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Flagstone Financial Management

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13F filer, CIK 1968890, LINCOLN, NE

Flagstone Financial Management reported $310,450,294 across 53 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-04-21. Its ten largest share positions make up 82.2% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001754960-25-000222

Period
2025-03-31
Reported value
$310M
Holdings
53
Top 10 weight
82.2%
New
2
Sold out
3

Largest buys vs the previous quarter

SecurityShares changeApprox. value
DFUSadded+61,847$3.74M
IGIBadded+33,010$1.73M
SPTIadded+33,979$971K
BNDXadded+19,504$952K
AVUVadded+8,035$700K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
AVEMreduced-4,359-$262K
ETNexited-704-$234K
CPBIexited-13,872-$208K
DFSVexited-6,720-$207K
SPIBreduced-4,913-$163K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001754960-25-000222, largest first. % of portfolio is the value over $310,450,294, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
DFUSDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,314,993 shares; 2024Q4: 1,325,005 shares; 2025Q1: 1,386,852 shares 1,386,852$83.9M27.02%+61,847Timeline
IGIBISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 582,744 shares; 2024Q4: 627,640 shares; 2025Q1: 660,650 shares 660,650$34.7M11.18%+33,010Timeline
SPDWSPDR INDEX SHS FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 635,907 shares; 2024Q4: 662,803 shares; 2025Q1: 677,252 shares 677,252$24.7M7.94%+14,449Timeline
SPSBSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 683,166 shares; 2024Q4: 706,572 shares; 2025Q1: 725,797 shares 725,797$21.8M7.04%+19,225Timeline
SPTISPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 633,684 shares; 2024Q4: 676,558 shares; 2025Q1: 710,537 shares 710,537$20.3M6.54%+33,979Timeline
BNDXVANGUARD CHARLOTTE FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 329,963 shares; 2024Q4: 346,115 shares; 2025Q1: 365,619 shares 365,619$17.8M5.75%+19,504Timeline
AVUVAMERICAN CENTY ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 161,880 shares; 2024Q4: 164,742 shares; 2025Q1: 172,777 shares 172,777$15.1M4.85%+8,035Timeline
DFEMDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 481,955 shares; 2024Q4: 503,771 shares; 2025Q1: 521,562 shares 521,562$13.8M4.45%+17,791Timeline
AVDVAMERICAN CENTY ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 158,548 shares; 2024Q4: 163,562 shares; 2025Q1: 166,774 shares 166,774$11.6M3.75%+3,212Timeline
AVUSAMERICAN CENTY ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 120,383 shares; 2024Q4: 120,759 shares; 2025Q1: 123,924 shares 123,924$11.4M3.69%+3,165Timeline
VNQVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 87,224 shares; 2024Q4: 90,030 shares; 2025Q1: 94,508 shares 94,508$8.56M2.76%+4,478Timeline
AVEMAMERICAN CENTY ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 112,018 shares; 2024Q4: 113,164 shares; 2025Q1: 108,805 shares 108,805$6.55M2.11%-4,359Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,363 shares; 2024Q4: 11,100 shares; 2025Q1: 11,233 shares 11,233$5.98M1.93%+133Timeline
MUNIPIMCO ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 83,263 shares; 2024Q4: 85,755 shares; 2025Q1: 92,201 shares 92,201$4.75M1.53%+6,446Timeline
AVDEAMERICAN CENTY ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 53,281 shares; 2024Q4: 55,076 shares; 2025Q1: 55,778 shares 55,778$3.7M1.19%+702Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,621 shares; 2024Q4: 12,377 shares; 2025Q1: 12,327 shares 12,327$2.74M0.88%-50Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,483 shares; 2024Q4: 5,455 shares; 2025Q1: 5,456 shares 5,456$2.05M0.66%+1Timeline
SUSBISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 77,551 shares; 2024Q4: 85,880 shares; 2025Q1: 79,530 shares 79,530$1.99M0.64%-6,350Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2 shares; 2024Q4: 2 shares; 2025Q1: 2 shares 2$1.6M0.51%0Timeline
MUBISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,120 shares; 2024Q4: 4,120 shares; 2025Q1: 10,093 shares 10,093$1.06M0.34%+5,973Timeline
USBUS BANCORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 24,622 shares; 2024Q4: 24,626 shares; 2025Q1: 24,629 shares 24,629$1.04M0.33%+3Timeline
AVREAMERICAN CENTY ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 19,756 shares; 2024Q4: 20,452 shares; 2025Q1: 22,761 shares 22,761$979K0.32%+2,309Timeline
JPMJPMORGAN CHASE & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,056 shares; 2024Q4: 3,781 shares; 2025Q1: 3,781 shares 3,781$928K0.3%0Timeline
XOMEXXON MOBIL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,071 shares; 2024Q4: 7,166 shares; 2025Q1: 7,056 shares 7,056$839K0.27%-110Timeline
DFAEDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 31,663 shares; 2024Q4: 31,663 shares; 2025Q1: 31,663 shares 31,663$820K0.26%0Timeline
WFCWELLS FARGO & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,336 shares; 2024Q4: 11,243 shares; 2025Q1: 11,413 shares 11,413$819K0.26%+170Timeline
VIGVANGUARD SPECIALIZED FUNDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,034 shares; 2024Q4: 4,108 shares; 2025Q1: 4,108 shares 4,108$797K0.26%0Timeline
VTIVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,590 shares; 2024Q4: 2,702 shares; 2025Q1: 2,774 shares 2,774$762K0.25%+72Timeline
IWRISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,823 shares; 2024Q4: 7,870 shares; 2025Q1: 7,870 shares 7,870$670K0.22%0Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,085 shares; 2024Q4: 1,085 shares; 2025Q1: 1,085 shares 1,085$595K0.19%0Timeline
VGITVANGUARD SCOTTSDALE FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,030 shares; 2024Q4: 9,579 shares; 2025Q1: 9,579 shares 9,579$569K0.18%0Timeline
DFSUDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 14,839 shares; 2024Q4: 15,018 shares; 2025Q1: 15,358 shares 15,358$550K0.18%+340Timeline
DEDEERE & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,097 shares; 2024Q4: 1,097 shares; 2025Q1: 1,097 shares 1,097$515K0.17%0Timeline
DFARDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 19,274 shares; 2024Q4: 21,124 shares; 2025Q1: 21,166 shares 21,166$503K0.16%+42Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,451 shares; 2024Q4: 3,451 shares; 2025Q1: 4,552 shares 4,552$493K0.16%+1,101Timeline
MKLMARKEL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 254 shares; 2024Q4: 254 shares; 2025Q1: 254 shares 254$475K0.15%0Timeline
DFSBDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 4,959 shares; 2025Q1: 8,909 shares 8,909$459K0.15%+3,950Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,776 shares; 2024Q4: 2,776 shares; 2025Q1: 2,876 shares 2,876$449K0.14%+100Timeline
SPIBSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 20,182 shares; 2024Q4: 16,444 shares; 2025Q1: 11,531 shares 11,531$383K0.12%-4,913Timeline
IWMISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,758 shares; 2024Q4: 1,765 shares; 2025Q1: 1,765 shares 1,765$352K0.11%0Timeline
DFSIDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 9,949 shares; 2025Q1: 10,054 shares 10,054$351K0.11%+105Timeline
SPTMSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,545 shares; 2024Q4: 4,545 shares; 2025Q1: 4,545 shares 4,545$309K0.1%0Timeline
DFIVDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,152 shares; 2024Q4: 8,152 shares; 2025Q1: 7,785 shares 7,785$306K0.1%-367Timeline
XLFSELECT SECTOR SPDR TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,227 shares; 2024Q4: 5,227 shares; 2025Q1: 5,227 shares 5,227$260K0.08%0Timeline
UNPUNION PAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,093 shares; 2024Q4: 1,093 shares; 2025Q1: 1,093 shares 1,093$258K0.08%0Timeline
DFSEDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 7,533 shares 7,533$254K0.08%newTimeline
IEIISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,034 shares; 2024Q4: 2,085 shares; 2025Q1: 2,085 shares 2,085$246K0.08%0Timeline
WMTWALMART INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,815 shares; 2024Q4: 2,735 shares; 2025Q1: 2,745 shares 2,745$241K0.08%+10Timeline
BOCBOSTON OMAHA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 10,636 shares; 2024Q4: 14,396 shares; 2025Q1: 16,115 shares 16,115$235K0.08%+1,719Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,106 shares; 2024Q4: 1,106 shares; 2025Q1: 1,195 shares 1,195$227K0.07%+89Timeline
DFATDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,113 shares; 2024Q4: 4,113 shares; 2025Q1: 4,113 shares 4,113$212K0.07%0Timeline
LLYELI LILLY & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 248 shares; 2024Q4: not reported; 2025Q1: 248 shares 248$205K0.07%newTimeline
BACBANK OF AMER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 4,836 shares; 2025Q1: 4,836 shares 4,836$202K0.06%0Timeline

Sold out in Q1 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
ETNEATON CORP PLC704$234Kshares
CPBICENTRAL PLAINS BANCSHARES IN13,872$208Kshares
DFSVDIMENSIONAL ETF TRUST6,720$207Kshares

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001754960-25-000222 base2025-04-21acceptance time not in the bulk data set