KING LUTHER CAPITAL MANAGEMENT CORP - 14 Mar 2026 SCHEDULE 13D/A Report for Distribution Solutions Group, Inc. Common Stock, $1.00 par value (DSGR)

Filing manager
KING LUTHER CAPITAL MANAGEMENT CORP
Reporting owner
Luther King Capital Management Corporation
Security
Distribution Solutions Group, Inc. Common Stock, $1.00 par value
Beneficially owned shares
36,357,588 shares
Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

79%

Beneficial ownership of this reported class.

Shares

36,357,588 shares

Shares beneficially owned as disclosed.

Event date

14 Mar 2026

Date tied to the ownership event or amendment.

Accepted by SEC

16 Mar 2026

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Class ownership
79%
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
DSGR
Shares outstanding
46,197,698 shares
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
SCHEDULE 13D/A
Accepted by SEC
16 Mar 2026, 07:28:25 UTC
Event date
14 Mar 2026
Prior SEC filing
14 Feb 2025
Source filing
View source filing

Key filing fact

KING LUTHER CAPITAL MANAGEMENT CORP disclosed 79% ownership in Distribution Solutions Group, Inc. Common Stock, $1.00 par value (DSGR) on 14 Mar 2026.

Key facts

  • KING LUTHER CAPITAL MANAGEMENT CORP filed SCHEDULE 13D/A for Distribution Solutions Group, Inc. Common Stock, $1.00 par value (DSGR).
  • Disclosed ownership: 79%.
  • Date of event: 14 Mar 2026.

Change

  • Previous schedule filing date: 14 Feb 2025.
  • Current filing was accepted on 16 Mar 2026, 07:28.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

View source filing

Reporting persons

Disclosed reporting parties (14)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
LKCM Private Discipline Master Fund, SPC / PDLP Lawson, LLC 7.7% 3,578,228 3,578,228 0 /s/ J. Bryan King President 0001406372
LKCM Investment Partnership, L.P. 1.2% 552,500 552,500 0 /s/ J Luther King, Jr. President of the General Partner 0001406371
LKCM Micro-Cap Partnership, L.P. 0.1% 56,470 56,470 0 /s/ J. Bryan King President 0001502285
LKCM Core Discipline, L.P. 0.1% 23,182 23,182 0 /s/ J. Bryan King President 0001502283
LKCM Headwater Investments II, L.P. 2.6% 1,184,652 1,184,652 0 /s/ J. Bryan King President of the General Partner 0001621801
LKCM Headwater II Sidecar Partnership, L.P. 0% 0 0 0 /s/ J. Bryan King President of the General Partner 0001713995
LKCM Headwater Investments III, L.P. 0% 0 0 0 /s/ J. Bryan King President of the General Partner 0001764096
301 HW Opus Investors, LLC 35% 16,000,000 16,000,000 0 /s/ J. Bryan King President 0001921598
LKCM TE Investors, LLC 17% 8,000,000 8,000,000 0 /s/ J. Bryan King President 0001921624
Headwater Lawson Investors, LLC 7.6% 3,522,988 3,522,988 0 /s/ J. Bryan King President 0001765653
LKCM Headwater Investments IV, L.P. 7.4% 3,434,044 3,434,044 0 /s/ J. Bryan King President of the General Partner 0001955947
Luther King Capital Management Corporation 79% 36,357,588 36,357,588 0 /s/ J. Bryan King Principal and Vice President 0000310051
J. Luther King, Jr. 79% 36,357,588 36,357,588 0 /s/ J. Luther King, Jr. J. Luther King, Jr. 0001290407
J. Bryan King 78% 35,838,638 35,838,638 0 /s/ J. Bryan King J. Bryan King 0001406297
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