This is the best I could piece together. If I got anything wrong or you think I should add any state, please let me know in the comments with an accompanying article. A light grey circle means it’s still open.

Edit: Found lots more info here, but only lists the case numbers for most of them. Has a great map on it: https://www.lawfaremedia.org/current-projects/the-trump-trials/section-3-litigation-tracker

⚪ Alaska - lawsuit filed by Castro and pending - https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Arizona- case dismissed https://www.nbcnews.com/politics/donald-trump/federal-judge-rejects-bid-keep-trump-ballot-arizona-rcna128239

⚪ California - a call to the secretary of state, but unlikely. Also, Castro withdrew challenge - https://www.msn.com/en-us/news/politics/secretary-of-state-downplays-call-for-removal-of-trump-from-california-ballot/ar-AA1lWNv6

✔️ Colorado - Trump ruled to be not on ballot - Won by Citizens for Responsibility and Ethics in Washington (CREW). Also, Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Connecticut - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Delaware - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Florida - dismissed & US supreme court refused to take it up- https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Idaho - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Kansas - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

⚪ Maine - not decided yet - https://www.nytimes.com/2023/12/22/us/maine-trump-ballot.html Also, Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Massachusetts - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

⚪ Michigan - may go to the state supreme court - brought by Free Speech for Free People - https://www.businessinsider.com/michigan-could-remove-trump-from-ballot-next-2023-12?op=1

⚪ Minnesota - state supreme court ruled the republican party can decide who they want on the primary ballot, but left the case open for another filing for the main ballot- brought by Free Speech for Free People, says they will bring more suits in the future- https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Montana - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

⚪ Nevada - Lawsuit filed by castro

⚪ New Mexico - pending Castro filed suit https://www.lawfaremedia.org/current-projects/the-trump-trials/section-3-litigation-tracker

⚪ New Jersey - pending Bellochio filed suit https://www.lawfaremedia.org/current-projects/the-trump-trials/section-3-litigation-tracker

⚪ New York - pending 2, Castro & Dewald filed suit https://www.lawfaremedia.org/current-projects/the-trump-trials/section-3-litigation-tracker

❌ North Carolina - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Oklahoma - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

⚪ Oregon - going to the state supreme court - Free Speech for Free People brought suit - https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Pennsylvania - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

❌ Rhode Island - dismissed - https://www.tampafp.com/federal-judge-in-rhode-island-tosses-trump-2024/

⚪ Texas - pending Castro filed suit https://www.lawfaremedia.org/current-projects/the-trump-trials/section-3-litigation-tracker

❌ Utah - Castro withdrew challenge https://www.npr.org/2023/12/21/1220769191/colorado-trump-candidacy-fourteenth-amendment-insurrection

⚪ Vermont - pending Castro filed suit https://www.lawfaremedia.org/current-projects/the-trump-trials/section-3-litigation-tracker

⚪ Virginia - filed by Roy L. Perry-Bey of Hampton https://www.wric.com/news/virginia-news/motion-filed-to-remove-trump-from-virginia-ballots/

⚪ West Virginia - pending Castro filed suit https://www.lawfaremedia.org/current-projects/the-trump-trials/section-3-litigation-tracker

⚪ Wisconsin - pending Castro filed suit https://www.lawfaremedia.org/current-projects/the-trump-trials/section-3-litigation-tracker

⚪ Wyoming - pending Newcomb v Gray (?) https://www.lawfaremedia.org/current-projects/the-trump-trials/section-3-litigation-tracker