Builders FirstSource, Inc.
MX ˙ BMV ˙ US12008R1077
SecurityMX:BLDR / Builders FirstSource, Inc.
InstitutionEverSource Wealth Advisors, LLC
Latest Disclosed Ownership2,482 shares
Latest Disclosed Value $ 204,343
EverSource Wealth Advisors, LLC reports 65.80% increase in ownership of BLDR / Builders FirstSource, Inc.

On May 15, 2026 - EverSource Wealth Advisors, LLC filed a 13F-HR/A form disclosing ownership of 2,482 shares of Builders FirstSource, Inc. (MX:BLDR) valued at $204,343 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 1,497 shares of Builders FirstSource, Inc.. This represents a change in shares of 65.80% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F/A-1 BUILDERS FIRSTSOURCE INC COM Stock 12008R107 2,482 985 65.80 204 32.47 0.0009
2026-05-14 2026-03-31 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 2,489 992 86 0.0005
2026-02-06 2025-12-31 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 1,497 -90 -5.67 154 -19.79 0.0057
2025-11-10 2025-09-30 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 1,587 5 0.32 192 4.35 0.0076
2025-08-13 2025-06-30 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 1,582 1,017 180.00 185 162.86 0.0083
2025-05-13 2025-03-31 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 565 -5 -0.88 71 -13.58 0.0039
2025-02-10 2024-12-31 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 570 -3 -0.52 81 -27.03 0.0046
2024-11-08 2024-09-30 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 573 -294 -33.91 111 -23.45 0.0070
2024-08-13 2024-06-30 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 867 -25 -2.80 145 -11.04 0.0096
2024-06-11 2024-03-31 13F/A-1 BUILDERS FIRSTSOURCE INC COM Stock 12008R107 892 65 7.86 163 18.12 0.0128
2024-05-13 2024-03-31 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 827 0 138 0.0049
2024-02-09 2023-12-31 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 827 20 2.48 138 38.00 0.0126
2023-11-03 2023-09-30 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 807 -12 -1.47 100 -9.91 0.0107
2023-08-04 2023-06-30 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 819 -19 -2.27 111 50.00 0.0123
2023-05-11 2023-03-31 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 838 49 6.21 74 45.10 0.0093
2023-02-09 2022-12-31 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 789 621 369.64 51 410.00 0.0078
2022-11-07 2022-09-30 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 168 -767 -82.03 10 -80.00 0.0023
2022-08-01 2022-06-30 13F BUILDERS FIRSTSOURCE INC COM Stock 12008R107 935 935 50 0.0129
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.