Broad Run Investment Management, LLC — 13F Holdings & Portfolio

CIK 1568621 · latest 13F-HR filed 2026-08-14

Broad Run Investment Management, LLC manages $649.7M in 13F-reported U.S. long-equity assets across 24 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are ASTS (19.91%), AMAT (16.41%), SUNB (7.90%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 0, added to 11, and trimmed 3.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
1530 WILSON BLVD
SUITE 530
ARLINGTON, VA 22209
Phone
(703) 260-1260
Filing Manager
Broad Run Investment Management, LLC
ARLINGTON, VA
Signatory
Bryan H. Adkins
Chief Compliance Officer
Loading holdings…
AUM

$649.7M

Long-equity book

Holdings

24

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+0 / −0 / ↑11 / ↓3

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • APPLIED MATLS INC$56.0M +110.4%
  • AST SPACEMOBILE INC$8.1M +6.7%
  • SUNBELT RENTALS HOLDINGS INC$7.2M +16.2%
  • ALPHABET INC$3.3M +20.7%
  • CARMAX INC$3.2M +26.7%
Show all 11

Top Trims

  • SHENANDOAH TELECOMMUNICATION-$3.6M -26.7%
  • COGENT COMMUNICATIONS HLDGS-$3.3M -26.7%
  • AMERICAN TOWER CORP NEW-$1.0M -5.7%
Show all 3

New Positions

  • No new positions this quarter.
Show all 0

Exited Positions

  • No exits this quarter.
Show all 0
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 AST SPACEMOBILE INC ASTS 00217D100 $129.4M 19.91% 1,455,969 SH
2 APPLIED MATLS INC AMAT 038222105 $106.7M 16.41% 147,512 SH
3 SUNBELT RENTALS HOLDINGS INC SUNB 866966104 $51.4M 7.90% 702,078 SH
4 BROOKFIELD CORP BN 11271J107 $51.3M 7.89% 1,204,081 SH
5 MARKEL CORP MKL 570535104 $40.2M 6.19% 20,578 SH
6 OREILLY AUTOMOTIVE INC ORLY 67103H107 $34.7M 5.34% 376,817 SH
7 AON PLC AON G0403H108 $33.4M 5.14% 100,650 SH
8 BROOKFIELD ASSET MANAGMT LTD BAM 113004105 $27.0M 4.16% 602,709 SH
9 HILTON WORLDWIDE HLDGS INC HLT 43300A203 $21.2M 3.26% 64,139 SH
10 ALPHABET INC GOOG 02079K107 $19.2M 2.96% 54,423 SH
11 NVR INC NVR 62944T105 $18.1M 2.79% 2,662 SH
12 CDW CORP CDW 12514G108 $17.5M 2.69% 124,310 SH
13 AMERICAN TOWER CORP NEW AMT 03027X100 $17.2M 2.64% 105,005 SH
14 CARMAX INC KMX 143130102 $15.0M 2.31% 283,226 SH
15 TRANSDIGM GROUP INC TDG 893641100 $14.4M 2.21% 10,801 SH
16 DANAHER CORPORATION DHR 235851102 $13.5M 2.08% 70,935 SH
17 RH RH 74967X103 $10.3M 1.58% 62,357 SH
18 SHENANDOAH TELECOMMUNICATION SHEN 82312B106 $9.9M 1.53% 658,567 SH
19 COGENT COMMUNICATIONS HLDGS CCOI 19239V302 $9.2M 1.41% 660,130 SH
20 FLOOR & DECOR HLDGS INC FND 339750101 $3.7M 0.57% 62,000 SH
21 DISNEY WALT CO DIS 254687106 $3.2M 0.50% 33,559 SH
22 RELX PLC RELX 759530108 $1.5M 0.23% 47,000 SH
23 BROOKFIELD WEALTH SOL LTD BNT G17434104 $1.0M 0.15% 23,581 SH
24 ALPHABET INC GOOGL 02079K305 $905.9K 0.14% 2,535 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $649.7M 24 0001568621-26-000009
2026-03-31 2026-05-15 $567.9M 24 0001568621-26-000005
2025-12-31 2026-02-17 $538.5M 24 0001568621-26-000003
2025-09-30 2025-11-14 $610.9M 24 0001568621-25-000014