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SNEX

StoneX Group Inc.

Company with tickers: SNEX

CIK
913760
CUSIP
861896108
Shares Outstanding
79,251,496
13F Activity (30d)
126 filings 121 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 372
Total Value: $3,400,195,449
Total Shares: 42,159,897
Showing 1–100 of 377 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 372 13F filers · Δ vs Dec 31, 2025
Top Holder
8.9%
Jun 2023 → Mar 2026 · range 8.9% – 18.2%
−1.8 pts
Top 5
35.4%
Jun 2023 → Mar 2026 · range 35.4% – 42.3%
−4.1 pts
Top 10
49.1%
Jun 2023 → Mar 2026 · range 49.1% – 58.9%
−5.2 pts
HHI
341
Jun 2023 → Mar 2026 · range 341 – 567
Broadly held−69

Quarterly Activity

vs Dec 31, 2025
New
87
Increased
259
Decreased
21
Sold Out
34
Unchanged
5
Holder count: +53
Institutional value: +181.5%
Shares held: +121.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 377
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Holder Value (USD) % of 13F Shares Open