Northrop Grumman Corporation
Ownership
Ownership Structure
Who owns Northrop Grumman Corporation (NOC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.7% of the shares are freely tradable; institutional investors hold 84.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| State Street Corp | 9.27 | 13,169,195 | +1.3 | 06/30/2026 |
| BlackRock Inc | 8.29 | 11,783,817 | +8.3 | 06/30/2026 |
| Vanguard Capital Management, LLC | 6.33 | 8,997,139 | +0.5 | 06/30/2026 |
| Capital Research & Mgmt Co - Division 3 | 4.12 | 5,852,674 | -17.5 | 06/30/2026 |
| Capital World Investors | 3.56 | 5,062,384 | -26.5 | 06/30/2026 |
| Wellington Management Company LLP | 3.47 | 4,932,780 | -0.8 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 2.53 | 3,595,011 | +2.6 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 2.51 | 3,562,274 | -1.3 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.17 | 4,508,207 | -0.1 | 09/30/2026 |
| American Funds Washington Mutual A | 2.71 | 3,856,435 | -15.2 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Brown Marianne Catherine | Director | 11,706 | 6,441,812 $ | Sep 30, 2026 | direct |
| Welsh Mark A Iii | Director | 4,314 | 2,373,994 $ | Nov 2, 2026 | direct |
| Krishna Arvind | Director | 2,837 | 1,561,201 $ | Sep 30, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | Welsh Mark A Iii | Director | Sell | 1 | 557.47 | 557 |
| Nov 2, 2026 | Welsh Mark A Iii | Director | Sell | 50 | 556.47 | 27,824 |
| Nov 2, 2026 | Welsh Mark A Iii | Director | Sell | 20 | 555.46 | 11,109 |
| Nov 2, 2026 | Welsh Mark A Iii | Director | Sell | 7 | 553.39 | 3,874 |
| Sep 30, 2026 | Krishna Arvind | Director | Other | 75 | 483.48 | 36,261 |
| Sep 30, 2026 | Brown Marianne Catherine | Director | Other | 96 | 483.48 | 46,414 |
| Aug 3, 2026 | Welsh Mark A Iii | Director | Sell | 4 | 554.14 | 2,217 |
| Aug 3, 2026 | Welsh Mark A Iii | Director | Sell | 2 | 553.90 | 1,108 |
| Aug 3, 2026 | Welsh Mark A Iii | Director | Sell | 6 | 549.50 | 3,297 |
| Aug 3, 2026 | Welsh Mark A Iii | Director | Sell | 10 | 548.32 | 5,483 |
| Aug 3, 2026 | Welsh Mark A Iii | Director | Sell | 31 | 547.42 | 16,970 |
| Aug 3, 2026 | Welsh Mark A Iii | Director | Sell | 11 | 546.42 | 6,011 |
| Aug 3, 2026 | Welsh Mark A Iii | Director | Sell | 19 | 545.59 | 10,366 |
| Aug 3, 2026 | Welsh Mark A Iii | Director | Sell | 8 | 544.53 | 4,356 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 3, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.