13F Insight
DOSSIER · 13F-HR · Q2 2026

Flagstone Financial Management

$447M in tracked AUM across 77 positions as of Q2 2026.

FF
CIK 0001968890 · last filed Jun 30, 2026
Total AUM
$447M
as of Q2 2026
Holdings
77
—
positions
Whale Score
68
68
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026

Flagstone Financial Management filed its latest 13F-HR for Q2 2026. See the latest holdings and position changes below.

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
DFUS
DIMENSIONAL ETF TRUST
$127M1.6M28.5%02
IGIB
ISHARES TR
$45M843K10.0%03
SPDW
SPDR INDEX SHS FDS
$33M663K7.5%04
SPSB
SPDR SERIES TRUST
$28M941K6.3%05
SPTI
SPDR SERIES TRUST
$26M905K5.7%06
AVUV
AMERICAN CENTY ETF TR
$24M195K5.4%07
BNDX
VANGUARD CHARLOTTE FDS
$24M496K5.4%08
DFEM
DIMENSIONAL ETF TRUST
$19M477K4.3%09
AVUS
AMERICAN CENTY ETF TR
$17M132K3.8%10
AVDV
AMERICAN CENTY ETF TR
$15M148K3.4%

Filing history

2026Q2Jun 30
$447M▲ 11.0%
77 positionsView →2026Q1Mar 31
$403M▲ 3.3%
71 positionsView →2025Q4Dec 31
$390M▲ 2.9%
66 positionsView →2025Q3Sep 30
$379M▲ 8.6%
62 positionsView →2025Q2Jun 30
$349M▲ 12.4%
59 positionsLocked2025Q1Mar 31
$310M▲ 3.2%
53 positionsLocked2024Q4Dec 31
$301M▲ 0.9%
54 positionsLocked2024Q3Sep 30
$298M▲ 10.9%
53 positionsLocked2024Q2Jun 30
$269M▲ 3.9%
45 positionsLocked2024Q1Mar 31
$259M▲ 6.0%
43 positionsLocked2023Q4Dec 31
$244M▲ 11.7%
44 positionsLocked2023Q3Sep 30
$219M▲ 2.7%
37 positionsLocked
Showing 12 of 15