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FMR LLC

SEC CIK
0000315066
Latest filing
Aug 13, 2026

HOWL holding history

Werewolf Therapeutics, Inc. in every 13F filed by FMR 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)
0
Sold out in Q2 2026
Value
$0
% of portfolio
0.0%
Quarters held
16
Since Q2 2021
Holdings of HOWL by FMR LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20260$00.0%−39−100.0%Sold outHolders
Q1 202639$32<0.1%−3,592−98.9%ReducedHolders
Q4 20253,631$2.30K<0.1%−7,653−67.8%ReducedHolders
Q3 202511,284$22.2K<0.1%00.0%UnchangedHolders
Q2 202511,284$12.3K<0.1%+6,823+152.9%AddedHolders
Q1 20254,461$4.34K<0.1%+2,630+143.6%AddedHolders
Q4 20241,831$2.71K<0.1%+317+20.9%AddedHolders
Q3 20241,514$3.21K<0.1%+1,511+50,366.7%AddedHolders
Q2 20243$7<0.1%+3NewHolders
Q3 20230$00.0%−2,100−100.0%Sold outHolders
Q2 20232,100$6.41K<0.1%00.0%UnchangedHolders
Q1 20232,100$5.46K<0.1%+2,100NewHolders
Q4 20220$00.0%−337,073−100.0%Sold outHolders
Q3 2022337,073$1.52M<0.1%−181,699−35.0%ReducedHolders
Q2 2022518,772$2.12M<0.1%+1370.0%AddedHolders
Q1 2022518,635$2.28M<0.1%+147,901+39.9%AddedHolders
Q4 2021370,734$4.42M<0.1%+132,234+55.4%AddedHolders
Q3 2021238,500$4.09M<0.1%−76,500−24.3%ReducedHolders
Q2 2021315,000$5.49M<0.1%+315,000NewHolders