DF DENT & CO INC SEC EDGAR Filings (CIK 0000934999)

SEC EDGAR filings, ownership reports, and insider transactions for DF DENT & CO INC.

Business address
400 East Pratt Street, 7 Th Floor, Baltimore, MD, 21202
Top securities (13F)
HEIA, VMC, V, GOOG, TDG, ECL, AMZN, MA, WCN, MCO, VEEV, CSGP, MSFT, VLTO, FAST, TECH, ISRG, CBRE, MPWR, and SPGI
State of incorporation
MD
Fiscal year end
31 December
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DF DENT & CO INC has filed 172 SEC EDGAR filings since 23 Apr 1999

Latest Filings

Recent SEC filings for DF DENT & CO INC including 13F-HR, N-PX, SCHEDULE 13G/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2025 30 Sep 2025 028-03691
N-PX Open N-PX document View SEC filing for N-PX 25 Aug 2025 30 Jun 2025 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2025 30 Jun 2025 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2025 31 Mar 2025 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2025 31 Dec 2024 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2024 30 Sep 2024 028-03691
N-PX Open N-PX document View SEC filing for N-PX 30 Aug 2024 30 Jun 2024 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2024 30 Jun 2024 028-03691
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 06 Aug 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2024 31 Mar 2024 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G 21 Mar 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2024 31 Dec 2023 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DF DENT 13G AMENDMENT 09 Jan 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2023 30 Sep 2023 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2023 30 Jun 2023 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G DFDENTUTZ 11 Aug 2023
SC 13G Open SC 13G document View SEC filing for SC 13G 15 Jun 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2023 31 Mar 2023 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Feb 2023 31 Dec 2022 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G GSHD 13G 30 Dec 2022
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2022 30 Sep 2022 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2022 30 Jun 2022 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 May 2022 31 Mar 2022 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2022 31 Dec 2021 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2021 30 Sep 2021 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Aug 2021 30 Jun 2021 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 17 May 2021 31 Mar 2021 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Feb 2021 31 Dec 2020 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G DF DENT AND COMPANY 15 Jan 2021
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Nov 2020 30 Sep 2020 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2020 30 Jun 2020 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DF DENT AND COMPANY BLACK LINE 13G 02 Jul 2020
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2020 31 Mar 2020 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2020 31 Dec 2019 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2019 30 Sep 2019 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DF DENT 13GA BRKS 08 Nov 2019
SC 13G Open SC 13G document View SEC filing for SC 13G BROOKSAUTOMATION 23 Sep 2019
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2019 30 Jun 2019 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2019 31 Mar 2019 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2019 31 Dec 2018 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G AMENDED 11 Jan 2019
SC 13G Open SC 13G document View SEC filing for SC 13G BL 11 Jan 2019
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2018 30 Sep 2018 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2018 30 Jun 2018 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2018 31 Mar 2018 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G WAGE13G 10 May 2018
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Feb 2018 31 Dec 2017 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G WAGE 13G 08 Jan 2018
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2017 30 Sep 2017 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2017 30 Jun 2017 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2017 31 Mar 2017 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Feb 2017 31 Dec 2016 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2016 30 Sep 2016 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G WAGE UNDER 5% FILING 16 Sep 2016
SC 13G Open SC 13G document View SEC filing for SC 13G PROS 13G 02 Sep 2016
SC 13G Open SC 13G document View SEC filing for SC 13G ENVESTNET 13G 02 Sep 2016
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2016 30 Jun 2016 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A EXAM 16 May 2016 005-89494
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 May 2016 31 Mar 2016 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2016 31 Dec 2015 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G 13G ENV 20 Nov 2015
13F-HR Open 13F-HR document View SEC filing for 13F-HR 19 Nov 2015 30 Sep 2015 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G 13G UPDATED FILING 16 Nov 2015
SC 13G Open SC 13G document View SEC filing for SC 13G EXAM 13G 02 Oct 2015
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2015 30 Jun 2015 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2015 31 Mar 2015 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Feb 2015
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Feb 2015
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Feb 2015
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2015 31 Dec 2014 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2014 30 Sep 2014 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G 13G TNGO 03 Nov 2014
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 Jul 2014 30 Jun 2014 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Apr 2014 31 Mar 2014 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G EXAMWORKS 13G 14 Feb 2014
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Feb 2014 31 Dec 2013 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13G/A WAGE 17 Jan 2014
13F-HR Open 13F-HR document View SEC filing for 13F-HR 31 Oct 2013 30 Sep 2013 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NAUH BELOW 5% 30 Oct 2013
13F-HR Open 13F-HR document View SEC filing for 13F-HR 25 Jul 2013 30 Jun 2013 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G INNERWORKINGS 19 Jul 2013
SC 13G Open SC 13G document View SEC filing for SC 13G INNERWORKINGS INC 03 May 2013
13F-HR Open 13F-HR document View SEC filing for 13F-HR MARCH 2013 25 Apr 2013 31 Mar 2013 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G WAGEWORKS OVER 5 28 Mar 2013
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NAUH ANNUAL FILING 2012 22 Jan 2013
13F-HR Open 13F-HR document View SEC filing for 13F-HR DECEMBER 2012 13F 18 Jan 2013 31 Dec 2012 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR SEPTEMBER 2012 13 F REPORT 19 Oct 2012 30 Sep 2012 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR JUNE 2012 13F REPORT 18 Jul 2012 30 Jun 2012 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DELERTRAK HOLDINGS BELOW 5 06 Jun 2012
13F-HR Open 13F-HR document View SEC filing for 13F-HR MARCH 2012 13F 25 Apr 2012 31 Mar 2012 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A DEALERTRACK HOLDINGS ANNUAL 22 Feb 2012
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NAUH ANNUAL REPORT 22 Feb 2012
13F-HR Open 13F-HR document View SEC filing for 13F-HR DECEMBER 2011 13F 06 Feb 2012 31 Dec 2011 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A BEACON ROOFING SUPPLY UNDER 5 12 Jan 2012
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A TRAK101211 18 Oct 2011
13F-HR Open 13F-HR document View SEC filing for 13F-HR SEPT2011 17 Oct 2011 30 Sep 2011 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A APEI UNDER 5 08 Aug 2011
13F-HR Open 13F-HR document View SEC filing for 13F-HR JUNE 2011 13F REPORT 08 Aug 2011 30 Jun 2011 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMERICAN PUBLIC EDUCATION ANNUAL FILING 21 Apr 2011
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A TRAK13GAAPR11 21 Apr 2011
13F-HR Open 13F-HR document View SEC filing for 13F-HR MARCH 2011 13F REPORT 21 Apr 2011 31 Mar 2011 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G 01 Apr 2011
SC 13G Open SC 13G document View SEC filing for SC 13G 01 Apr 2011
SC 13G Open SC 13G document View SEC filing for SC 13G 01 Apr 2011
13F-HR Open 13F-HR document View SEC filing for 13F-HR DECEMBER 2010 13F REPORT 26 Jan 2011 31 Dec 2010 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G NAUH INITIAL 13G FILING 26 Jan 2011
13F-HR Open 13F-HR document View SEC filing for 13F-HR SEPTEMBER 2010 13F REPORT 18 Oct 2010 30 Sep 2010 028-03691
SC 13G Open SC 13G document View SEC filing for SC 13G APEI INITIAL FILING 16 Aug 2010
13F-HR Open 13F-HR document View SEC filing for 13F-HR JUNE 2010 13F REPORT 27 Jul 2010 30 Jun 2010 028-03691
13F-HR Open 13F-HR document View SEC filing for 13F-HR MARCH 2010 13F REPORT 16 Apr 2010 31 Mar 2010 028-03691
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A KTII UNDER 5%; FINAL 05 Mar 2010
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A KTII ANNUAL FILING FOR 2009 19 Feb 2010
13F-HR Open 13F-HR document View SEC filing for 13F-HR DECEMBER 2009 13F REPORT 26 Jan 2010 31 Dec 2009 028-03691

About this filer

DF DENT & CO INC files with the SEC under CIK 0000934999. This page aggregates EDGAR filings and related ownership activity.

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