Portolan Capital Management, LLC reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Boston, MA
SEC filing record 1 source field available
Fiscal year end
31 December
Portolan Capital Management, LLC has filed 264 SEC EDGAR filings since 09 Feb 2006

SEC filing history

Showing 101-125 of 241 matching filings.

Per page
25
Current page
5
SC 13G/A

SC 13G/A

Filing date
11 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
04 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SCHEDULE 13G/A

Filing date
06 Jan 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-HR File 028-11602

13F-HR filing

Filing date
15 Nov 2021
Reporting date
30 Sep 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
21 Oct 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
03 Sep 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-HR File 028-11602

13F-HR filing

Filing date
16 Aug 2021
Reporting date
30 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
09 Jul 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
09 Jul 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SCHEDULE 13G

Filing date
11 Jun 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-HR File 028-11602

13F-HR filing

Filing date
17 May 2021
Reporting date
31 Mar 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
10 May 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SCHEDULE 13G

Filing date
19 Apr 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
13F-HR File 028-11602

13F-HR filing

Filing date
16 Feb 2021
Reporting date
31 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SCHEDULE 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SC 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SC 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SCHEDULE 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SC 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SC 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SC 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A

SC 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
08 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
05 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G

SC 13G

Filing date
29 Jan 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .