diff --git a/apps/website/src/routes/docs/headless/tooltip/examples/onChange.tsx b/apps/website/src/routes/docs/headless/tooltip/examples/onChange.tsx
new file mode 100644
index 000000000..a701eb20a
--- /dev/null
+++ b/apps/website/src/routes/docs/headless/tooltip/examples/onChange.tsx
@@ -0,0 +1,19 @@
+import { component$, useSignal } from '@builder.io/qwik';
+import { Tooltip } from '@qwik-ui/headless';
+
+export default component$(() => {
+  const tooltipState = useSignal<'open' | 'closed'>('closed');
+
+  return (
+    <>
+      <Tooltip.Root gutter={4} onOpenChange$={(e) => (tooltipState.value = e)} flip>
+        <Tooltip.Trigger>Hover or Focus me</Tooltip.Trigger>
+        <Tooltip.Panel aria-label="Tooltip content">
+          <Tooltip.Arrow width={10} height={5} />
+          Tooltip content here
+        </Tooltip.Panel>
+      </Tooltip.Root>
+      The tooltip is {tooltipState.value}
+    </>
+  );
+});
diff --git a/apps/website/src/routes/docs/headless/tooltip/index.mdx b/apps/website/src/routes/docs/headless/tooltip/index.mdx
index 0bf2b191f..ce01194eb 100644
--- a/apps/website/src/routes/docs/headless/tooltip/index.mdx
+++ b/apps/website/src/routes/docs/headless/tooltip/index.mdx
@@ -199,6 +199,13 @@ CSS from the example:
 
 <CodeSnippet name="transition.css" />
 
+## Events
+
+The tooltip contains a `onOpenChange$` event that runs when the tooltip opens or closes.
+This can be used to trigger additional actions when the tooltip is opened or closed.
+
+<Showcase name="onChange" />
+
 ## Additional References
 
 Qwik UI aims to be in line with the standard whenever possible. Our goal is to empower Qwik developers to create amazing experiences for their users.
@@ -255,6 +262,12 @@ To read more about tooltips you can check it out on:
       type: 'selector',
       description: 'Style the element when the tooltip is open.',
     },
+    {
+      name: 'onOpenChange$',
+      type: 'QRL',
+      description: 'QRL handler that runs when the tooltip opens or closes.',
+      info: 'QRL<(state: "open" | "closed") => void>',
+    },
 
 ]}
 />
diff --git a/packages/kit-headless/src/components/tooltip/tooltip-context.ts b/packages/kit-headless/src/components/tooltip/tooltip-context.ts
index 160aa1d75..fcef105ab 100644
--- a/packages/kit-headless/src/components/tooltip/tooltip-context.ts
+++ b/packages/kit-headless/src/components/tooltip/tooltip-context.ts
@@ -1,4 +1,4 @@
-import { createContextId, Signal } from '@builder.io/qwik';
+import { createContextId, QRL, Signal } from '@builder.io/qwik';
 
 export const TooltipContextId = createContextId<TooltipContext>('Tooltip');
 
@@ -11,6 +11,8 @@ export type TooltipContext = {
   triggerRef: Signal<HTMLButtonElement | undefined>;
 
   state: Signal<TriggerDataState>;
+
+  onOpenChange$: QRL<(state: 'open' | 'closed') => void>;
 };
 
 export type TriggerDataState = 'closing' | 'closed' | 'opening' | 'open';
diff --git a/packages/kit-headless/src/components/tooltip/tooltip-panel.tsx b/packages/kit-headless/src/components/tooltip/tooltip-panel.tsx
index dbbc01d54..898e02c8c 100644
--- a/packages/kit-headless/src/components/tooltip/tooltip-panel.tsx
+++ b/packages/kit-headless/src/components/tooltip/tooltip-panel.tsx
@@ -11,7 +11,12 @@ export const HTooltipPanel = component$((props: HTooltipPanelProps) => {
   const context = useContext(TooltipContextId);
 
   return (
-    <HPopoverPanel {...props} role="tooltip" id={context.localId}>
+    <HPopoverPanel
+      {...props}
+      role="tooltip"
+      onToggle$={(e) => context.onOpenChange$(e.newState)}
+      id={context.localId}
+    >
       <Slot />
     </HPopoverPanel>
   );
diff --git a/packages/kit-headless/src/components/tooltip/tooltip-root.tsx b/packages/kit-headless/src/components/tooltip/tooltip-root.tsx
index b3affacce..c3b74809b 100644
--- a/packages/kit-headless/src/components/tooltip/tooltip-root.tsx
+++ b/packages/kit-headless/src/components/tooltip/tooltip-root.tsx
@@ -7,6 +7,7 @@ import {
   useContextProvider,
   useId,
   useSignal,
+  $,
 } from '@builder.io/qwik';
 import { FloatingProps, HPopoverRoot } from '../popover/popover-root';
 import { TooltipContext, TooltipContextId, TriggerDataState } from './tooltip-context';
@@ -27,7 +28,7 @@ export type TooltipRootProps = {
    * QRL handler that runs when the tooltip opens or closes.
    * @param open The new state of the tooltip.
    */
-  onOpenChange$?: QRL<(state: TriggerDataState) => void>;
+  onOpenChange$?: QRL<(state: 'open' | 'closed') => void>;
 
   /**
    * A value that determines how long before the tooltip will
@@ -58,7 +59,7 @@ export const HTooltipRoot = component$((props: TooltipProps) => {
     gutter,
     delayDuration = 0,
     flip,
-    onOpenChange$: _,
+    onOpenChange$,
     ...rest
   } = props;
 
@@ -74,6 +75,7 @@ export const HTooltipRoot = component$((props: TooltipProps) => {
     triggerRef,
     delayDuration,
     state: tooltipState,
+    onOpenChange$: $((e) => onOpenChange$?.(e)),
   };
 
   useContextProvider(TooltipContextId, context);
diff --git a/packages/kit-headless/src/components/tooltip/tooltip.driver.ts b/packages/kit-headless/src/components/tooltip/tooltip.driver.ts
index 4c753a3d2..705cdbabd 100644
--- a/packages/kit-headless/src/components/tooltip/tooltip.driver.ts
+++ b/packages/kit-headless/src/components/tooltip/tooltip.driver.ts
@@ -51,6 +51,10 @@ export function createTooltipDriver<T extends DriverLocator>(rootLocator: T) {
     return getTrigger().all();
   };
 
+  const getOnChangeVerificationText = (state: 'open' | 'closed') => {
+    return rootLocator.getByText(`The tooltip is ${state}`);
+  };
+
   const getProgrammaticButtonTrigger = () => {
     return rootLocator.locator('button');
   };
@@ -65,5 +69,6 @@ export function createTooltipDriver<T extends DriverLocator>(rootLocator: T) {
     openTooltip,
     getProgrammaticButtonTrigger,
     getTooltipByTextContent,
+    getOnChangeVerificationText,
   };
 }
diff --git a/packages/kit-headless/src/components/tooltip/tooltip.test.ts b/packages/kit-headless/src/components/tooltip/tooltip.test.ts
index b7b49dc95..5c10c1b0e 100644
--- a/packages/kit-headless/src/components/tooltip/tooltip.test.ts
+++ b/packages/kit-headless/src/components/tooltip/tooltip.test.ts
@@ -221,3 +221,20 @@ test.describe('Tooltip Animations', () => {
     await expect(tooltip).toBeHidden();
   });
 });
+
+test.describe('Tooltip Events', () => {
+  test(`GIVEN a tooltip with opOpenChange configured
+        WHEN hovering over the trigger
+        THEN the text should say "The tooltip is open"`, async ({ page }) => {
+    const { driver: d } = await setup(page, 'onChange');
+    const tooltip = d.getTooltip();
+    const trigger = d.getTrigger();
+
+    expect(d.getOnChangeVerificationText('closed')).toBeVisible();
+
+    await trigger.hover();
+    await expect(tooltip).toBeVisible();
+
+    expect(d.getOnChangeVerificationText('open')).toBeVisible();
+  });
+});