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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

ZYME holding history

Zymeworks 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.

ZYME overviewAll 13F holders of ZYMEFull Q2 2026 holdings

Shares (Q2 2026)
19,431
Value
$507.9K
% of portfolio
<0.1%
Quarters held
20
Since Q1 2021
Holdings of ZYME by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202619,431$507.9K<0.1%+18,095+1,354.4%AddedHolders
Q1 20261,336$33.5K<0.1%−46,704−97.2%ReducedHolders
Q4 202548,040$1.26M<0.1%+19,279+67.0%AddedHolders
Q3 202528,761$491.0K<0.1%+22,316+346.3%AddedHolders
Q2 20256,445$80.0K<0.1%+2,277+54.6%AddedHolders
Q1 20254,168$49.0K<0.1%+3,081+283.4%AddedHolders
Q4 20241,087$15.0K<0.1%−443−29.0%ReducedHolders
Q3 20241,530$19.0K<0.1%−10,581−87.4%ReducedHolders
Q2 202412,111$103.0K<0.1%+8,965+285.0%AddedHolders
Q1 20243,146$33.0K<0.1%+3,146NewHolders
Q4 20230$00.0%−11,143−100.0%Sold outHolders
Q3 202311,143$70.0K<0.1%−25,881−69.9%ReducedHolders
Q2 202337,024$319.0K<0.1%+36,130+4,041.4%AddedHolders
Q1 2023894$8.00K<0.1%−47,298−98.1%ReducedHolders
Q4 202248,192$378.0K<0.1%+13,122+37.4%AddedHolders
Q3 202235,070$215.0K<0.1%−17,288−33.0%ReducedHolders
Q2 202252,358$277.0K<0.1%+11,514+28.2%AddedHolders
Q1 202240,844$267.0K<0.1%+40,844NewHolders
Q4 20210$00.0%−1,306−100.0%Sold outHolders
Q3 20211,306$48.0K<0.1%−343−20.8%ReducedHolders
Q2 20211,649$57.0K<0.1%−3,826−69.9%ReducedHolders
Q1 20215,475$172.0K<0.1%––Holders

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