diff --git a/digital_asset_types/src/dao/extensions/asset_grouping.rs b/digital_asset_types/src/dao/extensions/asset_grouping.rs
index 1d1bce87a..49b091efb 100644
--- a/digital_asset_types/src/dao/extensions/asset_grouping.rs
+++ b/digital_asset_types/src/dao/extensions/asset_grouping.rs
@@ -1,10 +1,11 @@
 use sea_orm::{EntityTrait, EnumIter, Related, RelationDef, RelationTrait};
 
-use crate::dao::{asset, asset_grouping};
+use crate::dao::{asset, asset_authority, asset_grouping};
 
 #[derive(Copy, Clone, Debug, EnumIter)]
 pub enum Relation {
     Asset,
+    AssetAuthority,
 }
 
 impl RelationTrait for Relation {
@@ -14,6 +15,10 @@ impl RelationTrait for Relation {
                 .from(asset_grouping::Column::AssetId)
                 .to(asset::Column::Id)
                 .into(),
+            Self::AssetAuthority => asset_grouping::Entity::belongs_to(asset_authority::Entity)
+                .from(asset_grouping::Column::AssetId)
+                .to(asset_authority::Column::Id)
+                .into(),
         }
     }
 }
@@ -23,3 +28,9 @@ impl Related<asset::Entity> for asset_grouping::Entity {
         Relation::Asset.def()
     }
 }
+
+impl Related<asset_authority::Entity> for asset_grouping::Entity {
+    fn to() -> RelationDef {
+        Relation::AssetAuthority.def()
+    }
+}
diff --git a/program_transformers/src/mpl_core_program/v1_asset.rs b/program_transformers/src/mpl_core_program/v1_asset.rs
index 5cd408562..0b69cf9da 100644
--- a/program_transformers/src/mpl_core_program/v1_asset.rs
+++ b/program_transformers/src/mpl_core_program/v1_asset.rs
@@ -26,7 +26,8 @@ use {
         entity::{ActiveValue, ColumnTrait, EntityTrait},
         query::{JsonValue, QueryFilter, QueryTrait},
         sea_query::query::OnConflict,
-        ConnectionTrait, DbBackend, TransactionTrait,
+        sea_query::Expr,
+        ConnectionTrait, CursorTrait, DbBackend, TransactionTrait,
     },
     serde_json::{value::Value, Map},
     solana_sdk::pubkey::Pubkey,
@@ -76,8 +77,8 @@ pub async fn save_v1_asset<T: ConnectionTrait + TransactionTrait>(
 
     // Note: This indexes both Core Assets and Core Collections.
     let asset = match account_data {
-        MplCoreAccountData::Asset(indexable_asset) => indexable_asset,
-        MplCoreAccountData::Collection(indexable_asset) => indexable_asset,
+        MplCoreAccountData::Asset(indexable_asset)
+        | MplCoreAccountData::Collection(indexable_asset) => indexable_asset,
         _ => return Err(ProgramTransformerError::NotImplemented),
     };
 
@@ -133,6 +134,11 @@ pub async fn save_v1_asset<T: ConnectionTrait + TransactionTrait>(
         .await
         .map_err(|db_err| ProgramTransformerError::AssetIndexError(db_err.to_string()))?;
 
+    if matches!(account_data, MplCoreAccountData::Collection(_)) {
+        update_group_asset_authorities(conn, id_vec.clone(), update_authority.clone(), slot_i)
+            .await?;
+    }
+
     //-----------------------
     // asset_data table
     //-----------------------
@@ -361,7 +367,7 @@ pub async fn save_v1_asset<T: ConnectionTrait + TransactionTrait>(
             )
             .build(DbBackend::Postgres);
         query.sql = format!(
-            "{} WHERE excluded.slot_updated > asset_grouping.slot_updated",
+            "{} WHERE excluded.slot_updated >= asset_grouping.slot_updated",
             query.sql
         );
         txn.execute(query)
@@ -536,3 +542,61 @@ fn convert_keys_to_snake_case(plugins_json: &mut Value) {
         _ => {}
     }
 }
+
+/// Updates the `asset_authority` for all assets that are part of a collection in a batch.
+/// This function performs a cursor-based paginated read and batch update.
+async fn update_group_asset_authorities<T: ConnectionTrait + TransactionTrait>(
+    conn: &T,
+    group_value: Vec<u8>,
+    authority: Vec<u8>,
+    slot: i64,
+) -> ProgramTransformerResult<()> {
+    let mut after = None;
+
+    let group_key = "collection".to_string();
+    let group_value = bs58::encode(group_value).into_string();
+
+    let mut query = asset_grouping::Entity::find()
+        .filter(asset_grouping::Column::GroupKey.eq(group_key))
+        .filter(asset_grouping::Column::GroupValue.eq(group_value))
+        .cursor_by(asset_grouping::Column::AssetId);
+    let mut query = query.first(1_000);
+
+    loop {
+        if let Some(after) = after.clone() {
+            query = query.after(after);
+        }
+
+        let entries = query.all(conn).await?;
+
+        if entries.is_empty() {
+            break;
+        }
+
+        let asset_ids = entries
+            .clone()
+            .into_iter()
+            .map(|entry| entry.asset_id)
+            .collect::<Vec<_>>();
+
+        asset_authority::Entity::update_many()
+            .col_expr(
+                asset_authority::Column::Authority,
+                Expr::value(authority.clone()),
+            )
+            .col_expr(asset_authority::Column::SlotUpdated, Expr::value(slot))
+            .filter(asset_authority::Column::AssetId.is_in(asset_ids))
+            .filter(asset_authority::Column::Authority.ne(authority.clone()))
+            .filter(Expr::cust_with_values(
+                "asset_authority.slot_updated < $1",
+                vec![slot],
+            ))
+            .exec(conn)
+            .await
+            .map_err(|db_err| ProgramTransformerError::AssetIndexError(db_err.to_string()))?;
+
+        after = entries.last().map(|entry| entry.asset_id.clone());
+    }
+
+    Ok(())
+}