Northrop Grumman Corporation (NOC) Stock
NYSENOC has an Alpha Score of 45 out of 100 (weak), computed on Oct 26, 2026 from 3 of 4 sub-scores. 21 members of Congress disclosed 61 trades in NOC since 2015: 32 purchases and 29 sales, most recently Alan Armstrong (purchase, Mar 27, 2026). 7 of the hedge funds AlphaScala tracks reported NOC in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Citadel's at $289.08M. Company insiders reported 0 open-market buys and 10 sales on SEC Form 4 in the 90 days to Oct 30, 2026. Its trailing P/E ratio is 17.3 and its net margin 10.4% (key statistics as of Oct 29, 2026).
What is NOC's Alpha Score?
How it works →Alpha Score of 45 reflects weak overall profile with weak momentum, weak value, moderate quality. Based on 3 of 4 signals – score is capped at 90 until remaining data ingests.
Computed from 3 of 4 sub-scores; a sub-score is left out when its inputs are missing, and the composite is capped accordingly.
Computed Oct 26, 2026
A rules-based research rating, not a recommendation to buy or sell.
Which members of Congress traded Northrop Grumman Corporation (NOC)?
Most recent: Alan Armstrong (purchase, Mar 27, 2026); records start Jan 7, 2015.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Alan Armstrong R-OK · Senate | 2026-03-27 | purchase | $1k – $15k |
| Steve Cohen D-TN · House | 2025-12-29 | partial sale | $15k – $50k |
| Val Hoyle D-OR · House | 2025-09-23 | sale | $1k – $15k |
| Gil Cisneros D-CA · House | 2025-09-05 | partial sale | $1k – $15k |
| Ritchie Torres D-NY · House | 2025-07-11 | sale | $1k – $15k |
| Lisa McClain R-MI · House | 2025-06-24 | sale | $1k – $15k |
| Lisa McClain R-MI · House | 2025-06-17 | purchase | $1k – $15k |
| Gil Cisneros D-CA · House | 2025-05-30 | purchase | $1k – $15k |
From STOCK Act periodic transaction reports. House filings as of Oct 29, 2026. Senate records here end Oct 21, 2026; later Senate trades are not included.
Every member of Congress who traded NOC, with filing lags →Which hedge funds own NOC?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Citadel Ken Griffin | 568K | $289.08M | +666% |
| D.E. Shaw David Shaw | 439K | $223.68M | +111% |
| Millennium Management Israel Englander | 302K | $154.01M | +65% |
| Renaissance Technologies Jim Simons (founder) | 203K | $103.58M | +1934% |
| Marshall Wace | 31K | $15.54M | NEW |
| Soros Fund Management George Soros (founder) | 10K | $4.92M | n/a |
| Bridgewater Associates Ray Dalio | 3K | $1.57M | -73% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are Northrop Grumman Corporation insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 8 | $4K |
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 19 | $10K |
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 11 | $6K |
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 31 | $17K |
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 10 | $5K |
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 6 | $3K |
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 2 | $1K |
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 2 | $1K |
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 2 | $1K |
| Aug 3, 26 | Welsh Mark A Iii | Director | SELL | 4 | $2K |
SEC Form 4 filings as of Oct 30, 2026
See cluster-buy signals across all tickers →What are NOC's key statistics?
Key statistics as of Oct 29, 2026
How does NOC's valuation compare with the Industrials sector?
| Metric | NOC | Industrials median | Companies in median |
|---|---|---|---|
| P/E ratio | 17.3 | 28.4 | 164 |
| Net margin | 10.37% | 9.15% | 179 |
| Return on equity | 25.70% | 15.90% | 178 |
| Dividend yield (payers) | 1.59% | 1.40% | 122 |
Medians over the Industrials stocks whose key statistics were refreshed in the last 35 days (newest Oct 31, 2026). P/E excludes loss-making companies.
AlphaScala analysis on NOC
Latest 2NOC price chart
Powered by TradingViewWhat does Northrop Grumman Corporation do?
Northrop Grumman Corporation is an aerospace and defense technology company operating in the United States, Asia/Pacific, Europe, and internationally. It provides advanced aircraft systems, engaging in the design, development, production, integration, sustainment, and modernization of these systems primarily for U.S. military applications. The company structures its operations across key segments including Aeronautics Systems, Defense Systems, Mission Systems, and Space Systems, delivering cutting-edge solutions for national security needs. Northrop Grumman Corporation specializes in strategic programs such as bombers and missile systems, alongside mission-critical technologies that support defense modernization efforts. Its offerings encompass autonomous systems, cyber solutions, and space technologies, serving government and military clients with a focus on innovation in high-stakes environments. Founded in 1939 and headquartered in Falls Church, Virginia, Northrop Grumman Corporation plays a vital role in the global aerospace and defense sector, contributing to technological advancements in aviation, space exploration, and defense capabilities.