Insurance carrier
Columbia Insurance Group
Currently ranked #62 by filing activity. Activity below is based on admitted P&C product filings from Nov 11, 2025 to Nov 11, 2026.
Rank
#62
Top 500 carrier
Filings
714
11/11/25 to 11/11/26
Companies
3
States
14
State footprint
Latest
Nov 3, 2026
Avg rate increase +5.7%
Lines of business
Columbia Insurance Group files in 13 SERFF sub-types of insurance. The 10 most filed are shown.
| Line of business | Filings | Companies | States | Latest filing |
|---|---|---|---|---|
| Commercial General Liability17.0001 | 198 | 3 | 14 | Oct 28, 2026 |
| Business Auto20.0001 | 126 | 3 | 13 | Nov 3, 2026 |
| Commercial Property (Fire & Allied Lines)01.0001 | 108 | 3 | 14 | Oct 28, 2026 |
| Standard WC16.0004 | 90 | 3 | 14 | Oct 30, 2026 |
| Businessowners05.0002 | 78 | 3 | 12 | Sep 30, 2026 |
| Commercial Burglary & Theft26.0001 | 39 | 3 | 9 | May 14, 2026 |
| Commercial Umbrella & Excess17.2020 | 24 | 1 | 11 | Jul 23, 2026 |
| Commercial Package05.0003 | 21 | 3 | 6 | Jun 3, 2026 |
| Other Commercial Inland Marine09.0005 | 18 | 3 | 4 | Sep 29, 2026 |
| Employers Liability WC16.0002 | 3 | 3 | 1 | Feb 25, 2026 |
3 more products
See more productsState activity
Filings, filing companies and the average reported overall rate change in each state, most filed first.
Filings by month
Filings by submission month and filing type, Nov 11, 2025 to Nov 11, 2026. The first and last months are partial.
| Month | Filings | Form | Rate/Rule | Form/Rate/Rule | Other |
|---|---|---|---|---|---|
| Nov 2025 | 6 | 0 | 6 | 0 | 0 |
| Dec 2025 | 78 | 33 | 22 | 23 | 0 |
| Jan 2026 | 88 | 7 | 81 | 0 | 0 |
| Feb 2026 | 75 | 6 | 63 | 3 | 3 |
| Mar 2026 | 21 | 0 | 21 | 0 | 0 |
| Apr 2026 | 91 | 17 | 65 | 9 | 0 |
| May 2026 | 58 | 13 | 33 | 12 | 0 |
| Jun 2026 | 21 | 6 | 15 | 0 | 0 |
| Jul 2026 | 15 | 4 | 11 | 0 | 0 |
| Aug 2026 | 87 | 15 | 54 | 18 | 0 |
| Sep 2026 | 78 | 36 | 33 | 9 | 0 |
| Oct 2026 | 93 | 18 | 57 | 18 | 0 |
| Nov 2026 | 3 | 3 | 0 | 0 | 0 |
| Total | 714 | 158 | 461 | 92 | 3 |
Standard forms this carrier files
1 published standard form page lists Columbia Insurance Group among the carriers filing the form. Counts are Columbia Insurance Group's own filings of each form.
| Form | Title | Filings | States | Editions | Last filed |
|---|---|---|---|---|---|
| CG 20 37 | Additional Insured - Owners, Lessees or Contractors - Completed Operations Endorsement | 10 | 10 | 04 13, 07 04, 10 01 | Oct 26, 2026 |
rate impact
Reported Rate Impact
Filings
39
Companies
3
Avg Impact
+5.7%
Max Increase
+63.7%
Max Decrease
-10.2%
Reported rate impact by state
-10.2% to -4.4%-4.4% to +1.4%+1.4% to +45.7%+45.7% to +63.7%
Rate impact filingsShowing up to 39 filings
07/23/26Columbia National Insurance CompanyTNCommercial UmbrellaRate/Rule+63.7%+250.0%
07/23/26Columbia National Insurance CompanyKYCommercial UmbrellaRate/Rule+58.3%+127.3%
07/23/26Columbia National Insurance CompanyMOCommercial UmbrellaRate/Rule+46.8%+165.2%
07/23/26Columbia National Insurance CompanyMSCommercial UmbrellaRate/Rule+45.7%+127.3%
07/23/26Columbia National Insurance CompanySDCommercial UmbrellaRate/Rule+39.1%+141.6%
05/07/26Columbia National Insurance CompanyTXCommercial AutomobileRate/Rule+25.6%+32.7%
05/07/26Association Casualty Insurance CompanyTXCommercial AutomobileRate/Rule+25.6%+33.3%
05/07/26Columbia Mutual Insurance CompanyTXCommercial AutomobileRate/Rule+25.1%+33.4%
07/23/26Columbia National Insurance CompanyGACommercial UmbrellaRate/Rule+25.0%+354.5%
06/10/26Association Casualty Insurance CompanyGAGeneral LiabilityRate/Rule+4.8%+9.7%
06/10/26Columbia Mutual Insurance CompanyGAGeneral LiabilityRate/Rule+4.3%+10.3%
06/10/26Columbia National Insurance CompanyGAGeneral LiabilityRate/Rule+3.9%+8.8%
10/07/26Columbia Mutual Insurance CompanyILWorkers CompensationRate/Rule-2.3%+11.7%
10/30/26Columbia Mutual Insurance CompanyKSWorkers CompensationRate/Rule-2.7%+11.2%
02/25/26Association Casualty Insurance CompanyTNWorkers CompensationRate/Rule-2.7%+1.4%
10/30/26Association Casualty Insurance CompanyKSWorkers CompensationRate/Rule-3.3%+3.5%
10/07/26Columbia National Insurance CompanyILWorkers CompensationRate/Rule-3.4%+3.3%
06/10/26Columbia National Insurance CompanyMOCommercial PropertyRate/Rule-3.7%-1.5%
06/10/26Association Casualty Insurance CompanyMOCommercial PropertyRate/Rule-3.7%0.0%
06/10/26Columbia Mutual Insurance CompanyMOGeneral LiabilityRate/Rule-3.8%0.0%
06/10/26Columbia Mutual Insurance CompanyMOCommercial PropertyRate/Rule-3.8%0.0%
10/30/26Columbia National Insurance CompanyKSWorkers CompensationRate/Rule-3.9%+5.0%
10/07/26Association Casualty Insurance CompanyILWorkers CompensationRate/Rule-3.9%+3.7%
06/10/26Association Casualty Insurance CompanyMOGeneral LiabilityRate/Rule-4.2%0.0%
06/10/26Columbia National Insurance CompanyMOGeneral LiabilityRate/Rule-4.4%-1.4%
02/25/26Columbia National Insurance CompanyTNWorkers CompensationRate/Rule-4.5%-1.2%
02/25/26Columbia Mutual Insurance CompanyTNWorkers CompensationRate/Rule-4.6%-2.1%
04/06/26Columbia National Insurance CompanyTXWorkers CompensationRate/Rule-4.7%+4.4%
05/05/26Columbia Mutual Insurance CompanySDWorkers CompensationRate/Rule-5.2%+4.3%
04/06/26Association Casualty Insurance CompanyTXWorkers CompensationRate/Rule-5.3%+3.4%
05/05/26Columbia National Insurance CompanySDWorkers CompensationRate/Rule-5.8%+1.3%
05/05/26Association Casualty Insurance CompanySDWorkers CompensationRate/Rule-6.3%+1.7%
04/06/26Columbia Mutual Insurance CompanyTXWorkers CompensationRate/Rule-6.5%+4.6%
03/26/26Columbia National Insurance CompanyGAWorkers CompensationRate/Rule-8.7%+1.1%
04/06/26Columbia National Insurance CompanyARWorkers CompensationRate/Rule-9.0%0.0%
03/26/26Columbia Mutual Insurance CompanyGAWorkers CompensationRate/Rule-9.0%0.0%
04/06/26Columbia Mutual Insurance CompanyARWorkers CompensationRate/Rule-9.6%+0.9%
04/06/26Association Casualty Insurance CompanyARWorkers CompensationRate/Rule-10.0%-1.3%
03/26/26Association Casualty Insurance CompanyGAWorkers CompensationRate/Rule-10.2%+0.9%
product mix by company
Top 5 companies
Columbia National Insurance Company254 filings
General Liability66
Commercial Automobile42
Commercial Property36
Workers Compensation31
Columbia Safeguard Businessowners26
Association Casualty Insurance Company230 filings
General Liability66
Commercial Automobile42
Commercial Property36
Workers Compensation31
Columbia Safeguard Businessowners26
Columbia Mutual Insurance Company230 filings
General Liability66
Commercial Automobile42
Commercial Property36
Workers Compensation31
Columbia Safeguard Businessowners26
live tape
Recent Documents
Forms
6 docs10/26/26Association Casualty Insurance CompanyTXCG_20_10_04_13_Addl_Insured-Owners_Lessees_Or_Contractors-Scheduled_Person_Or_Organization.pdfGeneral Liability
10/26/26Association Casualty Insurance CompanyTXCG_20_37_04_13_Addl_Insured-Owners_Lessees_Or_Contractors-Completed_Operations.pdfGeneral Liability
10/26/26Association Casualty Insurance CompanyTXCG_20_10_07_04_Addl_Insured-Owners_Lessees_Or_Contractors-Scheduled_Person_Or_Organization.pdfGeneral Liability
10/26/26Association Casualty Insurance CompanyTXCG_20_10_10_01_Addl_Insured-Owners_Lessees_Or_Contractors-Scheduled_Person_Or_Organization.pdfGeneral Liability
10/26/26Association Casualty Insurance CompanyTXCG_20_37_10 01_Addl_Insured-Owners_Lessees_Or_Contractors-Completed_Operations.pdfGeneral Liability
10/26/26Association Casualty Insurance CompanyTXCG_20_37_07_04_Addl_Insured-Owners_Lessees_Or_Contractors-Completed_Operations.pdfGeneral Liability
Rate/Rule
112 docs10/26/26Columbia National Insurance CompanyTXTX Exception PageGeneral Liability
10/26/26Columbia National Insurance CompanyTNTN Exception PageGeneral Liability
10/26/26Columbia Mutual Insurance CompanyKSKS Exception PageGeneral Liability
10/26/26Columbia National Insurance CompanySDSD Exception PageGeneral Liability
10/26/26Columbia National Insurance CompanyALAL Exception PageGeneral Liability
10/26/26Columbia National Insurance CompanyALComplete CGS Manual 12-26General Liability
10/26/26Columbia National Insurance CompanyKYKY Exception PageGeneral Liability
10/26/26Columbia National Insurance CompanyMSMS Exception PageGeneral Liability
10/26/26Columbia National Insurance CompanyGAComplete CGS Manual 12-26General Liability
10/26/26Columbia National Insurance CompanyGAGA Exception PageGeneral Liability
10/22/26Columbia National Insurance CompanyNENE Exception PageGeneral Liability
10/07/26Columbia National Insurance CompanyILIL WCP Rate Pages (ACI)Workers Compensation
10/07/26Columbia National Insurance CompanyILIL WCP Rate Pages (CMI)Workers Compensation
10/07/26Columbia National Insurance CompanyILManual Page (CMI)Workers Compensation
10/07/26Columbia National Insurance CompanyILManual Page (ACI)Workers Compensation
10/07/26Columbia National Insurance CompanyILManual Page (CNI)Workers Compensation
10/07/26Columbia National Insurance CompanyILIL WCP Rate Pages (CNI)Workers Compensation
09/30/26Columbia National Insurance CompanyKSKS Exception PageColumbia Safeguard Businessowners
08/19/26Association Casualty Insurance CompanyKYKY ACI Manual PageWorkers Compensation
08/19/26Columbia Mutual Insurance CompanyKYKY CMI Manual PageWorkers Compensation
08/19/26Columbia National Insurance CompanyKYKY CNI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyIAIA CNI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyIAIA CMI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyIAIA ACI Manual PageWorkers Compensation
08/12/26Columbia Mutual Insurance CompanyTXTX ACI Manual PageWorkers Compensation
08/12/26Columbia Mutual Insurance CompanyTXTX CMI Manual PageWorkers Compensation
08/12/26Columbia Mutual Insurance CompanyTXTX CNI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyGAGA ACI Complete WC Manual 8-26Workers Compensation
08/12/26Columbia National Insurance CompanyGAGA CMI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyGAGA CNI Complete WC Manual 8-26Workers Compensation
08/12/26Columbia National Insurance CompanyGAGA ACI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyGAGA CNI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyGAGA CMI Complete WC Manual 8-26Workers Compensation
08/12/26Columbia National Insurance CompanyMOMO ACI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyMOMO CNI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyMOMO CMI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyOKOK CNI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyOKOK ACI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyOKOK CMI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyKSKS CNI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyKSKS ACI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyKSKS CMI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyTNTN CMI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyTNTN CNI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyTNTN ACI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanySDSD CMI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanySDSD ACI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanySDSD CNI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyILIL CMI Manual PageWorkers Compensation
08/12/26Columbia National Insurance CompanyILIL ACI Manual PageWorkers Compensation
Supporting Documentation
366 docs10/30/26Columbia National Insurance CompanyKSRate/Rule Filing ChecklistWorkers Compensation
10/28/26Association Casualty Insurance CompanyTNRate/Rule Filing ChecklistCommercial Automobile
10/28/26Association Casualty Insurance CompanyTNFiling Fees For Property and CasualtyCommercial Automobile
10/28/26Columbia National Insurance CompanyGAA. Filing Compliance CertificationCommercial Automobile
10/28/26Columbia National Insurance CompanyGAFiling Fee Transmittal FormCommercial Automobile
10/26/26Association Casualty Insurance CompanyTXFiling memorandumGeneral Liability
10/26/26Association Casualty Insurance CompanyTXBase policy formGeneral Liability
10/26/26Association Casualty Insurance CompanyTXBase policy formGeneral Liability
10/26/26Association Casualty Insurance CompanyTXBase policy formGeneral Liability
10/26/26Association Casualty Insurance CompanyTXForm usage table - Other LinesGeneral Liability
10/26/26Columbia National Insurance CompanyTXExhibit AGeneral Liability
10/26/26Columbia National Insurance CompanyTXMarked up manual pageGeneral Liability
10/26/26Columbia National Insurance CompanyTXExhibit CGeneral Liability
10/26/26Columbia National Insurance CompanyTXExhibit AGeneral Liability
10/26/26Columbia National Insurance CompanyTXExhibit CGeneral Liability
10/26/26Columbia National Insurance CompanyTXExhibit AGeneral Liability
10/26/26Columbia National Insurance CompanyTXFiling Memorandum (Rates/Rules)General Liability
10/26/26Columbia National Insurance CompanyTXExhibit CGeneral Liability
10/26/26Columbia National Insurance CompanyTNFiling Fees For Property and CasualtyGeneral Liability
10/26/26Columbia National Insurance CompanyTNRate/Rule ChecklistGeneral Liability
10/26/26Columbia National Insurance CompanyTNRedlined AttachmentsGeneral Liability
10/26/26Columbia Mutual Insurance CompanyKSComplete and Current Manual for all Rate/Rule FilingsGeneral Liability
10/26/26Columbia Mutual Insurance CompanyKSRedline RequirementGeneral Liability
10/26/26Columbia Mutual Insurance CompanyKSKS ChecklistGeneral Liability
10/26/26Columbia National Insurance CompanyGAFiling Fee Transmittal FormGeneral Liability
10/26/26Columbia National Insurance CompanyGAA. Filing Compliance CertificationGeneral Liability
10/26/26Columbia National Insurance CompanySDRedlinesGeneral Liability
10/26/26Columbia National Insurance CompanyKYMarked up manual pageGeneral Liability
10/26/26Columbia National Insurance CompanyMSMarked up manual pageGeneral Liability
10/26/26Columbia National Insurance CompanyGAM0R. Rule ComparisonGeneral Liability
10/26/26Columbia National Insurance CompanyGAFiling Fee Transmittal FormGeneral Liability
10/26/26Columbia National Insurance CompanyGAA. Filing Compliance CertificationGeneral Liability
10/22/26Columbia National Insurance CompanyNENE CGS Marked up manual page 10-26General Liability
10/07/26Columbia National Insurance CompanyILActuarial ExhibitsWorkers Compensation
10/07/26Columbia National Insurance CompanyILActuarial ExhibitsWorkers Compensation
10/07/26Columbia National Insurance CompanyILMarked-up Rate Pages 3-27Workers Compensation
10/07/26Columbia National Insurance CompanyILMarked-up Rate Pages 3-27Workers Compensation
10/07/26Columbia National Insurance CompanyILExplanatory MemorandumWorkers Compensation
10/07/26Columbia National Insurance CompanyILLCM Calculation FormsWorkers Compensation
10/07/26Columbia National Insurance CompanyILMarked-up Rate Pages 3-27Workers Compensation
10/07/26Columbia National Insurance CompanyILActuarial ExhibitsWorkers Compensation
10/07/26Columbia National Insurance CompanyILActuarial ExhibitsWorkers Compensation
09/30/26Columbia National Insurance CompanyKSRedline RequirementColumbia Safeguard Businessowners
09/30/26Columbia National Insurance CompanyKSComplete and Current Manual for all Rate/Rule FilingsColumbia Safeguard Businessowners
09/29/26Columbia Mutual Insurance CompanyGAF0R. Explanatory Memorandum - Rate/RuleCommercial Inland Marine
09/29/26Columbia Mutual Insurance CompanyGAA. Filing Compliance CertificationCommercial Inland Marine
09/29/26Columbia Mutual Insurance CompanyGAFiling Fee Transmittal FormCommercial Inland Marine
09/29/26Columbia National Insurance CompanyMOExhibit A, B, & C (20 CSR 500-4.200)Commercial Inland Marine
09/29/26Columbia National Insurance CompanyMOExhibit A, B, & C (20 CSR 500-4.200)Commercial Inland Marine
09/29/26Columbia National Insurance CompanyMOExhibit A, B, & C (20 CSR 500-4.200)Commercial Inland Marine
Lines of business Columbia Insurance Group files in
View allMarket-wide filing activity, carriers and rate changes for each line.
Carriers filing in the same lines
View allRanked carriers whose filings are spread across the same lines of business.
Nationwide Corporation Group
#9 / 6,505 filings
Shared lines: Commercial General Liability, Commercial Property, Commercial Auto
Pennsylvania National Insurance Group
#76 / 528 filings
Shared lines: Commercial General Liability, Commercial Auto, Commercial Property
Fairfax Financial Group
#15 / 4,003 filings
Shared lines: Commercial General Liability, Commercial Auto, Workers Compensation
Chubb Limited Group
#4 / 12,652 filings
Shared lines: Commercial General Liability, Commercial Auto, Commercial Property
Greater NY Group
#47 / 989 filings
Shared lines: Commercial General Liability, Commercial Auto, Commercial Property
Cincinnati Financial Group
#23 / 3,106 filings
Shared lines: Commercial Auto, Commercial General Liability, Commercial Property