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Livermore
Livermore
ZHEN

D. E. Shaw & Co., Inc.

SEC CIK
0001009207
Latest filing
Aug 14, 2026

REGN holding history

Regeneron Pharmaceuticals, Inc. in every 13F filed by D. E. Shaw & Co., Inc., 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)
38,477
Value
$24.0M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of REGN by D. E. Shaw & Co., Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202638,477$24.0M<0.1%+15,747+69.3%AddedHolders
Q1 202622,730$17.6M<0.1%−132,745−85.4%ReducedHolders
Q4 2025155,475$120.0M0.1%−706,118−82.0%ReducedHolders
Q3 2025861,593$484.4M0.4%+84,124+10.8%AddedHolders
Q2 2025777,469$408.2M0.4%+198,580+34.3%AddedHolders
Q1 2025578,889$367.1M0.4%+78,659+15.7%AddedHolders
Q4 2024500,230$356.3M0.4%+233,994+87.9%AddedHolders
Q3 2024266,236$279.9M0.4%+11,821+4.6%AddedHolders
Q2 2024254,415$267.4M0.4%+23,944+10.4%AddedHolders
Q1 2024230,471$221.8M0.3%−133,587−36.7%ReducedHolders
Q4 2023364,058$319.7M0.5%−6,363−1.7%ReducedHolders
Q3 2023370,421$304.8M0.5%+82,642+28.7%AddedHolders
Q2 2023287,779$206.8M0.3%+136,446+90.2%AddedHolders
Q1 2023151,333$124.3M0.2%+135,038+828.7%AddedHolders
Q4 202216,295$11.8M<0.1%−21,130−56.5%ReducedHolders
Q3 202237,425$25.8M<0.1%−26,903−41.8%ReducedHolders
Q2 202264,328$38.0M0.1%−135,375−67.8%ReducedHolders
Q1 2022199,703$139.5M0.2%−93,168−31.8%ReducedHolders
Q4 2021292,871$185.0M0.2%+120,736+70.1%AddedHolders
Q3 2021172,135$104.2M0.1%+119,119+224.7%AddedHolders
Q2 202153,016$29.6M<0.1%+32,316+156.1%AddedHolders
Q1 202120,700$9.79M<0.1%––Holders

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