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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

ASPN holding history

Aspen Aerogels 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.

ASPN overviewAll 13F holders of ASPNFull Q2 2026 holdings

Shares (Q2 2026)
15,952
Value
$101.1K
% of portfolio
<0.1%
Quarters held
18
Since Q1 2021
Holdings of ASPN by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202615,952$101.1K<0.1%+13,578+571.9%AddedHolders
Q1 20262,374$8.12K<0.1%−2,458−50.9%ReducedHolders
Q4 20254,832$13.7K<0.1%−11,419−70.3%ReducedHolders
Q3 202516,251$113.0K<0.1%+15,198+1,443.3%AddedHolders
Q2 20251,053$6.00K<0.1%−6,027−85.1%ReducedHolders
Q1 20257,080$45.0K<0.1%+3,414+93.1%AddedHolders
Q4 20243,666$43.0K<0.1%−22,815−86.2%ReducedHolders
Q3 202426,481$733.0K<0.1%−7,493−22.1%ReducedHolders
Q2 202433,974$810.0K<0.1%+29,687+692.5%AddedHolders
Q1 20244,287$75.0K<0.1%+4,287NewHolders
Q2 20230$00.0%−53,586−100.0%Sold outHolders
Q1 202353,586$399.0K<0.1%+36,667+216.7%AddedHolders
Q4 202216,919$199.0K<0.1%−330−1.9%ReducedHolders
Q3 202217,249$159.0K<0.1%+15,757+1,056.1%AddedHolders
Q2 20221,492$14.0K<0.1%−33,506−95.7%ReducedHolders
Q1 202234,998$1.21M<0.1%+34,998NewHolders
Q4 20210$00.0%−11,568−100.0%Sold outHolders
Q3 202111,568$400.0K<0.1%+10.0%AddedHolders
Q2 202111,567$346.0K<0.1%−18,337−61.3%ReducedHolders
Q1 202129,904$608.0K<0.1%––Holders

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