American Century Companies’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
$164M Sell
2,617,803
-1,984,391
-43% -$159M 0.08% 244
2025
Q4
$439M Buy
4,602,194
+603,088
+15% +$59.1M 0.22% 51
2025
Q3
$390M Sell
3,999,106
-84,219
-2% -$8.72M 0.2% 64
2025
Q2
$439M Buy
4,083,325
+195,947
+5% +$19.8M 0.24% 48
2025
Q1
$392M Sell
3,887,378
-601,445
-13% -$60.6M 0.24% 52
2024
Q4
$401M Buy
4,488,823
+925,268
+26% +$81.5M 0.23% 54
2024
Q3
$299M Buy
3,563,555
+842,512
+31% +$66.4M 0.17% 92
2024
Q2
$210M Sell
2,721,043
-554,264
-17% -$40.6M 0.13% 147
2024
Q1
$224M Sell
3,275,307
-156,343
-5% -$10.1M 0.14% 145
2023
Q4
$198M Buy
3,431,650
+159,840
+5% +$8.53M 0.14% 153
2023
Q3
$173M Buy
3,271,810
+2,606,253
+392% +$137M 0.13% 166
2023
Q2
$36M Sell
665,557
-64,224
-9% -$3.35M 0.03% 550
2023
Q1
$36.5M Buy
729,781
+11,387
+2% +$537K 0.03% 521
2022
Q4
$33.2M Buy
718,394
+14,380
+2% +$623K 0.03% 541
2022
Q3
$27.3M Buy
704,014
+38,701
+6% +$1.55M 0.02% 561
2022
Q2
$24.8M Sell
665,313
-56,206
-8% -$2.29M 0.02% 602
2022
Q1
$32M Buy
721,519
+77,018
+12% +$3.34M 0.02% 566
2021
Q4
$27.4M Buy
644,501
+6,313
+1% +$265K 0.02% 619
2021
Q3
$27.7M Sell
638,188
-154
-0% -$6.81K 0.02% 608
2021
Q2
$27.3M Buy
638,342
+14,043
+2% +$591K 0.02% 609
2021
Q1
$24.1M Sell
624,299
-98,573
-14% -$3.73M 0.02% 609
2020
Q4
$26M Sell
722,872
-9,193,625
-93% -$331M 0.02% 550
2020
Q3
$379M Sell
9,916,497
-2,880,598
-23% -$111M 0.34% 65
2020
Q2
$449M Buy
12,797,095
+3,086,713
+32% +$111M 0.43% 46
2020
Q1
$317M Buy
9,710,382
+600,766
+7% +$23.5M 0.38% 60
2019
Q4
$412M Buy
9,109,616
+591,070
+7% +$24.7M 0.39% 59
2019
Q3
$347M Buy
8,518,546
+610,443
+8% +$25.9M 0.35% 76
2019
Q2
$340M Buy
7,908,103
+3,505,662
+80% +$135M 0.34% 72
2019
Q1
$169M Buy
4,402,441
+265,691
+6% +$10.1M 0.17% 168
2018
Q4
$146M Buy
4,136,750
+34,818
+0.8% +$1.26M 0.17% 178
2018
Q3
$158M Buy
4,101,932
+192,041
+5% +$6.71M 0.15% 188
2018
Q2
$128M Buy
3,909,891
+901,586
+30% +$27.2M 0.13% 217
2018
Q1
$82.2M Sell
3,008,305
-3,975,397
-57% -$108M 0.08% 288
2017
Q4
$173M Sell
6,983,702
-3,512,787
-33% -$96.9M 0.17% 179
2017
Q3
$306M Buy
10,496,489
+2,352,297
+29% +$65M 0.31% 90
2017
Q2
$226M Sell
8,144,192
-616,192
-7% -$16.4M 0.23% 135
2017
Q1
$218M Sell
8,760,384
-2,203,366
-20% -$53.6M 0.23% 134
2016
Q4
$237M Buy
10,963,750
+2,359,924
+27% +$51.5M 0.26% 117
2016
Q3
$205M Sell
8,603,826
-462,706
-5% -$11M 0.23% 129
2016
Q2
$212M Sell
9,066,532
-4,390,662
-33% -$95M 0.24% 120
2016
Q1
$253M Buy
13,457,194
+123,974
+0.9% +$2.18M 0.3% 92
2015
Q4
$246M Buy
13,333,220
+117,537
+0.9% +$2.11M 0.29% 95
2015
Q3
$217M Buy
13,215,683
+2,365,567
+22% +$40.4M 0.26% 103
2015
Q2
$192M Buy
10,850,116
+5,717,949
+111% +$102M 0.22% 133
2015
Q1
$91.1M Sell
5,132,167
-242,716
-5% -$3.84M 0.1% 269
2014
Q4
$71.2M Sell
5,374,883
-1,005,161
-16% -$12.8M 0.08% 323
2014
Q3
$75.3M Buy
6,380,044
+101,686
+2% +$1.28M 0.09% 282
2014
Q2
$80.2M Buy
6,278,358
+470,838
+8% +$6.12M 0.09% 271
2014
Q1
$78.5M Sell
5,807,520
-1,088,298
-16% -$14.3M 0.09% 271
2013
Q4
$82.9M Buy
6,895,818
+260,639
+4% +$3.08M 0.1% 265
2013
Q3
$77.9M Sell
6,635,179
-1,810,633
-21% -$19.6M 0.1% 266
2013
Q2
$78.3M Buy
+8,445,812
New +$71.6M 0.1% 248

Other funds holding BSX

American Century Companies's BSX Position: Q1 2026 in Review

American Century Companies reduced its Boston Scientific (BSX) stake by 43% in Q1 2026, selling an estimated $159M and leaving 2,617,803 shares worth $164M. The position accounts for 0.08% of the portfolio, ranked #244.

American Century Companies first reported a position in BSX in Q2 2013 and has held it in 52 quarters since. The position peaked at $449M in Q2 2020. 1,664 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • American Century Companies held 2,617,803 shares of Boston Scientific worth $164M as of Q1 2026.
  • American Century Companies sold 1,984,391 Boston Scientific shares in Q1 2026, an estimated $159M.
  • Boston Scientific made up 0.08% of American Century Companies's portfolio in Q1 2026, its #244 holding.
  • American Century Companies first reported a position in Boston Scientific in Q2 2013 and has held it in 52 quarters since.
  • American Century Companies's Boston Scientific position peaked at $449M in Q2 2020.
  • 1,664 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.