MADRONE ADVISORS, LLC
Regulatory profile
From Form ADV, the SEC filer profile, 13D/13G type codes and N-CEN, never from the name.
Portfolio style
Measured from the filed 13F common-share book for Jun 30, 2026, never from the firm's own description.
Closest benchmark: every 13F filer's combined book, active share 99.6%; sector active share 62.3% against the combined 13F book's sector weights.
Over time 15 measured quarters
How the bands are measured
Style bands measure the filed 13F common-share book each closed quarter, tested in this order. Unknown: under $10,000,000 of valued equity or 5 stocks. Index-like (100+ stocks): active share of 20% or less against the closest benchmark, which is the S&P 500, S&P MidCap 400, S&P SmallCap 600, Russell 1000, Russell 2000, Nasdaq-100 or Dow Jones Industrial Average (weighted by an index-tracking fund's reported holdings or the index's constituents nearest the quarter end, over the names resolved to companies, and only when those are 90%+ of its weight) or every 13F filer's combined book, or index series holding 80%+ of the registered fund assets it advises (N-CEN) and equal to 50%+ of its book. Systematic-like: 500+ stocks, 100%+ annual turnover and a top 10 weight of 25% or less. Concentrated: a top 10 weight of 60%+ or 12 or fewer effective positions. Diversified active: none of these. Turnover is the smaller of buys and sells over average equity value, summed over four quarters: low under 30%, high 100%+. Horizon is the value-weighted number of quarters each position has been held: short under 4, long 12+.
Clone Performance
Build a hypothetical price-return history from this filer's public 13F holdings.
View clone backtestPortfolio Concentration
6 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026Portfolio Trend
Sector Breakdown
As of Jun 30, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Communication Services | 69.9% | $975,289,307 |
| Technology | 20.4% | $284,427,465 |
| Industrials | 5.2% | $72,838,621 |
| Unclassified | 2.9% | $40,298,168 |
| Financial Services | 1.6% | $21,969,093 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increasedTrimmed
Positions the filer reduced| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| VT | VANGUARD TOTAL WORLD STOCK INDEX FUND | −494,285 | 256,758 | $40,298,168 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarter| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| COF | Capital One Financial Corp | 109,506 | $21,969,093 | |
| No positions match the current search. | ||||
Sold Out
Positions the filer fully exited| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| STUB |
StubHub Holdings, Inc.
Communication Services
|
Held | 75,780,055 | $975,289,307 | 69.92% | |
| STNE |
StoneCo Ltd.
Technology
|
Held | 25,339,276 | $274,677,751 | 19.69% | |
| QXO |
QXO, Inc.
Industrials
|
Held | 4,215,198 | $72,838,621 | 5.22% | |
| VT |
VANGUARD TOTAL WORLD STOCK INDEX FUND
|
Reduced | 256,758 | $40,298,168 | 2.89% | |
| COF |
Capital One Financial Corp
Financial Services
|
NEW | 109,506 | $21,969,093 | 1.58% | |
| FIG |
Figma, Inc.
Technology
|
Held | 538,956 | $9,749,714 | 0.70% |
Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.