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
VCM
VPM
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.