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
Edit 2: Michigan was decided for 2024.
⚪ 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 - decided by secretary of state -https://www.cnn.com/2023/12/28/politics/trump-maine-14th-amendment-ballot/index.html Previous rulings 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 - State supreme court denied to look at it: https://apnews.com/article/trump-insurrection-14th-amendment-ballot-michigan-colorado-b5a5d9ffa75efa63ab4780b04329e2a2 - 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
From the NPR link:
Unless I’m interpreting it wrong, are they purposely putting together flimsy unwinable lawsuits so that they can say, “well the courts already decided?”
Hard to say, but that thought crossed my mind as well.