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Picton Mahoney Asset Management’s Boston Scientific BSX Stock Holding History

Picton Mahoney Asset 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
Q1 		$144K Sell
2,300
-597,700
-100% -$47.8M ﹤0.01% 862
2025
Q4 		$57.2M Buy
+600,000
New +$58.8M 0.44% 41

Other funds holding BSX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Picton Mahoney Asset Management's BSX Position: Q1 2026 in Review

Picton Mahoney Asset Management reduced its Boston Scientific (BSX) stake by 92% in Q1 2026, selling an estimated $27.3M and leaving 28,915 shares worth $1.81M. The position accounts for 0.01% of the portfolio, ranked #516.

Picton Mahoney Asset Management first reported a position in BSX in Q2 2013 and has held it in 23 quarters since. The position peaked at $35.7M in Q2 2025. 1,672 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Picton Mahoney Asset Management held 28,915 shares of Boston Scientific worth $1.81M as of Q1 2026.
  • Picton Mahoney Asset Management sold 340,990 Boston Scientific shares in Q1 2026, an estimated $27.3M.
  • Boston Scientific made up 0.01% of Picton Mahoney Asset Management's portfolio in Q1 2026, its #516 holding.
  • Picton Mahoney Asset Management first reported a position in Boston Scientific in Q2 2013 and has held it in 23 quarters since.
  • Picton Mahoney Asset Management's Boston Scientific position peaked at $35.7M in Q2 2025.
  • 1,672 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.