Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Flagstone Financial Management 13F Holdings -- Portfolio & Top Positions (2026-06-30)

Flagstone Financial Management (CIK 1968890) reported $447.2M across 77 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: DFUS ($127.4M, 28.50%), IGIB ($44.8M, 10.03%), SPDW ($33.4M, 7.47%), SPSB ($28.2M, 6.31%), SPTI ($25.7M, 5.75%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1DFUSDIMENSIONAL ETF TRUST$127.4M28.50%1.6MAdded
2IGIBISHARES TR$44.8M10.03%843,498Added
3SPDWSPDR INDEX SHS FDS$33.4M7.47%662,916Added
4SPSBSPDR SERIES TRUST$28.2M6.31%940,715Added
5SPTISPDR SERIES TRUST$25.7M5.75%905,461Added
6AVUVAMERICAN CENTY ETF TR$24.4M5.45%195,332Added
7BNDXVANGUARD CHARLOTTE FDS$24.0M5.38%496,358Added
8DFEMDIMENSIONAL ETF TRUST$19.4M4.34%477,389Trimmed
9AVUSAMERICAN CENTY ETF TR$16.9M3.79%132,214Trimmed
10AVDVAMERICAN CENTY ETF TR$15.3M3.42%148,297Added
11VNQVANGUARD INDEX FDS$11.7M2.61%120,870Added
12MUNIPIMCO ETF TR$9.9M2.21%187,771Added
13AVEMAMERICAN CENTY ETF TR$8.5M1.90%88,013Trimmed
14BRK/BBERKSHIRE HATHAWAY INC DEL$6.1M1.35%12,096Trimmed
15AVDEAMERICAN CENTY ETF TR$4.5M1.01%50,816Trimmed
16MUBISHARES TR$3.4M0.75%31,197Added
17AAPLAPPLE INC$3.3M0.74%11,485Trimmed
18DFSUDIMENSIONAL ETF TRUST$2.6M0.58%55,686Added
19SPTMSPDR SERIES TRUST$2.3M0.51%25,023Hold
20SUSBISHARES TR$2.2M0.50%89,945Added
21JPMJPMORGAN CHASE & CO$2.2M0.49%6,694Hold
22MSFTMICROSOFT CORP$1.9M0.43%5,100Added
23USBUS BANCORP$1.4M0.32%23,693Trimmed
24AVREAMERICAN CENTY ETF TR$1.4M0.31%29,006Added
25DFSVDIMENSIONAL ETF TRUST$1.4M0.31%35,430Trimmed

Source: SEC Form 13F filings · as of 2026-06-30