BLDR
BUILDERS FIRSTSOURCE INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
BUILDERS FIRSTSOURCE INC (BLDR) is held as common stock by 7 tracked hedge-fund managers, with a combined reported value of ~$132.20M; the largest are Ken Griffin, Izzy Englander, Jeremy Grantham. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 new, 3 added, 3 trimmed, 3 closed. 18 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Cooling
Common-stock holders74 also report options
Congress trades18
Price$58.01vs quarter-end-35.17%
Sectors0
This quarter's moves
Top holderNew1
Added3
Trimmed / sold6
Ken GriffinCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $21.19M— of portfolio236,8002026 Q2
Value $21.04M— of portfolio235,1002026 Q2
Value $3.21M— of portfolio35,9002026 Q2
Value $2.94M— of portfolio32,9002026 Q2
Value $1.95M— of portfolio21,8002026 Q2
Value $1.43M— of portfolio16,0002026 Q2
Value $1.19M— of portfolio13,3002026 Q2
Value $590.6K— of portfolio6,6002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $21.19M | — | — |
| Ken GriffinPUT | $21.04M | — | — |
| Paul Tudor JonesCALL | $3.21M | — | — |
| Izzy EnglanderPUT | $2.94M | — | — |
| Steven CohenPUT | $1.95M | — | — |
| Steven CohenCALL | $1.43M | — | — |
| Izzy EnglanderCALL | $1.19M | — | — |
| Paul Tudor JonesPUT | $590.6K | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.