Northrop Grumman Corporation
US ˙ NYSE ˙ US6668071029

SecurityNOC / Northrop Grumman Corporation
InstitutionLevel Four Advisory Services, Llc
Latest Disclosed Ownership1,503 shares
Latest Disclosed Value $ 1,025,728
Level Four Advisory Services, Llc reports 2.73% increase in ownership of NOC / Northrop Grumman Corporation

On May 14, 2026 - Level Four Advisory Services, Llc filed a 13F-HR form disclosing ownership of 1,503 shares of Northrop Grumman Corporation (US:NOC) valued at $1,025,407 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 1,463 shares of Northrop Grumman Corporation. This represents a change in shares of 2.73% during the quarter. The current value of the position is $790,668 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 NORTHROP GRUMMAN COM 666807102 1,503 40 2.73 1,026 22.90 0.0337
2026-02-13 2025-12-31 13F NORTHROP GRUMMAN COM 666807102 1,463 -166 -10.19 834 -15.93 0.0273
2025-11-12 2025-09-30 13F NORTHROP GRUMMAN COM 666807102 1,629 -127 -7.23 993 12.98 0.0340
2025-08-13 2025-06-30 13F NORTHROP GRUMMAN COM 666807102 1,756 -48 -2.66 878 -4.88 0.0324
2025-05-14 2025-03-31 13F NORTHROP GRUMMAN COM 666807102 1,804 104 6.12 924 15.81 0.0380
2025-02-12 2024-12-31 13F NORTHROP GRUMMAN COM 666807102 1,700 162 10.53 798 1.79 0.0326
2024-11-14 2024-09-30 13F NORTHROP GRUMMAN COM 666807102 1,538 166 12.10 783 30.94 0.0330
2024-08-09 2024-06-30 13F NORTHROP GRUMMAN COM 666807102 1,372 667 94.61 598 81.21 0.0270
2024-05-13 2024-03-31 13F NORTHROP GRUMMAN COM 666807102 705 0 0.00 330 0.00 0.0181
2024-02-08 2023-12-31 13F NORTHROP GRUMMAN COM 666807102 705 16 2.32 330 8.91 0.0185
2023-11-13 2023-09-30 13F NORTHROP GRUMMAN COM 666807102 689 -152 -18.07 303 -20.89 0.0196
2023-07-10 2023-06-30 13F NORTHROP GRUMMAN COM 666807102 841 -22 -2.55 383 -3.77 0.0230
2023-06-05 2023-03-31 13F NORTHROP GRUMMAN COM 666807102 863 -268 -23.70 398 -35.49 0.0261
2023-02-13 2022-12-31 13F NORTHROP GRUMMAN COM 666807102 1,131 309 37.59 617 59.43 0.0458
2022-11-07 2022-09-30 13F NORTHROP GRUMMAN COM 666807102 822 -222 -21.26 387 -22.60 0.0376
2022-08-08 2022-06-30 13F NORTHROP GRUMMAN COM 666807102 1,044 174 20.00 500 28.53 0.0472
2022-05-10 2022-03-31 13F NORTHROP GRUMMAN COM 666807102 870 167 23.76 389 43.01 0.0305
2022-02-11 2021-12-31 13F NORTHROP GRUMMAN COM 666807102 703 105 17.56 272 26.51 0.0207
2021-10-12 2021-09-30 13F NORTHROP GRUMMAN COM 666807102 598 -155 -20.58 215 -21.53 0.0224
2021-08-09 2021-06-30 13F NORTHROP GRUMMAN COM 666807102 753 61 8.82 274 22.32 0.0189
2021-05-10 2021-03-31 13F NORTHROP GRUMMAN COM 666807102 692 18 2.67 224 9.27 0.0174
2021-02-10 2020-12-31 13F NORTHROP GRUMMAN COM 666807102 674 -13 -1.89 205 -5.53 0.0165
2020-11-02 2020-09-30 13F NORTHROP GRUMMAN COM 666807102 687 -292 -29.83 217 -27.91 0.0167
2020-08-17 2020-06-30 13F/A-1 NORTHROP GRUMMAN COM 666807102 979 -76 -7.20 301 -5.94 0.0233
2020-05-13 2020-03-31 13F NORTHROP GRUMMAN COM 666807102 1,055 266 33.71 320 18.08 0.0384
2020-02-13 2019-12-31 13F NORTHROP GRUMMAN COM 666807102 789 789 271 0.0107
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.