Bank of Montreal
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Bank of Montreal’s Boston Scientific BSX Stock Holding History

Bank of Montreal’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
2022
Q4 		– Sell
-74,600
Closed -$2.94K – 3990
2022
Q3 		$2.94K Buy
+74,600
New +$2.99M ﹤0.01% 1625
2022
Q2 		– Sell
-100
Closed -$4K – 4108
2022
Q1 		$4K Buy
+100
New +$4.33K ﹤0.01% 4075
2019
Q4 		– Sell
-52,500
Closed -$2.14M – 4857
2019
Q3 		$2.14M Buy
+52,500
New +$2.22M ﹤0.01% 1647

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

Bank of Montreal's BSX Position: Q1 2026 in Review

Bank of Montreal reduced its Boston Scientific (BSX) stake by 35% in Q1 2026, selling an estimated $57.3M and leaving 1,324,527 shares worth $83.1M. The position accounts for 0.03% of the portfolio, ranked #400.

Bank of Montreal first reported a position in BSX in Q2 2013 and has held it in 52 quarters since. The position peaked at $409M in Q3 2024. 1,671 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Bank of Montreal held 1,324,527 shares of Boston Scientific worth $83.1M as of Q1 2026.
  • Bank of Montreal sold 715,839 Boston Scientific shares in Q1 2026, an estimated $57.3M.
  • Boston Scientific made up 0.03% of Bank of Montreal's portfolio in Q1 2026, its #400 holding.
  • Bank of Montreal first reported a position in Boston Scientific in Q2 2013 and has held it in 52 quarters since.
  • Bank of Montreal's Boston Scientific position peaked at $409M in Q3 2024.
  • 1,671 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Bank of Montreal's 13F filing for Q1 2026, filed 13 May 2026.