BLDRBuilders FirstSource

$52.86-59% 1Y
Latest close: a new 52-week lowOct 9, 2026what changed →

Who owns BLDR

661 institutions reported holding BLDR for 2026Q2, together 98% of the company, fewer than the 714 a quarter earlier.

661

Institutions reporting a position · as of 2026Q2 · down from 714 the quarter before

Shares held by institutions
107.1M

Shares held by institutions · 98% of the company · long US equity positions only, as reported on Form 13F

Reported value
$9.58B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
29%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
98
Positions exited
152
Added to
223
Reduced
244
Top 10 holdersof the company
44%
Shares sold shortsettled Sep 15, 2026
8.9M
Short interestof shares outstanding
8.1%
Days to coverat the average daily volume
3.4
Change in the short positionsince the Aug 31, 2026 count
+14%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2661107.1M$9.58B
2026Q1714105.5M$8.69B
2025Q4757104.6M$10.8B
2025Q3766111.6M$13.5B
2025Q2759108.1M$12.6B
2025Q1775108.0M$13.7B
2024Q4803107.5M$15.4B
2024Q3819109.9M$21.2B
2024Q2766108.6M$15.0B
2024Q1843111.9M$23.2B
2023Q4728114.7M$19.1B
2023Q3662115.9M$14.4B
2023Q2650118.4M$16.1B
2023Q1537129.9M$11.5B
2022Q4512139.0M$9.02B
2022Q3486149.5M$8.81B
Largest reported holders, 2026Q2
HolderShares% of companyValue
VANGUARD GROUP INC12.0M11%$1.07B
BlackRock Inc.7.8M7.1%$701M
STATE STREET CORP4.8M4.4%$433M
Capital International Investors3.9M3.6%$350M
Pictet Asset Management Holding SA3.8M3.5%$340M
WELLINGTON MANAGEMENT GROUP LLP3.5M3.2%$310M
DIMENSIONAL FUND ADVISORS LP3.4M3.1%$308M
Invesco Ltd.3.3M3.0%$299M
GEODE CAPITAL MANAGEMENT LLC2.8M2.6%$253M
Coliseum Capital Management, LLC2.6M2.4%$232M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20268.9M8.1%3.4
Aug 31, 20267.8M7.1%4.4
Aug 14, 20267.3M6.6%3.8
Jul 31, 20268.0M7.3%3.0
Jul 15, 20267.2M6.6%3.6
Jun 30, 20267.6M6.9%2.9
Jun 15, 20267.9M7.2%3.6
May 29, 20268.8M8.0%2.6
May 15, 20268.7M7.9%2.9
Apr 30, 20268.1M7.3%3.1
Apr 15, 20267.2M6.6%3.8
Mar 31, 20267.1M6.4%3.3

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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