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 Mar 31, 2025
Ownership Breakdown
1,732
Institutional Holders
▲ 28 vs Q4
$61.70B
Total Inst. Value
▲ $5.85B vs Q4
142.03M
Shares Outstanding
freeFloat 99.69%
120.64M
13F Shares Held
▲ 1.49M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
STATE STREET CORP search, detection, navigation, guidance, aeronautical sys | 13.45M | 9.30% | 9.30% | $6.89T | May 15, 2025 | ▼ 237.4K |
VANGUARD GROUP INC search, detection, navigation, guidance, aeronautical sys | 13.27M | 9.17% | 9.17% | $6.79T | May 9, 2025 | ▲ 588.5K |
BLACKROCK, INC. search, detection, navigation, guidance, aeronautical sys | 10.51M | 7.27% | 7.27% | $5.38T | May 2, 2025 | ▼ 254.2K |
CAPITAL INTERNATIONAL INVESTORS search, detection, navigation, guidance, aeronautical sys | 8.85M | 6.12% | 6.12% | $4.53T | May 12, 2025 | ▲ 613.6K |
WELLINGTON MANAGEMENT GROUP LLP search, detection, navigation, guidance, aeronautical sys | 5.14M | 3.55% | 3.55% | $2.63T | May 13, 2025 | ▲ 974.6K |
MORGAN STANLEY search, detection, navigation, guidance, aeronautical sys | 4.08M | 2.82% | 2.82% | $2.09T | May 15, 2025 | ▼ 75.8K |
GEODE CAPITAL MANAGEMENT, LLC search, detection, navigation, guidance, aeronautical sys | 3.10M | 2.14% | 2.14% | $1.59T | May 13, 2025 | ▲ 75.3K |
JPMORGAN CHASE & CO search, detection, navigation, guidance, aeronautical sys | 2.89M | 2.00% | 2.00% | $1.48T | May 12, 2025 | ▼ 865.7K |
BANK OF AMERICA CORP /DE/ search, detection, navigation, guidance, aeronautical sys | 2.77M | 1.91% | 1.91% | $1.42T | May 15, 2025 | ▼ 62.2K |
FRANKLIN RESOURCES INC search, detection, navigation, guidance, aeronautical sys | 2.62M | 1.81% | 1.81% | $1.34T | May 13, 2025 | ▲ 91.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
27
Increased
+5.65M shares1
New Positions
first time holders22
Decreased
−2.66M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.98M
+5.65M / −2.66M
Net new holders
+6
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 84.9% of total shares outstanding. Company insiders own approximately 0.31%, while retail and public investors account for the remaining 14.75%.
The largest institutional shareholder of Northrop Grumman Corporation is STATE STREET CORP, holding approximately 13.45 million shares — equal to 9.30% of outstanding shares — as of March 31, 2025.
A total of 1,732 institutional investors currently hold NOC stock, with a combined institutional value of approximately $61.70 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 84.9% of shares. The largest shareholder is STATE STREET CORP with a 9.30% stake. Company insiders hold 0.31%. Data sourced from SEC Form 13F as of March 31, 2025.