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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

HOWL holding history

Werewolf Therapeutics, 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.

HOWL overviewAll 13F holders of HOWLFull Q2 2026 holdings

Shares (Q2 2026)
255
Value
$91
% of portfolio
<0.1%
Quarters held
13
Since Q2 2023
Holdings of HOWL by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026255$91<0.1%−32,271−99.2%ReducedHolders
Q1 202632,526$27.1K<0.1%+8,472+35.2%AddedHolders
Q4 202524,054$15.3K<0.1%+8,418+53.8%AddedHolders
Q3 202515,636$30.0K<0.1%+8,637+123.4%AddedHolders
Q2 20256,999$7.00K<0.1%+5,109+270.3%AddedHolders
Q1 20251,890$1.00K<0.1%+256+15.7%AddedHolders
Q4 20241,634$2.00K<0.1%−1,805−52.5%ReducedHolders
Q3 20243,439$7.00K<0.1%+3,303+2,428.7%AddedHolders
Q2 2024136$00.0%−66−32.7%ReducedHolders
Q1 2024202$1.00K<0.1%−5,496−96.5%ReducedHolders
Q4 20235,698$21.0K<0.1%−257−4.3%ReducedHolders
Q3 20235,955$12.0K<0.1%+5,326+846.7%AddedHolders
Q2 2023629$1.00K<0.1%+629NewHolders