Mariner’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
Q2
$41M Sell
960,829
-1,524,131
-61% -$82.8M 0.04% 323
2026
Q1
$156M Buy
2,484,960
+2,053,754
+476% +$164M 0.18% 102
2025
Q4
$41.1M Buy
431,206
+17,992
+4% +$1.76M 0.05% 293
2025
Q3
$40.3M Buy
413,214
+112,459
+37% +$11.6M 0.05% 282
2025
Q2
$32.3M Buy
300,755
+56,113
+23% +$5.68M 0.05% 311
2025
Q1
$24.7M Buy
244,642
+68,876
+39% +$6.94M 0.04% 340
2024
Q4
$15.7M Buy
175,766
+11,030
+7% +$971K 0.03% 423
2024
Q3
$13.8M Buy
164,736
+7,693
+5% +$606K 0.02% 447
2024
Q2
$12.1M Buy
157,043
+12,108
+8% +$886K 0.02% 457
2024
Q1
$9.93M Buy
144,935
+16,171
+13% +$1.04M 0.02% 512
2023
Q4
$7.44M Buy
128,764
+2,034
+2% +$109K 0.02% 560
2023
Q3
$6.69M Buy
126,730
+10,214
+9% +$536K 0.02% 556
2023
Q2
$6.3M Buy
116,516
+510
+0.4% +$26.6K 0.02% 572
2023
Q1
$5.8M Buy
116,006
+11,885
+11% +$560K 0.02% 585
2022
Q4
$4.82M Buy
104,121
+6,766
+7% +$293K 0.02% 616
2022
Q3
$3.77M Buy
97,355
+18,864
+24% +$757K 0.02% 591
2022
Q2
$2.93M Buy
78,491
+181
+0.2% +$7.37K 0.01% 610
2022
Q1
$3.47M Buy
78,310
+29,375
+60% +$1.27M 0.01% 578
2021
Q4
$2.08M Buy
48,935
+13,571
+38% +$570K 0.01% 651
2021
Q3
$1.53M Buy
35,364
+3,820
+12% +$169K 0.01% 596
2021
Q2
$1.35M Buy
31,544
+18,025
+133% +$758K 0.01% 588
2021
Q1
$523K Buy
13,519
+1,808
+15% +$68.4K ﹤0.01% 733
2020
Q4
$421K Sell
11,711
-4,090
-26% -$147K ﹤0.01% 700
2020
Q3
$603K Sell
15,801
-1,637
-9% -$63.1K 0.01% 583
2020
Q2
$612K Buy
17,438
+1,470
+9% +$52.9K 0.01% 574
2020
Q1
$521K Buy
15,968
+1,119
+8% +$43.7K 0.01% 578
2019
Q4
$671K Buy
14,849
+2,999
+25% +$125K 0.01% 572
2019
Q3
$482K Buy
11,850
+779
+7% +$33K 0.01% 604
2019
Q2
$476K Buy
11,071
+1,115
+11% +$42.9K 0.01% 740
2019
Q1
$382K Buy
9,956
+1,773
+22% +$67.7K 0.01% 736
2018
Q4
$289K Buy
8,183
+244
+3% +$8.85K 0.01% 675
2018
Q3
$306K Buy
+7,939
New +$277K 0.01% 652

Other funds holding BSX

Mariner's BSX Position: Q2 2026 in Review

Mariner reduced its Boston Scientific (BSX) stake by 61% in Q2 2026, selling an estimated $82.8M and leaving 960,829 shares worth $41M. The position accounts for 0.04% of the portfolio, ranked #323.

Mariner first reported a position in BSX in Q3 2018 and has held it in 32 quarters since. The position peaked at $156M in Q1 2026. 1,477 funds tracked by Wall St. Rank hold BSX as of Q2 2026.

  • Mariner held 960,829 shares of Boston Scientific worth $41M as of Q2 2026.
  • Mariner sold 1,524,131 Boston Scientific shares in Q2 2026, an estimated $82.8M.
  • Boston Scientific made up 0.04% of Mariner's portfolio in Q2 2026, its #323 holding.
  • Mariner first reported a position in Boston Scientific in Q3 2018 and has held it in 32 quarters since.
  • Mariner's Boston Scientific position peaked at $156M in Q1 2026.
  • 1,477 funds tracked by Wall St. Rank held Boston Scientific as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.