Filer Snapshot

Thomas Keck

CIK 0001821978. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

1

Latest filing

18 Sep 2025

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

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

Largest parsed holding

Populates from the latest parsed 13F information table.

Open holding

13D/G large stake

STEP

18 Sep 2025 · 5.2% ownership

Open 13D/G

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Source: SEC Schedule 13D/G

SCHEDULE 13D filed on 18 Sep 2025 for CIK 0001821978.

View Source Filing
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$257.63M

Reporting-owner positions with enough data to estimate value.

Estimated Forms 3/4/5 position value

$257.63M

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.

STEP

Schedule 13D positions

Active large-stake positions disclosed in parsed Schedule 13D filings.

STEP
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
450 Lexington Avenue, 31 St Floor, New York, NY, 10017

Filer intelligence

What SEC filings say about Thomas Keck

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

Quick read

  • 1 recent 13D/G stake row found; top row is STEP at 5.2% ownership.
  • Forms 3/4/5 show insider context for STEP worth $257.63M.

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 4 rows

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

Open

13D/G large-stake context

STEP

18 Sep 2025 · Class A Common Stock, Par Value $0.001 Per Share

5.2%

Forms 3/4/5 insider context

STEP

13 Mar 2026

$257.63M

StepStone Private Equity Strategies Fund

18 Aug 2025

StepStone Private Credit Income Fund

14 Jun 2024 · 10% owner

XPMIX

13 Jul 2023

Latest update

What changed recently for Thomas Keck

Ownership report updated

Latest ownership report period: 13 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

17 Mar 2026

Page type

Ownership filings

Latest period

13 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 17 Mar 2026.

SEC filing record

CIK 0001821978 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
1
First seen
18 Sep 2025
Latest filing
18 Sep 2025
Entity
Individual

Observed form types

SCHEDULE 13D

Latest Filings

Showing the latest 1 of 1 SEC filings for Thomas Keck.

SCHEDULE 13D

SCHEDULE 13D filing

Filing date
18 Sep 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
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