StoneX Group Inc. (SNEX) Ownership

NASDAQ: SNEXTop holders, insider trades and short interest.

SNEX ownership summary

as of October 18, 2026
Institutions
85.9%
of shares outstanding
Insiders
9.31%
of shares outstanding
Shares outstanding
120.6M
Float
108.9M
shares available to trade
Short interest
5.62%
4.8M shares short
Days to cover
5.54
short interest up 0.6% vs prior month
  • Institutions 85.88%
  • Insiders 9.31%
  • Other investors 4.81%

SNEX top institutional holders

20 largest
StoneX Group Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc9.40%11.3M$648.2M+328,283 (+3.0%)June 30, 2026
2Vanguard Portfolio Management, LLC3.32%4.0M$228.8M+262,173 (+7.0%)June 30, 2026
3Vanguard Capital Management, LLC2.66%3.2M$183.1M+178,999 (+5.9%)June 30, 2026
4T. Rowe Price Associates, Inc.2.59%3.1M$178.2M−353,836 (−10.2%)June 30, 2026
5American Century Companies Inc2.46%3.0M$169.3M−435,811 (−12.8%)June 30, 2026
6State Street Corp2.41%2.9M$165.9M+119,489 (+4.3%)June 30, 2026
7T. Rowe Price Investment Management,Inc.1.94%2.3M$133.8M−170,930 (−6.8%)June 30, 2026
8Geode Capital Management, LLC1.73%2.1M$119.0M+88,289 (+4.4%)June 30, 2026
9Dimensional Fund Advisors, Inc.1.37%1.7M$94.5M−454,895 (−21.6%)June 30, 2026
10AltraVue Capital, LLC1.14%1.4M$78.7M−251,853 (−15.5%)June 30, 2026
11Jacobs Levy Equity Management, Inc.1.07%1.3M$74.1M+951,087 (+276.0%)June 30, 2026
12NORGES BANK1.02%1.2M$70.6M+885,313 (+253.3%)June 30, 2026
13Wasatch Advisors LP0.98%1.2M$67.4M+1.2M (0.0%)June 30, 2026
14Morgan Stanley - Brokerage Accounts0.81%976K$55.8M+27,229 (+2.9%)June 30, 2026
15Ameriprise Financial Inc0.76%915K$52.3M−573,326 (−38.5%)June 30, 2026
16JPMorgan Chase & Co0.75%905K$51.7M−17,036 (−1.8%)June 30, 2026
17Northern Trust Corp0.73%878K$50.2M+11,326 (+1.3%)June 30, 2026
18Driehaus Capital Management LLC0.73%875K$50.0M+13,922 (+1.6%)June 30, 2026
19Charles Schwab Investment Management Inc0.69%829K$47.4M+27,347 (+3.4%)June 30, 2026
20Amvescap Plc.0.65%789K$45.1M+36,929 (+4.9%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 4.1M shares and 7 cut 2.3M.

SNEX top mutual fund and ETF holders

20 largest
StoneX Group Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.36%6.5M$369.6M+1,371 (+0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest2.82%3.4M$194.5M−3,783 (−0.1%)August 31, 2026
3iShares Russell 2000 ETF2.36%2.8M$162.7M−17,644 (−0.6%)September 30, 2026
4Avantis US Small Cap Value ETF2.17%2.6M$149.8M—September 30, 2026
5Vanguard Small Cap Index2.02%2.4M$139.6M−19,333 (−0.8%)September 30, 2026
6Vanguard MStar Small Cap Growth Indx Inv1.13%1.4M$77.8M−51,742 (−3.7%)September 30, 2026
7T. Rowe Price Integrated US Sm Gr Eq1.09%1.3M$75.5M—September 30, 2026
8Fidelity Small Cap Index0.99%1.2M$68.2M+10,308 (+0.9%)July 31, 2026
9iShares Russell 2000 Growth ETF0.85%1.0M$58.5M−1,297 (−0.1%)September 30, 2026
10iShares S&P Small-Cap 600 Growth ETF0.83%1.0M$57.5M—September 30, 2026
11State Street SPDR Port S&P 600 Sm CpETF0.82%989K$56.6M—September 30, 2026
12T. Rowe Price Small-Cap Stock0.82%989K$56.5M−5,689 (−0.6%)September 30, 2026
13Hennessy Cornerstone Mid Cap 30 Inv0.68%821K$46.9M−26,200 (−3.1%)September 30, 2026
14T. Rowe Price New Horizons0.68%815K$46.6M—September 30, 2026
15Vanguard Tax-Managed Small Cap Adm0.54%648K$37.1M—September 30, 2026
16Vanguard Russell 2000 ETF0.53%635K$36.3M+7,117 (+1.1%)September 30, 2026
17State Street® SPDR® S&P 600™ Sm Cp GrETF0.52%625K$35.7M—September 30, 2026
18Schwab US Small-Cap ETF™0.47%571K$32.7M+378 (+0.1%)September 30, 2026
19Invesco S&P SmallCap Momentum ETF0.45%547K$31.3M—September 30, 2026
20T. Rowe Price Instl Small-Cap Stock0.44%529K$30.2M−6,384 (−1.2%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

SNEX insider transactions

latest 20
StoneX Group Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-04-15Annabelle G BexigaSell$101.911,500$152,865
2026-04-10Philip Andrew SmithSell$92.2330,000$2.8M
2026-03-13Annabelle G BexigaSell$106.541,000$106,540
2026-02-13Abigail H PerkinsSell$126.728,000$1.0M
2026-02-09Charles M LyonSell$124.7830,000$3.7M
2026-02-09Mark Lowry MaurerSell$124.8840,000$5.0M
2026-02-09Sean Michael OconnorSell$124.9540,000$5.0M
2026-02-02John Moore FowlerSell$112.701,125$126,788
2025-12-19Diego RotsztainSell$94.502,029$191,740
2025-12-18Diego RotsztainSell$94.912,477$235,092
2025-12-17Diego RotsztainSell$96.171,348$129,637
2025-12-16John RadziwillBuy$97.251,000$97,250
2025-11-03John Moore FowlerSell$91.201,125$102,600
2025-08-01John Moore FowlerSell$96.001,125$108,000
2025-06-16Abigail H PerkinsSell$86.2210,470$902,723
2025-06-13Abigail H PerkinsSell$84.2510,112$851,936
2025-06-12Abigail H PerkinsSell$85.0416,098$1.4M
2025-06-12John RadziwillBuy$85.001,400$119,000
2025-06-10Philip Andrew SmithSell$83.687,500$627,600
2025-05-15Charles M LyonSell$86.9213,000$1.1M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

SNEX shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns SNEX

Institutional investors own 85.9% of StoneX's shares and insiders 9.31%. The largest holder is BlackRock Inc with 9.40% of the shares (11.3M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 5.62% of the float, or 5.54 days of average trading volume. The share count rose 90.6% since 2014.

Related: SNEX analyst forecast, SNEX key metrics. See the SNEX stock overview for the latest quote and news.

SNEX ownership FAQ

Who owns the most StoneX stock?

The largest shareholders of StoneX are BlackRock Inc (9.40%), Vanguard Portfolio Management, LLC (3.32%), Vanguard Capital Management, LLC (2.66%), T. Rowe Price Associates, Inc. (2.59%), American Century Companies Inc (2.46%).

What percentage of StoneX is owned by institutions?

Institutions hold 85.9% of StoneX's shares outstanding; insiders hold 9.31%.

Which funds own StoneX?

The largest fund holders of StoneX are iShares Core S&P Small-Cap ETF (5.36%), Vanguard MStar Total Stk Mkt Idx Invest (2.82%), iShares Russell 2000 ETF (2.36%), Avantis US Small Cap Value ETF (2.17%), Vanguard Small Cap Index (2.02%).

What is StoneX's short interest?

4.8M shares of StoneX were sold short, 5.62% of the float; at the average daily volume it would take 5.54 days to cover.

Are insiders buying or selling StoneX?

Of the latest 20 reported insider transactions in StoneX (since May 15, 2025), 2 were purchases and 18 were sales.

How many shares of StoneX are outstanding?

StoneX has 120.6M shares outstanding, of which 108.9M are in the public float.

Capital Markets: ownership