BlackRock’s Boston Scientific BSX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$8.27B Sell
131,822,037
-4,165,208
-3% -$333M 0.14% 118
2025
Q4
$13B Sell
135,987,245
-9,188,624
-6% -$901M 0.22% 78
2025
Q3
$14.2B Sell
145,175,869
-1,511,871
-1% -$157M 0.25% 65
2025
Q2
$15.8B Buy
146,687,740
+5,016,674
+4% +$508M 0.3% 52
2025
Q1
$14.3B Buy
141,671,066
+2,644,628
+2% +$266M 0.3% 53
2024
Q4
$12.4B Buy
139,026,438
+10,325,678
+8% +$909M 0.25% 61
2024
Q3
$10.8B Buy
128,700,760
+2,282,396
+2% +$180M 0.23% 69
2024
Q2
$9.74B Sell
126,418,364
-417,418
-0.3% -$30.6M 0.22% 73
2024
Q1
$8.69B Buy
126,835,782
+275,950
+0.2% +$17.7M 0.2% 84
2023
Q4
$7.32B Sell
126,559,832
-2,747,297
-2% -$147M 0.19% 97
2023
Q3
$6.83B Sell
129,307,129
-8,186,920
-6% -$429M 0.2% 91
2023
Q2
$7.44B Buy
137,494,049
+124,183
+0.1% +$6.49M 0.21% 86
2023
Q1
$6.87B Buy
137,369,866
+1,910,606
+1% +$90M 0.2% 91
2022
Q4
$6.27B Buy
135,459,260
+8,097,267
+6% +$351M 0.2% 92
2022
Q3
$4.93B Buy
127,361,993
+1,103,959
+0.9% +$44.3M 0.17% 104
2022
Q2
$4.71B Sell
126,258,034
-175,254
-0.1% -$7.13M 0.15% 116
2022
Q1
$5.6B Buy
126,433,288
+1,041,775
+0.8% +$45.1M 0.15% 112
2021
Q4
$5.33B Buy
125,391,513
+2,991,252
+2% +$126M 0.14% 127
2021
Q3
$5.31B Buy
122,400,261
+4,557,618
+4% +$202M 0.15% 113
2021
Q2
$5.04B Sell
117,842,643
-12,894,246
-10% -$542M 0.14% 123
2021
Q1
$5.05B Sell
130,736,889
-2,774,149
-2% -$105M 0.15% 117
2020
Q4
$4.8B Buy
133,511,038
+4,657,048
+4% +$168M 0.15% 114
2020
Q3
$4.92B Buy
128,853,990
+4,704,621
+4% +$181M 0.18% 96
2020
Q2
$4.36B Buy
124,149,369
+17,447,629
+16% +$628M 0.17% 102
2020
Q1
$3.48B Buy
106,701,740
+5,097,909
+5% +$199M 0.17% 111
2019
Q4
$4.59B Sell
101,603,831
-10,606,590
-9% -$444M 0.18% 106
2019
Q3
$4.57B Buy
112,210,421
+1,584,288
+1% +$67.1M 0.19% 97
2019
Q2
$4.75B Sell
110,626,133
-4,810,190
-4% -$185M 0.2% 88
2019
Q1
$4.43B Sell
115,436,323
-1,072,673
-0.9% -$41M 0.2% 92
2018
Q4
$4.12B Buy
116,508,996
+4,195,164
+4% +$152M 0.21% 87
2018
Q3
$4.32B Buy
112,313,832
+2,958,437
+3% +$103M 0.19% 95
2018
Q2
$3.58B Buy
109,355,395
+3,062,924
+3% +$92.4M 0.16% 111
2018
Q1
$2.9B Buy
106,292,471
+8,510,783
+9% +$231M 0.14% 142
2017
Q4
$2.42B Sell
97,781,688
-2,879,978
-3% -$79.4M 0.12% 172
2017
Q3
$2.94B Buy
100,661,666
+477,155
+0.5% +$13.2M 0.15% 133
2017
Q2
$2.78B Buy
100,184,511
+4,439,966
+5% +$118M 0.15% 134
2017
Q1
$2.38B Buy
95,744,545
+91,548,235
+2,182% +$2.23B 0.13% 156
2016
Q4
$90.8M Sell
4,196,310
-63,436
-1% -$1.38M 0.13% 180
2016
Q3
$101M Buy
4,259,746
+82,945
+2% +$1.98M 0.15% 157
2016
Q2
$97.6M Buy
4,176,801
+509,055
+14% +$11M 0.15% 153
2016
Q1
$69M Sell
3,667,746
-665,184
-15% -$11.7M 0.11% 207
2015
Q4
$79.9M Sell
4,332,930
-439,524
-9% -$7.88M 0.12% 199
2015
Q3
$78.3M Buy
4,772,454
+749,898
+19% +$12.8M 0.12% 200
2015
Q2
$71.2M Sell
4,022,556
-322,834
-7% -$5.77M 0.11% 224
2015
Q1
$77.1M Buy
4,345,390
+721,217
+20% +$11.4M 0.11% 219
2014
Q4
$48M Buy
3,624,173
+324,510
+10% +$4.15M 0.07% 311
2014
Q3
$39M Sell
3,299,663
-131,170
-4% -$1.65M 0.06% 332
2014
Q2
$43.8M Sell
3,430,833
-420,662
-11% -$5.47M 0.07% 311
2014
Q1
$52.1M Sell
3,851,495
-495,412
-11% -$6.5M 0.08% 250
2013
Q4
$52.2M Buy
4,346,907
+1,574,994
+57% +$18.6M 0.09% 246
2013
Q3
$32.5M Buy
2,771,913
+79,786
+3% +$863K 0.06% 329
2013
Q2
$25M Buy
+2,692,127
New +$22.8M 0.05% 373

Other funds holding BSX

BlackRock's BSX Position: Q1 2026 in Review

BlackRock reduced its Boston Scientific (BSX) stake by 3.1% in Q1 2026, selling an estimated $333M and leaving 131,822,037 shares worth $8.27B. The position accounts for 0.14% of the portfolio, ranked #118.

BlackRock first reported a position in BSX in Q2 2013 and has held it in 52 quarters since. The position peaked at $15.8B in Q2 2025. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • BlackRock held 131,822,037 shares of Boston Scientific worth $8.27B as of Q1 2026.
  • BlackRock sold 4,165,208 Boston Scientific shares in Q1 2026, an estimated $333M.
  • Boston Scientific made up 0.14% of BlackRock's portfolio in Q1 2026, its #118 holding.
  • BlackRock first reported a position in Boston Scientific in Q2 2013 and has held it in 52 quarters since.
  • BlackRock's Boston Scientific position peaked at $15.8B in Q2 2025.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

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