BUILDERS FIRSTSOURCE INC (BLDR) Institutional Ownership Changes & 13F Activity

BUILDERS FIRSTSOURCE INC (BLDR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Semper Augustus Investments Group, Turtle Creek Asset Management, Parnassus Endeavor Fund, and Brave Warrior Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2017Renaissance Technologies LLCSell-46,593557,100$8,535
Q1 2017Renaissance Technologies LLCBuy232,893603,693$8,995
Q1 2017Ancient Art (Teton Capital)Sell-86,8002,127,595$31,701
Q4 2016Ancient Art (Teton Capital)Buy1,129,9252,214,395$24,292
Q4 2016Renaissance Technologies LLCSell-5,200370,800$4,068
Q3 2016Renaissance Technologies LLCSell-646,500376,000$4,328
Q2 2016Ancient Art (Teton Capital)Buy284,7421,084,470$12,200
Q1 2016Ancient Art (Teton Capital)Buy799,728799,728$9,013
Q1 2016Renaissance Technologies LLCBuy295,9001,022,500$11,524
Q4 2015Renaissance Technologies LLCBuy286,900726,600$8,051
Q3 2015Renaissance Technologies LLCBuy114,197439,700$5,575
Q2 2015Renaissance Technologies LLCBuy313,103325,503$4,179
Q1 2015Renaissance Technologies LLCSell-17,08812,400$83
Q3 2014Renaissance Technologies LLCSell-58,71229,488$161
Q4 2013Renaissance Technologies LLCBuy88,20088,200$629

Frequently asked questions about BLDR activity

  • Which institutional owners are buying BLDR?

    Institutional owners buying BLDR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in BLDR activity?

    "Buy" means an investor increased their reported position in BLDR compared to the prior reporting period. This reflects growing exposure to BUILDERS FIRSTSOURCE INC (BLDR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in BLDR increasing?

    Institutional interest in BLDR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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