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Livermore
Livermore
ZHEN

Marshall Wace, LLP

SEC CIK
0001318757
Latest filing
Aug 13, 2026

REGN holding history

Regeneron Pharmaceuticals, Inc. 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.

REGN overviewAll 13F holders of REGNFull Q2 2026 holdings

Shares (Q2 2026)
23,000
Value
$14.3M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of REGN by Marshall Wace, LLP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202623,000$14.3M<0.1%+22,647+6,415.6%AddedHolders
Q1 2026353$272.7K<0.1%−478,198−99.9%ReducedHolders
Q4 2025478,551$369.4M0.4%+91,667+23.7%AddedHolders
Q3 2025386,884$217.5M0.2%+146,975+61.3%AddedHolders
Q2 2025239,909$126.0M0.1%+238,509+17,036.4%AddedHolders
Q1 20251,400$887.9K<0.1%−126,000−98.9%ReducedHolders
Q4 2024127,400$90.8M0.1%−6,604−4.9%ReducedHolders
Q3 2024134,004$140.9M0.2%+75,131+127.6%AddedHolders
Q2 202458,873$61.9M0.1%−141,514−70.6%ReducedHolders
Q1 2024200,387$192.9M0.3%+105,861+112.0%AddedHolders
Q4 202394,526$83.0M0.2%−10,751−10.2%ReducedHolders
Q3 2023105,277$86.6M0.2%−38,231−26.6%ReducedHolders
Q2 2023143,508$103.1M0.2%+52,710+58.1%AddedHolders
Q1 202390,798$74.6M0.2%+81,098+836.1%AddedHolders
Q4 20229,700$7.00M<0.1%+5,595+136.3%AddedHolders
Q3 20224,105$2.83M<0.1%−47,950−92.1%ReducedHolders
Q2 202252,055$30.8M0.1%+48,188+1,246.1%AddedHolders
Q1 20223,867$2.70M<0.1%−125,161−97.0%ReducedHolders
Q4 2021129,028$81.5M0.2%+25,056+24.1%AddedHolders
Q3 2021103,972$62.9M0.3%+31,520+43.5%AddedHolders
Q2 202172,452$40.5M0.2%+54,384+301.0%AddedHolders
Q1 202118,068$8.55M<0.1%––Holders

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