BLDR BUILDERS FIRSTSOURCE INC
FollowStock (common), issuer CIK 1316835
806 managers (821 13F filers) reported a position in BLDR shares at 2024-12-31, 108,776,844 shares in all. 83 filers opened a position and 127 filers sold out during the quarter.
- Managers
- 806
- 13F filers
- 821
- New
- 83
- Added
- 290
- Reduced
- 325
- Sold out
- 127
- Shares held by filers
- 108,776,844
Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.
13D and 13G filers
Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.
- BlackRock, Inc.(group BlackRock, Inc.)
12,897,766 shares, 12% in a 13G/A as of 2026-09-30,0002012383-26-003316
Accepted , ingested
Insider trades
No Form 4 transaction on this security in the data.
13F holders, Q4 2024
Filers in the available 13F reports with a share position at 2024-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.
| Holder | Shares | Value | % of portfolio | Change | Source |
|---|---|---|---|---|---|
| Asset Dedication, LLC | 1 | $143 | <0.01% | new | 13F-HRTimeline |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUS… | 1 | $143 | <0.01% | 0 | 13F-HRTimeline |
| Kohmann Bosshard Financial Services, LLC | 1 | $143 | <0.01% | new | 13F-HRTimeline |
| Cassady Schiller Wealth Management, LLC | 1 | $143 | <0.01% | new | 13F-HRTimeline |
| Sugar Maple Asset Management, LLC | 1 | $143 | <0.01% | new | 13F-HRTimeline |
| Erste Asset Management GmbHin group Erste Asset Management GmbH | 0 | $0 | 0% | 0 | 13F-HRTimelineGroupValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios. |
Events
BlackRock, Inc. reported 12,897,766 BLDR shares, 12% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-05. 0002012383-26-003316
Accepted , ingested