Lockheed Martin Corporation
MX ˙ BMV ˙ US5398301094
SecurityMX:LMT / Lockheed Martin Corporation
InstitutionVestmark Advisory Solutions, Inc.
Latest Disclosed Ownership3,488 shares
Latest Disclosed Value $ 2,108,523
Vestmark Advisory Solutions, Inc. reports 1.36% decrease in ownership of LMT / Lockheed Martin Corporation

On May 15, 2026 - Vestmark Advisory Solutions, Inc. filed a 13F-HR form disclosing ownership of 3,488 shares of Lockheed Martin Corporation (MX:LMT) valued at $2,108,523 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 3,536 shares of Lockheed Martin Corporation. This represents a change in shares of -1.36% 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)
2026-05-15 2026-03-31 13F LOCKHEED MARTIN COM 539830109 3,488 -48 -1.36 2,109 23.27 0.0145
2026-02-06 2025-12-31 13F LOCKHEED MARTIN COM 539830109 3,536 -9 -0.25 1,711 -3.34 0.0231
2025-11-10 2025-09-30 13F LOCKHEED MARTIN COM 539830109 3,545 -132 -3.59 1,770 3.88 0.0337
2025-08-06 2025-06-30 13F LOCKHEED MARTIN COM 539830109 3,677 -603 -14.09 1,703 -10.88 0.0246
2025-05-13 2025-03-31 13F LOCKHEED MARTIN COM 539830109 4,280 2,006 88.21 1,912 72.94 0.0492
2025-02-06 2024-12-31 13F LOCKHEED MARTIN COM 539830109 2,274 38 1.70 1,105 -15.46 0.0381
2024-11-14 2024-09-30 13F LOCKHEED MARTIN COM 539830109 2,236 -268 -10.70 1,307 11.80 0.0487
2024-08-12 2024-06-30 13F LOCKHEED MARTIN COM 539830109 2,504 288 13.00 1,170 15.97 0.0488
2024-05-15 2024-03-31 13F LOCKHEED MARTIN COM 539830109 2,216 -354 -13.77 1,008 -13.40 0.0434
2024-02-06 2023-12-31 13F LOCKHEED MARTIN COM 539830109 2,570 -158 -5.79 1,165 4.39 0.0592
2023-11-06 2023-09-30 13F LOCKHEED MARTIN COM 539830109 2,728 -5,559 -67.08 1,115 -70.77 0.0811
2023-08-07 2023-06-30 13F LOCKHEED MARTIN COM 539830109 8,287 -13 -0.16 3,815 -2.78 0.1453
2023-05-09 2023-03-31 13F LOCKHEED MARTIN COM 539830109 8,300 101 1.23 3,924 -1.63 0.1699
2023-01-20 2022-12-31 13F LOCKHEED MARTIN COM 539830109 8,199 91 1.12 3,989 27.36 0.1943
2022-11-03 2022-09-30 13F LOCKHEED MARTIN COM 539830109 8,108 646 8.66 3,132 -2.40 0.1746
2022-08-04 2022-06-30 13F LOCKHEED MARTIN COM 539830109 7,462 839 12.67 3,209 9.78 0.1833
2022-04-27 2022-03-31 13F LOCKHEED MARTIN COM 539830109 6,623 816 14.05 2,923 41.62 0.1655
2022-01-31 2021-12-31 13F LOCKHEED MARTIN COM 539830109 5,807 -3,957 -40.53 2,064 -38.75 0.1165
2021-11-15 2021-09-30 13F LOCKHEED MARTIN COM 539830109 9,764 149 1.55 3,370 -7.37 0.2282
2021-08-09 2021-06-30 13F LOCKHEED MARTIN COM 539830109 9,615 1,165 13.79 3,638 16.53 0.2589
2021-05-10 2021-03-31 13F LOCKHEED MARTIN COM 539830109 8,450 2,542 43.03 3,122 48.88 0.2769
2021-02-04 2020-12-31 13F LOCKHEED MARTIN COM 539830109 5,908 -217 -3.54 2,097 -10.65 0.2353
2020-10-19 2020-09-30 13F LOCKHEED MARTIN COM 539830109 6,125 745 13.85 2,347 19.56 0.3153
2020-08-13 2020-06-30 13F LOCKHEED MARTIN COM 539830109 5,380 674 14.32 1,963 23.07 0.3037
2020-05-06 2020-03-31 13F LOCKHEED MARTIN COM 539830109 4,706 4,706 1,595 0.3118
2020-02-14 2019-12-31 13F LOCKHEED MARTIN COM 539830109 0 -4,311 -100.00 0 -100.00
2019-11-05 2019-09-30 13F LOCKHEED MARTIN COM 539830109 4,311 1,079 33.38 1,682 43.15 0.2727
2019-08-20 2019-06-30 13F LOCKHEED MARTIN COM 539830109 3,232 -1,884 -36.83 1,175 -23.50 0.2011
2019-05-14 2019-03-31 13F LOCKHEED MARTIN COM 539830109 5,116 5,116 1,536 0.2739
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.