Cass Information Systems, Inc.
US ˙ NasdaqGS ˙ US14808P1093

SecurityCASS / Cass Information Systems, Inc.
InstitutionBrown Advisory Inc
Latest Disclosed Ownership521,640 shares
Latest Disclosed Value $ 22,962,612
Brown Advisory Inc reports 3.39% decrease in ownership of CASS / Cass Information Systems, Inc.

On May 15, 2026 - Brown Advisory Inc filed a 13F-HR form disclosing ownership of 521,640 shares of Cass Information Systems, Inc. (US:CASS) valued at $22,962,593 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 539,932 shares of Cass Information Systems, Inc.. This represents a change in shares of -3.39% during the quarter. The current value of the position is $23,844,164 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F CASS INFORMATION SYS COM 14808P109 521,640 -18,292 -3.39 22,963 2.43 0.0168
2026-02-13 2025-12-31 13F CASS INFORMATION SYS COM 14808P109 539,932 530,380 5,552.55 22,418 5,877.87 0.0313
2025-11-14 2025-09-30 13F CASS INFORMATION SYS COM 14808P109 9,552 0 0.00 376 -9.64 0.0005
2025-08-13 2025-06-30 13F CASS INFORMATION SYS COM 14808P109 9,552 -610 -6.00 415 -5.47 0.0005
2025-04-30 2025-03-31 13F CASS INFORMATION SYS COM 14808P109 10,162 0 0.00 440 5.78 0.0006
2025-02-14 2024-12-31 13F CASS INFORMATION SYS COM 14808P109 10,162 0 0.00 416 -1.43 0.0005
2024-11-13 2024-09-30 13F CASS INFORMATION SYS COM 14808P109 10,162 0 0.00 422 3.44 0.0005
2024-08-14 2024-06-30 13F CASS INFORMATION SYS COM 14808P109 10,162 2,270 28.76 407 7.11 0.0005
2024-04-24 2024-03-31 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 380 7.04 0.0005
2024-02-08 2023-12-31 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 356 21.16 0.0005
2023-10-25 2023-09-30 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 294 -4.25 0.0005
2023-07-31 2023-06-30 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 306 -10.26 0.0005
2023-05-08 2023-03-31 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 342 -5.54 0.0006
2023-02-13 2022-12-31 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 362 31.75 0.0007
2022-11-14 2022-09-30 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 274 2.62 0.0005
2022-11-14 2022-06-30 13F/A-2 CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 267 -8.25 0.0005
2022-09-13 2022-06-30 13F/A-1 CASS INFORMATION SYS COM 14808P109 7,892 0 267 0.0005
2022-08-02 2022-06-30 13F CASS INFORMATION SYS COM 14808P109 7,892 0 267 0.0002
2022-11-14 2022-03-31 13F/A-2 CASS INFORMATION SYS COM 14808P109 7,892 -3 -0.04 291 -6.13 0.0004
2022-09-13 2022-03-31 13F/A-1 CASS INFORMATION SYS COM 14808P109 7,892 -3 291 0.0004
2022-05-09 2022-03-31 13F CASS INFORMATION SYS COM 14808P109 7,892 -3 291 0.0004
2022-01-27 2021-12-31 13F CASS INFORMATION SYS COM 14808P109 7,895 0 0.00 310 -6.06 0.0004
2021-11-12 2021-09-30 13F CASS INFORMATION SYS COM 14808P109 7,895 3 0.04 330 2.48 0.0005
2021-07-29 2021-06-30 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 322 -11.78 0.0005
2021-05-14 2021-03-31 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 365 18.89 0.0006
2021-02-12 2020-12-31 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 307 -3.46 0.0005
2020-11-16 2020-09-30 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 318 3.25 0.0007
2020-08-14 2020-06-30 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 308 11.19 0.0007
2020-05-15 2020-03-31 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 277 -39.25 0.0008
2020-02-14 2019-12-31 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 456 7.04 0.0012
2019-11-14 2019-09-30 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 426 11.23 0.0012
2019-08-12 2019-06-30 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 383 2.68 0.0011
2019-05-15 2019-03-31 13F CASS INFORMATION SYS COM 14808P109 7,892 0 0.00 373 -10.77 0.0011
2019-02-13 2018-12-31 13F CASS INFORMATION SYS COM 14808P109 7,892 1,314 19.98 418 -2.34 0.0014
2018-11-13 2018-09-30 13F CASS INFORMATION SYS COM 14808P109 6,578 0 0.00 428 -5.52 0.0012
2018-08-10 2018-06-30 13F CASS INFORMATION SYS COM 14808P109 6,578 0 0.00 453 15.86 0.0014
2018-06-28 2018-03-31 13F/A-1 CASS INFORMATION SYS COM 14808P109 6,578 0 0.00 391 2.09 0.0013
2018-05-14 2018-03-31 13F CASS INFORMATION SYS COM 14808P109 6,578 0 391
2018-02-12 2017-12-31 13F CASS INFORMATION SYS COM 14808P109 6,578 598 10.00 383 1.06 0.0012
2017-11-13 2017-09-30 13F CASS INFORMATION SYS COM 14808P109 5,980 0 0.00 379 -3.56 0.0013
2017-08-14 2017-06-30 13F CASS INFORMATION SYS COM 14808P109 5,980 0 0.00 393 -0.51 0.0012
2017-05-15 2017-03-31 13F CASS INFORMATION SYS COM 14808P109 5,980 0 0.00 395 -10.23 0.0013
2017-02-13 2016-12-31 13F CASS INFORMATION SYS COM 14808P109 5,980 -70 -1.16 440 28.28 0.0016
2016-11-14 2016-09-30 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 343 9.58 0.0012
2016-08-09 2016-06-30 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 313 -1.26 0.0011
2016-05-13 2016-03-31 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 317 1.93 0.0011
2016-02-08 2015-12-31 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 311 4.71 0.0011
2015-11-13 2015-09-30 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 297 -12.65 0.0011
2015-08-11 2015-06-30 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 340 0.00 0.0011
2015-05-14 2015-03-31 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 340 5.59 0.0011
2015-02-13 2014-12-31 13F/A-1 CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 322 28.80 0.0010
2015-02-09 2014-12-31 13F CASS INFORMATION SYS COM 14808P109 6,050 322
2014-11-10 2014-09-30 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 250 -16.39 0.0008
2014-08-08 2014-06-30 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 299 -4.17 0.0009
2014-05-13 2014-03-31 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 312 -23.34 0.0010
2014-02-11 2013-12-31 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 407 26.01 0.0013
2013-11-08 2013-09-30 13F CASS INFORMATION SYS COM 14808P109 6,050 0 0.00 323 15.77 0.0012
2013-08-13 2013-06-30 13F CASS INFORMATION SYS COM 14808P109 6,050 6,050 279 0.0011
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.