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US ˙ NasdaqGS ˙ US1640241014

SecurityCHMG / Chemung Financial Corporation
InstitutionRenaissance Technologies Llc
ManagerJames Simons
Latest Disclosed Ownership41,222 shares
Latest Disclosed Value $ 2,218,568
Renaissance Technologies Llc reports 3.96% decrease in ownership of CHMG / Chemung Financial Corporation

On May 14, 2026 - Renaissance Technologies Llc filed a 13F-HR form disclosing ownership of 41,222 shares of Chemung Financial Corporation (US:CHMG) valued at $2,218,568 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 42,922 shares of Chemung Financial Corporation. This represents a change in shares of -3.96% during the quarter. The current value of the position is $2,927,999 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)
2026-05-14 2026-03-31 13F CHEMUNG FINL COM 164024101 41,222 -1,700 -3.96 2,219 -7.39 0.0035
2026-02-12 2025-12-31 13F CHEMUNG FINL COM 164024101 42,922 -2,500 -5.50 2,395 0.42 0.0037
2025-11-13 2025-09-30 13F CHEMUNG FINL COM 164024101 45,422 -4,000 -8.09 2,386 -0.42 0.0031
2025-08-13 2025-06-30 13F CHEMUNG FINL COM 164024101 49,422 -500 -1.00 2,395 0.88 0.0032
2025-05-14 2025-03-31 13F CHEMUNG FINL COM 164024101 49,922 7,600 17.96 2,375 14.96 0.0036
2025-02-13 2024-12-31 13F CHEMUNG FINL COM 164024101 42,322 3,581 9.24 2,066 11.02 0.0031
2024-11-13 2024-09-30 13F CHEMUNG FINL COM 164024101 38,741 4,419 12.88 1,860 12.93 0.0028
2024-08-09 2024-06-30 13F CHEMUNG FINL COM 164024101 34,322 1,400 4.25 1,647 164,600.00 0.0028
2024-05-13 2024-03-31 13F CHEMUNG FINL COM 164024101 32,922 -100 -0.30 1 0.00 0.0022
2024-02-13 2023-12-31 13F CHEMUNG FINL COM 164024101 33,022 0 0.00 2 0.00 0.0025
2023-11-14 2023-09-30 13F CHEMUNG FINL COM 164024101 33,022 -300 -0.90 1 0.00 0.0022
2023-08-11 2023-06-30 13F CHEMUNG FINL COM 164024101 33,322 1,014 3.14 1 0.00 0.0018
2023-05-12 2023-03-31 13F CHEMUNG FINL COM 164024101 32,308 -10,283 -24.14 1 0.00 0.0018
2023-02-13 2022-12-31 13F CHEMUNG FINL COM 164024101 42,591 -831 -1.91 2 -99.94 0.0027
2022-11-14 2022-09-30 13F CHEMUNG FINL COM 164024101 43,422 -11,900 -21.51 1,818 -30.08 0.0026
2022-08-12 2022-06-30 13F CHEMUNG FINL COM 164024101 55,322 -2,987 -5.12 2,600 -4.48 0.0031
2022-05-13 2022-03-31 13F CHEMUNG FINL COM 164024101 58,309 -4,205 -6.73 2,722 -6.27 0.0032
2022-02-11 2021-12-31 13F CHEMUNG FINL COM 164024101 62,514 -2,308 -3.56 2,904 -1.09 0.0036
2021-11-12 2021-09-30 13F CHEMUNG FINL COM 164024101 64,822 -8,299 -11.35 2,936 -9.38 0.0038
2021-08-13 2021-06-30 13F CHEMUNG FINL COM 164024101 73,121 -1 -0.00 3,240 5.95 0.0040
2021-05-13 2021-03-31 13F CHEMUNG FINL COM 164024101 73,122 3,392 4.86 3,058 29.19 0.0038
2021-02-10 2020-12-31 13F CHEMUNG FINL COM 164024101 69,730 -3,358 -4.59 2,367 12.18 0.0026
2020-11-13 2020-09-30 13F CHEMUNG FINL COM 164024101 73,088 -5,000 -6.40 2,110 -1.03 0.0021
2020-08-13 2020-06-30 13F CHEMUNG FINL COM 164024101 78,088 -1,600 -2.01 2,132 -18.87 0.0018
2020-05-14 2020-03-31 13F CHEMUNG FINL COM 164024101 79,688 -5,700 -6.68 2,628 -27.58 0.0026
2020-02-13 2019-12-31 13F CHEMUNG FINL COM 164024101 85,388 -900 -1.04 3,629 0.14 0.0028
2019-11-13 2019-09-30 13F CHEMUNG FINL COM 164024101 86,288 4,900 6.02 3,624 -7.88 0.0031
2019-08-12 2019-06-30 13F CHEMUNG FINL COM 164024101 81,388 6,288 8.37 3,934 11.63 0.0035
2019-05-14 2019-03-31 13F CHEMUNG FINL COM 164024101 75,100 9,300 14.13 3,524 29.65 0.0032
2019-02-12 2018-12-31 13F CHEMUNG FINL COM 164024101 65,800 -4,775 -6.77 2,718 -9.22 0.0030
2018-11-13 2018-09-30 13F CHEMUNG FINL COM 164024101 70,575 9,075 14.76 2,994 -2.86 0.0031
2018-08-13 2018-06-30 13F/A-1 CHEMUNG FINL COM 164024101 61,500 5,543 9.91 3,082 18.54 0.0034
2018-08-13 2018-06-30 13F CHEMUNG FINL COM 164024101 55,957 2,600
2018-05-14 2018-03-31 13F CHEMUNG FINL COM 164024101 55,957 -1,282 -2.24 2,600 -5.56 0.0028
2018-02-13 2017-12-31 13F CHEMUNG FINL COM 164024101 57,239 3,239 6.00 2,753 8.26 0.0030
2017-11-13 2017-09-30 13F CHEMUNG FINL COM 164024101 54,000 12,049 28.72 2,543 48.28 0.0030
2017-08-11 2017-06-30 13F CHEMUNG FINL COM 164024101 41,951 2,851 7.29 1,715 11.08 0.0022
2017-05-12 2017-03-31 13F CHEMUNG FINL COM 164024101 39,100 4,800 13.99 1,544 23.82 0.0022
2017-02-13 2016-12-31 13F CHEMUNG FINL COM 164024101 34,300 7,400 27.51 1,247 59.87 0.0020
2016-11-14 2016-09-30 13F CHEMUNG FINL COM 164024101 26,900 226 0.85 780 -0.38 0.0014
2016-08-12 2016-06-30 13F CHEMUNG FINL COM 164024101 26,674 4,674 21.25 783 35.00 0.0015
2016-05-13 2016-03-31 13F CHEMUNG FINL COM 164024101 22,000 11,200 103.70 580 95.29 0.0011
2016-02-11 2015-12-31 13F CHEMUNG FINL COM 164024101 10,800 1,600 17.39 297 15.12 0.0006
2015-11-12 2015-09-30 13F CHEMUNG FINL COM 164024101 9,200 9,200 258 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.