Adage Capital Partners
BSX icon

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
Q2 		– Sell
-250,000
Closed -$15.7M – 1011
2026
Q1 		$15.7M Buy
+250,000
New +$20M 0.02% 564

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

Adage Capital Partners's BSX Position: Q2 2026 in Review

Adage Capital Partners reduced its Boston Scientific (BSX) stake by 64% in Q2 2026, selling an estimated $161M and leaving 1,670,022 shares worth $71.3M. The position accounts for 0.1% of the portfolio, ranked #194.

Adage Capital Partners first reported a position in BSX in Q2 2013 and has held it in 53 quarters since. The position peaked at $291M in Q1 2026. 1,477 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Adage Capital Partners held 1,670,022 shares of Boston Scientific worth $71.3M as of Q2 2026.
  • Adage Capital Partners sold 2,963,215 Boston Scientific shares in Q2 2026, an estimated $161M.
  • Boston Scientific made up 0.1% of Adage Capital Partners's portfolio in Q2 2026, its #194 holding.
  • Adage Capital Partners first reported a position in Boston Scientific in Q2 2013 and has held it in 53 quarters since.
  • Adage Capital Partners's Boston Scientific position peaked at $291M in Q1 2026.
  • 1,477 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

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