diff --git a/web/components/contract/contracts-list.tsx b/web/components/contract/contracts-list.tsx
index f886e982..608462d9 100644
--- a/web/components/contract/contracts-list.tsx
+++ b/web/components/contract/contracts-list.tsx
@@ -19,7 +19,6 @@ export function ContractsGrid(props: {
   const isBottomVisible = useIsVisible(elem)
 
   useEffect(() => {
-    console.log({ isBottomVisible, hasMore })
     if (isBottomVisible) {
       loadMore()
     }
diff --git a/web/components/nav/nav-bar.tsx b/web/components/nav/nav-bar.tsx
index 04c8e891..987e3142 100644
--- a/web/components/nav/nav-bar.tsx
+++ b/web/components/nav/nav-bar.tsx
@@ -47,7 +47,7 @@ export function BottomNavBar() {
       )}
 
       {user !== null && (
-        <Link href="/portfolio">
+        <Link href={`${user}/bets`}>
           <a className="block w-full py-1 px-3 text-center hover:bg-indigo-200 hover:text-indigo-700">
             <PresentationChartLineIcon
               className="my-1 mx-auto h-6 w-6"
diff --git a/web/components/nav/sidebar.tsx b/web/components/nav/sidebar.tsx
index 8454aeeb..9928b984 100644
--- a/web/components/nav/sidebar.tsx
+++ b/web/components/nav/sidebar.tsx
@@ -28,12 +28,18 @@ function IconFromUrl(url: string): React.ComponentType<{ className?: string }> {
   }
 }
 
-const navigation = [
-  { name: 'Home', href: '/home', icon: HomeIcon },
-  { name: 'Activity', href: '/activity', icon: ChatAltIcon },
-  { name: 'Portfolio', href: '/portfolio', icon: PresentationChartLineIcon },
-  { name: 'Charity', href: '/charity', icon: HeartIcon },
-]
+function getNavigation(userName: string) {
+  return [
+    { name: 'Home', href: '/home', icon: HomeIcon },
+    { name: 'Activity', href: '/activity', icon: ChatAltIcon },
+    {
+      name: 'Portfolio',
+      href: `/${userName}/bets`,
+      icon: PresentationChartLineIcon,
+    },
+    { name: 'Charity', href: '/charity', icon: HeartIcon },
+  ]
+}
 
 const signedOutNavigation = [
   { name: 'Home', href: '/home', icon: HomeIcon },
@@ -119,7 +125,8 @@ export default function Sidebar(props: { className?: string }) {
   folds = _.sortBy(folds, 'followCount').reverse()
   const deservesDailyFreeMarket = !useHasCreatedContractToday(user)
 
-  const navigationOptions = user === null ? signedOutNavigation : navigation
+  const navigationOptions =
+    user === null ? signedOutNavigation : getNavigation(user?.name || 'error')
   const mobileNavigationOptions =
     user === null ? signedOutMobileNavigation : mobileNavigation
 
diff --git a/web/components/user-page.tsx b/web/components/user-page.tsx
index 89750b28..9f78165c 100644
--- a/web/components/user-page.tsx
+++ b/web/components/user-page.tsx
@@ -21,6 +21,9 @@ import { getContractFromId, listContracts } from 'web/lib/firebase/contracts'
 import { LoadingIndicator } from './loading-indicator'
 import { useRouter } from 'next/router'
 import _ from 'lodash'
+import { BetsList } from './bets-list'
+import { Bet } from 'common/bet'
+import { getUserBets } from 'web/lib/firebase/bets'
 
 export function UserLink(props: {
   name: string
@@ -38,12 +41,13 @@ export function UserLink(props: {
   )
 }
 
+export const TAB_IDS = ['markets', 'comments', 'bets']
+
 export function UserPage(props: {
   user: User
   currentUser?: User
-  defaultTabTitle?: string
+  defaultTabTitle?: 'markets' | 'comments' | 'bets'
 }) {
-  const router = useRouter()
   const { user, currentUser, defaultTabTitle } = props
   const isCurrentUser = user.id === currentUser?.id
   const bannerUrl = user.bannerUrl ?? defaultBannerUrl(user.id)
@@ -51,6 +55,7 @@ export function UserPage(props: {
   const [usersContracts, setUsersContracts] = useState<Contract[] | 'loading'>(
     'loading'
   )
+  const [usersBets, setUsersBets] = useState<Bet[] | 'loading'>('loading')
   const [commentsByContract, setCommentsByContract] = useState<
     Map<Contract, Comment[]> | 'loading'
   >('loading')
@@ -59,6 +64,7 @@ export function UserPage(props: {
     if (!user) return
     getUsersComments(user.id).then(setUsersComments)
     listContracts(user.id).then(setUsersContracts)
+    getUserBets(user.id).then(setUsersBets)
   }, [user])
 
   useEffect(() => {
@@ -187,17 +193,14 @@ export function UserPage(props: {
         {usersContracts !== 'loading' && commentsByContract != 'loading' ? (
           <Tabs
             className={'pb-2 pt-1 '}
-            defaultIndex={defaultTabTitle === 'Comments' ? 1 : 0}
-            onClick={(tabName) =>
-              router.push(
-                {
-                  pathname: `/${user.username}`,
-                  query: { tab: tabName },
-                },
-                undefined,
-                { shallow: true }
-              )
-            }
+            defaultIndex={TAB_IDS.indexOf(defaultTabTitle || 'markets')}
+            onClick={(tabName) => {
+              const tabId = tabName.toLowerCase()
+              const subpath = tabId === 'markets' ? '' : '/' + tabId
+              // BUG: if you start on `/Bob/bets`, then click on Markets, use-query-and-sort-params
+              // rewrites the url incorrectly to `/Bob/bets` instead of `/Bob`
+              window.history.replaceState('', '', `/${user.username}${subpath}`)
+            }}
             tabs={[
               {
                 title: 'Markets',
@@ -220,6 +223,24 @@ export function UserPage(props: {
                   <div className="px-0.5 font-bold">{usersComments.length}</div>
                 ),
               },
+              {
+                title: 'Bets',
+                content: (
+                  <div>
+                    <AlertBox
+                      title="Bets are becoming publicly visible on 2022-06-01"
+                      text="Bettor identities have always been traceable through the Manifold API.
+                      However, our interface implied that they were private.
+                      As we develop new features such as leaderboards and bet history, it won't be technically feasible to keep this info private.
+                      For more context, or if you'd like to wipe your bet history, see: https://manifold.markets/Austin/will-all-bets-on-manifold-be-public"
+                    />
+                    {isCurrentUser && <BetsList user={user} />}
+                  </div>
+                ),
+                tabIcon: (
+                  <div className="px-0.5 font-bold">{usersBets.length}</div>
+                ),
+              },
             ]}
           />
         ) : (
@@ -242,3 +263,27 @@ export function defaultBannerUrl(userId: string) {
   ]
   return defaultBanner[genHash(userId)() % defaultBanner.length]
 }
+
+import { ExclamationIcon } from '@heroicons/react/solid'
+
+function AlertBox(props: { title: string; text: string }) {
+  const { title, text } = props
+  return (
+    <div className="rounded-md bg-yellow-50 p-4">
+      <div className="flex">
+        <div className="flex-shrink-0">
+          <ExclamationIcon
+            className="h-5 w-5 text-yellow-400"
+            aria-hidden="true"
+          />
+        </div>
+        <div className="ml-3">
+          <h3 className="text-sm font-medium text-yellow-800">{title}</h3>
+          <div className="mt-2 text-sm text-yellow-700">
+            <Linkify text={text} />
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}
diff --git a/web/hooks/use-sort-and-query-params.tsx b/web/hooks/use-sort-and-query-params.tsx
index 7a9abb85..776bcd4d 100644
--- a/web/hooks/use-sort-and-query-params.tsx
+++ b/web/hooks/use-sort-and-query-params.tsx
@@ -47,7 +47,6 @@ export function useInitialQueryAndSort(options?: {
         }
         setInitialSort(localSort ?? defaultSort)
       } else {
-        console.log('ready setting to ', sort ?? defaultSort)
         setInitialSort(sort ?? defaultSort)
       }
     }
diff --git a/web/lib/firebase/bets.ts b/web/lib/firebase/bets.ts
index b55b0027..c3ca8508 100644
--- a/web/lib/firebase/bets.ts
+++ b/web/lib/firebase/bets.ts
@@ -60,6 +60,12 @@ export function listenForBets(
   })
 }
 
+export async function getUserBets(userId: string) {
+  return getValues<Bet>(
+    query(collectionGroup(db, 'bets'), where('userId', '==', userId))
+  )
+}
+
 export function listenForUserBets(
   userId: string,
   setBets: (bets: Bet[]) => void
diff --git a/web/pages/[username]/bets.tsx b/web/pages/[username]/bets.tsx
new file mode 100644
index 00000000..0403d263
--- /dev/null
+++ b/web/pages/[username]/bets.tsx
@@ -0,0 +1,5 @@
+import UserProfile from '.'
+
+export default function UserBets() {
+  return <UserProfile tab="bets" />
+}
diff --git a/web/pages/[username]/comments.tsx b/web/pages/[username]/comments.tsx
new file mode 100644
index 00000000..65a53028
--- /dev/null
+++ b/web/pages/[username]/comments.tsx
@@ -0,0 +1,5 @@
+import UserProfile from '.'
+
+export default function UserBets() {
+  return <UserProfile tab="comments" />
+}
diff --git a/web/pages/[username]/index.tsx b/web/pages/[username]/index.tsx
index cbc53235..eaef8471 100644
--- a/web/pages/[username]/index.tsx
+++ b/web/pages/[username]/index.tsx
@@ -6,10 +6,12 @@ import { UserPage } from 'web/components/user-page'
 import { useUser } from 'web/hooks/use-user'
 import Custom404 from '../404'
 
-export default function UserProfile() {
+export default function UserProfile(props: {
+  tab?: 'markets' | 'comments' | 'bets'
+}) {
   const router = useRouter()
   const [user, setUser] = useState<User | null | 'loading'>('loading')
-  const { username, tab } = router.query as { username: string; tab: string }
+  const { username } = router.query as { username: string }
   useEffect(() => {
     if (username) {
       getUserByUsername(username).then(setUser)
@@ -24,7 +26,7 @@ export default function UserProfile() {
     <UserPage
       user={user}
       currentUser={currentUser || undefined}
-      defaultTabTitle={tab}
+      defaultTabTitle={props.tab}
     />
   ) : (
     <Custom404 />