Northrop Grumman Corporation
MX ˙ BMV ˙ US6668071029
SecurityMX:NOC / Northrop Grumman Corporation
InstitutionRockefeller Capital Management L.P.
Latest Disclosed Ownership45,917 shares
Latest Disclosed Value $ 31,326,857
Rockefeller Capital Management L.P. reports 20.59% increase in ownership of NOC / Northrop Grumman Corporation

On May 14, 2026 - Rockefeller Capital Management L.P. filed a 13F-HR form disclosing ownership of 45,917 shares of Northrop Grumman Corporation (MX:NOC) valued at $31,326,857 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on March 16, 2026 disclosing 38,076 shares of Northrop Grumman Corporation. This represents a change in shares of 20.59% 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)
2026-05-14 2026-03-31 13F NORTHROP GRUMMAN COM 666807102 45,917 7,841 20.59 31,327 44.29 0.0288
2026-03-16 2025-12-31 13F/A-1 NORTHROP GRUMMAN COM 666807102 38,076 316 0.84 21,712 -5.64 0.0391
2026-02-14 2025-12-31 13F NORTHROP GRUMMAN COM 666807102 38,092 332 21,724 0.0198
2025-11-14 2025-09-30 13F NORTHROP GRUMMAN COM 666807102 37,760 -962 -2.48 23,009 18.84 0.0450
2025-08-14 2025-06-30 13F/A-1 NORTHROP GRUMMAN COM 666807102 38,722 -1,139 -2.86 19,361 -5.14 0.0425
2025-08-08 2025-06-30 13F NORTHROP GRUMMAN COM 666807102 38,722 -1,139 19,361 0.0244
2025-05-14 2025-03-31 13F NORTHROP GRUMMAN COM 666807102 39,861 749 1.92 20,410 11.18 0.0504
2025-02-13 2024-12-31 13F NORTHROP GRUMMAN COM 666807102 39,112 -5,107 -11.55 18,357 -21.35 0.0475
2024-11-14 2024-09-30 13F NORTHROP GRUMMAN COM 666807102 44,219 6,570 17.45 23,340 42.12 0.0628
2024-08-12 2024-06-30 13F NORTHROP GRUMMAN COM 666807102 37,649 -4,668 -11.03 16,423 -18.92 0.0467
2024-05-14 2024-03-31 13F NORTHROP GRUMMAN COM 666807102 42,317 3,449 8.87 20,255 11.32 0.0591
2024-02-14 2023-12-31 13F NORTHROP GRUMMAN COM 666807102 38,868 1,647 4.42 18,196 11.01 0.0608
2023-11-14 2023-09-30 13F NORTHROP GRUMMAN COM 666807102 37,221 2,379 6.83 16,390 3.54 0.0632
2023-08-14 2023-06-30 13F NORTHROP GRUMMAN COM 666807102 34,842 4,902 16.37 15,831 121,669.23 0.0613
2023-05-16 2023-03-31 13F NORTHROP GRUMMAN COM 666807102 29,940 -3,160 -9.55 14 -99.93 0.0594
2023-03-06 2022-12-31 13F NORTHROP GRUMMAN COM 666807102 33,100 2,081 6.71 18,058 23.79 0.0908
2022-11-02 2022-09-30 13F NORTHROP GRUMMAN COM 666807102 31,019 2,688 9.49 14,588 7.60 0.0754
2022-08-12 2022-06-30 13F NORTHROP GRUMMAN COM 666807102 28,331 848 3.09 13,558 10.32 0.0720
2022-05-13 2022-03-31 13F NORTHROP GRUMMAN COM 666807102 27,483 1,240 4.73 12,290 21.00 0.0593
2022-02-14 2021-12-31 13F NORTHROP GRUMMAN COM 666807102 26,243 -3,567 -11.97 10,157 -5.38 0.0474
2021-11-12 2021-09-30 13F NORTHROP GRUMMAN COM 666807102 29,810 6,989 30.63 10,735 29.45 0.0564
2021-08-10 2021-06-30 13F NORTHROP GRUMMAN COM 666807102 22,821 2,474 12.16 8,293 25.96 0.0467
2021-05-11 2021-03-31 13F NORTHROP GRUMMAN COM 666807102 20,347 3,954 24.12 6,584 31.81 0.0446
2021-02-12 2020-12-31 13F NORTHROP GRUMMAN COM 666807102 16,393 4,350 36.12 4,995 31.48 0.0378
2020-11-13 2020-09-30 13F NORTHROP GRUMMAN COM 666807102 12,043 2,400 24.89 3,799 28.13 0.0356
2020-08-12 2020-06-30 13F NORTHROP GRUMMAN COM 666807102 9,643 -22 -0.23 2,965 1.40 0.0310
2020-05-12 2020-03-31 13F NORTHROP GRUMMAN COM 666807102 9,665 493 5.38 2,924 -7.32 0.0384
2020-02-07 2019-12-31 13F NORTHROP GRUMMAN COM 666807102 9,172 336 3.80 3,155 -4.74 0.0393
2019-11-12 2019-09-30 13F NORTHROP GRUMMAN COM 666807102 8,836 7,907 851.13 3,312 1,004.00 0.0449
2019-08-09 2019-06-30 13F NORTHROP GRUMMAN COM 666807102 929 -403 -30.26 300 -16.43 0.0042
2019-05-10 2019-03-31 13F NORTHROP GRUMMAN COM 666807102 1,332 1,263 1,830.43 359 2,011.76 0.0051
2019-02-12 2018-12-31 13F NORTHROP GRUMMAN COM 666807102 69 0 0.00 17 -22.73 0.0003
2018-11-02 2018-09-30 13F Northrop Grumman Common 666807102 69 0 0.00 22 4.76 0.0003
2018-07-31 2018-06-30 13F Northrop Grumman Common 666807102 69 69 21 0.0003
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.