Cass Information Systems, Inc. (CASS) Ownership

NASDAQ: CASSTop holders, insider trades and short interest.

CASS ownership summary

as of October 18, 2026
Institutions
63.7%
of shares outstanding
Insiders
11.74%
of shares outstanding
Shares outstanding
12.8M
Float
11.2M
shares available to trade
Short interest
3.15%
389K shares short
Days to cover
4.43
short interest down 10.6% vs prior month
  • Institutions 63.67%
  • Insiders 11.74%
  • Other investors 24.59%

CASS top institutional holders

20 largest
Cass Information Systems, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc7.82%1.0M$54.8M+98,327 (+10.9%)June 30, 2026
2Vanguard Capital Management, LLC4.21%539K$29.4M−11,892 (−2.2%)June 30, 2026
3Brown Advisory Holdings Inc4.12%527K$28.8M+5,661 (+1.1%)June 30, 2026
4Heartland Advisors Inc3.85%493K$27.0M+22,882 (+4.9%)June 30, 2026
5Speece Thorson Capital Group Inc2.71%347K$19.0M−6,909 (−2.0%)June 30, 2026
6Dimensional Fund Advisors, Inc.2.67%341K$18.7M−5,245 (−1.5%)June 30, 2026
7Geode Capital Management, LLC2.38%304K$16.6M+15,540 (+5.4%)June 30, 2026
8State Street Corp2.26%289K$15.8M+1,441 (+0.5%)June 30, 2026
9ProShare Advisors LLC2.19%280K$15.3M−9,928 (−3.4%)June 30, 2026
10Tributary Capital Management, LLC1.89%242K$13.2M−7,191 (−2.9%)June 30, 2026
11Vanguard Portfolio Management, LLC1.41%181K$9.9M+14,520 (+8.7%)June 30, 2026
12Punch & Associates Inv Mgmt Inc1.22%157K$8.6M+43,467 (+38.4%)June 30, 2026
13Crawford Investment Counsel, Inc1.05%135K$7.4M+12,763 (+10.5%)June 30, 2026
14Arrowstreet Capital Limited Partnership0.98%125K$6.9M−12,349 (−9.0%)June 30, 2026
15CSM Advisors, LLC0.91%117K$6.4M+26,905 (+29.9%)June 30, 2026
16AQR Capital Management LLC0.85%109K$6.0M+51,193 (+88.6%)June 30, 2026
17Acumen Wealth Advisors, LLC0.82%106K$5.8M−200 (−0.2%)June 30, 2026
18Northern Trust Corp0.82%105K$5.8M+4,612 (+4.6%)June 30, 2026
19Charles Schwab Investment Management Inc0.75%96K$5.2M+1,300 (+1.4%)June 30, 2026
20Nuveen, LLC0.67%86K$4.7M+59,218 (+222.9%)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 358K shares and 7 cut 54K.

CASS top mutual fund and ETF holders

20 largest
Cass Information Systems, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.11%398K$21.8M−2,443 (−0.6%)August 31, 2026
2Heartland Value Investor2.93%375K$20.5M—September 30, 2026
3iShares Russell 2000 ETF2.89%370K$20.2M+3,260 (+0.9%)September 30, 2026
4Brown Advisory Small-Cap Fdmtl Val Inv2.08%266K$14.5M−3,393 (−1.3%)September 30, 2026
5Tributary Small Company Instl1.06%136K$7.4M−2,814 (−2.0%)September 30, 2026
6ProShares S&PTech Div Arstcrts ETF1.04%133K$7.3M—September 30, 2026
7Fidelity Small Cap Index1.00%127K$7.0M+698 (+0.6%)July 31, 2026
8iShares Russell 2000 Growth ETF0.84%107K$5.9M−136 (−0.1%)September 30, 2026
9Crawford Small Cap Dividend0.73%93K$5.1M—August 31, 2026
10DFA US Small Cap I0.61%78K$4.3M—August 31, 2026
11Avantis US Small Cap Value ETF0.60%77K$4.2M+1,584 (+2.1%)September 30, 2026
12SQUAD Point Five I0.58%74K$4.0M+69 (+0.1%)June 30, 2026
13Keeley Gabelli Small Cap Dividend I0.54%69K$3.8M—August 31, 2026
14Vanguard Russell 2000 ETF0.53%68K$3.7M+713 (+1.1%)September 30, 2026
15Vanguard Dividend Appreciation ETF0.50%64K$3.5M−1,147 (−1.8%)September 30, 2026
16FTF Royce US Smaller Companies W Acc0.50%63K$3.5M−5,572 (−8.1%)June 30, 2026
17Schwab US Small-Cap ETF™0.46%59K$3.2M+36 (+0.1%)September 30, 2026
18Fidelity Extended Market Index0.43%55K$3.0M−3,573 (−6.1%)August 31, 2026
19Ballast Small/Mid Cap ETF0.40%52K$2.8M—September 30, 2026
20DFA US Micro Cap I0.37%47K$2.6M—August 31, 2026

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

CASS insider transactions

latest 1
Cass Information Systems, Inc. insider transactions
DateNameTransactionPriceSharesValue
2025-08-01Michael James NormileBuy$39.61200$7,922

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.

CASS shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns CASS

Institutional investors own 63.7% of Cass Information Systems's shares and insiders 11.74%. The largest holder is BlackRock Inc with 7.82% of the shares (1.0M), 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 3.15% of the float, or 4.43 days of average trading volume. The share count fell 15.2% since 2014.

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

CASS ownership FAQ

Who owns the most Cass Information Systems stock?

The largest shareholders of Cass Information Systems are BlackRock Inc (7.82%), Vanguard Capital Management, LLC (4.21%), Brown Advisory Holdings Inc (4.12%), Heartland Advisors Inc (3.85%), Speece Thorson Capital Group Inc (2.71%).

What percentage of Cass Information Systems is owned by institutions?

Institutions hold 63.7% of Cass Information Systems's shares outstanding; insiders hold 11.74%.

Which funds own Cass Information Systems?

The largest fund holders of Cass Information Systems are Vanguard MStar Total Stk Mkt Idx Invest (3.11%), Heartland Value Investor (2.93%), iShares Russell 2000 ETF (2.89%), Brown Advisory Small-Cap Fdmtl Val Inv (2.08%), Tributary Small Company Instl (1.06%).

What is Cass Information Systems's short interest?

389K shares of Cass Information Systems were sold short, 3.15% of the float; at the average daily volume it would take 4.43 days to cover.

Are insiders buying or selling Cass Information Systems?

Of the latest 1 reported insider transactions in Cass Information Systems (since August 1, 2025), 1 were purchases and 0 were sales.

How many shares of Cass Information Systems are outstanding?

Cass Information Systems has 12.8M shares outstanding, of which 11.2M are in the public float.

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