diff --git a/Sources/IMsgCore/MessageStore+Messages.swift b/Sources/IMsgCore/MessageStore+Messages.swift
index 0ccee4a..2694331 100644
--- a/Sources/IMsgCore/MessageStore+Messages.swift
+++ b/Sources/IMsgCore/MessageStore+Messages.swift
@@ -13,6 +13,7 @@ extension MessageStore {
     let associatedTypeColumn = hasReactionColumns ? "m.associated_message_type" : "NULL"
     let destinationCallerColumn = hasDestinationCallerID ? "m.destination_caller_id" : "NULL"
     let audioMessageColumn = hasAudioMessageColumn ? "m.is_audio_message" : "0"
+    let threadOriginatorColumn = hasReactionColumns ? "m.thread_originator_guid" : "NULL"
     let reactionFilter =
       hasReactionColumns
       ? " AND (m.associated_message_type IS NULL OR m.associated_message_type < 2000 OR m.associated_message_type > 3006)"
@@ -22,7 +23,8 @@ extension MessageStore {
              \(audioMessageColumn) AS is_audio_message, \(destinationCallerColumn) AS destination_caller_id,
              \(guidColumn) AS guid, \(associatedGuidColumn) AS associated_guid, \(associatedTypeColumn) AS associated_type,
              (SELECT COUNT(*) FROM message_attachment_join maj WHERE maj.message_id = m.ROWID) AS attachments,
-             \(bodyColumn) AS body
+             \(bodyColumn) AS body,
+             \(threadOriginatorColumn) AS thread_originator_guid
       FROM message m
       JOIN chat_message_join cmj ON m.ROWID = cmj.message_id
       LEFT JOIN handle h ON m.handle_id = h.ROWID
@@ -74,6 +76,7 @@ extension MessageStore {
         let associatedType = intValue(row[11])
         let attachments = intValue(row[12]) ?? 0
         let body = dataValue(row[13])
+        let threadOriginatorGUID = stringValue(row[14])
         var resolvedText = text.isEmpty ? TypedStreamParser.parseAttributedBody(body) : text
         if isAudioMessage, let transcription = try audioTranscription(for: rowID) {
           resolvedText = transcription
@@ -94,7 +97,8 @@ extension MessageStore {
             handleID: handleID,
             attachmentsCount: attachments,
             guid: guid,
-            replyToGUID: replyToGUID
+            replyToGUID: replyToGUID,
+            threadOriginatorGUID: threadOriginatorGUID.isEmpty ? nil : threadOriginatorGUID
           ))
       }
       return messages
@@ -108,6 +112,7 @@ extension MessageStore {
     let associatedTypeColumn = hasReactionColumns ? "m.associated_message_type" : "NULL"
     let destinationCallerColumn = hasDestinationCallerID ? "m.destination_caller_id" : "NULL"
     let audioMessageColumn = hasAudioMessageColumn ? "m.is_audio_message" : "0"
+    let threadOriginatorColumn = hasReactionColumns ? "m.thread_originator_guid" : "NULL"
     let reactionFilter =
       hasReactionColumns
       ? " AND (m.associated_message_type IS NULL OR m.associated_message_type < 2000 OR m.associated_message_type > 3006)"
@@ -117,7 +122,8 @@ extension MessageStore {
              \(audioMessageColumn) AS is_audio_message, \(destinationCallerColumn) AS destination_caller_id,
              \(guidColumn) AS guid, \(associatedGuidColumn) AS associated_guid, \(associatedTypeColumn) AS associated_type,
              (SELECT COUNT(*) FROM message_attachment_join maj WHERE maj.message_id = m.ROWID) AS attachments,
-             \(bodyColumn) AS body
+             \(bodyColumn) AS body,
+             \(threadOriginatorColumn) AS thread_originator_guid
       FROM message m
       LEFT JOIN chat_message_join cmj ON m.ROWID = cmj.message_id
       LEFT JOIN handle h ON m.handle_id = h.ROWID
@@ -152,6 +158,7 @@ extension MessageStore {
         let associatedType = intValue(row[12])
         let attachments = intValue(row[13]) ?? 0
         let body = dataValue(row[14])
+        let threadOriginatorGUID = stringValue(row[15])
         var resolvedText = text.isEmpty ? TypedStreamParser.parseAttributedBody(body) : text
         if isAudioMessage, let transcription = try audioTranscription(for: rowID) {
           resolvedText = transcription
@@ -172,7 +179,8 @@ extension MessageStore {
             handleID: handleID,
             attachmentsCount: attachments,
             guid: guid,
-            replyToGUID: replyToGUID
+            replyToGUID: replyToGUID,
+            threadOriginatorGUID: threadOriginatorGUID.isEmpty ? nil : threadOriginatorGUID
           ))
       }
       return messages
diff --git a/Sources/IMsgCore/Models.swift b/Sources/IMsgCore/Models.swift
index ca15e9d..de2e893 100644
--- a/Sources/IMsgCore/Models.swift
+++ b/Sources/IMsgCore/Models.swift
@@ -221,6 +221,7 @@ public struct Message: Sendable, Equatable {
   public let chatID: Int64
   public let guid: String
   public let replyToGUID: String?
+  public let threadOriginatorGUID: String?
   public let sender: String
   public let text: String
   public let date: Date
@@ -240,12 +241,14 @@ public struct Message: Sendable, Equatable {
     handleID: Int64?,
     attachmentsCount: Int,
     guid: String = "",
-    replyToGUID: String? = nil
+    replyToGUID: String? = nil,
+    threadOriginatorGUID: String? = nil
   ) {
     self.rowID = rowID
     self.chatID = chatID
     self.guid = guid
     self.replyToGUID = replyToGUID
+    self.threadOriginatorGUID = threadOriginatorGUID
     self.sender = sender
     self.text = text
     self.date = date
diff --git a/Sources/imsg/OutputModels.swift b/Sources/imsg/OutputModels.swift
index ef8e477..25dd1b7 100644
--- a/Sources/imsg/OutputModels.swift
+++ b/Sources/imsg/OutputModels.swift
@@ -30,6 +30,7 @@ struct MessagePayload: Codable {
   let chatID: Int64
   let guid: String
   let replyToGUID: String?
+  let threadOriginatorGUID: String?
   let sender: String
   let isFromMe: Bool
   let text: String
@@ -42,6 +43,7 @@ struct MessagePayload: Codable {
     self.chatID = message.chatID
     self.guid = message.guid
     self.replyToGUID = message.replyToGUID
+    self.threadOriginatorGUID = message.threadOriginatorGUID
     self.sender = message.sender
     self.isFromMe = message.isFromMe
     self.text = message.text
@@ -55,6 +57,7 @@ struct MessagePayload: Codable {
     case chatID = "chat_id"
     case guid
     case replyToGUID = "reply_to_guid"
+    case threadOriginatorGUID = "thread_originator_guid"
     case sender
     case isFromMe = "is_from_me"
     case text
diff --git a/Sources/imsg/RPCPayloads.swift b/Sources/imsg/RPCPayloads.swift
index ae71090..5e3c8ad 100644
--- a/Sources/imsg/RPCPayloads.swift
+++ b/Sources/imsg/RPCPayloads.swift
@@ -51,6 +51,9 @@ func messagePayload(
   if let replyToGUID = message.replyToGUID, !replyToGUID.isEmpty {
     payload["reply_to_guid"] = replyToGUID
   }
+  if let threadOriginatorGUID = message.threadOriginatorGUID, !threadOriginatorGUID.isEmpty {
+    payload["thread_originator_guid"] = threadOriginatorGUID
+  }
   return payload
 }