Flagstone Financial Management — 13F Holdings & Portfolio
CIK 1968890 · latest 13F-HR filed 2026-07-21
Flagstone Financial Management manages $447.2M in 13F-reported U.S. long-equity assets across 77 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are DFUS (28.50%), IGIB (10.03%), SPDW (7.47%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 6 new positions, exited 0, added to 44, and trimmed 8.
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.
LINCOLN, NE 68516
$447.2M
Long-equity book
77
Distinct positions
2026-06-30
Filed 2026-07-21
+6 / −0 / ↑44 / ↓8
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- DIMENSIONAL ETF TRUST$18.9M +17.4%
- SPDR INDEX SHS FDS$3.7M +12.4%
- AMERICAN CENTY ETF TR$3.0M +14.0%
- DIMENSIONAL ETF TRUST$2.5M +15.1%
- AMERICAN CENTY ETF TR$2.0M +13.0%
Top Trims
- EXXON MOBIL CORP-$264.3K -22.8%
- PEPSICO INC-$67.6K -12.8%
- VERIZON COMMUNICATIONS INC-$51.5K -15.5%
- VANGUARD TAX-MANAGED FDS-$51.2K -12.1%
- WALMART INC-$30.2K -8.9%
New Positions
- APPLIED MATLS INC$360.8K
- SEAGATE TECHNOLOGY HLDNGS PL$352.2K
- PALO ALTO NETWORKS INC$228.5K
- VISA INC$221.7K
- DOMINION ENERGY INC$218.5K
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 | DIMENSIONAL ETF TRUST | DFUS | 25434V401 | $127.4M | 28.50% | 1,555,365 | SH |
| 2 | ISHARES TR | IGIB | 464288638 | $44.8M | 10.03% | 843,498 | SH |
| 3 | SPDR INDEX SHS FDS | SPDW | 78463X889 | $33.4M | 7.47% | 662,916 | SH |
| 4 | SPDR SERIES TRUST | SPSB | 78464A474 | $28.2M | 6.31% | 940,715 | SH |
| 5 | SPDR SERIES TRUST | SPTI | 78464A672 | $25.7M | 5.75% | 905,461 | SH |
| 6 | AMERICAN CENTY ETF TR | AVUV | 025072877 | $24.4M | 5.45% | 195,332 | SH |
| 7 | VANGUARD CHARLOTTE FDS | BNDX | 92203J407 | $24.0M | 5.38% | 496,358 | SH |
| 8 | DIMENSIONAL ETF TRUST | DFEM | 25434V732 | $19.4M | 4.34% | 477,389 | SH |
| 9 | AMERICAN CENTY ETF TR | AVUS | 025072885 | $16.9M | 3.79% | 132,214 | SH |
| 10 | AMERICAN CENTY ETF TR | AVDV | 025072802 | $15.3M | 3.42% | 148,297 | SH |
| 11 | VANGUARD INDEX FDS | VNQ | 922908553 | $11.7M | 2.61% | 120,870 | SH |
| 12 | PIMCO ETF TR | MUNI | 72201R866 | $9.9M | 2.21% | 187,771 | SH |
| 13 | AMERICAN CENTY ETF TR | AVEM | 025072604 | $8.5M | 1.90% | 88,013 | SH |
| 14 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $6.1M | 1.35% | 12,096 | SH |
| 15 | AMERICAN CENTY ETF TR | AVDE | 025072703 | $4.5M | 1.01% | 50,816 | SH |
| 16 | ISHARES TR | MUB | 464288414 | $3.4M | 0.75% | 31,197 | SH |
| 17 | APPLE INC | AAPL | 037833100 | $3.3M | 0.74% | 11,485 | SH |
| 18 | DIMENSIONAL ETF TRUST | DFSU | 25434V716 | $2.6M | 0.58% | 55,686 | SH |
| 19 | SPDR SERIES TRUST | SPTM | 78464A805 | $2.3M | 0.51% | 25,023 | SH |
| 20 | ISHARES TR | SUSB | 46435G243 | $2.2M | 0.50% | 89,945 | SH |
| 21 | JPMORGAN CHASE & CO | JPM | 46625H100 | $2.2M | 0.49% | 6,694 | SH |
| 22 | MICROSOFT CORP | MSFT | 594918104 | $1.9M | 0.43% | 5,100 | SH |
| 23 | US BANCORP | USB | 902973304 | $1.4M | 0.32% | 23,693 | SH |
| 24 | DIMENSIONAL ETF TRUST | DFSV | 25434V815 | $1.4M | 0.31% | 35,430 | SH |
| 25 | AMERICAN CENTY ETF TR | AVRE | 025072356 | $1.4M | 0.31% | 29,006 | SH |
| 26 | DIMENSIONAL ETF TRUST | DFAE | 25434V302 | $1.3M | 0.28% | 31,426 | SH |
| 27 | NVIDIA CORPORATION | NVDA | 67066G104 | $1.0M | 0.23% | 5,043 | SH |
| 28 | ALPHABET INC | GOOG | 02079K107 | $972.2K | 0.22% | 2,752 | SH |
| 29 | DIMENSIONAL ETF TRUST | DFSB | 25434V674 | $901.1K | 0.20% | 17,292 | SH |
| 30 | EXXON MOBIL CORP | XOM | 30231G102 | $892.9K | 0.20% | 6,531 | SH |
| 31 | WELLS FARGO & CO | WFC | 949746101 | $888.1K | 0.20% | 10,746 | SH |
| 32 | DIMENSIONAL ETF TRUST | DFSI | 25434V690 | $886.5K | 0.20% | 19,656 | SH |
| 33 | ISHARES TR | IWR | 464287499 | $863.0K | 0.19% | 7,823 | SH |
| 34 | VANGUARD INDEX FDS | VTI | 922908769 | $765.1K | 0.17% | 2,068 | SH |
| 35 | VANGUARD SPECIALIZED FUNDS | VIG | 921908844 | $754.8K | 0.17% | 3,190 | SH |
| 36 | BERKSHIRE HATHAWAY INC DEL | BRK.A | 084670108 | $748.9K | 0.17% | 1 | SH |
| 37 | DEERE & CO | DE | 244199105 | $654.7K | 0.15% | 1,032 | SH |
| 38 | VANGUARD SCOTTSDALE FDS | VGIT | 92206C706 | $625.9K | 0.14% | 10,612 | SH |
| 39 | AMAZON COM INC | AMZN | 023135106 | $609.7K | 0.14% | 2,558 | SH |
| 40 | MASTERCARD INCORPORATED | MA | 57636Q104 | $585.5K | 0.13% | 1,140 | SH |
| 41 | DIMENSIONAL ETF TRUST | DFSE | 25434V682 | $564.3K | 0.13% | 11,545 | SH |
| 42 | MARKEL GROUP INC | MKL | 570535104 | $550.7K | 0.12% | 282 | SH |
| 43 | ISHARES TR | IWM | 464287655 | $528.2K | 0.12% | 1,758 | SH |
| 44 | JOHNSON & JOHNSON | JNJ | 478160104 | $484.1K | 0.11% | 1,906 | SH |
| 45 | ORACLE CORP | ORCL | 68389X105 | $480.5K | 0.11% | 3,278 | SH |
| 46 | DIMENSIONAL ETF TRUST | DFAR | 25434V823 | $471.0K | 0.11% | 18,004 | SH |
| 47 | PEPSICO INC | PEP | 713448108 | $460.4K | 0.10% | 3,400 | SH |
| 48 | CISCO SYS INC | CSCO | 17275R102 | $417.1K | 0.09% | 3,551 | SH |
| 49 | INVESCO QQQ TR | QQQ | 46090E103 | $385.9K | 0.09% | 524 | SH |
| 50 | SPDR SERIES TRUST | SPIB | 78464A375 | $385.8K | 0.09% | 11,531 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-21 | $447.2M | 77 | 0001754960-26-000572 |
| 2026-03-31 | 2026-04-27 | $402.9M | 71 | 0001754960-26-000338 |
| 2025-12-31 | 2026-02-09 | $389.9M | 66 | 0001754960-26-000161 |