Flagstone Financial Management

CIK: 0001968890Latest portfolio: $389.9M · Q4 2025

Holdings

66

Total Value

$389.9M

New Positions

66

Closed Positions

0

#StockSharesValue% PortfolioChangeType
1
DFUSDIMENSIONAL ETF TRUST
1,486,333$110.2M28.27%NEW
2
IGIBISHARES TR
760,236$41.0M10.51%NEW
3
SPDWSPDR INDEX SHS FDS
657,191$29.2M7.48%NEW
4
SPSBSPDR SERIES TRUST
852,175$25.7M6.60%NEW
5
SPTISPDR SERIES TRUST
822,162$23.7M6.08%NEW
6
BNDXVANGUARD CHARLOTTE FDS
438,274$21.2M5.43%NEW
7
AVUVAMERICAN CENTY ETF TR
191,469$19.5M5.01%NEW
8
DFEMDIMENSIONAL ETF TRUST
492,792$16.3M4.18%NEW
9
AVUSAMERICAN CENTY ETF TR
133,728$14.9M3.83%NEW
10
AVDVAMERICAN CENTY ETF TR
154,223$14.5M3.72%NEW
11
VNQVANGUARD INDEX FDS
112,150$9.9M2.55%NEW
12
AVEMAMERICAN CENTY ETF TR
94,704$7.3M1.87%NEW
13
BRK/BBERKSHIRE HATHAWAY INC DEL
12,189$6.1M1.57%NEW
14
MUNIPIMCO ETF TR
115,713$6.1M1.56%NEW
15
AVDEAMERICAN CENTY ETF TR
52,904$4.4M1.12%NEW
16
MUBISHARES TR
29,842$3.2M0.82%NEW
17
AAPLAPPLE INC
11,583$3.1M0.81%NEW
18
MSFTMICROSOFT CORP
5,155$2.5M0.64%NEW
19
DFSUDIMENSIONAL ETF TRUST
51,893$2.3M0.58%NEW
20
SUSBISHARES TR
86,842$2.2M0.56%NEW
21
SPTMSPDR SERIES TRUST
25,023$2.1M0.53%NEW
22
USBUS BANCORP DEL
24,526$1.3M0.34%NEW
23
AVREAMERICAN CENTY ETF TR
28,087$1.2M0.31%NEW
24
JPMJPMORGAN CHASE & CO.
3,542$1.1M0.29%NEW
25
WFCWELLS FARGO CO NEW
11,846$1.1M0.28%NEW

Quarterly Changes

New Positions

Closed Positions

No closed positions this quarter

Sector Breakdown

Financial Services0.0% ($1.1024140961291852e+157T)
Technology0.0% ($31482493.9T)
Unknown0.0% ($6126.8T)
Industrials0.0% ($480.3T)
Communication Services0.0% ($902.3B)
Consumer Defensive0.0% ($305.3M)
Energy0.0% ($803K)
Healthcare0.0% ($374K)
Real Estate0.0% ($367K)
Consumer Cyclical0.0% ($339K)

Filing History

QuarterFiling DatePortfolio ValueHoldings
Q4 2025Feb 9, 2026$389.9M66
Q3 2025Oct 31, 2025$379.0B0
Q2 2025Jul 29, 2025$348.9B59
Q1 2025Apr 21, 2025$310.5B53

Fund Information

CIK0001968890
Most Recent FilingFeb 9, 2026
Number of Filings4

Flagstone Financial Management is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $389.9M across 66 holdings. The largest position is DIMENSIONAL ETF TRUST (DFUS), representing 28.3% of the portfolio. Compared to the previous quarter, the fund opened 66 new positions and closed 0 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.