Broad Run Investment Management, LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Broad Run Investment Management, LLC reported 24 stock positions worth $567.9 million. Its top holding was Ast Spacemobile (ASTS) at 21.4% of the portfolio, followed by Applied Materials (AMAT, 8.9%) and Brookfield (BN, 8.6%). Compared with Q4 2025, it opened 1 new position, sold out of 1, added to 2 and reduced 14. The biggest buy was a new position in Sunbelt Rentals (SUNB) and the biggest sale Brookfield (BN, shares −0%).

Most Recent 13F
Q2 2026
Location
ARLINGTON, VA
CIK
0001568621
Portfolio Value
$567.9M (Q1 2026)
SEC Filing
0001568621-26-000005 ↗ filed May 15, 2026

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 Q1 2025 Q2 2025: $652.8M Q2 2025 Q3 2025: $610.9M Q3 2025 Q4 2025: $538.5M Q4 2025 Q1 2026: $567.9M $567.9M Q1 2026 Q2 2026: $649.7M Q2 2026

Holdings 24 stocks · $567.9M

ASTS Ast Spacemobile Inc. 21.35% 1,463,094 $121.2M Reduce -6.9%
AMAT Applied Materials Inc. 8.93% 148,320 $50.7M Reduce -5.6%
BN Brookfield Corp. 8.63% 1,210,847 $49.0M Reduce -0.3%
SUNB Sunbelt Rentals Holdings Inc. 7.78% 704,530 $44.2M New
MKL Markel Group Inc. 6.98% 20,709 $39.6M Add +0.9%
ORLY O'reilly Automotive Inc. 6.16% 378,688 $35.0M Reduce -5.0%
AON Aon PLC Class A 5.75% 101,157 $32.7M Reduce -5.1%
BAM Brookfield Asset Mgmt-A 4.72% 603,637 $26.8M Add +49.6%
HLT Hilton Worldwide Holdings Inc. 3.43% 64,139 $19.5M No change
AMT American Tower Corp. 3.21% 105,578 $18.2M Reduce -3.9%
NVR NVR Inc. 3.10% 2,673 $17.6M Reduce -4.0%
GOOG Alphabet Inc. Class C 2.81% 55,551 $15.9M Reduce -18.2%
CDW CDW Corp. 2.66% 124,611 $15.1M Reduce -1.0%
SHEN Shenandoah Telecommunication 2.38% 878,264 $13.5M Reduce -1.4%
DHR Danaher Corp. 2.37% 70,935 $13.4M No change
TDG Transdigm Group Inc. 2.20% 10,801 $12.5M No change
CCOI Cogent Communications Holdin 2.20% 663,200 $12.5M Reduce -0.1%
KMX Carmax Inc. 2.08% 284,385 $11.8M Reduce -0.4%
RH RH 1.54% 62,534 $8.7M Reduce -1.6%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.58% 34,270 $3.3M Reduce -13.9%
FND Floor & Decor Holdings Inc. Class A 0.55% 62,000 $3.1M No change
RELX Relx PLC - Spon ADR 0.27% 47,000 $1.6M No change
BNT Brookfield Wealth Solutions 0.17% 23,581 $976K No change
GOOGL Alphabet Inc. Class A 0.13% 2,535 $729K No change

Portfolio Sells Q4 2025 → Q1 2026

BN Brookfield Corp. Reduce -0.3% 8.63% −1.72
AON Aon PLC Class A Reduce -5.1% 5.75% −1.23
GOOG Alphabet Inc. Class C Reduce -18.2% 2.81% −1.15
NVR NVR Inc. Reduce -4.0% 3.10% −0.67
ORLY O'reilly Automotive Inc. Reduce -5.0% 6.16% −0.60
RH RH Reduce -1.6% 1.54% −0.57
CDW CDW Corp. Reduce -1.0% 2.66% −0.53
ITOT iShares Core S&P Total U.S. Sold out 0.00% −0.52
CCOI Cogent Communications Holdin Reduce -0.1% 2.20% −0.46
AMT American Tower Corp. Reduce -3.9% 3.21% −0.37
DIS The Walt Disney Co. Reduce -13.9% 0.58% −0.26
KMX Carmax Inc. Reduce -0.4% 2.08% +0.03
ASTS Ast Spacemobile Inc. Reduce -6.9% 21.35% +0.15
SHEN Shenandoah Telecommunication Reduce -1.4% 2.38% +0.47
AMAT Applied Materials Inc. Reduce -5.6% 8.93% +1.43

Portfolio Buys Q4 2025 → Q1 2026

SUNB Sunbelt Rentals Holdings Inc. New 7.78% +7.78
BAM Brookfield Asset Mgmt-A Add +49.6% 4.72% +0.80
MKL Markel Group Inc. Add +0.9% 6.98% −1.21

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