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Livermore
Livermore
ZHEN

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

RBBN holding history

Ribbon Communications 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.

RBBN overviewAll 13F holders of RBBNFull Q2 2026 holdings

Shares (Q2 2026)
73,875
Value
$172.9K
% of portfolio
<0.1%
Quarters held
17
Since Q1 2021
Holdings of RBBN by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202673,875$172.9K<0.1%+73,875NewHolders
Q1 20260$00.0%−2,586−100.0%Sold outHolders
Q4 20252,586$7.45K<0.1%−17,356−87.0%ReducedHolders
Q3 202519,942$75.0K<0.1%+62+0.3%AddedHolders
Q2 202519,880$79.0K<0.1%+18,687+1,566.4%AddedHolders
Q1 20251,193$4.00K<0.1%+1,193NewHolders
Q4 20240$00.0%−2,538−100.0%Sold outHolders
Q3 20242,538$8.00K<0.1%−7,267−74.1%ReducedHolders
Q2 20249,805$32.0K<0.1%−5,646−36.5%ReducedHolders
Q1 202415,451$49.0K<0.1%+295+1.9%AddedHolders
Q4 202315,156$43.0K<0.1%+4,397+40.9%AddedHolders
Q3 202310,759$28.0K<0.1%+887+9.0%AddedHolders
Q2 20239,872$27.0K<0.1%−44,686−81.9%ReducedHolders
Q1 202354,558$186.0K<0.1%+54,549+606,100.0%AddedHolders
Q4 20229$00.0%+9NewHolders
Q3 20220$00.0%−1,133−100.0%Sold outHolders
Q2 20221,133$3.00K<0.1%+713+169.8%AddedHolders
Q1 2022420$1.00K<0.1%−4,066−90.6%ReducedHolders
Q4 20214,486$27.0K<0.1%+4,486NewHolders
Q2 20210$00.0%−52,940−100.0%Sold outHolders
Q1 202152,940$434.0K<0.1%––Holders

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