Northrop Grumman Corporation
MX ˙ BMV ˙ US6668071029
SecurityMX:NOC / Northrop Grumman Corporation
InstitutionHighTower Advisors, LLC
Latest Disclosed Ownership91,083 shares
Latest Disclosed Value $ 62,143,326
HighTower Advisors, LLC ownership in NOC / Northrop Grumman Corporation

On May 5, 2026 - HighTower Advisors, LLC filed a 13F-HR form disclosing ownership of 91,083 shares of Northrop Grumman Corporation (MX:NOC) valued at $62,143,326 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 81,355 shares of Northrop Grumman Corporation. This represents a change in shares of 11.96% during the quarter.

HighTower Advisors, LLC has a history of taking positions in derivatives of the underlying security (NOC) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:NOC / Northrop Grumman Corporation Historical Put/Call Ratio
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)
2026-05-05 2026-03-31 13F NORTHROP GRUMMAN COM 666807102 91,083 9,728 11.96 62,143 33.96 0.0660
2026-02-06 2025-12-31 13F NORTHROP GRUMMAN COM 666807102 81,355 2,916 3.72 46,389 -2.94 0.0507
2025-11-07 2025-09-30 13F NORTHROP GRUMMAN COM 666807102 78,439 1,140 1.47 47,796 23.67 0.0543
2025-08-11 2025-06-30 13F NORTHROP GRUMMAN COM 666807102 77,299 -3,799 -4.68 38,648 -6.93 0.0484
2025-05-13 2025-03-31 13F NORTHROP GRUMMAN COM 666807102 81,098 -544 -0.67 41,523 8.38 0.0563
2025-02-07 2024-12-31 13F NORTHROP GRUMMAN COM 666807102 81,642 22,121 37.17 38,314 21.46 0.0524
2024-11-14 2024-09-30 13F NORTHROP GRUMMAN COM 666807102 59,521 -2,699 -4.34 31,545 16.58 0.0451
2024-08-13 2024-06-30 13F NORTHROP GRUMMAN COM 666807102 62,220 -1,163 -1.83 27,059 -10.36 0.0418
2024-05-06 2024-03-31 13F NORTHROP GRUMMAN COM 666807102 63,383 -2,284 -3.48 30,187 -1.35 0.0489
2024-02-12 2023-12-31 13F NORTHROP GRUMMAN COM 666807102 65,667 1,304 2.03 30,600 8.26 0.0514
2023-11-08 2023-09-30 13F NORTHROP GRUMMAN COM 666807102 64,363 -683 -1.05 28,265 -4.47 0.0531
2023-08-14 2023-06-30 13F NORTHROP GRUMMAN COM 666807102 65,046 -2,928 -4.31 29,589 -5.44 0.0582
2023-05-12 2023-03-31 13F NORTHROP GRUMMAN COM 666807102 67,974 -5,243 -7.16 31,292 -21.80 0.0683
2023-02-09 2022-12-31 13F NORTHROP GRUMMAN COM 666807102 73,217 219 0.30 40,016 16.82 0.0915
2022-11-09 2022-09-30 13F NORTHROP GRUMMAN COM 666807102 72,998 -88 -0.12 34,253 -1.98 0.0918
2022-08-10 2022-06-30 13F NORTHROP GRUMMAN COM 666807102 73,086 8,636 13.40 34,945 21.42 0.0903
2022-05-12 2022-03-31 13F NORTHROP GRUMMAN COM 666807102 64,450 1,646 2.62 28,781 18.33 0.0641
2022-02-10 2021-12-31 13F NORTHROP GRUMMAN COM 666807102 62,804 -318 -0.50 24,322 6.99 0.0533
2021-11-12 2021-09-30 13F NORTHROP GRUMMAN COM 666807102 63,122 5,855 10.22 22,733 9.22 0.0608
2021-08-06 2021-06-30 13F NORTHROP GRUMMAN COM 666807102 57,267 4,780 9.11 20,814 22.54 0.0603
2021-05-10 2021-03-31 13F NORTHROP GRUMMAN COM 666807102 52,487 1,415 2.77 16,985 9.14 0.0536
2021-02-10 2020-12-31 13F NORTHROP GRUMMAN COM 666807102 51,072 -3,857 -7.02 15,563 -10.31 0.0648
2020-11-13 2020-09-30 13F NORTHROP GRUMMAN COM 666807102 54,929 4,648 9.24 17,352 12.25 0.0838
2020-08-10 2020-06-30 13F NORTHROP GRUMMAN COM 666807102 50,281 -678 -1.33 15,458 0.20 0.0843
2020-05-21 2020-03-31 13F NORTHROP GRUMMAN COM 666807102 50,959 -11,702 -18.68 15,427 -28.22 0.1000
2020-02-14 2019-12-31 13F NORTHROP GRUMMAN COM 666807102 62,661 1,511 2.47 21,491 -6.06 0.1270
2019-11-12 2019-09-30 13F NORTHROP GRUMMAN COM 666807102 61,150 13,683 28.83 22,878 49.22 0.1246
2019-08-13 2019-06-30 13F NORTHROP GRUMMAN COM 666807102 47,467 3,237 7.32 15,332 28.39 0.0913
2019-05-15 2019-03-31 13F NORTHROP GRUMMAN COM 666807102 44,230 3,327 8.13 11,942 19.47 0.0798
2019-02-14 2018-12-31 13F NORTHROP GRUMMAN COM 666807102 40,903 -1,112 -2.65 9,996 -25.07 0.0767
2018-11-09 2018-09-30 13F NORTHROP GRUMMAN COM 666807102 42,015 351 0.84 13,341 4.04 0.0962
2018-08-14 2018-06-30 13F NORTHROP GRUMMAN COM 666807102 41,664 -1,532 -3.55 12,823 -14.90 0.1004
2018-05-15 2018-03-31 13F NORTHROP GRUMMAN COM 666807102 43,196 3,743 9.49 15,069 24.34 0.1262
2018-02-14 2017-12-31 13F NORTHROP GRUMMAN COM 666807102 39,453 -669 -1.67 12,119 5.02 0.0995
2017-11-14 2017-09-30 13F NORTHROP GRUMMAN COM 666807102 40,122 -8 -0.02 11,540 11.97 0.0984
2017-09-22 2017-06-30 13F/A-1 NORTHROP GRUMMAN COM 666807102 40,130 2,525 6.71 10,306 15.25 0.0922
2017-08-14 2017-06-30 13F NORTHROP GRUMMAN COM 666807102 40,130 10,306
2017-05-15 2017-03-31 13F NORTHROP GRUMMAN COM 666807102 37,605 1,333 3.68 8,942 5.95 0.0856
2017-02-10 2016-12-31 13F NORTHROP GRUMMAN COM 666807102 36,272 -282 -0.77 8,440 8.08 0.0917
2016-11-14 2016-09-30 13F NORTHROP GRUMMAN COM 666807102 36,554 5,144 16.38 7,809 11.91 0.0905
2016-08-11 2016-06-30 13F NORTHROP GRUMMAN COM 666807102 31,410 -3,100 -8.98 6,978 1.94 0.0883
2016-05-16 2016-03-31 13F NORTHROP GRUMMAN COM 666807102 34,510 -1,418 -3.95 6,845 0.84 0.0223
2016-05-18 2015-12-31 13F/A-1 NORTHROP GRUMMAN COM 666807102 35,928 11,440 46.72 6,788 66.95 0.0806
2016-02-12 2015-12-31 13F NORTHROP GRUMMAN COM 666807102 35,928 6,788
2015-11-16 2015-09-30 13F NORTHROP GRUMMAN COM 666807102 24,488 -6,223 -20.26 4,066 -16.54 0.0538
2015-08-11 2015-06-30 13F NORTHROP GRUMMAN COM 666807102 30,711 849 2.84 4,872 1.35 0.0781
2015-05-15 2015-03-31 13F NORTHROP GRUMMAN COM 666807102 29,862 -19,192 -39.12 4,807 -33.51 0.0715
2015-02-17 2014-12-31 13F NORTHROP GRUMMAN COM 666807102 49,054 8,647 21.40 7,230 35.80 0.1107
2014-11-14 2014-09-30 13F NORTHROP GRUMMAN COM 666807102 40,407 2,027 5.28 5,324 15.97 0.0900
2014-08-13 2014-06-30 13F NORTHROP GRUMMAN COM 666807102 38,380 -3,172 -7.63 4,591 -10.45 0.0796
2014-05-15 2014-03-31 13F NORTHROP GRUMMAN COM 666807102 41,552 -3,399 -7.56 5,127 -0.49 0.1000
2014-02-14 2013-12-31 13F NORTHROP GRUMMAN COM 666807102 44,951 11,167 33.05 5,152 60.05 0.1059
2013-11-15 2013-09-30 13F NORTHROP GRUMMAN COM 666807102 33,784 15,971 89.66 3,219 118.39 0.0806
2013-08-14 2013-06-30 13F NORTHROP GRUMMAN COM 666807102 17,813 17,813 1,474 0.0401
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2024-08-13 2024-06-30 13F NORTHROP GRUMMAN COM Call 0 -100.00 0 n/a n/a n/a
2024-05-06 2024-03-31 13F NORTHROP GRUMMAN COM Call 100 0 n/a n/a n/a
2023-08-14 2023-06-30 13F NORTHROP GRUMMAN COM Call 0 -100.00 0 n/a n/a n/a
2023-05-12 2023-03-31 13F NORTHROP GRUMMAN COM Call 100 0 n/a n/a n/a
2022-11-09 2022-09-30 13F NORTHROP GRUMMAN COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-08-10 2022-06-30 13F NORTHROP GRUMMAN COM Call 100 9,900.00 1 0.00 n/a n/a n/a
2022-05-12 2022-03-31 13F NORTHROP GRUMMAN COM Call 1 1 n/a n/a n/a
2016-08-11 2016-06-30 13F NORTHROP GRUMMAN COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-05-16 2016-03-31 13F NORTHROP GRUMMAN COM Call 1,000 11,930 n/a n/a n/a
2016-05-18 2015-12-31 13F/A NORTHROP GRUMMAN COM Call 0 0 n/a n/a n/a
2014-08-13 2014-06-30 13F NORTHROP GRUMMAN COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2014-05-15 2014-03-31 13F NORTHROP GRUMMAN COM Call 1,000 9 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-02-06 2025-12-31 13F NORTHROP GRUMMAN COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-11-07 2025-09-30 13F NORTHROP GRUMMAN COM Put 500 0.00 4 -62.50 n/a n/a n/a
2025-08-11 2025-06-30 13F NORTHROP GRUMMAN COM Put 500 8 n/a n/a n/a
2024-08-13 2024-06-30 13F NORTHROP GRUMMAN COM Put 0 -100.00 0 n/a n/a n/a
2024-05-06 2024-03-31 13F NORTHROP GRUMMAN COM Put 100 -50.00 0 n/a n/a n/a
2024-02-12 2023-12-31 13F NORTHROP GRUMMAN COM Put 200 9,900.00 0 n/a n/a n/a
2023-11-08 2023-09-30 13F NORTHROP GRUMMAN COM Put 2 0 n/a n/a n/a
2023-08-14 2023-06-30 13F NORTHROP GRUMMAN COM Put 0 -100.00 0 n/a n/a n/a
2023-05-12 2023-03-31 13F NORTHROP GRUMMAN COM Put 100 -50.50 0 -100.00 n/a n/a n/a
2023-02-09 2022-12-31 13F NORTHROP GRUMMAN COM Put 202 10,000.00 150 14,800.00 n/a n/a n/a
2022-11-09 2022-09-30 13F NORTHROP GRUMMAN COM Put 2 -98.00 1 n/a n/a n/a
2022-08-10 2022-06-30 13F NORTHROP GRUMMAN COM Put 100 9,900.00 0 n/a n/a n/a
2022-05-12 2022-03-31 13F NORTHROP GRUMMAN COM Put 1 0 n/a n/a n/a
2022-02-10 2021-12-31 13F NORTHROP GRUMMAN COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-11-12 2021-09-30 13F NORTHROP GRUMMAN COM Put 100 1 n/a n/a n/a
2021-08-06 2021-06-30 13F NORTHROP GRUMMAN COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-05-10 2021-03-31 13F NORTHROP GRUMMAN COM Put 5 25 n/a n/a n/a
2018-08-14 2018-06-30 13F NORTHROP GRUMMAN COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2018-05-15 2018-03-31 13F NORTHROP GRUMMAN COM Put 1,200 0.00 7 250.00 n/a n/a n/a
2018-02-14 2017-12-31 13F NORTHROP GRUMMAN COM Put 1,200 500.00 2 n/a n/a n/a
2017-11-14 2017-09-30 13F NORTHROP GRUMMAN COM Put 200 0.00 0 -100.00 n/a n/a n/a
2017-09-22 2017-06-30 13F/A NORTHROP GRUMMAN COM Put 200 100.00 1 n/a n/a n/a
2017-08-14 2017-06-30 13F NORTHROP GRUMMAN COM Put 200 1 n/a n/a n/a
2017-05-15 2017-03-31 13F NORTHROP GRUMMAN COM Put 100 0.00 0 -100.00 n/a n/a n/a
2017-02-10 2016-12-31 13F NORTHROP GRUMMAN COM Put 100 1 n/a n/a n/a
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.