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Livermore
Livermore
ZHEN

Marshall Wace, LLP

SEC CIK
0001318757
Latest filing
Aug 13, 2026

BSX holding history

Boston Scientific Corp in every 13F filed by Marshall Wace, LLP, 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)
2,414,223
Value
$103.0M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of BSX by Marshall Wace, LLP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,414,223$103.0M0.1%−1,196,797−33.1%ReducedHolders
Q1 20263,611,020$226.6M0.2%+653,783+22.1%AddedHolders
Q4 20252,957,237$282.0M0.3%−6,841,803−69.8%ReducedHolders
Q3 20259,799,040$956.7M1.1%+2,301,383+30.7%AddedHolders
Q2 20257,497,657$805.3M1.0%−450,505−5.7%ReducedHolders
Q1 20257,948,162$801.8M1.1%−917,681−10.4%ReducedHolders
Q4 20248,865,843$791.9M1.0%+625,324+7.6%AddedHolders
Q3 20248,240,519$690.6M0.9%+1,520,039+22.6%AddedHolders
Q2 20246,720,480$517.5M0.7%+3,608,158+115.9%AddedHolders
Q1 20243,112,322$213.2M0.4%+1,495,021+92.4%AddedHolders
Q4 20231,617,301$93.5M0.2%−2,185,557−57.5%ReducedHolders
Q3 20233,802,858$200.8M0.4%+1,921,591+102.1%AddedHolders
Q2 20231,881,267$101.8M0.2%−2,351,499−55.6%ReducedHolders
Q1 20234,232,766$211.8M0.5%−1,589,247−27.3%ReducedHolders
Q4 20225,822,013$269.4M0.7%−4,268,346−42.3%ReducedHolders
Q3 202210,090,359$390.8M1.0%−388,778−3.7%ReducedHolders
Q2 202210,479,137$390.6M0.9%+938,755+9.8%AddedHolders
Q1 20229,540,382$422.5M0.9%+3,182,702+50.1%AddedHolders
Q4 20216,357,680$270.1M0.5%+5,411,822+572.2%AddedHolders
Q3 2021945,858$41.0M0.2%−28,943−3.0%ReducedHolders
Q2 2021974,801$41.7M0.2%+565,427+138.1%AddedHolders
Q1 2021409,374$15.8M0.1%––Holders

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