Adage Capital Partners
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Adage Capital Partners’s Boston Scientific BSX Stock Holding History

Adage Capital Partners’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 		$15.7M Buy
+250,000
New +$20M 0.02% 564

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BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 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

Adage Capital Partners's BSX Position: Q1 2026 in Review

Adage Capital Partners increased its Boston Scientific (BSX) stake by 122% in Q1 2026, buying an estimated $204M and bringing the position to 4,633,237 shares worth $291M. The position accounts for 0.45% of the portfolio, ranked #37.

Adage Capital Partners first reported a position in BSX in Q2 2013 and has held it in 52 quarters since. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Adage Capital Partners held 4,633,237 shares of Boston Scientific worth $291M as of Q1 2026.
  • Adage Capital Partners bought 2,550,877 Boston Scientific shares in Q1 2026, an estimated $204M.
  • Boston Scientific made up 0.45% of Adage Capital Partners's portfolio in Q1 2026, its #37 holding.
  • Adage Capital Partners first reported a position in Boston Scientific in Q2 2013 and has held it in 52 quarters since.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.