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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

SRRK holding history

Scholar Rock Holding Corp 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.

SRRK overviewAll 13F holders of SRRKFull Q2 2026 holdings

Shares (Q2 2026)
1,465
Value
$80.6K
% of portfolio
<0.1%
Quarters held
13
Since Q1 2021
Holdings of SRRK by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,465$80.6K<0.1%+1,465NewHolders
Q4 20250$00.0%−13,888−100.0%Sold outHolders
Q3 202513,888$517.0K<0.1%+9,416+210.6%AddedHolders
Q2 20254,472$158.0K<0.1%−2,640−37.1%ReducedHolders
Q1 20257,112$228.0K<0.1%−25,843−78.4%ReducedHolders
Q4 202432,955$1.42M<0.1%+32,955NewHolders
Q3 20240$00.0%−50−100.0%Sold outHolders
Q2 202450$00.0%−28,463−99.8%ReducedHolders
Q1 202428,513$506.0K<0.1%+26,381+1,237.4%AddedHolders
Q4 20232,132$40.0K<0.1%+2,132NewHolders
Q3 20230$00.0%−1,751−100.0%Sold outHolders
Q2 20231,751$13.0K<0.1%+1,022+140.2%AddedHolders
Q1 2023729$5.00K<0.1%+729NewHolders
Q3 20220$00.0%−1,415−100.0%Sold outHolders
Q2 20221,415$7.00K<0.1%+680+92.5%AddedHolders
Q1 2022735$9.00K<0.1%+735NewHolders
Q2 20210$00.0%−1,200−100.0%Sold outHolders
Q1 20211,200$60.0K<0.1%––Holders

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