BUILDERS FIRSTSOURCE INC BLDR
COM · Common Stock · CUSIP 12008R107 · ISIN US12008R1077
Building materials company
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($30.7m this quarter). Holder counts are more reliable. Shares outstanding: 125.0m as of 2023-07-28, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $135.79. Options: 27 managers hold calls ($297.7m notional), 20 hold puts ($321.9m).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 490 |
| Q4 2022 | 518 |
| Q1 2023 | 545 |
| Q2 2023 | 663 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 214 | 280 |
| Q1 2023 | 258 | 287 |
| Q2 2023 | 352 | 308 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $51.8m | $84.5m | 1.63 |
| Q4 2022 | $64.0m | $111.2m | 1.74 |
| Q1 2023 | $101.3m | $230.5m | 2.27 |
| Q2 2023 | $297.7m | $321.9m | 1.08 |
Biggest buyers
| ALLIANCEBERNSTEIN L.P. | Added | +1.5m |
| BlackRock Inc. | Added | +1.3m |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Added | +911.8k |
| AMERIPRISE FINANCIAL INC | Added | +479.5k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Added | +416.1k |
| Man Group plc | New | +410.2k |
| Twin Tree Management, LP | Added | +368.8k |
| Sumitomo Mitsui Trust Group, Inc. | New | +358.0k |
| BARCLAYS PLC | Added | +338.8k |
| Caisse de depot et placement du Quebec | New | +338.5k |
Biggest sellers
| FMR LLC | Reduced | -15.6m |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -3.9m |
| VANGUARD GROUP INC | Reduced | -1.9m |
| Allspring Global Investments Holdings, LLC | Reduced | -1.6m |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Reduced | -1.4m |
| Conifer Management, L.L.C. | Sold out | -1.2m |
| ENVESTNET ASSET MANAGEMENT INC | Reduced | -782.7k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | -727.8k |
| Anomaly Capital Management, LP | Reduced | -717.6k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -642.7k |
Biggest calls
| PEAK6 Investments LLC | Added | $57.8m425.2k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $57.4m421.8k shares |
| CITADEL ADVISORS LLC | Added | $39.9m293.7k shares |
| SIMPLEX TRADING, LLC | Added | $22.3m164.3k shares |
| GROUP ONE TRADING LLC | Added | $17.5m128.4k shares |
| Cubist Systematic Strategies, LLC | Added | $15.5m113.7k shares |
| Squarepoint Ops LLC | Added | $15.3m112.8k shares |
| JANE STREET GROUP, LLC | Added | $14.6m107.7k shares |
| CITIGROUP INC | New | $13.6m100.0k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $9.2m67.3k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $83.2m611.4k shares |
| Flat Footed LLC | Added | $49.4m363.3k shares |
| READYSTATE ASSET MANAGEMENT LP | Added | $40.2m295.4k shares |
| Squarepoint Ops LLC | Reduced | $39.9m293.7k shares |
| CITADEL ADVISORS LLC | Reduced | $28.9m212.3k shares |
| PEAK6 Investments LLC | Added | $22.1m162.8k shares |
| CITIGROUP INC | Reduced | $18.4m135.0k shares |
| Cubist Systematic Strategies, LLC | Added | $10.4m76.7k shares |
| Balyasny Asset Management L.P. | Reduced | $8.2m60.0k shares |
| WOLVERINE TRADING, LLC | Added | $5.9m43.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +4.5 pts · filed 2026-10-05 | 12.0% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.2% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC), FMR LLC (3.3%, 2025-12-05)
Insider purchases and sales in Q2 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 1 | $3.0m | — |
| Q1 2022 | 0 | — | 1 | $2.3m | — |
| Q2 2022 | 0 | — | 1 | $1.9m | — |
| Q3 2022 | 0 | — | 1 | $257.2k | — |
| Q4 2022 | 0 | — | 1 | $220.9k | — |
| Q1 2023 | 0 | — | 1 | $255.0k | — |
| Q2 2023 | 0 | — | 3 | $2.6m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-06-06 | Beckmann Jami Principal Accounting Officer | Sold | $241.4k2.0k shares |
| 2023-06-06 | Beckmann Jami Principal Accounting Officer | Sold | $241.1k2.0k shares |
| 2023-05-05 | FARMER MICHAEL ALAN President - Commercial Ops | Sold | $1.4m12.5k shares |
| 2023-05-05 | Hiller Michael President - Central Division | Sold | $776.1k7.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.06% of their portfolio | 15.0m $2.0bn | Added +1.3m |
| VANGUARD GROUP INC 0.04% of their portfolio | 12.6m $1.7bn | Reduced -1.9m |
| WELLINGTON MANAGEMENT GROUP LLP 0.24% of their portfolio | 9.3m $1.3bn | Reduced -3.9m |
| FMR LLC 0.06% of their portfolio | 5.3m $725.0m | Reduced -15.6m |
| STATE STREET CORP 0.03% of their portfolio | 4.8m $650.7m | Added +232.1k |
| DIMENSIONAL FUND ADVISORS LP 0.18% of their portfolio | 4.2m $573.8m | Reduced -158.0k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1.18% of their portfolio | 2.7m $367.7m | Reduced -1.4m |
| ALLIANCEBERNSTEIN L.P. 0.13% of their portfolio | 2.3m $313.5m | Added +1.5m |
| GEODE CAPITAL MANAGEMENT, LLC 0.03% of their portfolio | 2.0m $274.0m | Reduced -126.7k |
| Pacer Advisors, Inc. 1.07% of their portfolio | 1.9m $264.6m | Reduced -404.4k |
| ASSETMARK, INC 0.94% of their portfolio | 1.8m $238.5m | Added +126.7k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 1.42% of their portfolio | 1.6m $223.4m | Added +911.8k |
| Southpoint Capital Advisors LP 4.72% of their portfolio | 1.6m $217.6m | Added +300.0k |
| Bank of New York Mellon Corp 0.04% of their portfolio | 1.4m $190.7m | Reduced -62.7k |
| FRONTIER CAPITAL MANAGEMENT CO LLC 1.81% of their portfolio | 1.4m $188.6m | Reduced -120.5k |
| AQR CAPITAL MANAGEMENT LLC 0.38% of their portfolio | 1.3m $179.1m | Reduced -134.3k |
| MORGAN STANLEY 0.02% of their portfolio | 1.2m $163.5m | Added +67.3k |
| NORGES BANK 0.03% of their portfolio | 1.2m $159.3m | Reduced -144.9k |
| NORTHERN TRUST CORP 0.03% of their portfolio | 1.2m $157.0m | Added +59.4k |
| Invesco Ltd. 0.04% of their portfolio | 1.1m $147.1m | Added +259.7k |
| Artemis Investment Management LLP 1.80% of their portfolio | 1.0m $141.2m | Added +228.4k |
| DENDUR CAPITAL LP 22.06% of their portfolio | 1.0m $136.7m | Reduced -502.5k |
| Boston Partners 0.17% of their portfolio | 910.9k $122.9m | Reduced -211.6k |
| Evercore Wealth Management, LLC 2.25% of their portfolio | 903.2k $122.8m | Reduced -31.6k |
| LORD, ABBETT & CO. LLC 0.21% of their portfolio | 895.7k $121.8m | Added +10.6k |
| Anomaly Capital Management, LP 4.36% of their portfolio | 830.1k $112.9m | Reduced -717.6k |
| AMERIPRISE FINANCIAL INC 0.03% of their portfolio | 789.9k $107.4m | Added +479.5k |
| ROBOTTI ROBERT 16.97% of their portfolio | 773.0k $105.1m | Reduced -592.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.03% of their portfolio | 763.2k $103.8m | Reduced -107.5k |
| Capital World Investors 0.02% of their portfolio | 760.2k $103.4m | Unchanged |
| Mirae Asset Global Investments Co., Ltd. 0.21% of their portfolio | 722.2k $98.2m | Added +68.4k |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC 1.44% of their portfolio | 712.6k $96.9m | Reduced -52.5k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 687.2k $93.5m | Reduced -36.2k |
| Legal & General Group Plc 0.03% of their portfolio | 654.2k $89.0m | Added +320.2k |
| Nuveen Asset Management, LLC 0.03% of their portfolio | 579.7k $78.8m | Reduced -27.9k |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 562.5k $76.5m | Reduced -118.0k |
| DEUTSCHE BANK AG\ 0.04% of their portfolio | 550.5k $74.9m | Added +206.0k |
| LSV ASSET MANAGEMENT 0.15% of their portfolio | 511.6k $69.6m | Added +54.7k |
| NEUBERGER BERMAN GROUP LLC 0.06% of their portfolio | 510.2k $69.4m | Reduced -4.9k |
| Swiss National Bank 0.05% of their portfolio | 498.4k $67.8m | Added +183.1k |
| PICTET ASSET MANAGEMENT SA 0.08% of their portfolio | 495.3k $67.4m | Added +261.5k |
| PRINCIPAL FINANCIAL GROUP INC 0.05% of their portfolio | 494.2k $67.2m | Reduced -88.1k |
| MILLENNIUM MANAGEMENT LLC 0.07% of their portfolio | 494.1k $67.2m | Added +253.0k |
| Balyasny Asset Management L.P. 0.18% of their portfolio | 480.7k $65.4m | Added +203.7k |
| SAMLYN CAPITAL, LLC 1.12% of their portfolio | 473.7k $64.4m | Reduced -147.2k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 460.8k $62.7m | Reduced -65.6k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.36% of their portfolio | 460.7k $62.7m | Added +416.1k |
| BARCLAYS PLC 0.04% of their portfolio | 436.5k $59.4m | Added +338.8k |
| ROYAL BANK OF CANADA 0.02% of their portfolio | 431.9k $58.7m | Added +257.3k |
| COOKSON PEIRCE & CO INC 3.49% of their portfolio | 420.2k $57.2m | Added +4.0k |
| FIRST TRUST ADVISORS LP 0.06% of their portfolio | 420.2k $57.1m | Added +9.6k |
| Man Group plc 0.17% of their portfolio | 410.2k $55.8m | New |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.02% of their portfolio | 408.6k $55.6m | Reduced -727.8k |
| RHUMBLINE ADVISERS 0.06% of their portfolio | 390.7k $53.1m | Reduced -45.8k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.30% of their portfolio | 390.6k $53.1m | Added +1.1k |
| Twin Tree Management, LP 1.03% of their portfolio | 368.9k $50.2m | Added +368.8k |
| Sumitomo Mitsui Trust Group, Inc. 0.04% of their portfolio | 358.0k $48.7m | New |
| COMMERCE BANK 0.36% of their portfolio | 355.0k $48.3m | Added +10.8k |
| Caisse de depot et placement du Quebec 0.12% of their portfolio | 338.5k $46.0m | New |
| VICTORY CAPITAL MANAGEMENT INC 0.05% of their portfolio | 336.2k $45.7m | Reduced -141.6k |
| RENAISSANCE TECHNOLOGIES LLC 0.06% of their portfolio | 331.1k $45.0m | Reduced -642.7k |
| Brandywine Global Investment Management, LLC 0.37% of their portfolio | 328.7k $44.7m | Reduced -346.2k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 317.4k $43.2m | Reduced -17.5k |
| PANAGORA ASSET MANAGEMENT INC 0.25% of their portfolio | 313.7k $42.7m | Added +140.6k |
| Duquesne Family Office LLC 1.47% of their portfolio | 310.3k $42.2m | New |
| Hill City Capital, LP 6.24% of their portfolio | 300.0k $40.8m | Unchanged |
| Retirement Systems of Alabama 0.18% of their portfolio | 297.7k $40.5m | Reduced -49.9k |
| HRT FINANCIAL LP 0.39% of their portfolio | 297.5k $40.5m | New |
| JB CAPITAL PARTNERS LP 8.57% of their portfolio | 292.3k $39.7m | Unchanged |
| Korea Investment CORP 0.11% of their portfolio | 290.6k $39.5m | New |
| CITIGROUP INC 0.05% of their portfolio | 282.5k $38.4m | Added +149.0k |
| Driehaus Capital Management LLC 0.48% of their portfolio | 281.4k $38.3m | Reduced -7.8k |
| FRANKLIN RESOURCES INC 0.02% of their portfolio | 279.2k $38.0m | Added +108.1k |
| Mitsubishi UFJ Trust & Banking Corp 0.09% of their portfolio | 273.0k $37.1m | Added +248.7k |
| VIRGINIA RETIREMENT SYSTEMS ET Al 0.34% of their portfolio | 262.9k $35.8m | Added +217.9k |
| RBF Capital, LLC 2.19% of their portfolio | 258.7k $35.2m | Unchanged |
| California Public Employees Retirement System 0.03% of their portfolio | 256.5k $34.9m | Reduced -28.2k |
| AMERICAN CENTURY COMPANIES INC 0.03% of their portfolio | 252.8k $34.4m | Added +9.1k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.05% of their portfolio | 250.9k $34.1m | Added +234.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 242.0k $21.5m | Unchanged |
| Fisher Asset Management, LLC 0.02% of their portfolio | 231.2k $31.4m | Reduced -45.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.04% of their portfolio | 224.3k $30.5m | Added +41.5k |
| THOMPSON SIEGEL & WALMSLEY LLC 0.47% of their portfolio | 214.9k $29.2m | Reduced -272.5k |
| CREDIT SUISSE AG/ 0.03% of their portfolio | 213.2k $29.0m | Added +74.2k |
| Amundi 0.01% of their portfolio | 213.1k $29.1m | Reduced -18.5k |
| Russell Investments Group, Ltd. 0.06% of their portfolio | 210.5k $28.6m | Added +150.7k |
| ROYCE & ASSOCIATES LP 0.28% of their portfolio | 210.4k $28.6m | Reduced -28.7k |
| GOLDENTREE ASSET MANAGEMENT LP 2.60% of their portfolio | 210.4k $28.6m | Reduced -322.4k |
| TEACHER RETIREMENT SYSTEM OF TEXAS 0.19% of their portfolio | 210.0k $28.6m | Added +158.4k |
| National Pension Service 0.05% of their portfolio | 206.6k $28.1m | New |
| PUTNAM INVESTMENTS LLC 0.04% of their portfolio | 196.5k $26.7m | New |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.06% of their portfolio | 196.4k $26.7m | Reduced -23.6k |
| AMERICAN INTERNATIONAL GROUP, INC. 0.16% of their portfolio | 193.3k $26.3m | Reduced -33.8k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.10% of their portfolio | 188.0k $25.6m | New |
| Assenagon Asset Management S.A. 0.10% of their portfolio | 183.1k $24.9m | New |
| Schonfeld Strategic Advisors LLC 0.21% of their portfolio | 182.4k $24.8m | Added +102.0k |
| GoodHaven Capital Management, LLC 14.04% of their portfolio | 172.2k $23.4m | Reduced -200 |
| Woodson Capital Management, LP 3.85% of their portfolio | 170.0k $23.1m | Reduced -200.0k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.03% of their portfolio | 154.9k $21.1m | Reduced -74.6k |
| JANE STREET GROUP, LLC 0.03% of their portfolio | 153.8k $20.9m | Added +2.8k |