BSX Stock Ownership Activity

BOSTON SCIENTIFIC CORP 13F holders

5 value investing gurus have made changes to the BOSTON SCIENTIFIC CORP (BSX) position according to the gurus' latest SEC quarterly report(s). BSX has been bought (as a new position) by 1, completely sold out by 2 guru(s), the number of BSX shares has been decreased by 2 super investor(s).

Which gurus or hedge funds are buying BSX now?

According to the latest SEC filing(s) BOSTON SCIENTIFIC CORP (BSX) has been bought by Parnassus Investments - Parnassus Endeavor Fund (new buy).

To see more about who is investing in BOSTON SCIENTIFIC CORP (BSX), please go to the BSX ownership page.

History
Name
Company
%
Activity
Share
Change
% change to
Portfolio
% of
Portfolio
2026 Q1 (5 results)
Parnassus Investments
Parnassus Endeavor Fund
buy
+678,208
+0.92%
0.92%
Stephen Mandel
Lone Pine Capital
-48.11%
-97,048
-0.05%
0.05%
David M. Polen
Polen Capital Management
-85.58%
-3,439,813
-1.49%
0.25%
John Armitage
Egerton Capital
-100.00%
-5,385,084
-5.70%
0.00%
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-2,509,808
-0.67%
0.00%
Current price: $47.69 24.00% AVG reported price*: $62.75
2025 Q4 (4 results)
Stephen Mandel
Lone Pine Capital
buy
+201,703
+0.14%
0.14%
John Armitage
Egerton Capital
+1.37%
+72,580
+0.08%
0.00%
Ole Andreas Halvorsen
Viking Global Investors
-4.99%
-131,874
-0.03%
0.00%
David M. Polen
Polen Capital Management
-28.20%
-1,578,734
-0.64%
1.64%
Current price: $47.69 49.98% AVG reported price*: $95.35
2025 Q3 (3 results)
David M. Polen
Polen Capital Management
buy
+5,598,286
+1.77%
1.77%
John Armitage
Egerton Capital
+223.74%
+3,671,548
+3.78%
5.47%
Ole Andreas Halvorsen
Viking Global Investors
-13.27%
-404,082
-0.10%
0.67%
Current price: $47.69 51.15% AVG reported price*: $97.63
2025 Q2 (2 results)
John Armitage
Egerton Capital
buy
+1,640,956
+1.81%
1.81%
Ole Andreas Halvorsen
Viking Global Investors
+28.15%
+669,000
+0.21%
0.95%
Current price: $47.69 55.60% AVG reported price*: $107.41
2025 Q1 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
+9.42%
+204,556
+0.07%
0.76%
Current price: $47.69 52.73% Reported price*: $100.88
2024 Q4 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
+124.58%
+1,204,998
+0.35%
0.63%
Current price: $47.69 46.61% Reported price*: $89.32
2024 Q3 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
buy
+967,210
+0.30%
0.30%
Current price: $47.69 43.09% Reported price*: $83.80
2024 Q2 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-1,724,755
-0.45%
0.00%
Current price: $47.69 30.37% Reported price*: $68.49
2024 Q1 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-23.94%
-543,006
-0.14%
0.00%
Current price: $47.69 30.37% Reported price*: $68.49
2023 Q4 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
+104.25%
+1,157,469
+0.25%
0.48%
Current price: $47.69 17.51% Reported price*: $57.81
2023 Q3 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
buy
+1,110,292
+0.24%
0.24%
Current price: $47.69 9.68% Reported price*: $52.80
2023 Q2 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-1,136,881
-0.23%
0.00%
Current price: $47.69 4.68% Reported price*: $50.03
2023 Q1 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-88.07%
-8,391,712
-1.98%
0.00%
Current price: $47.69 4.68% Reported price*: $50.03
2022 Q4 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-41.05%
-6,634,328
-1.54%
2.22%
Current price: $47.69 3.07% Reported price*: $46.27
2022 Q3 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
+10.30%
+1,508,967
+0.27%
2.90%
Current price: $47.69 23.13% Reported price*: $38.73
2022 Q2 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
+14.13%
+1,814,812
+0.31%
2.51%
Current price: $47.69 27.96% Reported price*: $37.27
2022 Q1 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-32.29%
-6,122,359
-1.10%
2.31%
Current price: $47.69 7.68% Reported price*: $44.29
2021 Q4 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
+176.15%
+12,095,096
+1.49%
2.34%
Current price: $47.69 12.26% Reported price*: $42.48
2021 Q3 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-48.43%
-6,449,411
-0.77%
0.82%
Current price: $47.69 9.91% Reported price*: $43.39
2021 Q2 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-25.59%
-4,580,286
-0.59%
1.73%
Current price: $47.69 11.53% Reported price*: $42.76
2021 Q1 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-40.33%
-12,094,790
-1.39%
2.06%
Current price: $47.69 23.39% Reported price*: $38.65
2020 Q4 (2 results)
Ole Andreas Halvorsen
Viking Global Investors
+59.27%
+11,161,162
+1.10%
2.96%
David Tepper
Appaloosa Management
-100.00%
-787,500
-0.45%
0.00%
Current price: $47.69 32.66% AVG reported price*: $35.95
2020 Q3 (2 results)
Ole Andreas Halvorsen
Viking Global Investors
+2.02%
+372,457
+0.05%
2.60%
David Tepper
Appaloosa Management
-17.11%
-162,500
-0.11%
0.00%
Current price: $47.69 24.81% AVG reported price*: $38.21
2020 Q2 (2 results)
David Tepper
Appaloosa Management
+726.09%
+835,000
+0.51%
0.58%
Ole Andreas Halvorsen
Viking Global Investors
-41.99%
-13,358,924
-2.03%
2.80%
Current price: $47.69 35.83% AVG reported price*: $35.11
2020 Q1 (3 results)
David Tepper
Appaloosa Management
buy
+115,000
+0.11%
0.11%
Ole Andreas Halvorsen
Viking Global Investors
+72.06%
+13,324,535
+2.26%
5.40%
Daniel Loeb
Third Point
-100.00%
-5,000,000
-3.61%
0.00%
Current price: $47.69 46.16% AVG reported price*: $32.63
2019 Q4 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
+77.53%
+8,075,615
+1.71%
3.92%
Current price: $47.69 5.46% Reported price*: $45.22
2019 Q3 (2 results)
Ole Andreas Halvorsen
Viking Global Investors
+13.28%
+1,220,855
+0.26%
2.21%
Daniel Loeb
Third Point
-9.09%
-500,000
-0.24%
2.42%
Current price: $47.69 17.20% AVG reported price*: $40.69
2019 Q2 (2 results)
Ole Andreas Halvorsen
Viking Global Investors
+185.53%
+5,974,823
+1.15%
1.77%
Daniel Loeb
Third Point
+10.00%
+500,000
+0.25%
2.77%
Current price: $47.69 10.96% AVG reported price*: $42.98
2019 Q1 (2 results)
Daniel Loeb
Third Point
buy
+5,000,000
+2.15%
2.15%
Ole Andreas Halvorsen
Viking Global Investors
-38.09%
-1,981,459
-0.44%
0.71%
Current price: $47.69 24.26% AVG reported price*: $38.38
2018 Q4 (2 results)
Ole Andreas Halvorsen
Viking Global Investors
+64.82%
+2,045,827
+0.41%
1.05%
David Tepper
Appaloosa Management
-100.00%
-853,875
-1.65%
0.00%
Current price: $47.69 34.95% AVG reported price*: $35.34
49 of 62

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.