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Broad Run Investment Management, LLC

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13F filer, CIK 1568621, ARLINGTON, VA

Broad Run Investment Management, LLC reported $567,861,853 across 24 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 76.95% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001568621-26-000005

Period
2026-03-31
Reported value
$568M
Holdings
24
Top 10 weight
76.95%
New
1
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SUNBnew+704,530$44.2M
BAMadded+200,281$8.9M
MKLadded+184$352K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
ASTSreduced-108,743-$9.01M
GOOGreduced-12,363-$3.55M
AMATreduced-8,783-$3M
ITOTexited-18,657-$2.77M
ORLYreduced-20,066-$1.85M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001568621-26-000005, largest first. % of portfolio is the value over $567,861,853, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
ASTSAST SPACEMOBILE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 3,799,086 shares; 2024Q4: 3,773,407 shares; 2025Q1: 3,756,229 shares; 2025Q2: 3,682,428 shares; 2025Q3: 3,557,413 shares; 2025Q4: 1,571,837 shares; 2026Q1: 1,463,094 shares 1,463,094$121M21.35%-108,743Timeline
AMATAPPLIED MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 219,453 shares; 2024Q4: 217,352 shares; 2025Q1: 205,439 shares; 2025Q2: 172,890 shares; 2025Q3: 162,214 shares; 2025Q4: 157,103 shares; 2026Q1: 148,320 shares 148,320$50.7M8.93%-8,783Timeline
BNBROOKFIELD CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,298,016 shares; 2024Q4: 1,073,486 shares; 2025Q1: 1,006,781 shares; 2025Q2: 860,134 shares; 2025Q3: 811,015 shares; 2025Q4: 1,214,963 shares; 2026Q1: 1,210,847 shares 1,210,847$49M8.63%-4,116Timeline
SUNBSUNBELT RENTALS HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 704,530 shares 704,530$44.2M7.78%newTimeline
MKLMARKEL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 33,110 shares; 2024Q4: 32,856 shares; 2025Q1: 24,408 shares; 2025Q2: 21,826 shares; 2025Q3: 20,547 shares; 2025Q4: 20,525 shares; 2026Q1: 20,709 shares 20,709$39.6M6.98%+184Timeline
ORLYOREILLY AUTOMOTIVE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 50,302 shares; 2024Q4: 45,511 shares; 2025Q1: 31,533 shares; 2025Q2: 439,149 shares; 2025Q3: 399,595 shares; 2025Q4: 398,754 shares; 2026Q1: 378,688 shares 378,688$35M6.16%-20,066Timeline
AONAON PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 169,626 shares; 2024Q4: 161,176 shares; 2025Q1: 117,085 shares; 2025Q2: 113,237 shares; 2025Q3: 106,617 shares; 2025Q4: 106,567 shares; 2026Q1: 101,157 shares 101,157$32.7M5.75%-5,410Timeline
BAMBROOKFIELD ASSET MANAGMT LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 535,161 shares; 2024Q4: 470,687 shares; 2025Q1: 452,652 shares; 2025Q2: 415,637 shares; 2025Q3: 403,610 shares; 2025Q4: 403,356 shares; 2026Q1: 603,637 shares 603,637$26.8M4.73%+200,281Timeline
HLTHILTON WORLDWIDE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 84,279 shares; 2024Q4: 80,879 shares; 2025Q1: 68,639 shares; 2025Q2: 64,139 shares; 2025Q3: 64,139 shares; 2025Q4: 64,139 shares; 2026Q1: 64,139 shares 64,139$19.5M3.43%0Timeline
AMTAMERICAN TOWER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 246,177 shares; 2024Q4: 210,435 shares; 2025Q1: 127,912 shares; 2025Q2: 120,300 shares; 2025Q3: 112,276 shares; 2025Q4: 109,875 shares; 2026Q1: 105,578 shares 105,578$18.2M3.21%-4,297Timeline
NVRNVR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 3,190 shares; 2024Q4: 3,164 shares; 2025Q1: 3,099 shares; 2025Q2: 2,921 shares; 2025Q3: 2,786 shares; 2025Q4: 2,783 shares; 2026Q1: 2,673 shares 2,673$17.6M3.1%-110Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 96,417 shares; 2024Q4: 93,455 shares; 2025Q1: 91,520 shares; 2025Q2: 82,911 shares; 2025Q3: 68,209 shares; 2025Q4: 67,914 shares; 2026Q1: 55,551 shares 55,551$15.9M2.81%-12,363Timeline
CDWCDW CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 172,493 shares; 2024Q4: 171,503 shares; 2025Q1: 152,705 shares; 2025Q2: 133,067 shares; 2025Q3: 128,518 shares; 2025Q4: 125,837 shares; 2026Q1: 124,611 shares 124,611$15.1M2.66%-1,226Timeline
SHENSHENANDOAH TELECOMMUNICATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 941,221 shares; 2024Q4: 933,623 shares; 2025Q1: 933,576 shares; 2025Q2: 920,299 shares; 2025Q3: 897,475 shares; 2025Q4: 891,096 shares; 2026Q1: 878,264 shares 878,264$13.5M2.38%-12,832Timeline
DHRDANAHER CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 70,935 shares; 2024Q4: 70,935 shares; 2025Q1: 70,935 shares; 2025Q2: 70,935 shares; 2025Q3: 70,935 shares; 2025Q4: 70,935 shares; 2026Q1: 70,935 shares 70,935$13.4M2.37%0Timeline
TDGTRANSDIGM GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 13,794 shares; 2024Q4: 13,794 shares; 2025Q1: 12,801 shares; 2025Q2: 10,801 shares; 2025Q3: 10,801 shares; 2025Q4: 10,801 shares; 2026Q1: 10,801 shares 10,801$12.5M2.2%0Timeline
CCOICOGENT COMM HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 706,987 shares; 2024Q4: 700,343 shares; 2025Q1: 698,063 shares; 2025Q2: 677,886 shares; 2025Q3: 644,030 shares; 2025Q4: 663,700 shares; 2026Q1: 663,200 shares 663,200$12.5M2.2%-500Timeline
KMXCARMAX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 672,928 shares; 2024Q4: 514,597 shares; 2025Q1: 348,317 shares; 2025Q2: 318,091 shares; 2025Q3: 300,111 shares; 2025Q4: 285,542 shares; 2026Q1: 284,385 shares 284,385$11.8M2.08%-1,157Timeline
RHRHQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 95,251 shares; 2024Q4: 73,240 shares; 2025Q1: 68,464 shares; 2025Q2: 67,060 shares; 2025Q3: 64,603 shares; 2025Q4: 63,554 shares; 2026Q1: 62,534 shares 62,534$8.74M1.54%-1,020Timeline
DISDISNEY WALT COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 60,563 shares; 2024Q4: 58,659 shares; 2025Q1: 57,349 shares; 2025Q2: 51,713 shares; 2025Q3: 42,094 shares; 2025Q4: 39,806 shares; 2026Q1: 34,270 shares 34,270$3.3M0.58%-5,536Timeline
FNDFLOOR & DECOR HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 62,000 shares; 2024Q4: 62,000 shares; 2025Q1: 62,000 shares; 2025Q2: 62,000 shares; 2025Q3: 62,000 shares; 2025Q4: 62,000 shares; 2026Q1: 62,000 shares 62,000$3.15M0.55%0Timeline
RELXRELX PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 47,000 shares; 2025Q2: 47,000 shares; 2025Q3: 47,000 shares; 2025Q4: 47,000 shares; 2026Q1: 47,000 shares 47,000$1.56M0.27%0Timeline
BNTBROOKFIELD WEALTH SOL LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 15,721 shares; 2024Q4: 15,721 shares; 2025Q1: 15,721 shares; 2025Q2: 15,721 shares; 2025Q3: 15,721 shares; 2025Q4: 23,581 shares; 2026Q1: 23,581 shares 23,581$976K0.17%0Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,754 shares; 2024Q4: 2,754 shares; 2025Q1: 2,754 shares; 2025Q2: 2,670 shares; 2025Q3: 2,535 shares; 2025Q4: 2,535 shares; 2026Q1: 2,535 shares 2,535$729K0.13%0Timeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
ITOTISHARES TR18,657$2.77Mshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001568621-26-000005 base2026-05-15acceptance time not in the bulk data set