Northern Trust Corporation
MX ˙ BMV ˙ US6658591044
SecurityMX:NTRS / Northern Trust Corporation
InstitutionMassmutual Trust Co Fsb/adv
Latest Disclosed Ownership947 shares
Latest Disclosed Value $ 132,173
Massmutual Trust Co Fsb/adv reports 12.40% decrease in ownership of NTRS / Northern Trust Corporation

On April 13, 2026 - Massmutual Trust Co Fsb/adv filed a 13F-HR form disclosing ownership of 947 shares of Northern Trust Corporation (MX:NTRS) valued at $132,173 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 7, 2026 disclosing 1,081 shares of Northern Trust Corporation. This represents a change in shares of -12.40% during the quarter.

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)
2026-04-13 2026-03-31 13F Northern Trust Common / Ordinary Stock 665859104 947 -134 -12.40 132 -10.20 0.0036
2026-01-07 2025-12-31 13F Northern Trust Common / Ordinary Stock 665859104 1,081 15 1.41 148 2.80 0.0038
2025-10-22 2025-09-30 13F Northern Trust Common / Ordinary Stock 665859104 1,066 4 0.38 143 6.72 0.0037
2025-07-09 2025-06-30 13F Northern Trust Common / Ordinary Stock 665859104 1,062 88 9.03 135 39.58 0.0036
2025-04-01 2025-03-31 13F Northern Trust Common / Ordinary Stock 665859104 974 33 3.51 96 0.00 0.0028
2025-01-16 2024-12-31 13F Northern Trust Common / Ordinary Stock 665859104 941 19 2.06 96 15.66 0.0027
2024-10-02 2024-09-30 13F Northern Trust Common / Ordinary Stock 665859104 922 117 14.53 83 23.88 0.0024
2024-07-02 2024-06-30 13F Northern Trust Common / Ordinary Stock 665859104 805 151 23.09 68 15.52 0.0021
2024-04-09 2024-03-31 13F Northern Trust Common / Ordinary Stock 665859104 654 0 0.00 58 5.45 0.0018
2024-01-03 2023-12-31 13F Northern Trust Common / Ordinary Stock 665859104 654 164 33.47 55 61.76 0.0019
2023-10-04 2023-09-30 13F Northern Trust Common / Ordinary Stock 665859104 490 88 21.89 34 17.24 0.0013
2023-08-02 2023-06-30 13F Northern Trust Common / Ordinary Stock 665859104 402 40 11.05 30 -6.45 0.0011
2023-04-11 2023-03-31 13F Northern Trust Common / Ordinary Stock 665859104 362 43 13.48 32 0.0012
2023-01-06 2022-12-31 13F Northern Trust Common / Ordinary Stock 665859104 319 189 145.38 0 0.0012
2022-10-07 2022-09-30 13F Northern Trust Common / Ordinary Stock 665859104 130 63 94.03 0 0.0005
2022-07-07 2022-06-30 13F Northern Trust Common / Ordinary Stock 665859104 67 -15 -18.29 0 0.0003
2022-04-08 2022-03-31 13F Northern Trust Common / Ordinary Stock 665859104 82 22 36.67 0 0.0004
2022-02-09 2021-12-31 13F Northern Trust Common / Ordinary Stock 665859104 60 9 17.65 0 0.0003
2021-11-12 2021-09-30 13F Northern Trust Common / Ordinary Stock 665859104 51 0 0.00 0 0.0002
2021-08-16 2021-06-30 13F Northern Trust Common / Ordinary Stock 665859104 51 41 410.00 0 0.0003
2021-05-17 2021-03-31 13F Northern Trust Common / Ordinary Stock 665859104 10 -4,155 -99.76 0 0.0000
2021-02-16 2020-12-31 13F Northern Trust Common / Ordinary Stock 665859104 4,165 94 2.31 0 0.0199
2020-11-13 2020-09-30 13F Northern Trust Common / Ordinary Stock 665859104 4,071 325 8.68 0 -100.00 0.0185
2020-08-13 2020-06-30 13F Northern Trust Common / Ordinary Stock 665859104 3,746 433 13.07 297 18.80 0.0191
2020-05-15 2020-03-31 13F Northern Trust Common / Ordinary Stock 665859104 3,313 288 9.52 250 -22.12 0.0200
2020-05-15 2019-12-31 13F Northern Trust Common / Ordinary Stock 665859104 3,025 61 2.06 321 15.88 0.0198
2019-11-14 2019-09-30 13F Northern Trust Common / Ordinary Stock 665859104 2,964 -125 -4.05 277 -0.36 0.0186
2019-08-14 2019-06-30 13F Northern Trust Common / Ordinary Stock 665859104 3,089 781 33.84 278 33.65 0.0192
2019-05-15 2019-03-31 13F Northern Trust Common / Ordinary Stock 665859104 2,308 675 41.33 209 52.94 0.0150
2019-02-26 2018-12-31 13F Northern Trust Common / Ordinary Stock 665859104 1,633 1,592 3,882.93 137 3,300.00 0.0117
2018-11-09 2018-09-30 13F Northern Trust Common / Ordinary Stock 665859104 41 0 0.00 4 0.00 0.0003
2018-08-20 2018-06-30 13F Northern Trust Common / Ordinary Stock 665859104 41 0 0.00 4 0.00 0.0003
2018-05-21 2018-03-31 13F Northern Trust Common / Ordinary Stock 665859104 41 41 4 0.0003
2016-05-10 2016-03-31 13F NORTHERN TR common 665859104 0 -29 -100.00 0 -100.00
2016-02-12 2015-12-31 13F NORTHERN TR common 665859104 29 -171 -85.50 2 -84.62 0.0003
2015-11-04 2015-09-30 13F NORTHERN TR common 665859104 200 0 0.00 14 8.33 0.0029
2015-07-29 2015-06-30 13F NORTHERN TR common 665859104 200 200 0.00 13 0.0029
2015-05-11 2015-03-31 13F NORTHERN TR common 665859104 0 -200 -100.00 0 -100.00
2015-02-05 2014-12-31 13F NORTHERN TR common 665859104 200 0 0.00 13 0.00 0.0044
2014-11-04 2014-09-30 13F NORTHERN TR COMMON STOCK 665859104 200 0 0.00 14 8.33 0.0027
2014-07-09 2014-06-30 13F NORTHERN TR COMMON STOCK 665859104 200 0 0.00 13 -7.69 0.0051
2014-05-15 2014-03-31 13F NORTHERN TR common 665859104 200 0 0.00 13 8.33 0.0077
2014-02-14 2013-12-31 13F/A-1 NORTHERN TR COMMON STOCK 665859104 200 200 12 0.0114
2014-02-13 2013-12-31 13F NORTHERN TR COMMON STOCK 665859104 200 12 0.0114
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.