Great Southern Bancorp, Inc.
US ˙ NasdaqGS ˙ US3909051076

SecurityGSBC / Great Southern Bancorp, Inc.
InstitutionJpmorgan Chase & Co
Latest Disclosed Ownership3,405 shares
Latest Disclosed Value $ 213,153
Jpmorgan Chase & Co reports 77.08% decrease in ownership of GSBC / Great Southern Bancorp, Inc.

On May 13, 2026 - Jpmorgan Chase & Co filed a 13F-HR/A form disclosing ownership of 3,405 shares of Great Southern Bancorp, Inc. (US:GSBC) valued at $214,958 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 14,855 shares of Great Southern Bancorp, Inc.. This represents a change in shares of -77.08% during the quarter. The current value of the position is $249,621 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)
2026-05-13 2026-03-31 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 3,405 -11,450 -77.08 213 -76.70 0.0000
2026-02-11 2025-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 14,855 -1,597 -9.71 914 -9.24 0.0001
2025-11-26 2025-09-30 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 16,452 8,287 101.49 1,008 110.23 0.0001
2025-11-07 2025-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 16,452 8,287 1,008 0.0000
2025-08-12 2025-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 8,165 -9,330 -53.33 480 -50.52 0.0000
2025-05-12 2025-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 17,495 -16,921 -49.17 969 -52.87 0.0001
2025-02-12 2024-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 34,416 15,637 83.27 2,055 90.89 0.0002
2024-12-26 2024-09-30 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 18,779 9,325 98.64 1,076 104.95 0.0001
2024-11-08 2024-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 18,779 9,325 1,076 0.0001
2024-12-26 2024-06-30 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 9,454 -7,871 -45.43 526 -44.68 0.0000
2024-08-12 2024-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 9,454 -7,871 526 0.0000
2024-12-26 2024-03-31 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 17,325 7,664 79.33 950 65.62 0.0001
2024-05-10 2024-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 17,325 7,664 950 0.0001
2024-12-26 2023-12-31 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 9,661 3,358 53.28 573 89.74 0.0001
2024-02-12 2023-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 9,661 3,358 573 0.0001
2023-11-14 2023-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 6,303 -2,359 -27.23 302 -31.21 0.0000
2023-08-11 2023-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 8,662 -1,302 -13.07 439 -13.07 0.0000
2023-05-18 2023-03-31 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 9,964 255 2.63 505 0.0001
2023-05-11 2023-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 2,818 -6,891 143 0.0000
2023-02-13 2022-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 9,709 -27,032 -73.57 1 -100.00 0.0001
2022-11-14 2022-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 36,741 -28,653 -43.82 2,097 -45.25 0.0003
2022-08-11 2022-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 65,394 -657 -0.99 3,830 -1.74 0.0005
2022-05-11 2022-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 66,051 -33,905 -33.92 3,898 -34.19 0.0005
2022-02-11 2021-12-31 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 99,956 -2,300 -2.25 5,923 5.67 0.0007
2022-02-10 2021-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 99,956 -2,300 5,923 0.0007
2021-11-12 2021-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 102,256 -23,019 -18.37 5,605 -16.99 0.0007
2021-08-12 2021-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 125,275 -25,104 -16.69 6,752 -20.77 0.0008
2021-05-12 2021-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 150,379 -11,846 -7.30 8,522 7.42 0.0011
2021-02-19 2020-12-31 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 162,225 347 0.21 7,933 35.49 0.0012
2021-02-11 2020-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 162,225 347 7,933 196.1887
2020-11-12 2020-09-30 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 161,878 -20,171 -11.08 5,855 -20.31 0.0010
2020-11-12 2020-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 161,878 5,855
2020-08-11 2020-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 182,049 39,653 27.85 7,347 27.71 0.0014
2020-05-12 2020-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 142,396 38,244 36.72 5,753 -12.75 0.0014
2020-02-11 2019-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 104,152 -454 -0.43 6,594 10.67 0.0012
2019-11-12 2019-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 104,606 1,914 1.86 5,958 -2.54 0.0012
2019-08-07 2019-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 102,692 347 0.34 6,113 15.08 0.0012
2019-05-07 2019-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 102,345 -701 -0.68 5,312 11.97 0.0011
2019-02-11 2018-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 103,046 -512 -0.49 4,744 -17.24 0.0011
2018-11-13 2018-09-30 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 103,558 -1,560 -1.48 5,732 -4.67 0.0011
2018-11-07 2018-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 103,558 -1,560 5,732
2018-08-14 2018-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 105,118 -10,810 -9.32 6,013 3.83 0.0012
2018-05-10 2018-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 115,928 -9,714 -7.73 5,791 -10.76 0.0012
2018-02-13 2017-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 125,642 -3,483 -2.70 6,489 -9.86 0.0014
2017-11-09 2017-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 129,125 -7,188 -5.27 7,199 -1.29 0.0016
2017-08-09 2017-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 136,313 -13,092 -8.76 7,293 -3.34 0.0017
2017-05-10 2017-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 149,405 -19,288 -11.43 7,545 -18.17 0.0017
2017-02-06 2016-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 168,693 32,722 24.07 9,220 66.58 0.0022
2016-11-04 2016-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 135,971 2,398 1.80 5,535 12.09 0.0014
2016-08-08 2016-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 133,573 1,245 0.94 4,938 0.51 0.0012
2016-05-10 2016-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 132,328 34,325 35.02 4,913 10.78 0.0013
2016-02-12 2015-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 98,003 -2,273 -2.27 4,435 2.14 0.0011
2015-11-13 2015-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 100,276 1,100 1.11 4,342 3.90 0.0012
2015-08-14 2015-06-30 13F GREAT SOUTHERN BANCORP COMMON 390905107 99,176 1,791 1.84 4,179 8.94 0.0010
2015-05-15 2015-03-31 13F GREAT SOUTHERN BANCORP COMMON 390905107 97,385 -3,075 -3.06 3,836 -3.76 0.0009
2015-02-13 2014-12-31 13F GREAT SOUTHERN BANCORP COMMON 390905107 100,460 -1,180 -1.16 3,986 29.29 0.0009
2014-12-08 2014-09-30 13F/A-1 GREAT SOUTHERN BANCORP COMMON 390905107 101,640 290 0.29 3,083 -5.08 0.0007
2014-11-14 2014-09-30 13F GREAT SOUTHERN BANCORP COMMON 390905107 101,640 3,083
2014-09-03 2014-06-30 13F/A-1 GREAT SOUTHERN BANCORP COMMON 390905107 101,350 -2,480 -2.39 3,248 4.20 0.0008
2014-08-14 2014-06-30 13F GREAT SOUTHERN BANCORP COMMON 390905107 101,350 3,248
2014-05-15 2014-03-31 13F GREAT SOUTHN BANCORP COMMON 390905107 103,830 3,325 3.31 3,117 2.00 0.0009
2014-02-26 2013-12-31 13F/A-1 GREAT SOUTHN BANCORP COMMON 390905107 100,505 -7,167 -6.66 3,056 0.53 0.0009
2014-02-13 2013-12-31 13F GREAT SOUTHN BANCORP COMMON 390905107 100,505 3,056
2013-10-31 2013-09-30 13F GREAT SOUTHN BANCORP COMMON 390905107 107,672 36,141 50.52 3,040 57.68 0.0009
2013-08-13 2013-06-30 13F GREAT SOUTHN BANCORP COMMON 390905107 71,531 71,531 1,928 0.0006
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.