A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.

Why are some filings missing?

New filings appear as the SEC updates EDGAR, and older records can vary by availability.

How often is this page updated?

Updates follow new EDGAR submissions and periodic data refreshes.

Filer Snapshot

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO

CIK 0000897599. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Company

Total Filings

187

Latest Filing

07 May 2026

Industry

Electronic Components & Accessories

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Open 13F if you want portfolio holdings.
Open 13D/G or insider pages only when this CIK has those rows.

Open 13F portfolio

Source: SEC Form 13F

13F-HR filed on 07 May 2026 for CIK 0000897599.

View Source Filing

Industry: Electronic Components & Accessories (Office Of Manufacturing)
Business address: 6801 Rockledge Dr, Mp150, Bethesda, MD, 20817
Top securities (13F): NVDA, AAPL, VT, VOO, AGG, MSFT, GOOGL, AMZN, VEA, TSM, IEMG, GOOG, IVOO, META, JNJ, BND, XOM, IEFA, TSLA, and AVGO
Top holdings (Schedule 13G): SL INVESTMENT FUND II LLC
State of incorporation: DE
Fiscal year end: 31 December
Former names: MARTIN MARIETTA CORP /MD/ (to 14 Feb 1996)

Filer intelligence

What SEC filings say about LOCKHEED MARTIN INVESTMENT MANAGEMENT CO

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

Open 13F portfolio Save filer

Quick read

Latest parsed 13F shows $2.73B across 111 reported holdings for Q1 2026.
Largest parsed 13F holding: NVDA at $212.13M.
1 recent 13D/G stake row found; top row is SL INVESTMENT FUND II LLC at 0% ownership.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed

13F portfolio 111 rows

Quarterly institutional portfolio holdings.

Open

13D/G stakes 1 rows

Beneficial ownership and large-stake disclosures.

Open

Forms 3/4/5 No rows yet

Officer, director, and 10% owner holdings or transactions.

Open

Top parsed 13F holdings

Visual share of the latest parsed 13F portfolio. Values are reported market value, not a recommendation.

Q1 2026 - 07 May 2026

VT

5.6%

Vanguard Intl Equity Index F

$152.15M

13D/G large-stake context

SL INVESTMENT FUND II LLC

31 Jan 2026 · Common Units, par value $0.001 per unit

Issuer page 13D/G history

Latest update

What changed recently for LOCKHEED MARTIN INVESTMENT MANAGEMENT CO

New filing available

Latest 13F period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

07 May 2026

Page type

Filer profile

Latest period

Q1 2026

Institutional portfolio context was refreshed from a 13F filing filed on 07 May 2026.

Open filer profile Browse recent public updates

Benchmark Context

Benchmark context for this company

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.

Why this is notable

Latest 13F period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.

Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
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Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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Filer Overview

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO has filed 187 SEC EDGAR filings since 14 Feb 1994. Common forms include 13F-HR, SCHEDULE 13G, SCHEDULE 13G/A, N-PX and more.

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO SEC filings LOCKHEED MARTIN INVESTMENT MANAGEMENT CO 13F portfolio LOCKHEED MARTIN INVESTMENT MANAGEMENT CO 13D/G history

Latest Filings

Recent SEC filings for LOCKHEED MARTIN INVESTMENT MANAGEMENT CO with direct links to document and filing folders.

13F-HR File 028-02847

13F-HR filing

Filing date: 07 May 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G

SCHEDULE 13G filing

Filing date: 04 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date: 09 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 05 Feb 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 30 Oct 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

N-PX File 028-02847

N-PX filing

Filing date: 28 Aug 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 04 Aug 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 12 May 2025
Reporting date: 31 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G

SCHEDULE 13G filing

Filing date: 07 Feb 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 27 Jan 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 14 Nov 2024
Reporting date: 30 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 04 Oct 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

N-PX File 028-02847

N-PX filing

Filing date: 05 Sep 2024
Reporting date: 30 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 07 Aug 2024
Reporting date: 30 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 13 May 2024
Reporting date: 31 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 12 Feb 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 12 Feb 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 12 Feb 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 13 Nov 2023
Reporting date: 30 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 14 Aug 2023
Reporting date: 30 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 11 May 2023
Reporting date: 31 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-02847

13F-HR/A filing

Filing date: 14 Feb 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G

SC 13G filing

Filing date: 10 Feb 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 10 Feb 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 08 Feb 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 03 Nov 2022
Reporting date: 30 Sep 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 12 Aug 2022
Reporting date: 30 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 12 May 2022
Reporting date: 31 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 10 Feb 2022
Reporting date: 31 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 08 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 08 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 12 Nov 2021
Reporting date: 30 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 06 Aug 2021
Reporting date: 30 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 17 May 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 12 May 2021
Reporting date: 31 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G

SC 13G filing

Filing date: 01 Apr 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 814-01366

FORM 3

Filing date: 18 Mar 2021
Reporting date: 12 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-02847

13F-HR/A filing

Filing date: 12 Feb 2021
Reporting date: 31 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 12 Feb 2021
Reporting date: 31 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 13 Nov 2020
Reporting date: 30 Sep 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 31 Jul 2020
Reporting date: 30 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 23 Apr 2020
Reporting date: 31 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 10 Feb 2020
Reporting date: 31 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 14 Nov 2019
Reporting date: 30 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 14 Aug 2019
Reporting date: 30 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 10 May 2019
Reporting date: 31 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 14 Feb 2019
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 01 Feb 2019
Reporting date: 31 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 13 Nov 2018
Reporting date: 30 Sep 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 14 Aug 2018
Reporting date: 30 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G

LOCKHEED MARTIN 13G

Filing date: 11 May 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 26 Apr 2018
Reporting date: 31 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A

SC 13G/A filing

Filing date: 12 Feb 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 18 Jan 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 06 Nov 2017
Reporting date: 30 Sep 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-02847

13F-HR filing

Filing date: 27 Jul 2017
Reporting date: 30 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G