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Magnetar Financial LLC

SEC CIK
0001352851
Latest filing
Aug 14, 2026

BSX holding history

Boston Scientific Corp in every 13F filed by Magnetar Financial LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

BSX overviewAll 13F holders of BSXFull Q2 2026 holdings

Shares (Q2 2026)
0
Sold out in Q2 2026
Value
$0
% of portfolio
0.0%
Quarters held
21
Since Q1 2021
Holdings of BSX by Magnetar Financial LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20260$00.0%−7,883−100.0%Sold outHolders
Q1 20267,883$496.1K<0.1%−3,958−33.4%ReducedHolders
Q4 202511,841$1.13M<0.1%−57,632−83.0%ReducedHolders
Q3 202569,473$6.78M<0.1%+63,691+1,101.5%AddedHolders
Q2 20255,782$621.0K<0.1%+794+15.9%AddedHolders
Q1 20254,988$503.2K<0.1%−292,157−98.3%ReducedHolders
Q4 2024297,145$26.5M0.6%−574,219−65.9%ReducedHolders
Q3 2024871,364$73.0M1.6%+481,989+123.8%AddedHolders
Q2 2024389,375$30.0M0.6%+141,330+57.0%AddedHolders
Q1 2024248,045$17.0M0.4%+114,012+85.1%AddedHolders
Q4 2023134,033$7.75M0.2%−605,590−81.9%ReducedHolders
Q3 2023739,623$39.1M1.0%−220,691−23.0%ReducedHolders
Q2 2023960,314$51.9M1.1%−307,543−24.3%ReducedHolders
Q1 20231,267,857$63.4M1.2%−545,354−30.1%ReducedHolders
Q4 20221,813,211$83.9M1.4%−716,486−28.3%ReducedHolders
Q3 20222,529,697$98.0M1.4%−101,417−3.9%ReducedHolders
Q2 20222,631,114$98.1M1.1%+1,312,294+99.5%AddedHolders
Q1 20221,318,820$58.4M0.6%+304,276+30.0%AddedHolders
Q4 20211,014,544$43.1M0.4%+408,492+67.4%AddedHolders
Q3 2021606,052$26.3M0.3%+532,358+722.4%AddedHolders
Q2 202173,694$3.15M<0.1%−93,825−56.0%ReducedHolders
Q1 2021167,519$6.47M0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.