diff --git a/app/src/main/java/org/mozilla/fenix/home/topsites/TopSites.kt b/app/src/main/java/org/mozilla/fenix/home/topsites/TopSites.kt
index 46d4fb4305..a701fdfc21 100644
--- a/app/src/main/java/org/mozilla/fenix/home/topsites/TopSites.kt
+++ b/app/src/main/java/org/mozilla/fenix/home/topsites/TopSites.kt
@@ -104,6 +104,7 @@ fun TopSites(
     onRemoveTopSiteClicked: (topSite: TopSite) -> Unit,
     onSettingsClicked: () -> Unit,
     onSponsorPrivacyClicked: () -> Unit,
+    onTopSitesItemBound: () -> Unit,
 ) {
     val pageCount = ceil((topSites.size.toDouble() / TOP_SITES_PER_PAGE)).toInt()
 
@@ -154,6 +155,7 @@ fun TopSites(
                                     topSiteColors = topSiteColors,
                                     onTopSiteClick = { item -> onTopSiteClick(item) },
                                     onTopSiteLongClick = onTopSiteLongClick,
+                                    onTopSitesItemBound = onTopSitesItemBound,
                                 )
                             }
                         }
@@ -251,6 +253,7 @@ private fun TopSiteItem(
     topSiteColors: TopSiteColors,
     onTopSiteClick: (TopSite) -> Unit,
     onTopSiteLongClick: (TopSite) -> Unit,
+    onTopSitesItemBound: () -> Unit,
 ) {
     var menuExpanded by remember { mutableStateOf(false) }
 
@@ -339,6 +342,10 @@ private fun TopSiteItem(
             }
         }
     }
+
+    LaunchedEffect(Unit) {
+        onTopSitesItemBound()
+    }
 }
 
 /**
@@ -587,6 +594,7 @@ private fun TopSitesPreview() {
                 onRemoveTopSiteClicked = {},
                 onSettingsClicked = {},
                 onSponsorPrivacyClicked = {},
+                onTopSitesItemBound = {},
             )
         }
     }
diff --git a/app/src/main/java/org/mozilla/fenix/home/topsites/TopSitesViewHolder.kt b/app/src/main/java/org/mozilla/fenix/home/topsites/TopSitesViewHolder.kt
index 74e67ef26b..0e6eb91a14 100644
--- a/app/src/main/java/org/mozilla/fenix/home/topsites/TopSitesViewHolder.kt
+++ b/app/src/main/java/org/mozilla/fenix/home/topsites/TopSitesViewHolder.kt
@@ -9,9 +9,11 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.ComposeView
 import androidx.lifecycle.LifecycleOwner
 import mozilla.components.lib.state.ext.observeAsComposableState
+import org.mozilla.fenix.HomeActivity
 import org.mozilla.fenix.components.components
 import org.mozilla.fenix.compose.ComposeViewHolder
 import org.mozilla.fenix.home.sessioncontrol.TopSiteInteractor
+import org.mozilla.fenix.perf.StartupTimeline
 import org.mozilla.fenix.wallpapers.WallpaperState
 
 /**
@@ -49,6 +51,9 @@ class TopSitesViewHolder(
                 onRemoveTopSiteClicked = interactor::onRemoveTopSiteClicked,
                 onSettingsClicked = interactor::onSettingsClicked,
                 onSponsorPrivacyClicked = interactor::onSponsorPrivacyClicked,
+                onTopSitesItemBound = {
+                    StartupTimeline.onTopSitesItemBound(activity = composeView.context as HomeActivity)
+                },
             )
         }
     }
diff --git a/app/src/main/java/org/mozilla/fenix/perf/StartupReportFullyDrawn.kt b/app/src/main/java/org/mozilla/fenix/perf/StartupReportFullyDrawn.kt
index 800272b082..66d31d05c6 100644
--- a/app/src/main/java/org/mozilla/fenix/perf/StartupReportFullyDrawn.kt
+++ b/app/src/main/java/org/mozilla/fenix/perf/StartupReportFullyDrawn.kt
@@ -61,6 +61,24 @@ class StartupReportFullyDrawn {
         }
     }
 
+    /**
+     * Instruments "visually complete" cold startup time to homescreen for use with FNPRMS.
+     *
+     * For FNPRMS, we define "visually complete" to be when top sites is loaded with placeholders;
+     * the animation to display top sites will occur after this point, as will the asynchronous
+     * loading of the actual top sites icons. Our focus for visually complete is usability.
+     * There are no tabs available in our FNPRMS tests so they are ignored for this instrumentation.
+     */
+    fun onTopSitesItemBound(state: StartupState, activity: HomeActivity) {
+        if (!isInstrumented &&
+            state is StartupState.Cold && state.destination == HOMESCREEN
+        ) {
+            isInstrumented = true
+
+            attachReportFullyDrawn(activity)
+        }
+    }
+
     private fun attachReportFullyDrawn(activity: Activity, view: View) {
         // For greater accuracy, we could add an onDrawListener instead of a preDrawListener but:
         // - single use onDrawListeners are not built-in and it's non-trivial to write one
@@ -69,4 +87,8 @@ class StartupReportFullyDrawn {
         // should be comparable
         view.doOnPreDraw { activity.reportFullyDrawnSafe(Performance.logger) }
     }
+
+    private fun attachReportFullyDrawn(activity: Activity) {
+        activity.reportFullyDrawnSafe(Performance.logger)
+    }
 }
diff --git a/app/src/main/java/org/mozilla/fenix/perf/StartupTimeline.kt b/app/src/main/java/org/mozilla/fenix/perf/StartupTimeline.kt
index 0c3cd8bb2c..e87e17af86 100644
--- a/app/src/main/java/org/mozilla/fenix/perf/StartupTimeline.kt
+++ b/app/src/main/java/org/mozilla/fenix/perf/StartupTimeline.kt
@@ -54,6 +54,13 @@ object StartupTimeline {
         reportFullyDrawn.onTopSitesItemBound(state, holder)
     }
 
+    /**
+     * Instruments "visually complete" cold startup time to homescreen for use with FNPRMS.
+     */
+    fun onTopSitesItemBound(activity: HomeActivity) {
+        reportFullyDrawn.onTopSitesItemBound(state, activity)
+    }
+
     private fun advanceState(startingActivity: StartupActivity) {
         state = StartupTimelineStateMachine.getNextState(state, startingActivity)
     }