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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

ARWR holding history

Arrowhead Pharmaceuticals, Inc. in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ARWR overviewAll 13F holders of ARWRFull Q2 2026 holdings

Shares (Q2 2026)
29,002
Value
$2.36M
% of portfolio
0.1%
Quarters held
18
Since Q1 2021
Holdings of ARWR by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202629,002$2.36M0.1%+14,721+103.1%AddedHolders
Q1 202614,281$895.4K<0.1%+14,281NewHolders
Q3 20250$00.0%−57,307−100.0%Sold outHolders
Q2 202557,307$905.0K<0.1%+215+0.4%AddedHolders
Q1 202557,092$727.0K<0.1%+40,785+250.1%AddedHolders
Q4 202416,307$306.0K<0.1%+2,833+21.0%AddedHolders
Q3 202413,474$260.0K<0.1%−746−5.2%ReducedHolders
Q2 202414,220$369.0K<0.1%−6,791−32.3%ReducedHolders
Q1 202421,011$600.0K<0.1%+1,867+9.8%AddedHolders
Q4 202319,144$585.0K<0.1%+19,144NewHolders
Q3 20230$00.0%−703−100.0%Sold outHolders
Q2 2023703$25.0K<0.1%−1,083−60.6%ReducedHolders
Q1 20231,786$45.0K<0.1%+1,786NewHolders
Q4 20220$00.0%−3,222−100.0%Sold outHolders
Q3 20223,222$106.0K<0.1%−48−1.5%ReducedHolders
Q2 20223,270$115.0K<0.1%+722+28.3%AddedHolders
Q1 20222,548$117.0K<0.1%−20,354−88.9%ReducedHolders
Q4 202122,902$1.52M<0.1%−9,409−29.1%ReducedHolders
Q3 202132,311$2.75M0.1%+4,415+15.8%AddedHolders
Q2 202127,896$2.31M0.1%−2,954−9.6%ReducedHolders
Q1 202130,850$00.0%––Holders

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