J. Mariner Kemper owns 3.36% of Umb Financial
2,554,330 shares as of the August 4, 2026 filing, worth $335M at the latest close.
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Free.
The stake
3.36%
worth $335M at the latest close
Stake rank
#200
by dollar value of the stake
Last sale
76 days ago
Aug 4, 2026
Last buy
None
no purchases since 2017
J. Mariner Kemper owns 3.36% of UMB FINANCIAL CORP: 2,554,329 of 75,950,030 shares, worth about $335M at the 2026-10-16 close. The stake has moved from 6.16% in 2016 to 3.36% on 2026-08-04, across 199 sales and 0 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $2.2M on 2026-08-04.
How the stake is held
as of the Aug 4, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Aug 4, 2026 · Form 4 ↗
HELD DIRECTLY
328,710
12.9%
HELD INDIRECTLY · 11 VEHICLES
2,225,619
87.1%
By Trust - RC Kemper Irrevocable Trust
1,491,138
58.4%
Held by Pioneer Service Corporation
392,029
15.3%
Held by Kemper Realty
288,945
11.3%
By Trust - TUW RC Kemper For John Mariner
21,460
0.8%
By Trust: Mary S Hunt Trust
12,558
0.5%
By Trust: Megan Kemper Trust
8,217
0.3%
THE STAKE
2,554,329
3.36%