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Livermore
Livermore
ZHEN

Walleye Trading LLC

SEC CIK
0001388391
Latest filing
Aug 3, 2026

BLDR holding history

Builders FirstSource, Inc. in every 13F filed by Walleye Trading LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

BLDR overviewAll 13F holders of BLDRFull Q2 2026 holdings

Shares (Q2 2026)
12,411
Value
$1.11M
% of portfolio
<0.1%
Quarters held
19
Since Q1 2021
Holdings of BLDR by Walleye Trading LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202612,411$1.11M<0.1%+4,874+64.7%AddedHolders
Q1 20267,537$620.5K<0.1%−3,706−33.0%ReducedHolders
Q4 202511,243$1.16M<0.1%−19,645−63.6%ReducedHolders
Q3 202530,888$3.75M0.1%+25,774+504.0%AddedHolders
Q2 20255,114$596.8K<0.1%−1,681−24.7%ReducedHolders
Q1 20256,795$849.0K<0.1%−33,399−83.1%ReducedHolders
Q4 202440,194$5.74M0.1%−11,850−22.8%ReducedHolders
Q3 202452,044$10.1M0.2%−1,560−2.9%ReducedHolders
Q2 202453,604$7.42M0.1%−28,044−34.3%ReducedHolders
Q1 202481,648$17.0M0.3%−38,001−31.8%ReducedHolders
Q4 2023119,649$20.0M0.3%+88,557+284.8%AddedHolders
Q3 202331,092$3.87M0.1%+1,032+3.4%AddedHolders
Q2 202330,060$4.09M0.2%+30,060NewHolders
Q3 20220$00.0%−12,828−100.0%Sold outHolders
Q2 202212,828$689.0K<0.1%−17,551−57.8%ReducedHolders
Q1 202230,379$1.96M<0.1%−6,040−16.6%ReducedHolders
Q4 202136,419$3.12M0.1%+19,824+119.5%AddedHolders
Q3 202116,595$859.0K<0.1%−44,511−72.8%ReducedHolders
Q2 202161,106$2.61M0.1%+53,227+675.6%AddedHolders
Q1 20217,879$365.0K<0.1%––Holders

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