AUMdb

Broad Run Investment Management, Llc

SEC-registered Mutual Fund / Asset Manager · Small ($100M–$1B) CRD 165067 · SEC file 801-77021 · Arlington, VA · www.linkedin.com
☆ Save with Pro ADV data as of Mar 20, 2026
Regulatory AUM
$682M
Discretionary
$682M
Clients
140
Avg AUM / client
$4.9M
Accounts
140
Employees
6

AUM over time

$0 $3.3B
Aug 2012 Dec 2025

Annual snapshots from Form ADV filings · as of Mar 20, 2026

Investments (13F portfolio — 24 positions, $567,861,853)

13F period Mar 31, 2026
#IssuerClassValueShares% of 13F% of AUM
1 Ast Spacemobile Inc COM CL A $121,246,600 1,463,094 21.4% 17.8%
2 Applied Matls Inc COM $50,694,293 148,320 8.93% 7.44%
3 Brookfield Corp CL A LTD VT SH $49,002,978 1,210,847 8.63% 7.19%
4 Sunbelt Rentals Holdings Inc SHS $44,196,543 704,530 7.78% 6.48%
5 Markel Corp COM $39,638,476 20,709 6.98% 5.81%
6 Oreilly Automotive Inc COM $34,956,689 378,688 6.16% 5.13%
7 Aon Plc SHS CL A $32,651,456 101,157 5.75% 4.79%
8 Brookfield Asset Managmt Ltd CL A LMT VTG SHS $26,831,665 603,637 4.73% 3.94%
9 Hilton Worldwide Hldgs Inc COM $19,503,387 64,139 3.43% 2.86%
10 American Tower Corp New COM $18,220,651 105,578 3.21% 2.67%
11 Nvr Inc COM $17,614,616 2,673 3.1% 2.58%
12 Alphabet Inc CAP STK CL C $15,935,360 55,551 2.81% 2.34%
13 Cdw Corp COM $15,080,423 124,611 2.66% 2.21%
14 Shenandoah Telecommunication COM $13,542,831 878,264 2.38% 1.99%
15 Danaher Corporation COM $13,449,276 70,935 2.37% 1.97%
16 Transdigm Group Inc COM $12,517,927 10,801 2.2% 1.84%
17 Cogent Communications Hldgs COM NEW $12,494,688 663,200 2.2% 1.83%
18 Carmax Inc COM $11,824,728 284,385 2.08% 1.73%
19 Rh COM $8,743,504 62,534 1.54% 1.28%
20 Disney Walt Co COM $3,302,894 34,270 0.58% 0.48%
21 Floor & Decor Hldgs Inc CL A $3,149,600 62,000 0.55% 0.46%
22 Relx Plc SPONSORED ADR $1,558,050 47,000 0.27% 0.23%
23 Brookfield Wealth Sol Ltd CL A EXCHANGEAB $976,253 23,581 0.17% 0.14%
24 Alphabet Inc CAP STK CL A $728,965 2,535 0.13% 0.11%

Top 25 of 24 positions from the manager's latest Form 13F · source filing (EDGAR) ↗. 13F covers long US-listed positions only. "% of AUM" is share of the firm's total regulatory AUM (Form ADV Item 5.F).

Who they serve

Client typeClientsAUM% of AUM
Individuals (non-high net worth) 20 $9.4M 1.37%
High net worth individuals 111 $135M 19.7%
Investment companies 1 $513M 75.3%
Pooled investment vehicles (non-investment companies) 1 $7.1M 1.05%
Charitable organizations 7 $17.5M 2.56%

People (5)

roster as of Jul 20, 2026
NameRole / titleCredentialsWith firm sinceOwnership
Brian Edward Macauley Portfolio Manager/Managing Member CFA Jul 2012 (14y) 25% – 50%
David Shaffer Rainey Portfolio Manager/Managing Member CFA Jul 2012 (14y) 25% – 50%
Ira Mitchell Rothberg Portfolio Manager/Managing Member CFA Jul 2012 (14y) 25% – 50%
Bryan Hughes Adkins Chief Operating Officer & Chief Compliance Officer CFA Oct 2013 (13y) Less than 5%
Claire Simone Spirtas Hurst Registered representative Aug 2025 (1y)

Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.

Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/20/2026 1.03 MB View · PDF · Source ↗

Archived copies of the firm's regulatory filings, versioned by content hash.

Disciplinary disclosures

No disciplinary events reported on the firm's latest Form ADV filing.

How they charge

  • Percentage of assets under management

Services

  • Portfolio management for individuals/small businesses
  • Portfolio management for investment companies
  • Portfolio management for pooled investment vehicles
  • Portfolio management for businesses/institutional clients

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports it does not have custody of client funds or securities (Item 9.A).

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 20, 2026.

View current Form ADV (SEC/IAPD) ↗