Broad Run Investment Management, LLC

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), Broad Run Investment Management, LLC reported 24 stock positions worth $599.0 million. Its top holding was Ast Spacemobile (ASTS) at 14.3% of the portfolio, followed by Brookfield (BN, 8.8%) and Aon Class A (AON, 7.8%). Compared with Q4 2024, it opened 1 new position, sold out of 1 and reduced 19. The biggest buy was a new position in Relx PLC - Spon ADR (RELX) and the biggest sale Encore Capital (ECPG, shares −30%).

Most Recent 13F
Q2 2026
Location
ARLINGTON, VA
CIK
0001568621
Portfolio Value
$599.0M (Q1 2025)
SEC Filing
0001568621-25-000007 ↗ filed May 15, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $814.1M Q1 2024 Q2 2024: $730.2M Q2 2024 Q3 2024: $828.4M Q3 2024 Q4 2024: $736.0M Q4 2024 Q1 2025: $599.0M $599.0M Q1 2025 Q2 2025: $652.8M Q2 2025 Q3 2025: $610.9M Q3 2025 Q4 2025: $538.5M Q4 2025 Q1 2026: $567.9M Q1 2026 Q2 2026: $649.7M Q2 2026

Holdings 24 stocks · $599.0M

ASTS Ast Spacemobile Inc. 14.26% 3,756,229 $85.4M Reduce -0.5%
BN Brookfield Corp. 8.81% 1,006,781 $52.8M Reduce -6.2%
AON Aon PLC Class A 7.80% 117,085 $46.7M Reduce -27.4%
MKL Markel Group Inc. 7.62% 24,408 $45.6M Reduce -25.7%
ORLY O'reilly Automotive Inc. 7.54% 31,533 $45.2M Reduce -30.7%
CCOI Cogent Communications Holdin 7.14% 698,063 $42.8M Reduce -0.3%
AMAT Applied Materials Inc. 4.98% 205,439 $29.8M Reduce -5.5%
AMT American Tower Corp. 4.65% 127,912 $27.8M Reduce -39.2%
KMX Carmax Inc. 4.53% 348,317 $27.1M Reduce -32.3%
CDW CDW Corp. 4.09% 152,705 $24.5M Reduce -11.0%
ECPG Encore Capital Group Inc. 3.78% 660,661 $22.6M Reduce -30.4%
NVR NVR Inc. 3.75% 3,099 $22.5M Reduce -2.0%
BAM Brookfield Asset Mgmt-A 3.66% 452,652 $21.9M Reduce -3.8%
TDG Transdigm Group Inc. 2.96% 12,801 $17.7M Reduce -7.2%
RH RH 2.68% 68,464 $16.0M Reduce -6.5%
HLT Hilton Worldwide Holdings Inc. 2.61% 68,639 $15.6M Reduce -15.1%
DHR Danaher Corp. 2.43% 70,935 $14.5M No change
GOOG Alphabet Inc. Class C 2.39% 91,520 $14.3M Reduce -2.1%
SHEN Shenandoah Telecommunication 1.96% 933,576 $11.7M Reduce -0.0%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.94% 57,349 $5.7M Reduce -2.2%
FND Floor & Decor Holdings Inc. Class A 0.83% 62,000 $5.0M No change
RELX Relx PLC - Spon ADR 0.40% 47,000 $2.4M New
BNT Brookfield Wealth Solutions 0.14% 15,721 $820K No change
GOOGL Alphabet Inc. Class A 0.07% 2,754 $426K No change

Portfolio Sells Q4 2024 → Q1 2025

ECPG Encore Capital Group Inc. Reduce -30.4% 3.78% −2.38
RH RH Reduce -6.5% 2.68% −1.24
KMX Carmax Inc. Reduce -32.3% 4.53% −1.19
AMT American Tower Corp. Reduce -39.2% 4.65% −0.60
WMG Warner Music Group Corp. Class A Sold out 0.00% −0.45
CCOI Cogent Communications Holdin Reduce -0.3% 7.14% −0.19
HLT Hilton Worldwide Holdings Inc. Reduce -15.1% 2.61% −0.11
MKL Markel Group Inc. Reduce -25.7% 7.62% −0.09
AON Aon PLC Class A Reduce -27.4% 7.80% −0.06
GOOG Alphabet Inc. Class C Reduce -2.1% 2.39% −0.03
CDW CDW Corp. Reduce -11.0% 4.09% +0.03
DIS The Walt Disney Co. Reduce -2.2% 0.94% +0.06
AMAT Applied Materials Inc. Reduce -5.5% 4.98% +0.17
BAM Brookfield Asset Mgmt-A Reduce -3.8% 3.66% +0.20
ORLY O'reilly Automotive Inc. Reduce -30.7% 7.54% +0.21
NVR NVR Inc. Reduce -2.0% 3.75% +0.23
SHEN Shenandoah Telecommunication Reduce -0.0% 1.96% +0.36
BN Brookfield Corp. Reduce -6.2% 8.81% +0.43
TDG Transdigm Group Inc. Reduce -7.2% 2.96% +0.58
ASTS Ast Spacemobile Inc. Reduce -0.5% 14.26% +3.44

Portfolio Buys Q4 2024 → Q1 2025

RELX Relx PLC - Spon ADR New 0.40% +0.40

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 24$649.7MASTS, AMAT, SUNB, BN, MKL
Q1 2026 24$567.9MASTS, AMAT, BN, SUNB, MKL
Q4 2025 24$538.5MASTS, BN, MKL, AMAT, AON
Q3 2025 24$610.9MASTS, BN, ORLY, MKL, AON
Q2 2025 24$652.8MASTS, BN, MKL, AON, ORLY
Q1 2025 24$599.0MASTS, BN, AON, MKL, ORLY
Q4 2024 24$736.0MASTS, BN, AON, MKL, CCOI
Q3 2024 24$828.4MASTS, BN, AON, ORLY, AMT
Q2 2024 25$730.2MBN, MKL, AMAT, ORLY, AON
Q1 2024 26$814.1MBN, MKL, AON, ORLY, KMX