diff --git a/client/src/components/History/Content/ContentItem.vue b/client/src/components/History/Content/ContentItem.vue
index 8c9c5d6666b9..b3891850a30f 100644
--- a/client/src/components/History/Content/ContentItem.vue
+++ b/client/src/components/History/Content/ContentItem.vue
@@ -3,7 +3,7 @@
         :id="contentId"
         :class="['content-item m-1 p-0 rounded btn-transparent-background', contentCls]"
         :data-hid="id"
-        :data-state="state"
+        :data-state="dataState"
         tabindex="0"
         role="button"
         @keydown="onKeyDown">
@@ -173,12 +173,13 @@ export default {
         state() {
             if (this.isPlaceholder) {
                 return "placeholder";
-            } else if (
-                this.item.history_content_type === "dataset_collection" &&
-                this.item.populated_state === "failed"
-            ) {
+            }
+            if (this.item.populated_state === "failed") {
                 return "failed_populated_state";
             }
+            if (this.item.populated_state === "new") {
+                return "new_populated_state";
+            }
             if (this.item.job_state_summary) {
                 for (const state of HIERARCHICAL_COLLECTION_JOB_STATES) {
                     if (this.item.job_state_summary[state] > 0) {
@@ -190,6 +191,9 @@ export default {
             }
             return "ok";
         },
+        dataState() {
+            return this.state === "new_populated_state" ? "new" : this.state;
+        },
         tags() {
             return this.item.tags;
         },
diff --git a/client/src/components/History/Content/model/StatesInfo.vue b/client/src/components/History/Content/model/StatesInfo.vue
index f559e4d772c7..2cd7ab525f1a 100644
--- a/client/src/components/History/Content/model/StatesInfo.vue
+++ b/client/src/components/History/Content/model/StatesInfo.vue
@@ -22,6 +22,10 @@ if (props.excludeStates) {
     }
 }
 
+function dataState(state: string) {
+    return state === "new_populated_state" ? "new" : state;
+}
+
 function onFilter(value: string) {
     emit("set-filter", `state`, value);
 }
@@ -37,7 +41,7 @@ function onFilter(value: string) {
             </i>
         </p>
         <dl v-for="(state, key, index) in states" :key="index">
-            <div :class="['alert', 'content-item', 'alert-' + state.status]" :data-state="key">
+            <div :class="['alert', 'content-item', 'alert-' + state.status]" :data-state="dataState(key)">
                 <dt>
                     <a v-if="!state.nonDb" class="text-decoration-none" href="javascript:void(0)" @click="onFilter(key)"
                         ><code>{{ key }}</code></a
diff --git a/client/src/components/History/Content/model/states.ts b/client/src/components/History/Content/model/states.ts
index 0cb0d5e5baf9..50add74d99ed 100644
--- a/client/src/components/History/Content/model/states.ts
+++ b/client/src/components/History/Content/model/states.ts
@@ -2,7 +2,7 @@ import type { components } from "@/api/schema";
 
 type DatasetState = components["schemas"]["DatasetState"];
 // The 'failed' state is for the collection job state summary, not a dataset state.
-type State = DatasetState | "failed" | "placeholder" | "failed_populated_state";
+type State = DatasetState | "failed" | "placeholder" | "failed_populated_state" | "new_populated_state";
 
 interface StateRepresentation {
     status: "success" | "warning" | "info" | "danger" | "secondary";
@@ -113,6 +113,13 @@ export const STATES: StateMap = {
         icon: "exclamation-triangle",
         nonDb: true,
     },
+    /** the `populated_state: new`. This state is only visual and transitional, it does not exist in the database. */
+    new_populated_state: {
+        status: "warning",
+        text: "This is a new collection and not all of its data are available yet.",
+        icon: "clock",
+        nonDb: true,
+    },
 } as const satisfies StateMap;
 
 /** We want to display a single state for a dataset collection whose elements may have mixed states.
diff --git a/client/src/components/History/HistoryFilters.js b/client/src/components/History/HistoryFilters.js
index f48913603175..051ca0a5450d 100644
--- a/client/src/components/History/HistoryFilters.js
+++ b/client/src/components/History/HistoryFilters.js
@@ -2,7 +2,7 @@ import { STATES } from "components/History/Content/model/states";
 import StatesInfo from "components/History/Content/model/StatesInfo";
 import Filtering, { compare, contains, equals, expandNameTag, toBool, toDate } from "utils/filtering";
 
-const excludeStates = ["empty", "failed", "upload", "placeholder", "failed_populated_state"];
+const excludeStates = ["empty", "failed", "upload", "placeholder", "failed_populated_state", "new_populated_state"];
 const states = Object.keys(STATES).filter((state) => !excludeStates.includes(state));
 
 const validFilters = {