Northrop Grumman Corporation
Northrop Grumman Corporation (NOC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · NOC · as of Sep 30, 2025
Ownership Breakdown
1,773
Institutional Holders
▲ 94 vs Q2
$71.99B
Total Inst. Value
▲ $11.50B vs Q2
142.03M
Shares Outstanding
freeFloat 99.69%
118.17M
13F Shares Held
▼ 16.93M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
NOC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC search, detection, navigation, guidance, aeronautical sys | 13.53M | 9.42% | 9.42% | $8.25T | Nov 7, 2025 | ▲ 109.9K |
STATE STREET CORP search, detection, navigation, guidance, aeronautical sys | 13.22M | 9.20% | 9.20% | $8.05T | Nov 14, 2025 | ▼ 212.2K |
CAPITAL INTERNATIONAL INVESTORS search, detection, navigation, guidance, aeronautical sys | 11.76M | 8.19% | 8.19% | $7.16T | Nov 13, 2025 | ▼ 203.3K |
BLACKROCK, INC. search, detection, navigation, guidance, aeronautical sys | 9.84M | 6.85% | 6.85% | $6.00T | Nov 12, 2025 | ▲ 96.8K |
WELLINGTON MANAGEMENT GROUP LLP search, detection, navigation, guidance, aeronautical sys | 4.27M | 2.97% | 2.97% | $2.60T | Nov 14, 2025 | ▼ 1.23M |
MORGAN STANLEY search, detection, navigation, guidance, aeronautical sys | 3.66M | 2.55% | 2.55% | $2.23T | May 27, 2026 | ▼ 467.0K |
GEODE CAPITAL MANAGEMENT, LLC search, detection, navigation, guidance, aeronautical sys | 3.13M | 2.18% | 2.18% | $1.90T | Nov 12, 2025 | ▲ 16.0K |
FRANKLIN RESOURCES INC search, detection, navigation, guidance, aeronautical sys | 3.00M | 2.09% | 2.09% | $1.83T | Nov 13, 2025 | ▲ 63.2K |
BANK OF AMERICA CORP /DE/ search, detection, navigation, guidance, aeronautical sys | 2.81M | 1.96% | 1.96% | $1.71T | Feb 3, 2026 | ▲ 123.8K |
JPMORGAN CHASE & CO search, detection, navigation, guidance, aeronautical sys | 2.76M | 1.92% | 1.92% | $1.68T | Nov 26, 2025 | ▼ 123.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
22
Increased
+1.57M shares1
New Positions
first time holders27
Decreased
−4.36M shares0
Sold Out
fully exitedNet shares change (top 50)
2.79M
+1.57M / −4.36M
Net new holders
-4
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
NOC insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
11
Sell transactions
0.91
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
WINSTON MARY A director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 1.6K | Form 4 ↗ |
WELSH MARK A III director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 4.5K | Form 4 ↗ |
Turley James S director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 6.7K | Form 4 ↗ |
SCHOEWE THOMAS M director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 16.7K | Form 4 ↗ |
ROUGHEAD GARY director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 12.2K | Form 4 ↗ |
Ross Kimberly A. director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 1.6K | Form 4 ↗ |
KRISHNA ARVIND director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 2.7K | Form 4 ↗ |
Grady Christopher W. director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 421 | Form 4 ↗ |
Brown Marianne Catherine director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 11.4K | Form 4 ↗ |
ABNEY DAVID P director | May 20, 2026 | Award | 349 | $552.17 | $192.7K | 2.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Northrop Grumman Corporation (NOC) is primarily owned by institutional investors, who hold approximately 83.2% of total shares outstanding. Company insiders own approximately 0.31%, while retail and public investors account for the remaining 16.49%.
The largest institutional shareholder of Northrop Grumman Corporation is VANGUARD GROUP INC, holding approximately 13.53 million shares — equal to 9.42% of outstanding shares — as of September 30, 2025.
A total of 1,773 institutional investors currently hold NOC stock, with a combined institutional value of approximately $71.99 billion as of the most recent 13F filing period.
Frequently asked questions
NOC ownershipNorthrop Grumman Corporation (NOC) is primarily owned by institutional investors, who hold approximately 83.2% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.42% stake. Company insiders hold 0.31%. Data sourced from SEC Form 13F as of September 30, 2025.