Filer Snapshot

Tunc Doluca

CIK 0001183597. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

45

Latest filing

16 Nov 2023

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: Forms 3/4/5 owner position for ADI. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

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Populates from the latest parsed 13F information table.

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13D/G large stake

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No recent parsed 13D/G stake row for this CIK.

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Source: SEC Forms 3/4/5

4 filed on 16 Nov 2023 for CIK 0001183597.

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Ownership signals 1 signal
Ownership signals

SEC value by filing type

Compare filing types separately; 13F, 13D/G, and Forms 3/4/5 are different evidence sources.

Forms 3/4/5 positions$138.54M

Reporting-owner positions with enough data to estimate value.

Estimated Forms 3/4/5 position value

$138.54M

Estimated only when owner filings include enough share and price data.

Largest linked SEC positions

Largest issuer positions found across parsed 13F, 13D/G, and Forms 3/4/5 data.

ADI WDC
How to read these SEC values
  • Read each filing type on its own: 13F portfolios, 13D/G large stakes, and Forms 3/4/5 owner positions answer different questions.
  • Open the linked research paths when you need to verify the exact SEC filing behind a value.
Identity 1 identity field
Business address
C/O Western Digital Corporation, 5601 Great Oaks Parkway, San Jose, CA, 95119

Filer intelligence

What SEC filings say about Tunc Doluca

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

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Quick read

  • Forms 3/4/5 show insider context for ADI worth $133.1M.

SEC source mix

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

XML parsed
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

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13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 3 rows

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

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Forms 3/4/5 insider context

ADI

01 Mar 2023

$133.1M
Issuer page Owner page

WDC

18 Mar 2026

$5.45M
Issuer page Owner page

MXIM

26 Aug 2021 · President and CEO

Issuer page Owner page

Latest update

What changed recently for Tunc Doluca

Ownership report updated

Latest ownership report period: 18 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

19 Mar 2026

Page type

Ownership filings

Latest period

18 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 19 Mar 2026.

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SEC filing record

CIK 0001183597 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
45
First seen
07 May 2021
Latest filing
16 Nov 2023
Entity
Individual

Observed form types

3 4 4/A

CIK-linked evidence first

Tunc Doluca SEC filings Tunc Doluca owner filings Open SEC filing index

Latest Filings

Showing the latest 12 of 45 SEC filings for Tunc Doluca.

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4

4 filing

Filing date
16 Nov 2023
Reporting date
15 Nov 2023
SEC evidence
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4

4 filing

Filing date
02 Mar 2023
Reporting date
01 Mar 2023
SEC evidence
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4

4 filing

Filing date
16 Feb 2023
Reporting date
15 Feb 2023
SEC evidence
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4

4 filing

Filing date
03 Feb 2023
Reporting date
01 Feb 2023
SEC evidence
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4

4 filing

Filing date
12 Jan 2023
Reporting date
11 Jan 2023
SEC evidence
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4

4 filing

Filing date
04 Jan 2023
Reporting date
03 Jan 2023
SEC evidence
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4

4 filing

Filing date
02 Dec 2022
Reporting date
01 Dec 2022
SEC evidence
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4

4 filing

Filing date
28 Nov 2022
Reporting date
23 Nov 2022
SEC evidence
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4

4 filing

Filing date
14 Nov 2022
Reporting date
10 Nov 2022
SEC evidence
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4

4 filing

Filing date
05 Oct 2022
Reporting date
04 Oct 2022
SEC evidence
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4

4 filing

Filing date
02 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
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4

4 filing

Filing date
16 Aug 2022
Reporting date
15 Aug 2022
SEC evidence
Open document Open filing
Next action
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