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Sentinel Dome Partners, LLC

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13F filer, CIK 2114194, BURLINGAME, CA

Sentinel Dome Partners, LLC reported $105,102,434 across 29 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 75.43% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-26-061976

Period
2026-03-31
Reported value
$105M
Holdings
29
Top 10 weight
75.43%
New
8
Sold out
9

Largest buys vs the previous quarter

SecurityShares changeApprox. value
NFLXnew+40,500$3.89M
DYnew+6,500$2.2M
Amazon.com Incadded+8,300$1.73M
LOWnew+6,500$1.54M
LUMNadded+213,000$1.48M

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
MSFTexited-14,900-$7.21M
IBMexited-13,300-$3.94M
CCOexited-1,570,000-$3.47M
MAreduced-4,850-$2.42M
DBRGexited-154,647-$2.37M

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 2026

Share positions as resolved from 13F-HR 0001104659-26-061976, largest first. % of portfolio is the value over $105,102,434, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
UNITUNITI GROUP LLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 781,907 shares; 2026Q1: 781,907 shares 781,907$7.33M6.98%0Timeline
Amazon.com IncAmazon.com IncQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 23,400 shares; 2026Q1: 31,700 shares 31,700$6.6M6.28%+8,300
ECHOECHOSTAR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 48,000 shares; 2026Q1: 49,500 shares 49,500$5.79M5.51%+1,500Timeline
TDSTELEPHONE & DATA SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 120,000 shares; 2026Q1: 115,000 shares 115,000$4.84M4.61%-5,000Timeline
NFLXNETFLIX INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 40,500 shares 40,500$3.89M3.71%newTimeline
BXBLACKSTONE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 38,600 shares; 2026Q1: 30,600 shares 30,600$3.52M3.35%-8,000Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 10,150 shares; 2026Q1: 5,300 shares 5,300$2.65M2.52%-4,850Timeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 5,200 shares; 2026Q1: 4,100 shares 4,100$2.35M2.23%-1,100Timeline
HLTHILTON WORLDWIDE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 11,850 shares; 2026Q1: 7,250 shares 7,250$2.2M2.1%-4,600Timeline
DYDYCOM INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 6,500 shares 6,500$2.2M2.1%newTimeline
LUMNLUMEN TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 89,816 shares; 2026Q1: 302,816 shares 302,816$2.1M2%+213,000Timeline
HDHOME DEPOT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 8,750 shares; 2026Q1: 6,350 shares 6,350$2.09M1.99%-2,400Timeline
SPOTSPOTIFY TECHNOLOGY S AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 5,400 shares; 2026Q1: 4,100 shares 4,100$1.99M1.89%-1,300Timeline
LOWLOWES COS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 6,500 shares 6,500$1.54M1.46%newTimeline
DASHDOORDASH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 13,700 shares; 2026Q1: 9,500 shares 9,500$1.43M1.36%-4,200Timeline
ORCLORACLE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 9,500 shares; 2026Q1: 9,500 shares 9,500$1.4M1.33%0Timeline
NOWSERVICENOW INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 14,250 shares; 2026Q1: 12,450 shares 12,450$1.3M1.24%-1,800Timeline
NCLHNORWEGIAN CRUISE LINE HLDGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 75,600 shares; 2026Q1: 65,600 shares 65,600$1.23M1.17%-10,000Timeline
STRKSTRATEGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 16,000 shares; 2026Q1: 16,000 shares 16,000$1.13M1.08%0Timeline
SHOPIFY CL A SUB VTGSHOPIFY CL A SUB VTGQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 8,500 shares 8,500$1.01M0.96%new
TAT&T INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 32,000 shares 32,000$928K0.88%newTimeline
CORZCORE SCIENTIFIC INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 49,000 shares 49,000$733K0.7%newTimeline
ZSZSCALER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 4,400 shares; 2026Q1: 5,200 shares 5,200$730K0.69%+800Timeline
SNOWSNOWFLAKE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 4,600 shares 4,600$694K0.66%newTimeline
HOODROBINHOOD MKTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 7,500 shares 7,500$520K0.49%newTimeline
OPTUOPTIMUM COMMUNICATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 200,000 shares; 2026Q1: 200,000 shares 200,000$260K0.25%0Timeline

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
UNITI GROUP LLCUNITI GROUP LLC COMprincipal28,253,000$33.4M0
LIVE NATION ENTERTAINMENT INLIVE NATION ENTERTAINMENT IN Convertibleprincipal5,375,000$5.81M-14,000,000
DATADOG INCDATADOG INC NOTE 12/0principal5,625,000$5.45M+1,000,000

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
MSFTMICROSOFT CORP14,900$7.21Mshares
GUIDEWIRE SOFTWARE INCGUIDEWIRE SOFTWARE INC6,500,000$7.16Mprincipal
IBMINTERNATIONAL BUSINESS MACHS13,300$3.94Mshares
CCOCLEAR CHANNEL OUTDOOR HLDGS1,570,000$3.47Mshares
NUTANIX INCNUTANIX INC2,527,000$2.44Mprincipal
DBRGDIGITALBRIDGE GROUP INC154,647$2.37Mshares
NXSTNEXSTAR MEDIA GROUP INC11,400$2.31Mshares
COINBASE GLOBAL INCCOINBASE GLOBAL INC2,000,000$2.07Mprincipal
NTNXNUTANIX INC34,000$1.76Mshares

How Q1 2026 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 0001104659-26-061976 base2026-05-15acceptance time not in the bulk data set