Management’s Portfolio BSX Stock Details BSX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$320K Sell
7,500
-2,500
-25% -$136K 0.01% 233
2026
Q1 		$628K Buy
10,000
+5,000
+100% +$400K 0.04% 191
2025
Q4 		$477K Buy
+5,000
New +$490K 0.04% 187
2024
Q4 		– Sell
-2,500
Closed -$210K – 234
2024
Q3 		$210K Buy
+2,500
New +$197K 0.03% 160

Other funds holding BSX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

ADAR1 Capital Management's BSX Position: Q2 2026 in Review

ADAR1 Capital Management reduced its Boston Scientific (BSX) stake by 25% in Q2 2026, selling an estimated $136K and leaving 7,500 shares worth $320K. The position accounts for 0.01% of the portfolio, ranked #233.

ADAR1 Capital Management first reported a position in BSX in Q3 2024 and has held it in 4 quarters since. The position peaked at $628K in Q1 2026. 1,487 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • ADAR1 Capital Management held 7,500 shares of Boston Scientific worth $320K as of Q2 2026.
  • ADAR1 Capital Management sold 2,500 Boston Scientific shares in Q2 2026, an estimated $136K.
  • Boston Scientific made up 0.01% of ADAR1 Capital Management's portfolio in Q2 2026, its #233 holding.
  • ADAR1 Capital Management first reported a position in Boston Scientific in Q3 2024 and has held it in 4 quarters since.
  • ADAR1 Capital Management's Boston Scientific position peaked at $628K in Q1 2026.
  • 1,487 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on ADAR1 Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.