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Magnetar Financial LLC

SEC CIK
0001352851
Latest filing
Aug 14, 2026

PEN holding history

Penumbra Inc 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.

PEN overviewAll 13F holders of PENFull Q2 2026 holdings

Shares (Q2 2026)
255,841
Value
$80.8M
% of portfolio
0.7%
Quarters held
7
Since Q2 2021
Holdings of PEN by Magnetar Financial LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026255,841$80.8M0.7%+4,408+1.8%AddedHolders
Q1 2026251,433$82.6M0.8%+251,433NewHolders
Q4 20250$00.0%−5,163−100.0%Sold outHolders
Q3 20255,163$1.31M<0.1%−26,473−83.7%ReducedHolders
Q2 202531,636$8.12M<0.1%+31,636NewHolders
Q3 20220$00.0%−41,116−100.0%Sold outHolders
Q2 202241,116$5.12M0.1%+41,116NewHolders
Q1 20220$00.0%−2,085−100.0%Sold outHolders
Q4 20212,085$599.0K<0.1%+2,085NewHolders
Q3 20210$00.0%−1,027−100.0%Sold outHolders
Q2 20211,027$281.0K<0.1%+1,027NewHolders