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Smart Money Score
Composite context from Form 4, 13F and congressional disclosures; not a forecast.
Of the 20 tracked institutions holding NOC, 11 have a 3-year clone track record — 9 of them beat the S&P. Average holder's clone alpha: +3.4pt. It's a gauge of who owns the name, not just how many.
Among the 20 tracked institutional investors we monitor, NOC (NORTHROP GRUMMAN CORP) is held with a combined value of $25.83B across 49,079,229 shares. The largest holder is VANGUARD GROUP INC with a position worth $7.84B (0.11% of their portfolio). 2 funds opened new positions in the most recent quarter. 10 funds increased their holdings. 7 funds reduced their position.
Total Institutional Value
$25.83B
Total Shares Held
49,079,229
Institutional Holders
20
% of Shares Outstanding
34.5%
of 142.06M shares · SEC 2026-07-16
Days to Cover
4.2+6.3%
2.45M shares short · FINRA 2026-08-14
Tracked 13F institutions hold 34.5% of NOC's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-07-16), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
0
$0
10
$52.01K
Total Transactions
10
Last 12 months
| Date | Insider | Code | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 31 | $16.97K |
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 2 | $1.11K |
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 10 | $5.48K |
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 4 | $2.22K |
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 19 | $10.37K |
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 2 | $1.10K |
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 11 | $6.01K |
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 2 | $1.10K |
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 8 | $4.36K |
| Aug 3, 2026 | MARK A WELSH III | S | Sale | 6 | $3.30K |
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $7.84B | 0.11% | +1.5% |
| 2 | STATE STREET CORP | $6.71B | 0.20% | +1.3% |
| 3 | BlackRock, Inc. | $6.00B | 0.09% | +8.3% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | $2.51B | 0.43% | -0.8% |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | $922.49M | 0.09% | +4.1% |
| 6 | FMR LLC | $664.04M | 0.03% | -38.1% |
| 7 | CITADEL ADVISORS LLC | $289.08M | 0.17% | +665.8% |
| 8 | Capital Research Global Investors | $240.70M | 0.03% | -61.1% |
| 9 | AQR CAPITAL MANAGEMENT LLC | $219.01M | 0.08% | +27.1% |
| 10 | MILLENNIUM MANAGEMENT LLC | $154.01M | 0.10% | +38.5% |
| Description | Amount |
|---|---|
LARGE AIRCRAFT INFRARED COUNTERMEASURES ACQUISITION SYSTEMS ENGINEERING REQUIREMENT CROSS FUNCTIONAL (LASER X) CY24-26 SOFTWARE SUSTAINMENT | $37.7M |
LITENING F/A-18E/F SUPER HORNET INTEGRATION SUPPORT | $2.6M |
THE CONTINUED DESIGN AND DEVELOPMENT OF THE DIGITAL RECEIVER/EXCITER AT COMPONENT LEVEL SUBSYSTEMS FOR THE GROUND/AIR TASK ORIENTED RADAR (G/ATOR). |
SEC Schedule 13D (activist) and 13G (passive) filings for NOC. Filed when an investor acquires 5%+ ownership.
| Member | Type | Date |
|---|---|---|
| Alan Armstrong | Buy | Mar 27, 2026 |
| Steve Cohen | Sell | Dec 29, 2025 |
| Valerie Hoyle | Sell | Sep 23, 2025 |
| Gilbert Cisneros | Sell |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of NOC with a position worth $7.84B, representing 0.11% of their portfolio. In total, 20 institutional investors hold NOC with a combined value of $25.83B.
In the most recent quarter, 2 funds opened a new position in NOC. Additionally, 10 increased their holdings and 7 reduced their positions.
Institutional investors hold $25.83B worth of NOC stock across 20 positions. The largest institutional holder is VANGUARD GROUP INC with $7.84B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For NOC, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their NOC positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| $16.3M |
DAMASCUS - CD | $1000K |
COMPENSATION COIL - COMPASS BNCL CONNECTION BOX | $35K |
MACH 6 NOZZLE REDESIGN | $87K |
HABITABLE WORLDS OBSERVATORY SYSTEM TECHNOLOGY DEMONSTRATIONS AND MISSION ARCHITECTURE STUDIES | $8.4M |
TSFS FY26 GYRO REPLACEMENT WITH UNINTERRUPTIBLE POWER SUPPLY PURCHASE ORDER TO FUND APPROVED GYRO AND POWER SUPPLY REPLACEMENT BY SPERRY MARINE WHICH IS OWNED BY NORTHRUP GRUMMAN. | $79K |
W25PHS53536470 | $31K |
LTN-92 NAVIGATION DATABASE - ER-2 | $26K |
OPEN AND INSPECT OF GYRO COMPASS | $337K |
THE REQUIREMENTS ARE TO PROVIDE SYSTEM ADMINISTRATION, ENGINEERING, AND TECHNICAL SUPPORT FOR THE NAWCWD LABORATORIES AND NETWORKS USED IN THE DEVELOPMENT OF AEA SOFTWARE AND PRODUCTS IN SUPPORT OF THE UNITED STATES NAVY AND FOREIGN MILITARY SALES. | $401K |
8511968794!CONNECTING LINK,RIG | $48K |
THE PURPOSE OF THIS ORDER IS TO ADD TWO 5-DAY MAINTAINER COURSE (YEAR 4) TO SUPPORT THE DESIGN, TESTING, AND FIELDING OF THE AMPHIBIOUS COMBAT VEHICLE (ACV) -30. | $42K |
8511942034!FAIRING,AIRCRAFT | $41K |
8511959559!CABLE ASSEMBLY,RADI | $28K |
TIGER SOFTWARE | $1.5M |
NAVIGATION SET,SATE | $131K |
8512009490!WASHER,RECESSED | $11K |
PROCUREMENT OF ELECTRONIC WARFARE EQUIPMENT. | $7.6M |
Source: USASpending.gov · Federal contract awards for NOC
| Sep 5, 2025 |
| Ritchie John Torres | Sell | Jul 11, 2025 |
| Lisa McClain | Sell | Jun 24, 2025 |
| Lisa McClain | Buy | Jun 17, 2025 |
| Gilbert Cisneros | Buy | May 30, 2025 |
Showing 8 of 33. STOCK Act disclosures lag up to 45 days.
Last Close
$515.57
2026-09-09
YTD
-12.0%
7% of 52-week range
