Skip to main content
Livermore
Livermore
ZHEN

Boston Partners

SEC CIK
0001386060
Latest filing
Aug 4, 2026

BLDR holding history

Builders FirstSource, Inc. in every 13F filed by Boston Partners, 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)
28,126
Value
$2.52M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of BLDR by Boston Partners, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202628,126$2.52M<0.1%−1,574,234−98.2%ReducedHolders
Q1 20261,602,360$131.9M0.1%−188,494−10.5%ReducedHolders
Q4 20251,790,854$184.4M0.2%−61,438−3.3%ReducedHolders
Q3 20251,852,292$224.6M0.2%+781,506+73.0%AddedHolders
Q2 20251,070,786$125.0M0.1%−517,387−32.6%ReducedHolders
Q1 20251,588,173$198.0M0.2%−399,274−20.1%ReducedHolders
Q4 20241,987,447$285.5M0.3%−915,660−31.5%ReducedHolders
Q3 20242,903,107$561.9M0.7%+462,722+19.0%AddedHolders
Q2 20242,440,385$338.6M0.4%+1,063,050+77.2%AddedHolders
Q1 20241,377,335$285.8M0.3%+10,551+0.8%AddedHolders
Q4 20231,366,784$227.5M0.3%+578,961+73.5%AddedHolders
Q3 2023787,823$97.8M0.1%−123,091−13.5%ReducedHolders
Q2 2023910,914$122.9M0.2%−211,622−18.9%ReducedHolders
Q1 20231,122,536$99.4M0.1%+5,703+0.5%AddedHolders
Q4 20221,116,833$72.4M0.1%+1,091,716+4,346.5%AddedHolders
Q3 202225,117$1.39M<0.1%+471+1.9%AddedHolders
Q2 202224,646$1.14M<0.1%−103,826−80.8%ReducedHolders
Q1 2022128,472$8.29M<0.1%−45,693−26.2%ReducedHolders
Q4 2021174,165$14.9M<0.1%−906−0.5%ReducedHolders
Q3 2021175,071$9.06M<0.1%−133,012−43.2%ReducedHolders
Q2 2021308,083$13.1M<0.1%−489,620−61.4%ReducedHolders
Q1 2021797,703$37.1M<0.1%––Holders

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