diff --git a/src/components/dms/ActionsWrapper.tsx b/src/components/dms/ActionsWrapper.tsx
index 1e4b40206e..bc0505cda5 100644
--- a/src/components/dms/ActionsWrapper.tsx
+++ b/src/components/dms/ActionsWrapper.tsx
@@ -4,23 +4,29 @@ import {useLingui} from '@lingui/react/macro'
 
 import {atoms as a} from '#/alf'
 import {MessageContextMenu} from '#/components/dms/MessageContextMenu'
+import type * as bsky from '#/types/bsky'
 
 export function ActionsWrapper({
   message,
   isFromSelf,
+  senderProfile,
   children,
   onTap,
 }: {
   message: ChatBskyConvoDefs.MessageView
   hasReactions?: boolean
   isFromSelf: boolean
+  senderProfile?: bsky.profile.AnyProfileView
   children: React.ReactNode
   onTap?: () => void
 }) {
   const {t: l} = useLingui()
 
   return (
-    <MessageContextMenu message={message} onTap={onTap}>
+    <MessageContextMenu
+      message={message}
+      senderProfile={senderProfile}
+      onTap={onTap}>
       {trigger =>
         // will always be true, since this file is platform split
         trigger.IS_NATIVE && (
diff --git a/src/components/dms/ActionsWrapper.web.tsx b/src/components/dms/ActionsWrapper.web.tsx
index 05df7b0324..12ccea03ab 100644
--- a/src/components/dms/ActionsWrapper.web.tsx
+++ b/src/components/dms/ActionsWrapper.web.tsx
@@ -10,6 +10,7 @@ import {MessageContextMenu} from '#/components/dms/MessageContextMenu'
 import {DotGrid3x1_Stroke2_Corner0_Rounded as DotsHorizontalIcon} from '#/components/icons/DotGrid'
 import {EmojiSmile_Stroke2_Corner0_Rounded as EmojiSmileIcon} from '#/components/icons/Emoji'
 import * as Toast from '#/components/Toast'
+import type * as bsky from '#/types/bsky'
 import {EmojiReactionPicker} from './EmojiReactionPicker'
 import {hasReachedReactionLimit} from './util'
 
@@ -17,12 +18,14 @@ export function ActionsWrapper({
   message,
   hasReactions,
   isFromSelf,
+  senderProfile,
   children,
   onTap,
 }: {
   message: ChatBskyConvoDefs.MessageView
   hasReactions?: boolean
   isFromSelf: boolean
+  senderProfile?: bsky.profile.AnyProfileView
   children: React.ReactNode
   onTap?: () => void
 }) {
@@ -114,7 +117,7 @@ export function ActionsWrapper({
             )
           }}
         </EmojiReactionPicker>
-        <MessageContextMenu message={message}>
+        <MessageContextMenu message={message} senderProfile={senderProfile}>
           {({props, state, IS_NATIVE, control}) => {
             // always false, file is platform split
             if (IS_NATIVE) return null
diff --git a/src/components/dms/MessageContextMenu.tsx b/src/components/dms/MessageContextMenu.tsx
index 9ab4521f2f..bc18eae21a 100644
--- a/src/components/dms/MessageContextMenu.tsx
+++ b/src/components/dms/MessageContextMenu.tsx
@@ -25,15 +25,18 @@ import {usePromptControl} from '#/components/Prompt'
 import * as Toast from '#/components/Toast'
 import {useAnalytics} from '#/analytics'
 import {IS_NATIVE} from '#/env'
+import type * as bsky from '#/types/bsky'
 import {EmojiReactionPicker} from './EmojiReactionPicker'
 import {hasReachedReactionLimit} from './util'
 
 export let MessageContextMenu = ({
   message,
+  senderProfile,
   children,
   onTap,
 }: {
   message: ChatBskyConvoDefs.MessageView
+  senderProfile?: bsky.profile.AnyProfileView
   children: TriggerProps['children']
   onTap?: () => void
 }): React.ReactNode => {
@@ -110,9 +113,7 @@ export let MessageContextMenu = ({
     [l, convo, message, currentAccount?.did],
   )
 
-  const sender = convo.convo.members.find(
-    member => member.did === message.sender.did,
-  )
+  const sender = senderProfile
 
   return (
     <>
diff --git a/src/components/dms/MessageItem.tsx b/src/components/dms/MessageItem.tsx
index 638f163d92..7628354af8 100644
--- a/src/components/dms/MessageItem.tsx
+++ b/src/components/dms/MessageItem.tsx
@@ -30,7 +30,6 @@ import {useQueryClient} from '@tanstack/react-query'
 
 import {createSanitizedDisplayName} from '#/lib/moderation/create-sanitized-display-name'
 import {makeProfileLink} from '#/lib/routes/links'
-import {useConvoActive} from '#/state/messages/convo'
 import {type ConvoItem} from '#/state/messages/convo/types'
 import {useModerationOpts} from '#/state/preferences/moderation-opts'
 import {unstableCacheProfileView} from '#/state/queries/unstable-profile-cache'
@@ -43,7 +42,6 @@ import {InlineLinkText, Link} from '#/components/Link'
 import * as ProfileCard from '#/components/ProfileCard'
 import {RichText} from '#/components/RichText'
 import {Text} from '#/components/Typography'
-import type * as bsky from '#/types/bsky'
 import {DateDivider} from './DateDivider'
 import {useDateDividerToggle} from './DateDividerToggle'
 import {MessageItemEmbed} from './MessageItemEmbed'
@@ -93,19 +91,20 @@ function isWithinClusterBoundary({
 let MessageItem = ({
   item,
   isGroupChat = false,
-  profile,
 }: {
   item: ConvoItem & {type: 'message' | 'pending-message'}
   isGroupChat?: boolean
-  profile?: bsky.profile.AnyProfileView
 }): React.ReactNode => {
   const t = useTheme()
   const {currentAccount} = useSession()
   const {t: l} = useLingui()
-  const {convo} = useConvoActive()
   const moderationOpts = useModerationOpts()
   const queryClient = useQueryClient()
 
+  const profile = item.relatedProfiles.find(
+    p => p.did === item.message.sender.did,
+  )
+
   const reactionsControl = useDialogControl()
   const reactionTapRef = useRef(false)
 
@@ -277,9 +276,7 @@ let MessageItem = ({
         return l`You reacted ${reaction.value}`
       } else {
         const senderDid = reaction.sender.did
-        const memberSender = convo.members.find(
-          member => member.did === senderDid,
-        )
+        const memberSender = item.relatedProfiles.find(p => p.did === senderDid)
         if (memberSender) {
           return l`${createSanitizedDisplayName(memberSender)} reacted ${reaction.value}`
         }
@@ -290,7 +287,13 @@ let MessageItem = ({
       one: '# person',
       other: '# people',
     })} reacted – ${groupedReactions.map(g => g.value).join(' ')}`
-  }, [reactions, groupedReactions, currentAccount?.did, convo.members, l])
+  }, [
+    reactions,
+    groupedReactions,
+    currentAccount?.did,
+    item.relatedProfiles,
+    l,
+  ])
 
   const appliedReactions = (
     <LayoutAnimationConfig skipEntering skipExiting>
@@ -375,7 +378,7 @@ let MessageItem = ({
       ) : null}
       <ReactionsDialog
         control={reactionsControl}
-        members={convo.members}
+        members={item.relatedProfiles}
         message={message}
         reactions={message.reactions}
         groupedReactions={groupedReactions}
@@ -436,6 +439,7 @@ let MessageItem = ({
               hasReactions={hasReactions}
               isFromSelf={isFromSelf}
               message={message}
+              senderProfile={profile}
               onTap={() => {
                 if (reactionTapRef.current) return
                 if (!hasLargeGapFromPrev) {
diff --git a/src/components/dms/getSystemMessageInfo.ts b/src/components/dms/getSystemMessageInfo.ts
index f811e2b92c..3c2c4327fe 100644
--- a/src/components/dms/getSystemMessageInfo.ts
+++ b/src/components/dms/getSystemMessageInfo.ts
@@ -1,4 +1,4 @@
-import {type ChatBskyActorDefs, ChatBskyConvoDefs} from '@atproto/api'
+import {ChatBskyConvoDefs} from '@atproto/api'
 import {type MessageDescriptor} from '@lingui/core'
 import {msg} from '@lingui/core/macro'
 
@@ -15,6 +15,7 @@ import {
   Unlock_Stroke2_Corner2_Rounded as UnlockIcon,
 } from '#/components/icons/Lock'
 import {PencilLine_Stroke2_Corner0_Rounded as PencilIcon} from '#/components/icons/Pencil'
+import type * as bsky from '#/types/bsky'
 
 export type SystemMessageInfo = {
   message: MessageDescriptor
@@ -23,7 +24,7 @@ export type SystemMessageInfo = {
 
 function getReferredDisplayName(
   user: ChatBskyConvoDefs.SystemMessageReferredUser,
-  relatedProfiles: ChatBskyActorDefs.ProfileViewBasic[],
+  relatedProfiles: bsky.profile.AnyProfileView[],
 ): string | null {
   const profile = relatedProfiles.find(p => p.did === user.did)
   return profile ? createSanitizedDisplayName(profile) : null
@@ -31,7 +32,7 @@ function getReferredDisplayName(
 
 export function getSystemMessageInfo(
   data: ChatBskyConvoDefs.SystemMessageView['data'],
-  relatedProfiles: ChatBskyActorDefs.ProfileViewBasic[],
+  relatedProfiles: bsky.profile.AnyProfileView[],
 ): SystemMessageInfo | null {
   if (ChatBskyConvoDefs.isSystemMessageDataAddMember(data)) {
     const name = getReferredDisplayName(data.member, relatedProfiles)
diff --git a/src/screens/Messages/components/MessagesList.tsx b/src/screens/Messages/components/MessagesList.tsx
index f52dd708f1..e8263e423d 100644
--- a/src/screens/Messages/components/MessagesList.tsx
+++ b/src/screens/Messages/components/MessagesList.tsx
@@ -374,9 +374,6 @@ export function MessagesList({
       return (
         <MessageItem
           item={item}
-          profile={convoState.convo.members.find(
-            member => member.did === item.message.sender.did,
-          )}
           isGroupChat={convoState.convo.kind === 'group'}
         />
       )
diff --git a/src/state/messages/convo/agent.ts b/src/state/messages/convo/agent.ts
index 749131864f..28220b6f72 100644
--- a/src/state/messages/convo/agent.ts
+++ b/src/state/messages/convo/agent.ts
@@ -43,6 +43,7 @@ import {
   parseConvoView,
 } from '#/components/dms/util'
 import {IS_NATIVE} from '#/env'
+import type * as bsky from '#/types/bsky'
 
 const logger = Logger.create(Logger.Context.ConversationAgent)
 
@@ -107,10 +108,7 @@ export class Convo {
     {id: string; message: ChatBskyConvoSendMessage.InputSchema['message']}
   > = new Map()
   private deletedMessages: Set<string> = new Set()
-  private systemMessageProfiles: Map<
-    string,
-    ChatBskyActorDefs.ProfileViewBasic
-  > = new Map()
+  private relatedProfiles: Map<string, bsky.profile.AnyProfileView> = new Map()
 
   private isProcessingPendingMessages = false
 
@@ -483,7 +481,7 @@ export class Convo {
     this.newMessages = new Map()
     this.pendingMessages = new Map()
     this.deletedMessages = new Set()
-    this.systemMessageProfiles = new Map()
+    this.relatedProfiles = new Map()
 
     this.pendingMessageFailure = null
     this.fetchMessageHistoryError = undefined
@@ -510,6 +508,11 @@ export class Convo {
 
   private setConvo(convo: ChatBskyConvoDefs.ConvoView) {
     this.convo = parseConvoView(convo, this.senderUserDid) ?? this.convo
+    if (this.convo) {
+      for (const member of this.convo.members) {
+        this.relatedProfiles.set(member.did, member)
+      }
+    }
   }
 
   private updateConvo(convo: Partial<ChatBskyConvoDefs.ConvoView>) {
@@ -517,6 +520,9 @@ export class Convo {
       this.convo =
         parseConvoView({...this.convo.view, ...convo}, this.senderUserDid) ??
         this.convo
+      for (const member of this.convo.members) {
+        this.relatedProfiles.set(member.did, member)
+      }
     }
   }
 
@@ -704,7 +710,7 @@ export class Convo {
 
       if (relatedProfiles) {
         for (const profile of relatedProfiles) {
-          this.systemMessageProfiles.set(profile.did, profile)
+          this.relatedProfiles.set(profile.did, profile)
         }
       }
 
@@ -824,6 +830,12 @@ export class Convo {
            */
           this.latestRev = ev.rev
 
+          if ('relatedProfiles' in ev && Array.isArray(ev.relatedProfiles)) {
+            for (const profile of ev.relatedProfiles) {
+              this.relatedProfiles.set(profile.did, profile)
+            }
+          }
+
           if (
             ChatBskyConvoDefs.isLogCreateMessage(ev) &&
             ChatBskyConvoDefs.isMessageView(ev.message)
@@ -876,14 +888,6 @@ export class Convo {
             const systemView = toSystemMessageView(ev)
             if (systemView) {
               this.newMessages.set(systemView.id, systemView)
-              if (
-                'relatedProfiles' in ev &&
-                Array.isArray(ev.relatedProfiles)
-              ) {
-                for (const profile of ev.relatedProfiles) {
-                  this.systemMessageProfiles.set(profile.did, profile)
-                }
-              }
               needsCommit = true
             }
           }
@@ -1168,6 +1172,44 @@ export class Convo {
     }
   }
 
+  private getRelatedProfilesForItem(
+    m:
+      | ChatBskyConvoDefs.MessageView
+      | ChatBskyConvoDefs.DeletedMessageView
+      | ChatBskyConvoDefs.SystemMessageView,
+  ): bsky.profile.AnyProfileView[] {
+    const seen = new Set<string>()
+    const profiles: bsky.profile.AnyProfileView[] = []
+
+    const add = (did: string) => {
+      if (seen.has(did)) return
+      seen.add(did)
+      const p = this.relatedProfiles.get(did)
+      if (p) profiles.push(p)
+    }
+
+    if (ChatBskyConvoDefs.isMessageView(m)) {
+      add(m.sender.did)
+      if (m.reactions) {
+        for (const reaction of m.reactions) {
+          add(reaction.sender.did)
+        }
+      }
+    } else if (ChatBskyConvoDefs.isDeletedMessageView(m)) {
+      add(m.sender.did)
+    } else if (ChatBskyConvoDefs.isSystemMessageView(m)) {
+      const data = m.data
+      if ('member' in data && data.member?.did) {
+        add(data.member.did)
+      }
+      if ('addedBy' in data && data.addedBy?.did) {
+        add(data.addedBy.did)
+      }
+    }
+
+    return profiles
+  }
+
   /*
    * Items in reverse order, since FlatList inverts
    */
@@ -1180,6 +1222,7 @@ export class Convo {
           type: 'message',
           key: m.id,
           message: m,
+          relatedProfiles: this.getRelatedProfilesForItem(m),
           nextMessage: null,
           prevMessage: null,
         })
@@ -1188,6 +1231,7 @@ export class Convo {
           type: 'deleted-message',
           key: m.id,
           message: m,
+          relatedProfiles: this.getRelatedProfilesForItem(m),
           nextMessage: null,
           prevMessage: null,
         })
@@ -1196,7 +1240,7 @@ export class Convo {
           type: 'system-message',
           key: m.id,
           message: m,
-          relatedProfiles: Array.from(this.systemMessageProfiles.values()),
+          relatedProfiles: this.getRelatedProfilesForItem(m),
         })
       }
     })
@@ -1218,6 +1262,7 @@ export class Convo {
           type: 'message',
           key: m.id,
           message: m,
+          relatedProfiles: this.getRelatedProfilesForItem(m),
           nextMessage: null,
           prevMessage: null,
         })
@@ -1226,6 +1271,7 @@ export class Convo {
           type: 'deleted-message',
           key: m.id,
           message: m,
+          relatedProfiles: this.getRelatedProfilesForItem(m),
           nextMessage: null,
           prevMessage: null,
         })
@@ -1234,12 +1280,13 @@ export class Convo {
           type: 'system-message',
           key: m.id,
           message: m,
-          relatedProfiles: Array.from(this.systemMessageProfiles.values()),
+          relatedProfiles: this.getRelatedProfilesForItem(m),
         })
       }
     })
 
     this.pendingMessages.forEach(m => {
+      const senderProfile = this.relatedProfiles.get(this.senderUserDid)
       items.push({
         type: 'pending-message',
         key: m.id,
@@ -1255,6 +1302,7 @@ export class Convo {
             did: this.senderUserDid,
           },
         },
+        relatedProfiles: senderProfile ? [senderProfile] : [],
         nextMessage: null,
         prevMessage: null,
         failed: this.pendingMessageFailure !== null,
diff --git a/src/state/messages/convo/types.ts b/src/state/messages/convo/types.ts
index 9be32ff5de..8b25cdeab6 100644
--- a/src/state/messages/convo/types.ts
+++ b/src/state/messages/convo/types.ts
@@ -1,12 +1,12 @@
 import {
   type BskyAgent,
-  type ChatBskyActorDefs,
   type ChatBskyConvoDefs,
   type ChatBskyConvoSendMessage,
 } from '@atproto/api'
 
 import {type MessagesEventBus} from '#/state/messages/events/agent'
 import {type ConvoWithDetails} from '#/components/dms/util'
+import type * as bsky from '#/types/bsky'
 
 export type ConvoParams = {
   convoId: string
@@ -87,6 +87,7 @@ export type ConvoItem =
       type: 'message'
       key: string
       message: ChatBskyConvoDefs.MessageView
+      relatedProfiles: bsky.profile.AnyProfileView[]
       nextMessage:
         | ChatBskyConvoDefs.MessageView
         | ChatBskyConvoDefs.DeletedMessageView
@@ -100,6 +101,7 @@ export type ConvoItem =
       type: 'pending-message'
       key: string
       message: ChatBskyConvoDefs.MessageView
+      relatedProfiles: bsky.profile.AnyProfileView[]
       nextMessage:
         | ChatBskyConvoDefs.MessageView
         | ChatBskyConvoDefs.DeletedMessageView
@@ -118,6 +120,7 @@ export type ConvoItem =
       type: 'deleted-message'
       key: string
       message: ChatBskyConvoDefs.DeletedMessageView
+      relatedProfiles: bsky.profile.AnyProfileView[]
       nextMessage:
         | ChatBskyConvoDefs.MessageView
         | ChatBskyConvoDefs.DeletedMessageView
@@ -131,7 +134,7 @@ export type ConvoItem =
       type: 'system-message'
       key: string
       message: ChatBskyConvoDefs.SystemMessageView
-      relatedProfiles: ChatBskyActorDefs.ProfileViewBasic[]
+      relatedProfiles: bsky.profile.AnyProfileView[]
     }
   | {
       type: 'error'