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Steve Schonfeld’s Boston Scientific BSX Stock Holding History

Steve Schonfeld’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
2025
Q2 		– Sell
-62,500
Closed -$6.3M – 2065
2025
Q1 		$6.3M Buy
+62,500
New +$6.29M 0.04% 459

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 $3.37T AUM 44.26% 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

Steve Schonfeld's BSX Position: Q2 2026 in Review

Steve Schonfeld increased its Boston Scientific (BSX) stake by 20% in Q2 2026, buying an estimated $12M and bringing the position to 1,326,951 shares worth $56.6M. The position accounts for 0.2% of the portfolio, ranked #79.

Steve Schonfeld first reported a position in BSX in Q3 2016 and has held it in 40 quarters since. The position peaked at $91.8M in Q3 2025. 1,468 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Steve Schonfeld held 1,326,951 shares of Boston Scientific worth $56.6M as of Q2 2026.
  • Steve Schonfeld bought 221,436 Boston Scientific shares in Q2 2026, an estimated $12M.
  • Boston Scientific made up 0.2% of Steve Schonfeld's portfolio in Q2 2026, its #79 holding.
  • Steve Schonfeld first reported a position in Boston Scientific in Q3 2016 and has held it in 40 quarters since.
  • Steve Schonfeld's Boston Scientific position peaked at $91.8M in Q3 2025.
  • 1,468 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.