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Super Investors / MADRONE ADVISORS, LLC
MA

MADRONE ADVISORS, LLC

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

Portfolio value
$1.39B
Positions
6
Quarter ended
June 30, 2026
Filed
August 13, 2026

Reported portfolio value by quarter (15 quarters reported)

$2.03B $465M
Q4 22 Q3 23 Q2 24 Q1 25 Q4 25 Q2 26

$519M in Q4 2022 → $1.39B 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
SH Stubhub Hldgs Inc 69.9% Unchanged 75,780,055 $975M
Stoneco Ltd 19.7% Unchanged 25,339,276 $275M
Qxo Inc 5.2% Unchanged 4,215,198 $72.8M
VI Vanguard Intl Equity Index F 2.9% Trimmed 66% 256,758 $40.3M
CO Capital One Finl Corp 1.6% New 109,506 $22M
Figma Inc 0.7% Unchanged 538,956 $9.75M

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 13, 2026

Company Action Shares changed Value of change % of portfolio
VI Vanguard Intl Equity Index F Trimmed −494,285 −$77.6M 2.9%
CO Capital One Finl Corp New +109,506 +$22M 1.6%

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
Qxo Inc Trimmed −900,000 −$17.5M 8.0%
VI Vanguard Intl Equity Index F Added +55,150 +$7.63M 10.1%

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
Qxo Inc Trimmed −4,426,196 −$85.4M 6.1%
VI Vanguard Intl Equity Index F Added +255,877 +$36.1M 6.1%
PB Pacific Biosciences Calif In Exited −4,976,089 −$6.37M

Q3 2025

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

Company Action Shares changed Value of change % of portfolio
SH Stubhub Hldgs Inc New +75,780,055 +$1.28B 62.8%
Figma Inc New +538,956 +$28M 1.4%
Qxo Inc Trimmed −1,399,526 −$26.7M 8.9%
PB Pacific Biosciences Calif In Trimmed −11,786,127 −$15.1M 0.3%
OF Oportun Finl Corp Exited −16,587 −$119K

Q2 2025

quarter ended June 30, 2025 · filed August 13, 2025

Company Action Shares changed Value of change % of portfolio
VI Vanguard Intl Equity Index F Trimmed −822,517 −$106M 7.9%
PB Pacific Biosciences Calif In Trimmed −6,629,699 −$8.22M 2.9%
Illumina Inc Exited −80,000 −$6.35M
OF Oportun Finl Corp Trimmed −524,046 −$3.75M

Q1 2025

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

Company Action Shares changed Value of change % of portfolio
VI Vanguard Intl Equity Index F Added +468,759 +$54.4M 24.5%

Q4 2024

quarter ended December 31, 2024 · filed February 13, 2025

Company Action Shares changed Value of change % of portfolio
VI Vanguard Intl Equity Index F Trimmed −178,990 −$21M 17.8%
OF Oportun Finl Corp Trimmed −82,662 −$321K 0.4%

Q3 2024

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

Company Action Shares changed Value of change % of portfolio
Qxo Inc New +10,940,920 +$173M 27.6%
VI Vanguard Intl Equity Index F Trimmed −1,009,891 −$121M 18.6%
Grail Inc Exited −13,333 −$205K

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