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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

MGNX holding history

Macrogenics 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.

MGNX overviewAll 13F holders of MGNXFull Q2 2026 holdings

Shares (Q2 2026)
38,821
Value
$179.4K
% of portfolio
<0.1%
Quarters held
19
Since Q1 2021
Holdings of MGNX by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202638,821$179.4K<0.1%+34,057+714.9%AddedHolders
Q1 20264,764$13.8K<0.1%−333−6.5%ReducedHolders
Q4 20255,097$8.21K<0.1%−2,027−28.5%ReducedHolders
Q3 20257,124$11.0K<0.1%+2,114+42.2%AddedHolders
Q2 20255,010$6.00K<0.1%+5,010NewHolders
Q4 20240$00.0%−29,615−100.0%Sold outHolders
Q3 202429,615$97.0K<0.1%+958+3.3%AddedHolders
Q2 202428,657$121.0K<0.1%+16,937+144.5%AddedHolders
Q1 202411,720$172.0K<0.1%+10,804+1,179.5%AddedHolders
Q4 2023916$8.00K<0.1%−6,824−88.2%ReducedHolders
Q3 20237,740$36.0K<0.1%−10,697−58.0%ReducedHolders
Q2 202318,437$98.0K<0.1%−521−2.7%ReducedHolders
Q1 202318,958$135.0K<0.1%+669+3.7%AddedHolders
Q4 202218,289$122.0K<0.1%−1,134−5.8%ReducedHolders
Q3 202219,423$67.0K<0.1%−3,116−13.8%ReducedHolders
Q2 202222,539$66.0K<0.1%+21,177+1,554.8%AddedHolders
Q1 20221,362$11.0K<0.1%+1,362NewHolders
Q4 20210$00.0%−10,032−100.0%Sold outHolders
Q3 202110,032$282.0K<0.1%−1,674−14.3%ReducedHolders
Q2 202111,706$314.0K<0.1%−2,278−16.3%ReducedHolders
Q1 202113,984$445.0K<0.1%––Holders

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