Stocks/Funds/CIK 1568621

Broad Run Investment Management, LLC

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1568621
Assets
$568M
-5.2% YoY
Holdings
24
Lifetime alpha vs market
+0.51% annual
Average hold time
5.7 yr
median 4.9 yr

Quarterly history

Cum return +55% vs S&P +52% · α +3% lifetimeAUM $568M · peak $3.1BFlow $25M (+5%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-3.45%
trims when stocks drop
when a holding falls −10%+
Middle response
-6.31%
baseline attrition
Rally response
-11.51%
trims into rallies
when a holding rises +10%+

Top positions · 24

Ticker$ value% portYoYHold time
ASTSAST SpaceMobile, Inc.$121M21.4%+264.4%5.0 yr
AMATApplied Materials, Inc.$51M8.9%+137.6%4.8 yr
BNBrookfield Corporation$49M8.6%+16.5%3.5 yr
SUNBSunbelt Rentals Holdings$44M7.8%0.3 yr
MKLMarkel Corporation$40M7.0%+2.4%10.5 yr
ORLYO'Reilly Automotive, Inc$35M6.2%-3.4%10.5 yr
AONAon plc$33M5.7%-18.4%6.0 yr
$27M4.7%3.5 yr
HLTHilton Worldwide Holding$20M3.4%+33.9%3.5 yr
AMTAmerican Tower Corporati$18M3.2%-17.9%10.5 yr
NVRNVR, Inc.$18M3.1%-9.0%9.0 yr
GOOGAlphabet Inc.$16M2.8%+84.3%10.5 yr
CDWCDW Corporation$15M2.7%-23.2%5.5 yr
SHENShenandoah Telecommunica$14M2.4%+23.9%4.0 yr
DHRDanaher Corporation$13M2.4%-7.1%3.5 yr

Portfolio composition (YoY)

Industry mix
Communication Equipment21.4%+7.1pp$121M
Semiconductors8.9%+4.0pp$51M
Asset Management8.6%-0.2pp$49M
Financial - Credit Services7.8%$44M
Specialty Retail7.7%-2.5pp$44M
Insurance - Property & Casualty7.0%-0.6pp$40M
Insurance - Brokers5.7%-2.1pp$33M
Unknown4.9%+1.1pp$28M
Telecommunications Services4.6%-4.5pp$26M
Travel Lodging3.4%+0.8pp$20M
Country
US80.4%+1.3pp
CA8.6%-0.2pp
IE5.7%-2.1pp
Unknown4.9%+1.1pp
GB0.3%-0.1pp
Top 5: 53.7% · Top 10: 76.9% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
ASTS$85M+0.23B264.4%
AMAT$30M+0.04B137.6%
GOOG$14M+0.01B84.3%
BN$53M+0.01B16.5%
HLT$16M+0.01B33.9%

Losers

TickerPrev $PnLYoY %
CCOI$43M-0.03B-67.6%
KMX$27M-0.01B-46.6%
AON$47M-0.01B-18.4%
RH$16M-0.01B-40.4%
CDW$24M-0.01B-23.2%

Top buys this quarter · 3

SUNB Sunbelt Rentals Holdings Incnew+$46M
MKL Markel Corporation+$40M
+$0M

Top sells this quarter · 15

ASTS AST SpaceMobile, Inc.$114M
GOOG Alphabet Inc.$4M
AMAT Applied Materials, Inc.$40M
ORLY O'Reilly Automotive, Inc.$2M
AON Aon plc$2M
AMT American Tower Corporation$1M
NVR NVR, Inc.$1M
DIS The Walt Disney Company$1M
SHEN Shenandoah Telecommunications $10M
BN Brookfield Corporation$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$568M24+39.96%+17.59%+22.36%+0.02B
2025-12-31$538M24+32.13%+17.72%+14.41%-0.15B
2025-09-30$611M24+11.06%+17.52%-6.45%-0.05B
2025-06-30$653M24+30.02%+14.94%+15.08%-0.07B
2025-03-31$599M24+7.73%+8.30%-0.57%-0.10B
2024-12-31$736M24+17.70%+24.89%-7.19%-0.05B
2024-09-30$828M24+38.48%+36.04%+2.44%-0.04B
2024-06-30$730M25+9.97%+24.49%-14.52%-0.08B
2024-03-31$814M26+21.75%+29.62%-7.88%+0.04B
2023-12-31$748M26+23.55%+26.18%-2.62%-0.10B
2023-09-30$757M25+17.34%+21.57%-4.22%-0.04B
2023-06-30$845M25+7.96%+19.42%-11.46%-0.08B
2023-03-31$839M26-15.39%-7.82%-7.58%-0.04B
2022-12-31$830M28+6.53%+7.56%-1.03%-0.14B
2022-09-30$913M22-12.89%-4.93%-7.96%-0.04B
2022-06-30$1.10B24-13.63%-16.11%+2.48%-0.12B