// company-profile

StoneX Group Inc.

SNEX
ExchangeNasdaqSectorSecurity & Commodity Brokers, Dealers, Exchanges & ServicesInc.DEFilings218Insiders19
// api This StoneX Group Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $30.6M across 7 transactions, with 4 offsetting purchases.

// 90-day insight

Over the last 90 days, StoneX Group Inc. insiders bought $7.6M (22 transactions) and sold $83.5M (24 transactions).

  • Most active insider: OCONNOR SEAN MICHAEL with 11 transactions totaling $57.2M.
  • Largest single sale: $15.5M by OCONNOR SEAN MICHAEL on May 15, 2026.
  • 4% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity is mixed — buys and sales are roughly balanced.

Institutional Ownership

Top 13F-HR holders of StoneX Group Inc. as of 2026-03-31

↑ increasing
Total reported AUM
$4.16B
QoQ change
+46.7%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$608.8M
7.5M shares
#2
AMERICAN CENTURY COMPANIES INC
CIK 748054
$274.1M
3.4M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$244.0M
3.0M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 16, 2026Maurer Mark LowrySNEX
Sale
11,542$133.63$1.54M
Jun 15, 2026Perkins Abigail HSNEX
Gift
2,000$0.00$0K
Jun 15, 2026Maurer Mark LowrySNEX
Option Exercise10b5
46,248$0.00$0K
Jun 15, 2026OCONNOR SEAN MICHAELSNEX
Sale
75,000$135.42$10.16M
Jun 15, 2026Maurer Mark LowrySNEX
Option Exercise10b5
46,248$13.34$617K

45 more transactions hidden

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