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Mirova US’s Boston Scientific BSX Stock Holding History

Mirova US’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 		$132M Buy
3,101,478
+898,077
+41% +$48.8M 1.42% 29
2026
Q1 		$138M Buy
2,203,401
+833,372
+61% +$66.7M 1.57% 26
2025
Q4 		$131M Buy
+1,370,029
New +$134M 1.31% 27

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

Mirova US's BSX Position: Q2 2026 in Review

Mirova US increased its Boston Scientific (BSX) stake by 41% in Q2 2026, buying an estimated $48.8M and bringing the position to 3,101,478 shares worth $132M. The position accounts for 1.42% of the portfolio, ranked #29.

Mirova US first reported a position in BSX in Q4 2025 and has held it in 3 quarters since. The position peaked at $138M in Q1 2026. 1,474 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Mirova US held 3,101,478 shares of Boston Scientific worth $132M as of Q2 2026.
  • Mirova US bought 898,077 Boston Scientific shares in Q2 2026, an estimated $48.8M.
  • Boston Scientific made up 1.42% of Mirova US's portfolio in Q2 2026, its #29 holding.
  • Mirova US first reported a position in Boston Scientific in Q4 2025 and has held it in 3 quarters since.
  • Mirova US's Boston Scientific position peaked at $138M in Q1 2026.
  • 1,474 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Mirova US's 13F filing for Q2 2026, filed 14 Aug 2026.