Rhenman & Partners Asset Management’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
$39.2M Buy
625,000
+193,793
+45% +$15.5M 4.84% 1
2025
Q4
$41.1M Sell
431,207
-6,793
-2% -$666K 3.84% 3
2025
Q3
$42.8M Buy
438,000
+142,000
+48% +$14.7M 4.73% 1
2025
Q2
$31.8M Sell
296,000
-4,000
-1% -$405K 4.02% 2
2025
Q1
$30.3M Sell
300,000
-144,000
-32% -$14.5M 3.48% 5
2024
Q4
$39.7M Sell
444,000
-146,000
-25% -$12.9M 4.08% 1
2024
Q3
$49.4M Sell
590,000
-5,000
-0.8% -$394K 4.01% 1
2024
Q2
$45.8M Buy
595,000
+13,000
+2% +$952K 4.4% 3
2024
Q1
$39.9M Sell
582,000
-168,000
-22% -$10.8M 3.78% 4
2023
Q4
$43.4M Buy
750,000
+50,000
+7% +$2.67M 4.33% 3
2023
Q3
$37M Buy
700,000
+120,000
+21% +$6.29M 3.98% 2
2023
Q2
$31.4M Sell
580,000
-20,000
-3% -$1.04M 3.31% 4
2023
Q1
$29.8M Buy
600,000
+15,000
+3% +$707K 3.27% 3
2022
Q4
$27.1M Sell
585,000
-110,000
-16% -$4.76M 2.82% 4
2022
Q3
$30M Sell
695,000
-30,000
-4% -$1.2M 3.14% 3
2022
Q2
$27M Buy
725,000
+215,000
+42% +$8.75M 3.07% 7
2022
Q1
$22.6M Sell
510,000
-400,000
-44% -$17.3M 2.23% 12
2021
Q4
$39.1M Buy
910,000
+340,000
+60% +$14.3M 2.6% 10
2021
Q3
$24.7M Buy
570,000
+50,000
+10% +$2.21M 1.74% 18
2021
Q2
$22.2M Sell
520,000
-150,000
-22% -$6.31M 1.51% 25
2021
Q1
$25.9M Buy
670,000
+140,000
+26% +$5.3M 1.81% 18
2020
Q4
$19.1M Buy
530,000
+80,000
+18% +$2.88M 1.55% 27
2020
Q3
$17.2M Buy
450,000
+40,000
+10% +$1.54M 1.53% 27
2020
Q2
$14.4M Sell
410,000
-155,000
-27% -$5.58M 1.56% 28
2020
Q1
$18.4M Buy
565,000
+113,332
+25% +$4.43M 2.58% 10
2019
Q4
$20.4M Buy
451,668
+81,668
+22% +$3.42M 2.24% 8
2019
Q3
$15.1M Sell
370,000
-17,908
-5% -$759K 1.89% 19
2019
Q2
$16.7M Buy
387,908
+20,000
+5% +$769K 1.84% 21
2019
Q1
$14.1M Sell
367,908
-10,000
-3% -$382K 1.65% 23
2018
Q4
$13.4M Buy
377,908
+39,940
+12% +$1.45M 1.53% 32
2018
Q3
$13M Sell
337,968
-10,000
-3% -$349K 1.3% 36
2018
Q2
$11.4M Hold
347,968
1.16% 41
2018
Q1
$9.51M Hold
347,968
1.17% 36
2017
Q4
$8.63M Buy
347,968
+67,500
+24% +$1.86M 1.17% 32
2017
Q3
$8.18M Buy
+280,468
New +$7.75M 1.04% 36
2016
Q1
Sell
-274,000
Closed -$5.05M 93
2015
Q4
$5.05M Buy
+274,000
New +$4.91M 0.76% 49
2014
Q4
Sell
-214,000
Closed -$2.53M 86
2014
Q3
$2.53M Sell
214,000
-201,000
-48% -$2.53M 0.74% 49
2014
Q2
$5.3M Buy
415,000
+130,022
+46% +$1.69M 1.57% 15
2014
Q1
$3.85M Buy
284,978
+9,978
+4% +$131K 1.16% 29
2013
Q4
$3.31M Buy
+275,000
New +$3.25M 1.29% 23

Other funds holding BSX

Rhenman & Partners Asset Management's BSX Position: Q1 2026 in Review

Rhenman & Partners Asset Management increased its Boston Scientific (BSX) stake by 45% in Q1 2026, buying an estimated $15.5M and bringing the position to 625,000 shares worth $39.2M. The position accounts for 4.84% of the portfolio, ranked #1.

Rhenman & Partners Asset Management first reported a position in BSX in Q4 2013 and has held it in 40 quarters since. The position peaked at $49.4M in Q3 2024. 1,666 funds tracked by Wall St. Rank hold BSX as of Q1 2026.

  • Rhenman & Partners Asset Management held 625,000 shares of Boston Scientific worth $39.2M as of Q1 2026.
  • Rhenman & Partners Asset Management bought 193,793 Boston Scientific shares in Q1 2026, an estimated $15.5M.
  • Boston Scientific made up 4.84% of Rhenman & Partners Asset Management's portfolio in Q1 2026, its #1 holding.
  • Rhenman & Partners Asset Management first reported a position in Boston Scientific in Q4 2013 and has held it in 40 quarters since.
  • Rhenman & Partners Asset Management's Boston Scientific position peaked at $49.4M in Q3 2024.
  • 1,666 funds tracked by Wall St. Rank held Boston Scientific as of Q1 2026.

Based on Rhenman & Partners Asset Management's 13F filing for Q1 2026, filed 14 May 2026.