Lockheed Martin Corporation
MX ˙ BMV ˙ US5398301094
SecurityMX:LMT / Lockheed Martin Corporation
InstitutionGreat Lakes Advisors, Llc
Latest Disclosed Ownership18,623 shares
Latest Disclosed Value $ 11,255,496
Great Lakes Advisors, Llc reports 49.58% decrease in ownership of LMT / Lockheed Martin Corporation

On May 11, 2026 - Great Lakes Advisors, Llc filed a 13F-HR form disclosing ownership of 18,623 shares of Lockheed Martin Corporation (MX:LMT) valued at $11,255,496 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 36,934 shares of Lockheed Martin Corporation. This represents a change in shares of -49.58% 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)
2026-05-11 2026-03-31 13F Lockheed Martin COM 539830109 18,623 -18,311 -49.58 11,255 -36.99 0.0274
2026-02-12 2025-12-31 13F Lockheed Martin COM 539830109 36,934 -1,234 -3.23 17,864 -6.25 0.1457
2025-11-03 2025-09-30 13F Lockheed Martin COM 539830109 38,168 -358 -0.93 19,054 6.79 0.1590
2025-08-11 2025-06-30 13F Lockheed Martin COM 539830109 38,526 -1,127 -2.84 17,843 0.73 0.1495
2025-05-16 2025-03-31 13F Lockheed Martin COM 539830109 39,653 -7,622 -16.12 17,714 -22.89 0.1584
2025-02-10 2024-12-31 13F Lockheed Martin COM 539830109 47,275 -1,185 -2.45 22,972 -18.90 0.1965
2024-11-04 2024-09-30 13F Lockheed Martin COM 539830109 48,460 -2,962 -5.76 28,328 17.94 0.2372
2024-08-06 2024-06-30 13F Lockheed Martin COM 539830109 51,422 -4,815 -8.56 24,019 -6.10 0.2131
2024-05-08 2024-03-31 13F Lockheed Martin COM 539830109 56,237 -7,144 -11.27 25,580 -10.95 0.2169
2024-02-08 2023-12-31 13F Lockheed Martin COM 539830109 63,381 -2,080 -3.18 28,727 7.30 0.2737
2023-11-07 2023-09-30 13F Lockheed Martin COM 539830109 65,461 -5,790 -8.13 26,771 -18.39 0.2438
2023-08-10 2023-06-30 13F Lockheed Martin COM 539830109 71,251 -18,349 -20.48 32,802 -22.56 0.3277
2023-05-10 2023-03-31 13F Lockheed Martin COM 539830109 89,600 -14,553 -13.97 42,357 718.32 0.3848
2023-02-09 2022-12-31 13F Lockheed Martin COM 539830109 104,153 11,230 12.09 5,177 -85.58 0.2966
2022-11-09 2022-09-30 13F Lockheed Martin COM 539830109 92,923 -2,087 -2.20 35,895 -12.13 0.7836
2022-08-09 2022-06-30 13F Lockheed Martin COM 539830109 95,010 -19,181 -16.80 40,850 -18.95 0.8076
2022-05-06 2022-03-31 13F Lockheed Martin COM 539830109 114,191 -3,372 -2.87 50,404 20.63 0.6442
2022-05-06 2022-03-31 13F Lockheed Martin COM 539830109 14 6
2022-02-09 2021-12-31 13F Lockheed Martin COM 539830109 117,563 4,787 4.24 41,783 7.36 0.6359
2021-11-09 2021-09-30 13F Lockheed Martin COM 539830109 112,776 558 0.50 38,920 -8.33 0.6068
2021-08-11 2021-06-30 13F Lockheed Martin COM 539830109 112,218 3,798 3.50 42,458 5.98 0.6405
2021-05-03 2021-03-31 13F Lockheed Martin COM 539830109 108,420 4,572 4.40 40,061 8.67 0.6473
2021-02-09 2020-12-31 13F Lockheed Martin COM 539830109 103,848 2,547 2.51 36,864 -5.06 0.6672
2020-11-04 2020-09-30 13F Lockheed Martin COM 539830109 101,301 1,309 1.31 38,827 6.41 0.8215
2020-08-07 2020-06-30 13F Lockheed Martin COM 539830109 99,992 -6,101 -5.75 36,489 1.47 0.8852
2020-05-08 2020-03-31 13F Lockheed Martin COM 539830109 106,093 -4,645 -4.19 35,960 -16.60 1.0497
2020-02-07 2019-12-31 13F Lockheed Martin COM 539830109 110,738 1,014 0.92 43,119 0.75 0.9255
2019-11-06 2019-09-30 13F Lockheed Martin COM 539830109 109,724 -2,409 -2.15 42,799 4.99 0.9399
2019-08-05 2019-06-30 13F Lockheed Martin COM 539830109 112,133 -15,836 -12.37 40,765 6.13 0.8884
2019-05-07 2019-03-31 13F Lockheed Martin COM 539830109 127,969 -3,148 -2.40 38,411 11.88 0.8546
2019-02-13 2018-12-31 13F Lockheed Martin COM 539830109 131,117 -12,853 -8.93 34,332 -31.07 0.8134
2018-11-30 2018-09-30 13F/A-2 Lockheed Martin COM 539830109 143,970 2,966 2.10 49,808 19.57 1.0991
2018-11-15 2018-09-30 13F/A-1 LOCKHEED MARTIN COM 539830109 3,987 -139,983 1,379 0.2248
2018-11-14 2018-09-30 13F LOCKHEED MARTIN COM 539830109 141,004 0 41,657
2018-08-13 2018-06-30 13F LOCKHEED MARTIN COM 539830109 141,004 -22,804 -13.92 41,657 -17.10 0.9765
2018-05-07 2018-03-31 13F LOCKHEED MARTIN CS 539830109 163,808 -12,500 -7.09 50,248 -11.23 1.1968
2018-02-07 2017-12-31 13F LOCKHEED MARTIN CS 539830109 176,308 -2,284 -1.28 56,603 2.14 1.2443
2017-11-13 2017-09-30 13F LOCKHEED MARTIN CS 539830109 178,592 9,919 5.88 55,415 18.35 1.3033
2017-08-07 2017-06-30 13F LOCKHEED MARTIN CS 539830109 168,673 -2,111 -1.24 46,824 2.47 1.1486
2017-05-09 2017-03-31 13F LOCKHEED MARTIN CORP COM CS 539830109 170,784 -13,138 -7.14 45,697 -0.59 1.1759
2017-02-10 2016-12-31 13F LOCKHEED MARTIN CORP COM CS 539830109 183,922 -4,256 -2.26 45,968 1.90 1.2077
2016-11-07 2016-09-30 13F LOCKHEED MARTIN CORP COM CS 539830109 188,178 -5,649 -2.91 45,111 -6.22 1.2234
2016-08-12 2016-06-30 13F LOCKHEED MARTIN CS 539830109 193,827 -41,739 -17.72 48,102 -7.81 1.3094
2016-05-11 2016-03-31 13F LOCKHEED MARTIN CS 539830109 235,566 -86,813 -26.93 52,178 -18.34 1.4270
2016-02-12 2015-12-31 13F LOCKHEED MARTIN CORP COM CS 539830109 322,379 -192,116 -37.34 63,894 -4.70 1.9161
2015-10-30 2015-09-30 13F LOCKHEED MARTIN CS 539830109 514,495 213,700 71.05 67,047 19.91 2.0791
2015-08-12 2015-06-30 13F LOCKHEED MARTIN CORP COM CS 539830109 300,795 -6,264 -2.04 55,916 -10.28 1.7002
2015-05-06 2015-03-31 13F LOCKHEED MARTIN CORP COM CS 539830109 307,059 643 0.21 62,321 5.62 1.9063
2015-02-11 2014-12-31 13F LOCKHEED MARTIN CORP COM CS 539830109 306,416 -16,601 -5.14 59,007 -0.05 1.8312
2014-11-20 2014-09-30 13F LOCKHEED MARTIN CS 539830109 323,017 6,469 2.04 59,037 16.04 1.9790
2014-08-19 2014-06-30 13F LOCKHEED MARTIN CORP COM CS 539830109 316,548 1,127 0.36 50,878 -1.19 2.0949
2014-05-22 2014-03-31 13F LOCKHEED MARTIN COR COMMON 539830109 315,421 -33,219 -9.53 51,490 -0.65 2.2382
2014-05-22 2013-12-31 13F/A-1 LOCKHEED MARTIN CORP COM com 539830109 348,640 -27,030 -7.20 51,829 8.17 2.3515
2014-02-24 2013-12-31 13F LOCKHEED MARTIN CORP COM com 539830109 348,640 51,829
2013-11-27 2013-09-30 13F LOCKHEED MARTIN CORP COM COMMON 539830109 375,670 -3,776 -1.00 47,916 16.43 2.1527
2013-08-16 2013-06-30 13F LOCKHEED MARTIN CORP COM COM 539830109 379,446 379,446 41,155 1.9288
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.