ATI Inc.
MX ˙ BMV ˙ US01741R1023
SecurityMX:ATI / ATI Inc.
InstitutionFirst Trust Advisors Lp
Latest Disclosed Ownership93,147 shares
Latest Disclosed Value $ 13,549,162
First Trust Advisors Lp reports 14.62% increase in ownership of ATI / ATI Inc.

On May 13, 2026 - First Trust Advisors Lp filed a 13F-HR form disclosing ownership of 93,147 shares of ATI Inc. (MX:ATI) valued at $13,549,162 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 81,264 shares of ATI Inc.. This represents a change in shares of 14.62% 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)
2026-05-13 2026-03-31 13F ATI COM 01741R102 93,147 11,883 14.62 13,549 45.30 0.0097
2026-02-13 2025-12-31 13F ATI COM 01741R102 81,264 -2,763 -3.29 9,326 36.45 0.0068
2025-11-12 2025-09-30 13F ATI COM 01741R102 84,027 -113,187 -57.39 6,835 -59.86 0.0051
2025-08-13 2025-06-30 13F ATI COM 01741R102 197,214 9,234 4.91 17,028 74.10 0.0137
2025-05-14 2025-03-31 13F ATI COM 01741R102 187,980 -77,605 -29.22 9,781 -33.09 0.0087
2025-02-13 2024-12-31 13F ATI COM 01741R102 265,585 -83,711 -23.97 14,618 -37.46 0.0129
2024-11-13 2024-09-30 13F ATI COM 01741R102 349,296 248,545 246.69 23,371 318.39 0.0223
2024-08-13 2024-06-30 13F ATI COM 01741R102 100,751 -16,823 -14.31 5,587 -7.15 0.0057
2024-05-13 2024-03-31 13F ATI COM 01741R102 117,574 -11,256 -8.74 6,016 2.71 0.0061
2024-02-13 2023-12-31 13F ATI COM 01741R102 128,830 -16,785 -11.53 5,858 -2.25 0.0064
2023-11-13 2023-09-30 13F ATI COM 01741R102 145,615 -5,017 -3.33 5,992 -10.06 0.0071
2023-08-14 2023-06-30 13F ATI COM 01741R102 150,632 16,622 12.40 6,662 25.98 0.0076
2023-05-15 2023-03-31 13F ATI COM 01741R102 134,010 -8,603 -6.03 5,288 24.19 0.0061
2023-02-09 2022-12-31 13F ATI COM 01741R102 142,613 142,613 4,258 0.0051
2022-08-12 2022-06-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 0 -89,989 -100.00 0 -100.00
2022-05-13 2022-03-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 89,989 -6,732 -6.96 2,415 56.72 0.0025
2022-02-08 2021-12-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 96,721 -34,646 -26.37 1,541 -29.47 0.0015
2021-11-15 2021-09-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 131,367 -93,737 -41.64 2,185 -53.44 0.0023
2021-10-12 2021-06-30 13F/A-1 ALLEGHENY TECHNOLOGIES COM 01741R102 225,104 196,414 684.61 4,693 676.99 0.0051
2021-08-16 2021-06-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 225,104 196,414 4,693 0.0048
2021-05-14 2021-03-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 28,690 28,690 604 0.0007
2021-02-02 2020-12-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 0 -162,729 -100.00 0 -100.00
2020-11-05 2020-09-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 162,729 17,936 12.39 1,419 -3.80 0.0023
2020-07-22 2020-06-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 144,793 39,834 37.95 1,475 65.36 0.0026
2020-05-06 2020-03-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 104,959 18,158 20.92 892 -50.25 0.0020
2020-02-03 2019-12-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 86,801 -28,816 -24.92 1,793 -23.41 0.0031
2019-11-04 2019-09-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 115,617 -4,616 -3.84 2,341 -22.74 0.0044
2019-07-30 2019-06-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 120,233 1,221 1.03 3,030 -0.43 0.0057
2019-06-19 2019-03-31 13F/A-1 ALLEGHENY TECHNOLOGIES COM 01741R102 119,012 119,012 3,043 0.0061
2019-05-09 2019-03-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 119,012 119,012 3,043
2018-02-08 2017-12-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 0 -67,288 -100.00 0 -100.00
2017-10-24 2017-09-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 67,288 32,956 95.99 1,608 175.34 0.0041
2017-08-02 2017-06-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 34,332 6,617 23.88 584 17.27 0.0016
2017-05-02 2017-03-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 27,715 -28,532 -50.73 498 -44.42 0.0014
2017-02-06 2016-12-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 56,247 -16,336 -22.51 896 -31.71 0.0027
2016-11-01 2016-09-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 72,583 33,035 83.53 1,312 160.32 0.0039
2016-08-04 2016-06-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 39,548 14,890 60.39 504 25.37 0.0016
2016-05-10 2016-03-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 24,658 -409,322 -94.32 402 -91.77 0.0013
2016-05-04 2015-12-31 13F/A-1 ALLEGHENY TECHNOLOGIES COM 01741R102 433,980 423,891 4,201.52 4,882 3,313.99 0.0127
2016-02-03 2015-12-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 433,980 4,882
2015-11-05 2015-09-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 10,089 -967 -8.75 143 -57.19 0.0004
2015-08-04 2015-06-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 11,056 2,103 23.49 334 24.16 0.0009
2015-05-04 2015-03-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 8,953 -1,267 -12.40 269 -24.23 0.0008
2015-02-13 2014-12-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 10,220 -7,433 -42.11 355 -45.80 0.0012
2014-11-12 2014-09-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 17,653 -4,387 -19.90 655 -34.10 0.0026
2014-08-11 2014-06-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 22,040 1,992 9.94 994 31.66 0.0041
2014-05-12 2014-03-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 20,048 -133,254 -86.92 755 -86.18 0.0033
2014-08-08 2013-12-31 13F/A-1 ALLEGHENY TECHNOLOGIES COM 01741R102 153,302 -268,200 -63.63 5,462 -57.54 0.0265
2014-02-13 2013-12-31 13F ALLEGHENY TECHNOLOGIES COM 01741R102 153,302 5,462
2013-11-12 2013-09-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 421,502 179,080 73.87 12,864 101.69 0.0697
2013-08-12 2013-06-30 13F ALLEGHENY TECHNOLOGIES COM 01741R102 242,422 242,422 6,378 0.0415
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.