Janus Henderson Group’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
$1.04B Buy
16,497,366
+3,907,981
+31% +$313M 0.49% 36
2025
Q4
$1.2B Buy
12,589,385
+617,515
+5% +$60.5M 0.54% 34
2025
Q3
$1.17B Sell
11,971,870
-185,845
-2% -$19.2M 0.53% 32
2025
Q2
$1.31B Sell
12,157,715
-1,832,206
-13% -$185M 0.64% 24
2025
Q1
$1.39B Sell
13,989,921
-987,895
-7% -$99.5M 0.76% 15
2024
Q4
$1.34B Sell
14,977,816
-767,295
-5% -$67.5M 0.68% 18
2024
Q3
$1.32B Sell
15,745,111
-2,571,951
-14% -$203M 0.68% 20
2024
Q2
$1.41B Sell
18,317,062
-295,142
-2% -$21.6M 0.76% 19
2024
Q1
$1.27B Sell
18,612,204
-838,413
-4% -$53.9M 0.7% 20
2023
Q4
$1.12B Sell
19,450,617
-1,107,041
-5% -$59.1M 0.67% 26
2023
Q3
$1.09B Buy
20,557,658
+688,373
+3% +$36.1M 0.71% 24
2023
Q2
$1.07B Sell
19,869,285
-1,074,611
-5% -$56.1M 0.67% 26
2023
Q1
$1.05B Sell
20,943,896
-1,571,085
-7% -$74M 0.69% 23
2022
Q4
$1.04B Sell
22,514,981
-26,201,811
-54% -$1.13B 0.74% 24
2022
Q3
$1.89B Buy
48,716,792
+22,671,698
+87% +$909M 0.71% 23
2022
Q2
$971M Sell
26,045,094
-707,854
-3% -$28.8M 0.67% 22
2022
Q1
$1.18B Sell
26,752,948
-14,487,434
-35% -$628M 0.57% 26
2021
Q4
$1.75B Sell
41,240,382
-8,681,123
-17% -$365M 0.73% 17
2021
Q3
$2.17B Sell
49,921,505
-1,863,770
-4% -$82.5M 0.95% 10
2021
Q2
$2.21B Buy
51,785,275
+822,650
+2% +$34.6M 0.95% 11
2021
Q1
$1.97B Buy
50,962,625
+3,033,710
+6% +$115M 0.9% 12
2020
Q4
$1.72B Sell
47,928,915
-773,627
-2% -$27.9M 0.8% 17
2020
Q3
$1.86B Sell
48,702,542
-1,968,531
-4% -$75.9M 0.97% 11
2020
Q2
$1.78B Buy
50,671,073
+8,101,149
+19% +$292M 1% 11
2020
Q1
$1.39B Buy
42,569,924
+3,789,230
+10% +$148M 0.96% 11
2019
Q4
$1.75B Sell
38,780,694
-563,989
-1% -$23.6M 0.9% 11
2019
Q3
$1.6B Buy
39,344,683
+92,452
+0.2% +$3.92M 0.87% 12
2019
Q2
$1.69B Buy
39,252,231
+1,162,625
+3% +$44.7M 0.92% 12
2019
Q1
$1.46B Sell
38,089,606
-931,961
-2% -$35.6M 0.81% 11
2018
Q4
$1.38B Sell
39,021,567
-1,280,033
-3% -$46.4M 0.88% 11
2018
Q3
$1.55B Sell
40,301,600
-1,437,859
-3% -$50.2M 0.83% 9
2018
Q2
$1.36B Buy
41,739,459
+273,848
+0.7% +$8.26M 0.78% 11
2018
Q1
$1.13B Buy
41,465,611
+1,118,576
+3% +$30.4M 0.67% 16
2017
Q4
$1B Buy
40,347,035
+3,663,896
+10% +$101M 0.61% 22
2017
Q3
$1.07B Sell
36,683,139
-2,179,460
-6% -$60.2M 0.69% 17
2017
Q2
$1.08B Buy
38,862,599
+38,690,577
+22,492% +$1.03B 0.73% 16
2017
Q1
$4.28M Sell
172,022
-4,763
-3% -$116K 0.03% 377
2016
Q4
$3.83M Buy
176,785
+20,355
+13% +$444K 0.03% 391
2016
Q3
$3.72M Sell
156,430
-4,948
-3% -$118K 0.03% 379
2016
Q2
$3.77M Buy
161,378
+14,822
+10% +$321K 0.03% 364
2016
Q1
$2.76M Sell
146,556
-8,922
-6% -$157K 0.02% 432
2015
Q4
$2.87M Hold
155,478
0.02% 421
2015
Q3
$2.55M Hold
155,478
0.02% 434
2015
Q2
$2.75M Sell
155,478
-20,610
-12% -$368K 0.02% 448
2015
Q1
$3.13M Hold
176,088
0.02% 444
2014
Q4
$2.33M Hold
176,088
0.02% 487
2014
Q3
$2.08M Hold
176,088
0.02% 418
2014
Q2
$2.25M Hold
176,088
0.02% 402
2014
Q1
$2.38M Buy
176,088
+4,266
+2% +$56K 0.02% 395
2013
Q4
$2.07M Hold
171,822
0.02% 389
2013
Q3
$2.02M Hold
171,822
0.02% 394
2013
Q2
$1.61M Buy
+171,822
New +$1.46M 0.02% 419

Other funds holding BSX

Janus Henderson Group's BSX Position: Q1 2026 in Review

Janus Henderson Group increased its Boston Scientific (BSX) stake by 31% in Q1 2026, buying an estimated $313M and bringing the position to 16,497,366 shares worth $1.04B. The position accounts for 0.49% of the portfolio, ranked #36.

Janus Henderson Group first reported a position in BSX in Q2 2013 and has held it in 52 quarters since. The position peaked at $2.21B in Q2 2021. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Janus Henderson Group held 16,497,366 shares of Boston Scientific worth $1.04B as of Q1 2026.
  • Janus Henderson Group bought 3,907,981 Boston Scientific shares in Q1 2026, an estimated $313M.
  • Boston Scientific made up 0.49% of Janus Henderson Group's portfolio in Q1 2026, its #36 holding.
  • Janus Henderson Group first reported a position in Boston Scientific in Q2 2013 and has held it in 52 quarters since.
  • Janus Henderson Group's Boston Scientific position peaked at $2.21B in Q2 2021.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.