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Super Investors 53 HOUSE LLP
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53 HOUSE LLP

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

Portfolio value
—
Positions
1
Quarter ended
June 30, 2026
Filed
August 07, 2026

Reported portfolio value by quarter (43 quarters reported)

$1.2B —
Q4 15 Q1 18 Q2 20 Q3 22 Q4 24 Q2 26

$434M in Q4 2015 → — 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
C Confidential NaN% Unchanged 0 —

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 07, 2026

No position changes this quarter.

Q1 2026

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

No position changes this quarter.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

No position changes this quarter.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

No position changes this quarter.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
Unitedhealth Group Inc Exited −86,361 −$45.2M —
Viking Holdings Ltd Exited −396,963 −$15.8M —
Illumina Inc Exited −152,073 −$12.1M —
The Cigna Group Exited −34,638 −$11.4M —
Western Digital Corp Exited −280,201 −$11.3M —
Humana Inc Exited −36,921 −$9.77M —
Sandisk Corp Exited −93,400 −$4.45M —
Netease Inc Exited −31,546 −$3.25M —
C Confidential New +0 — —

Q1 2025

quarter ended March 31, 2025 · filed May 14, 2025

Company Action Shares changed Value of change % of portfolio
Viking Holdings Ltd New +396,963 +$15.8M 13.9%
Tal Education Group Exited −1,546,820 −$15.5M —
The Cigna Group New +34,638 +$11.4M 10.1%
Western Digital Corp New +280,201 +$11.3M 10.0%
Humana Inc New +36,921 +$9.77M 8.6%
Unitedhealth Group Inc Added +18,245 +$9.56M 39.9%
Illumina Inc Added +63,249 +$5.02M 10.7%
Sandisk Corp New +93,400 +$4.45M 3.9%
Netease Inc New +31,546 +$3.25M 2.9%

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Illumina Inc New +88,824 +$11.9M 19.2%
SF Six Flags Entmt Corp New Exited −195,700 −$7.89M —
Unitedhealth Group Inc Added +12,857 +$6.5M 55.7%

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
SF Six Flags Entmt Corp New Trimmed −3,404,108 −$137M 13.5%
Western Digital Corp. Exited −776,989 −$58.9M —
ST Seagate Technology Hldngs Pl Exited −490,160 −$50.6M —
Pdd Holdings Inc Exited −254,238 −$33.8M —
NO New Oriental Ed & Technology Exited −390,822 −$30.4M —
Jd.com Inc Exited −1,116,363 −$28.8M —
Unitedhealth Group Inc Trimmed −35,517 −$20.8M 55.2%
Alphabet Inc Exited −80,808 −$14.7M —
VE Vaneck ETF Trust Exited −272,286 −$11.5M —
Tal Education Group Trimmed −703,086 −$8.32M 31.3%

Showing the 10 largest of 11 changes.

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