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TOBAM’s Boston Scientific BSX Stock Holding History

TOBAM’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 		$1.03M Buy
16,495
+5,119
+45% +$410K 0.27% 88
2025
Q4 		$1.08M Buy
11,376
+10,675
+1,523% +$1.05M 0.27% 91
2025
Q3 		$68K Sell
701
-633
-47% -$65.6K 0.02% 148
2025
Q2 		$143K Buy
1,334
+143
+12% +$14.5K 0.06% 125
2025
Q1 		$120K Sell
1,191
-2,974
-71% -$299K 0.05% 139
2024
Q4 		$372K Sell
4,165
-1,256
-23% -$111K 0.11% 124
2024
Q3 		$454K Buy
5,421
+508
+10% +$40K 0.08% 124
2024
Q2 		$378K Sell
4,913
-3,721
-43% -$272K 0.06% 127
2024
Q1 		$591K Sell
8,634
-631
-7% -$40.6K 0.05% 128
2023
Q4 		$536K Buy
9,265
+1,585
+21% +$84.6K 0.05% 126
2023
Q3 		$406K Hold
7,680
– – 0.03% 148
2023
Q2 		$415K Sell
7,680
-803
-9% -$41.9K 0.03% 158
2023
Q1 		$424K Buy
8,483
+677
+9% +$31.9K 0.03% 152
2022
Q4 		$361K Hold
7,806
– – 0.02% 163
2022
Q3 		$302K Hold
7,806
– – 0.02% 178
2022
Q2 		$291K Buy
7,806
+819
+12% +$33.3K 0.02% 208
2022
Q1 		$309K Buy
6,987
+2,228
+47% +$96.6K 0.02% 201
2021
Q4 		$202K Hold
4,759
– – 0.01% 197
2021
Q3 		$206K Hold
4,759
– – 0.01% 194
2021
Q2 		$203K Buy
4,759
+2,038
+75% +$85.7K 0.01% 199
2021
Q1 		$105K Buy
2,721
+2,045
+303% +$77.4K ﹤0.01% 244
2020
Q4 		$24K Buy
+676
New +$24.4K ﹤0.01% 419

Other funds holding BSX

BlackRock
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

TOBAM's BSX Position: Q1 2026 in Review

TOBAM increased its Boston Scientific (BSX) stake by 45% in Q1 2026, buying an estimated $410K and bringing the position to 16,495 shares worth $1.03M. The position accounts for 0.27% of the portfolio, ranked #88.

TOBAM first reported a position in BSX in Q4 2020 and has held it in 22 quarters since. The position peaked at $1.08M in Q4 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • TOBAM held 16,495 shares of Boston Scientific worth $1.03M as of Q1 2026.
  • TOBAM bought 5,119 Boston Scientific shares in Q1 2026, an estimated $410K.
  • Boston Scientific made up 0.27% of TOBAM's portfolio in Q1 2026, its #88 holding.
  • TOBAM first reported a position in Boston Scientific in Q4 2020 and has held it in 22 quarters since.
  • TOBAM's Boston Scientific position peaked at $1.08M in Q4 2025.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on TOBAM's 13F filing for Q1 2026, filed 12 May 2026.