1st Source Corporation
US ˙ NasdaqGS ˙ US3369011032

SecuritySRCE / 1st Source Corporation
InstitutionMorgan Stanley
Latest Disclosed Ownership102,228 shares
Latest Disclosed Value $ 7,075,225
Morgan Stanley reports 2.92% decrease in ownership of SRCE / 1st Source Corporation

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 102,228 shares of 1st Source Corporation (US:SRCE) valued at $7,075,200 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 105,305 shares of 1st Source Corporation. This represents a change in shares of -2.92% during the quarter. The current value of the position is $7,631,320 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 1ST SOURCE COM 336901103 102,228 -3,077 -2.92 7,075 7.52 0.0004
2026-05-27 2025-12-31 13F/A-1 1ST SOURCE COM 336901103 105,305 20,416 24.05 6,581 25.93 0.0004
2026-02-13 2025-12-31 13F 1ST SOURCE COM 336901103 105,305 20,416 6,581 0.0004
2026-05-27 2025-09-30 13F/A-1 1ST SOURCE COM 336901103 84,889 10,321 13.84 5,226 12.90 0.0003
2025-11-14 2025-09-30 13F 1ST SOURCE COM 336901103 84,889 10,321 5,226 0.0003
2025-08-15 2025-06-30 13F 1ST SOURCE COM 336901103 74,568 -18,571 -19.94 4,628 -16.91 0.0003
2025-05-15 2025-03-31 13F 1ST SOURCE COM 336901103 93,139 -32,897 -26.10 5,571 -24.30 0.0004
2025-05-15 2024-12-31 13F/A-1 1ST SOURCE COM 336901103 126,036 -34,722 -21.60 7,358 -23.56 0.0005
2025-02-14 2024-12-31 13F 1ST SOURCE COM 336901103 126,036 -34,722 7,358 0.0005
2025-05-14 2024-09-30 13F/A-2 1ST SOURCE COM 336901103 160,758 75,653 88.89 9,626 110.96 0.0007
2025-02-14 2024-09-30 13F/A-1 1ST SOURCE COM 336901103 160,758 75,653 9,626 0.0007
2024-11-14 2024-09-30 13F 1ST SOURCE COM 336901103 160,758 75,653 9,626 0.0001
2025-05-14 2024-06-30 13F/A-2 1ST SOURCE COM 336901103 85,105 754 0.89 4,563 3.21 0.0004
2024-10-17 2024-06-30 13F/A-1 1ST SOURCE COM 336901103 85,105 754 4,563 0.0004
2024-08-14 2024-06-30 13F 1ST SOURCE COM 336901103 85,105 754 4,563 0.0004
2024-10-17 2024-03-31 13F/A-2 1ST SOURCE COM 336901103 84,351 -4,189 -4.73 4,422 -9.13 0.0004
2024-08-16 2024-03-31 13F/A-1 1ST SOURCE COM 336901103 84,351 -4,189 4,422 0.0000
2024-05-15 2024-03-31 13F 1ST SOURCE COM 336901103 84,351 -4,189 4,422 0.0004
2024-08-16 2023-12-31 13F/A-1 1ST SOURCE COM 336901103 88,540 34,712 64.49 4,865 114.79 0.0004
2024-02-13 2023-12-31 13F 1ST SOURCE COM 336901103 88,540 34,712 4,865 0.0004
2023-11-15 2023-09-30 13F 1ST SOURCE COM 336901103 53,828 -16,196 -23.13 2,266 -22.85 0.0002
2023-08-14 2023-06-30 13F 1ST SOURCE COM 336901103 70,024 -7,802 -10.02 2,936 -12.57 0.0003
2023-05-15 2023-03-31 13F 1ST SOURCE COM 336901103 77,826 -8,375 -9.72 3,358 -26.62 0.0004
2023-02-14 2022-12-31 13F 1ST SOURCE COM 336901103 86,201 6,013 7.50 4,576 23.28 0.0005
2022-11-14 2022-09-30 13F 1ST SOURCE COM 336901103 80,188 -856 -1.06 3,712 0.84 0.0005
2022-10-27 2022-06-30 13F/A-1 1ST SOURCE COM 336901103 81,044 45,331 126.93 3,681 122.96 0.0005
2022-08-15 2022-06-30 13F 1ST SOURCE COM 336901103 81,044 45,331 3,681 0.0001
2022-10-27 2022-03-31 13F/A-1 1ST SOURCE COM 336901103 35,713 -15,475 -30.23 1,651 -34.97 0.0002
2022-05-13 2022-03-31 13F 1ST SOURCE COM 336901103 35,713 -15,475 1,651 0.0002
2022-02-14 2021-12-31 13F 1ST SOURCE COM 336901103 51,188 2,096 4.27 2,539 9.53 0.0003
2021-11-15 2021-09-30 13F 1ST SOURCE COM 336901103 49,092 -4,716 -8.76 2,318 -7.24 0.0003
2021-08-23 2021-06-30 13F/A-1 1ST SOURCE COM 336901103 53,808 35,012 186.27 2,499 179.53 0.0003
2021-08-16 2021-06-30 13F 1ST SOURCE COM 336901103 53,808 35,012 2,499 0.0001
2021-05-17 2021-03-31 13F 1ST SOURCE COM 336901103 18,796 -13,696 -42.15 894 -31.76 0.0001
2021-02-16 2020-12-31 13F 1ST SOURCE COM 336901103 32,492 20,389 168.46 1,310 251.21 0.0002
2020-11-13 2020-09-30 13F 1ST SOURCE COM 336901103 12,103 -3,673 -23.28 373 -33.63 0.0001
2020-08-14 2020-06-30 13F 1ST SOURCE COM 336901103 15,776 3,145 24.90 562 37.07 0.0001
2020-05-26 2020-03-31 13F/A-1 1ST SOURCE COM 336901103 12,631 -19,651 -60.87 410 -75.52 0.0001
2020-05-15 2020-03-31 13F 1ST SOURCE COM 336901103 12,631 -19,651 410 31.4965
2020-02-14 2019-12-31 13F 1ST SOURCE COM 336901103 32,282 13,166 68.87 1,675 91.43 0.0004
2019-11-14 2019-09-30 13F 1ST SOURCE COM 336901103 19,116 1,050 5.81 875 4.29 0.0002
2019-08-14 2019-06-30 13F 1ST SOURCE COM 336901103 18,066 -16,215 -47.30 839 -45.48 0.0002
2019-05-15 2019-03-31 13F 1ST SOURCE COM 336901103 34,281 -37,476 -52.23 1,539 -46.82 0.0004
2019-02-14 2018-12-31 13F 1ST SOURCE COM 336901103 71,757 32,699 83.72 2,894 40.90 0.0009
2019-04-23 2018-09-30 13F/A-2 1ST SOURCE COM 336901103 39,058 -2,425 -5.85 2,054 -7.31 0.0005
2018-11-20 2018-09-30 13F/A-1 1ST SOURCE COM 336901103 39,058 0 2,054 0.0005
2018-11-14 2018-09-30 13F 1ST SOURCE COM 336901103 39,058 -2,425 2,054
2019-04-23 2018-06-30 13F/A-1 1ST SOURCE COM 336901103 41,483 753 1.85 2,216 7.47 0.0006
2018-08-14 2018-06-30 13F 1ST SOURCE COM 336901103 41,483 753 2,216
2019-04-23 2018-03-31 13F/A-1 1ST SOURCE COM 336901103 40,730 -12,443 -23.40 2,062 -21.57 0.0006
2018-05-14 2018-03-31 13F 1ST SOURCE COM 336901103 40,730 -12,443 2,062
2019-04-23 2017-12-31 13F/A-1 1ST SOURCE COM 336901103 53,173 28,837 118.50 2,629 112.70 0.0007
2018-02-14 2017-12-31 13F 1ST SOURCE COM 336901103 53,173 28,837 2,629
2017-11-14 2017-09-30 13F 1ST SOURCE COM 336901103 24,336 7,427 43.92 1,236 52.59 0.0004
2017-08-11 2017-06-30 13F 1ST SOURCE COM 336901103 16,909 -3,690 -17.91 810 -16.24 0.0002
2017-05-22 2017-03-31 13F/A-1 1ST SOURCE COM 336901103 20,599 -34,376 -62.53 967 -60.61 0.0003
2017-05-12 2017-03-31 13F 1ST SOURCE COM 336901103 20,599 967
2017-02-22 2016-12-31 13F/A-1 1ST SOURCE COM 336901103 54,975 39,335 251.50 2,455 339.96 0.0008
2017-02-13 2016-12-31 13F 1ST SOURCE COM 336901103 54,975 2,455
2016-11-10 2016-09-30 13F 1ST SOURCE COM 336901103 15,640 12,519 401.12 558 452.48 0.0002
2016-08-12 2016-06-30 13F 1ST SOURCE COM 336901103 3,121 -1,035 -24.90 101 -23.48 0.0000
2016-05-12 2016-03-31 13F 1ST SOURCE COM 336901103 4,156 -29,937 -87.81 132 -87.46 0.0001
2016-02-09 2015-12-31 13F 1ST SOURCE COM 336901103 34,093 34,019 45,971.62 1,053 52,550.00 0.0004
2016-02-08 2015-09-30 13F/A-1 1ST SOURCE COM 336901103 74 -1,712 -95.86 2 -96.72 0.0000
2015-11-09 2015-09-30 13F 1ST SOURCE COM 336901103 74 2
2015-08-12 2015-06-30 13F 1ST SOURCE COM 336901103 1,786 -2,699 -60.18 61 -57.64 0.0000
2015-05-14 2015-03-31 13F 1ST SOURCE COM 336901103 4,485 4,476 49,733.33 144 136.07 0.0001
2015-02-13 2014-12-31 13F 1ST SOURCE COM 336901103 9 -14,626 -99.94 0 -100.00
2014-12-16 2014-09-30 13F/A-1 1ST SOURCE COM 336901103 14,635 -61,145 -80.69 417 -82.85 0.0002
2014-11-14 2014-09-30 13F 1ST SOURCE COM 336901103 14,635 417
2014-05-13 2014-03-31 13F 1ST SOURCE COM 336901103 75,780 13,435 21.55 2,432 22.15 0.0010
2014-02-13 2013-12-31 13F 1ST SOURCE COM 336901103 62,345 21,930 54.26 1,991 83.00 0.0008
2013-11-13 2013-09-30 13F 1ST SOURCE CORP COM ST COM 336901103 40,415 13,802 51.86 1,088 72.15 0.0005
2013-08-08 2013-06-30 13F 1ST SOURCE CORP COM ST COM 336901103 26,613 26,613 632 0.0003
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.