Filer Snapshot

Rakuten Mobile, Inc.

CIK 0002035591. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Company

Total filings

8

Latest filing

13 May 2026

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: 13D/G stake for ASTS. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

Open 13D/G history Save page

Largest parsed holding

—

Populates from the latest parsed 13F information table.

Open holding

13D/G large stake

ASTS

01 May 2026 · 5.3% ownership

Open 13D/G

Save this filer page

Create a free account to keep this page in your watchlists. After verification, we will save it automatically and open your saved research list.

Create free account and save this filer Already have an account? Sign in and save it
Source: SEC Form 13F

13F-NT filed on 13 May 2026 for CIK 0002035591.

View Source Filing
Identity 1 fact
Business address
Crimson House, 1 14 1 Tamagawa,, Setagaya Ku, Tokyo, Japan, 158-0094
SEC ownership signals 2 facts
Ownership coverage

Form 3/4/5 holdings value

$2.41B

Estimated from parsed insider ownership filings when values are disclosed.

Top disclosed positions
ASTS
SEC filing record 2 facts
State of incorporation
Japan
Fiscal year end
31 December

Filer intelligence

What SEC filings say about Rakuten Mobile, Inc.

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

Save filer

Quick read

  • 1 recent 13D/G stake row found; top row is ASTS at 5.3% ownership.
  • Forms 3/4/5 show insider context for ASTS worth $2.41B.

SEC source mix

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

XML parsed
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

Open
13D/G stakes 1 rows

Beneficial ownership and large-stake disclosures.

Open
Forms 3/4/5 1 rows

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

Open

13D/G large-stake context

ASTS

01 May 2026 · Class A Common Stock

5.3%
Issuer page 13D/G history

Forms 3/4/5 insider context

ASTS

14 Apr 2026 · 10% owner

$2.41B
Issuer page Owner page

Latest update

What changed recently for Rakuten Mobile, Inc.

New filing available

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

Update date

13 May 2026

Page type

Filer profile

Latest period

Q1 2026

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

Open filer profile Browse recent public updates

Benchmark Context

Benchmark context for this company

Rakuten Mobile, Inc. 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.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

Open company facts Browse metric rankings

SEC filing record

CIK 0002035591 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
8
First seen
14 May 2025
Latest filing
13 May 2026
Entity
Company

Observed form types

13F-NT 3 4 N-PX

Primary evidence

Open SEC filing index Rakuten Mobile, Inc. SEC filings Rakuten Mobile, Inc. 13F portfolio Rakuten Mobile, Inc. 13D/G history Rakuten Mobile, Inc. owner filings

Latest Filings

Showing the latest 8 of 8 SEC filings for Rakuten Mobile, Inc..

13F-NT File 028-25582

13F-NT filing

Filing date
13 May 2026
Reporting date
31 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
3 File 001-39040

FORM 3

Filing date
16 Apr 2026
Reporting date
10 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39040

FORM 4

Filing date
16 Apr 2026
Reporting date
14 Apr 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-NT File 028-25582

13F-NT filing

Filing date
10 Feb 2026
Reporting date
31 Dec 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-NT File 028-25582

13F-NT filing

Filing date
12 Nov 2025
Reporting date
30 Sep 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
N-PX File 028-25582

N-PX filing

Filing date
25 Sep 2025
Reporting date
30 Jun 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-NT File 028-25582

13F-NT filing

Filing date
13 Aug 2025
Reporting date
30 Jun 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-NT File 028-25582

13F-NT filing

Filing date
14 May 2025
Reporting date
31 Mar 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .