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Super Investors Sentinel Dome Partners, LLC
SD

Sentinel Dome Partners, LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$137M
Positions
32
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (3 quarters reported)

$147M $105M
Q4 25 Q1 26 Q2 26

$147M in Q4 2025 → $137M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
UG Uniti Group Inc 11.7% Added 79% 1,401,907 $16.1M
Doordash, Inc. 10.5% New 14,500,000 $14.4M
Live Nation Entertainment Inc 8.7% Added 86% 9,975,000 $12M
UG Uniti Group Inc 8.4% Trimmed 67% 9,253,000 $11.5M
Cloudflare, Inc. 6.0% New 6,500,000 $8.25M
Amazon.com Inc 5.7% Added 3.2% 32,700 $7.79M
N Ncl Corp Ltd 5.2% New 6,375,000 $7.17M
Rubrik, Inc. 3.4% New 4,500,000 $4.6M
Telephone And Data Systems Inc 3.1% Unchanged 115,000 $4.26M
Oracle Corp 2.7% New 82,500 $3.72M
Royal Caribbean Cruises Ltd. 2.5% New 10,900 $3.46M
Blackstone Inc 2.4% Trimmed 9.8% 27,600 $3.25M
Mastercard Inc 2.4% Added 19% 6,300 $3.24M
Echostar Corp 2.3% Trimmed 36% 31,500 $3.2M
Home Depot Inc 2.3% Added 43% 9,050 $3.19M
Alphabet Inc. 2.3% New 63,000 $3.19M
Alphabet Inc. 2.3% New 63,000 $3.17M
Hilton Worldwide Holdings Inc 2.3% Added 32% 9,550 $3.16M
Netflix 1.9% Trimmed 8.6% 37,000 $2.64M
Lumen Technologies Inc 1.9% Added 9.9% 332,816 $2.56M
Meta Platforms Inc 1.6% Trimmed 4.9% 3,900 $2.2M
Guidewire Software Inc 1.4% New 2,000,000 $1.93M
Visa Inc. 1.3% New 5,000 $1.72M
Snowflake 1.2% Added 43% 6,600 $1.68M
Applied Digital Corp 1.1% New 39,500 $1.47M
Lowe's Companies 1.0% Unchanged 6,500 $1.43M
ST Spotify Technology Sa 1.0% Trimmed 27% 3,000 $1.38M
Core Scientific 0.8% Trimmed 14% 42,000 $1.07M
RM Robinhood Markets Cl A 0.8% Added 40% 10,500 $1.05M
SC Shopify Cl A Sub Vtg 0.7% Unchanged 8,500 $971K
Strategy Inc 0.7% Unchanged 16,000 $962K
Builders Firstsource Inc 0.4% New 6,000 $537K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 2 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
UG Uniti Group Inc Trimmed −19,000,000 −$23.5M 8.4%
Doordash, Inc. New +14,500,000 +$14.4M 10.5%
Cloudflare, Inc. New +6,500,000 +$8.25M 6.0%
N Ncl Corp Ltd New +6,375,000 +$7.17M 5.2%
UG Uniti Group Inc Added +620,000 +$7.11M 11.7%
Live Nation Entertainment Inc Added +4,600,000 +$5.51M 8.7%
Datadog Inc Exited −5,625,000 −$5.45M —
Rubrik, Inc. New +4,500,000 +$4.6M 3.4%
Oracle Corp New +82,500 +$3.72M 2.7%
Royal Caribbean Cruises Ltd. New +10,900 +$3.46M 2.5%

Showing the 10 largest of 37 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Live Nation Entertainment Inc Trimmed −14,000,000 −$15.1M 5.5%
Microsoft Corp Exited −14,900 −$7.21M —
Guidewire Software Inc Exited −6,500,000 −$7.16M —
International Business Machines Corp Exited −13,300 −$3.94M —
Netflix New +40,500 +$3.89M 3.7%
Clear Channel Outdoor Holdings Inc Exited −1,570,000 −$3.47M —
Nutanix Inc Exited −2,527,000 −$2.44M —
Mastercard Inc Trimmed −4,850 −$2.42M 2.5%
Digitalbridge Group Inc Exited −154,647 −$2.37M —
Nexstar Media Group Inc Exited −11,400 −$2.31M —

Showing the 10 largest of 33 changes.

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