SecBot SecBot
SC 13D/A ·Filed Oct 7, 2026

STNE

StoneCo Ltd.
NEUTRAL
Impact 4/10
Horizonweeks Processed20d 4h ago SEC0001545458-26-000003
Activist stake amendment (position change)
Actionable Insight • Neutral

The sale reduces Madrone's stake by roughly 0.3 percentage points (from ~10.9% to ~10.6%). This is a small, non-escalatory move. Monitor for any future 13D amendments that signal a change in strategy or further selling.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+5d
STNE ▼ -1.90% at T+5d
NEUTRAL call -1.90% · α vs SPY -1.62% · entry $11.60 → $11.38
Next anchor: T+20d in 7d
Latest observation: T+11 +0.77% FF3 residual α
Entry = T+0 close
Oct 7, 2026
via day close
T+1d
+7.41%
call +7.41% · α +6.81%
$12.46
settled 20d ago
T+5d
-1.90%
call -1.90% · α -1.62%
$11.38
settled 14d ago
T+20d
Pending
in 7d
T+60d
Pending
in 2mo

Price Chart

Loading chart...

Executive Summary

Madrone Partners filed an SC 13D/A disclosing a reduction in its StoneCo stake. On October 5, 2026, Madrone sold 750,000 Class A common shares in an open-market sale at an average price of $11.90 per share. The filing does not state any change in purpose or new demands, indicating a routine portfolio adjustment rather than an escalation or de-escalation of activist pressure.

Key Financial Metrics

Stake
10.6%
Investor
Madrone Partners, L.P.

Key Facts

  • Madrone Partners sold 750,000 Class A common shares of StoneCo on October 5, 2026.
  • Sale price range: $11.75 to $12.02 per share; weighted average price $11.90.
  • Post-sale, Madrone directly holds 24,589,276 shares (10.6% of Class A common shares based on 232,663,503 shares outstanding as of Dec 31, 2025).
  • No change in stated purpose or demands; no new activist intentions disclosed.
  • Filing is a routine amendment reflecting a modest reduction in position.

Financial Impact

Sale of 750,000 shares at ~$11.90/share represents approximately $8.9 million in proceeds.

ownership percentagecash position of Madrone

Risk Factors

  • Further selling by Madrone could pressure the stock.
  • No stated catalyst or engagement plan — the filing is purely administrative.

Investment Themes

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13D/A Filing (Primary)0001545458-26-000003
Document: 0001545458-26-000003-index-headers.html0001545458-26-000003
Document: 0001545458-26-000003-index.html0001545458-26-000003
Document: 0001545458-26-000003.txt0001545458-26-000003
3 reports for STNE
Performance horizon
Filters
Rows
Reports for STNE — sortable, filterable
TypeNow
Oct 27, 2026
today
SC 13G/A
NEUTRAL ★ 3/10
$8.54awaiting T+20—$8.33 (−2.46%)
Oct 7, 2026
20d ago
SC 13D/A
NEUTRAL ★ 4/10
$11.60awaiting T+20—$8.33 (−28.19%)
Apr 23, 2026
26w ago
6-K
NEUTRAL ★ 2/10
$12.22 $11.10▼ −9.17%▼ −13.19%$8.33 (−31.83%)
Showing 3 of 3

US Market Status

Market Closed — Opens Thu (12h 58m)

Subscribe to SecBot

Get Real-Time SEC Filing Intelligence

Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.

Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers
Report published Oct 7, 2026