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PC Connection Inc

CNXN
Exchange
Nasdaq
Industry
Wholesale-Computers & Peripheral Equipment & Software
SEC CIK
0001050377

In the last 90 days, PC Connection Inc insiders filed 0 open-market purchases and 9 sales; 190 institutions reported holding it in 13F filings for Q2 2026, worth $760.8M in total; no superinvestor holds it.

Holders of 5% or more of CNXN

Holders whose latest Schedule 13D or 13G filing reports 5% or more of PC Connection Inc, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of CNXN
HolderLatest formStakeChangeFirst filedLatest filingFiling
Gallup Patricia13D/A54.40%13.8M shares0.00 ppfrom 54.40%Sep 27, 20219 filingsSep 17, 2025SEC
BlackRock, Inc.13G/A7.10%1.84M shares–Apr 23, 20251 filingApr 23, 2025SEC
Dimensional Fund Advisors LP13G/A6.10%1.55M shares–Feb 12, 20215 filingsJul 15, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

23 Schedule 13D and 13G filings on PC Connection Inc, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on CNXN
Filed (ET)FilerFormStakeChangeEvent dateFiling
Sep 17, 20258:23 PM ETGallup Patriciaand 1 other13D/A54.40%13.8M shares0.00 ppfrom 54.40%Sep 15, 2025SEC
Aug 25, 20254:58 PM ETGallup Patriciaand 2 others13D/A54.40%13.8M shares+1.00 ppfrom 53.40%Aug 21, 2025SEC
Jul 15, 20254:03 PM ETDimensional Fund Advisors LP13G/A6.10%1.55M shares–Jun 30, 2025SEC
Apr 23, 20258:57 PM ETBlackRock, Inc.13G/A7.10%1.84M shares–Mar 31, 2025SEC
Mar 24, 20258:45 PM ETGallup Patriciaand 2 others13D/A53.40%13.8M shares–Mar 20, 2025SEC
Sep 18, 2024Gallup Patricia13D/AOld format–––SEC
May 10, 2024Gallup Patricia13D/AOld format–––SEC
Feb 9, 2024Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 5, 2024Mawer Investment Management Ltd.13G/AOld format–––SEC
Jan 24, 20242:27 PM ETBlackRock Inc.13G/AOld format–––SEC
Mar 15, 2023Gallup Patricia13D/AOld format–––SEC
Feb 13, 2023Mawer Investment Management Ltd.13G/AOld format–––SEC
Feb 10, 2023Dimensional Fund Advisors LP13G/AOld format–––SEC
Jan 24, 20231:56 PM ETBlackRock Inc.13G/AOld format–––SEC
May 12, 2022Gallup Patricia13D/AOld format–––SEC
Feb 10, 2022Mawer Investment Management Ltd.13G/AOld format–––SEC
Feb 8, 2022Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 1, 20225:08 PM ETBlackRock Inc.13G/AOld format–––SEC
Dec 22, 2021Gallup Patricia13D/AOld format–––SEC
Sep 27, 2021Gallup Patricia13D/AOld format–––SEC
Feb 12, 2021Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 5, 2021Mawer Investment Management Ltd.13GOld format–New–SEC
Feb 2, 20212:56 PM ETBlackRock Inc.13GOld format–New–SEC

Form 144: proposed insider sales

7 notices from officers, directors and other affiliates planning to sell PC Connection Inc shares, newest first.

Form 144 notices for CNXN
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Dec 13, 20235:11 PM ETThomas BakerOfficer5.00K$321.4KDec 13, 2023Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Dec 8, 20233:58 PM ETAmendedMcGrath Timothy JOfficer30.0K$1.83MNov 20, 2023Kestra FinancialSEC
Nov 13, 20239:02 AM ETJack L Ferguson & Alyce FergusonDirector3.00K$177.3KNov 10, 2023Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Sep 11, 20235:07 PM ETThomas C. BakerOfficer2.50K$133.9KSep 11, 2023Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Aug 8, 20234:53 PM ETMcGrath Timothy JOfficer50.0K$2.59MAug 8, 2023Kestra FinancialSEC
Aug 7, 20235:30 PM ETBarbara R DuckettOfficer2.00K$106.1KAug 7, 2023Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Jun 2, 20236:01 PM ETEstate of David M HallOfficer55.9K$2.58MJun 2, 202310b5-1Goldman Sachs & Co. LLCSEC