diff --git a/controller/matrix/MatrixController.js b/controller/matrix/MatrixController.js
index 2525f6a..b07bfd3 100644
--- a/controller/matrix/MatrixController.js
+++ b/controller/matrix/MatrixController.js
@@ -159,6 +159,44 @@ async function activate(req, res) {
   }
 }
 
+// NEW: list all matrices current user belongs to
+async function listMyMatrices(req, res) {
+  try {
+    const userId = req.user?.id ?? req.user?.userId;
+    const data = await MatrixService.listMyMatrices({ userId, actorUser: req.user });
+    return res.json({ success: true, data });
+  } catch (err) {
+    const status = err.status || 500;
+    return res.status(status).json({ success: false, message: err.message || 'Could not load matrices' });
+  }
+}
+
+// NEW: personal overview for a specific matrix instance
+async function getMyOverviewByInstance(req, res) {
+  try {
+    const userId = req.user?.id ?? req.user?.userId;
+    const matrixInstanceId = req.params.id || req.query?.matrixInstanceId || req.query?.matrixId;
+    const data = await MatrixService.getMyOverviewByInstance({ userId, matrixInstanceId, actorUser: req.user });
+    return res.json({ success: true, data });
+  } catch (err) {
+    const status = err.status || 500;
+    return res.status(status).json({ success: false, message: err.message || 'Could not load matrix overview' });
+  }
+}
+
+// NEW: personal matrix summary (totals and fill) for a specific instance
+async function getMyMatrixSummary(req, res) {
+  try {
+    const userId = req.user?.id ?? req.user?.userId;
+    const matrixInstanceId = req.params.id || req.query?.matrixInstanceId || req.query?.matrixId;
+    const data = await MatrixService.getMyMatrixSummary({ userId, matrixInstanceId, actorUser: req.user });
+    return res.json({ success: true, data });
+  } catch (err) {
+    const status = err.status || 500;
+    return res.status(status).json({ success: false, message: err.message || 'Could not load matrix summary' });
+  }
+}
+
 module.exports = {
   create,
   stats,
@@ -167,5 +205,8 @@ module.exports = {
   addUser, // NEW
   getMyOverview, // NEW
   deactivate, // NEW
-  activate // NEW
+  activate, // NEW
+  listMyMatrices, // NEW
+  getMyOverviewByInstance, // NEW
+  getMyMatrixSummary // NEW
 };
diff --git a/repositories/matrix/MatrixRepository.js b/repositories/matrix/MatrixRepository.js
index 22fbfd4..4eea9c3 100644
--- a/repositories/matrix/MatrixRepository.js
+++ b/repositories/matrix/MatrixRepository.js
@@ -812,6 +812,46 @@ async function getInstanceInfo(instanceId) {
   }
 }
 
+// NEW: list distinct matrix instances a user belongs to
+async function listInstancesForUser(userId) {
+  const conn = await pool.getConnection();
+  try {
+    const [rows] = await conn.query(
+      `
+      SELECT DISTINCT mi.id AS id, mi.name
+      FROM matrix_instances mi
+      JOIN user_tree_closure c
+        ON c.matrix_instance_id = mi.id
+      WHERE c.descendant_user_id = ?
+      ORDER BY mi.id ASC
+      `,
+      [Number(userId)]
+    );
+    return rows.map(r => ({ id: Number(r.id), name: r.name || null }));
+  } finally {
+    conn.release();
+  }
+}
+
+// NEW: check if user belongs to a specific instance
+async function userBelongsToInstance(userId, instanceId) {
+  const conn = await pool.getConnection();
+  try {
+    const [rows] = await conn.query(
+      `
+      SELECT 1
+      FROM user_tree_closure
+      WHERE matrix_instance_id = ? AND descendant_user_id = ?
+      LIMIT 1
+      `,
+      [Number(instanceId), Number(userId)]
+    );
+    return rows.length > 0;
+  } finally {
+    conn.release();
+  }
+}
+
 // NEW: deactivate a matrix instance by id (idempotent)
 async function deactivateInstance(instanceId) {
   const conn = await pool.getConnection();
@@ -940,5 +980,7 @@ module.exports = {
   resolveInstanceForUser, // NEW
   getInstanceInfo, // NEW
   deactivateInstance, // NEW
-  activateInstance // NEW
+  activateInstance, // NEW
+  listInstancesForUser, // NEW
+  userBelongsToInstance // NEW
 };
diff --git a/routes/getRoutes.js b/routes/getRoutes.js
index a58b7e8..b127397 100644
--- a/routes/getRoutes.js
+++ b/routes/getRoutes.js
@@ -125,5 +125,11 @@ router.post('/admin/matrix/add-user', authMiddleware, adminOnly, MatrixControlle
 // NEW: Admin list pools
 router.get('/admin/pools', authMiddleware, adminOnly, PoolController.list);
 
+// NEW: User matrices list and per-instance overview
+router.get('/matrix/me/list', authMiddleware, MatrixController.listMyMatrices);
+router.get('/matrix/:id/overview', authMiddleware, MatrixController.getMyOverviewByInstance);
+// NEW: User matrix summary (totals and fill)
+router.get('/matrix/:id/summary', authMiddleware, MatrixController.getMyMatrixSummary);
+
 // export
 module.exports = router;
\ No newline at end of file
diff --git a/services/matrix/MatrixService.js b/services/matrix/MatrixService.js
index 39ada8f..961e001 100644
--- a/services/matrix/MatrixService.js
+++ b/services/matrix/MatrixService.js
@@ -391,7 +391,268 @@ async function getMyOverview({ userId, actorUser }) {
   };
 }
 
-// NEW: deactivate a matrix instance (admin-only)
+// NEW: list all matrices the user belongs to
+async function listMyMatrices({ userId, actorUser }) {
+  if (!actorUser) {
+    const err = new Error('Unauthorized');
+    err.status = 401;
+    throw err;
+  }
+  const uid = Number(userId);
+  if (!Number.isFinite(uid) || uid <= 0) {
+    const err = new Error('Invalid user');
+    err.status = 400;
+    throw err;
+  }
+
+  const items = await MatrixRepository.listInstancesForUser(uid);
+
+  // Enrich each item with summary (total users under requester, highest full level, fill percent)
+  const enriched = [];
+  for (const m of items) {
+    const mid = Number(m.id ?? m.matrixInstanceId);
+    // Load instance policy and root user
+    const instanceInfo = await MatrixRepository.getInstanceInfo(mid);
+    const policyDepth = instanceInfo?.max_depth == null ? 5 : Number(instanceInfo.max_depth);
+
+    const users = await MatrixRepository.getMatrixUsers({
+      rootUserId: uid,
+      matrixInstanceId: mid,
+      maxDepth: policyDepth,
+      limit: 10000,
+      offset: 0,
+      includeRoot: false
+    });
+
+    const depthCounts = new Map();
+    for (const u of users) {
+      const d = Number(u.depth);
+      depthCounts.set(d, (depthCounts.get(d) || 0) + 1);
+    }
+
+    const totalUsersUnderMe = users.length;
+
+    let highestFullLevel = 0;
+    for (let k = 1; k <= policyDepth; k++) {
+      const theoretical = Math.pow(5, k);
+      const actual = Number(depthCounts.get(k) || 0);
+      if (actual === theoretical) {
+        highestFullLevel = k;
+      } else {
+        break;
+      }
+    }
+
+    let theoreticalTotal = 0;
+    let occupiedTotal = 0;
+    for (let k = 1; k <= policyDepth; k++) {
+      const slots = Math.pow(5, k);
+      theoreticalTotal += slots;
+      occupiedTotal += Number(depthCounts.get(k) || 0);
+    }
+    const matrixFillPercent = theoreticalTotal > 0 ? Math.round((occupiedTotal / theoreticalTotal) * 10000) / 100 : 0;
+
+    enriched.push({
+      id: mid,
+      matrixInstanceId: mid,
+      name: String(m.name || `Matrix ${mid}`).trim(),
+      totalUsersUnderMe,
+      highestFullLevel,
+      matrixFillPercent
+    });
+  }
+
+  return enriched;
+}
+
+// NEW: personal overview for a specific matrix instance
+async function getMyOverviewByInstance({ userId, matrixInstanceId, actorUser }) {
+  if (!actorUser) {
+    const err = new Error('Unauthorized');
+    err.status = 401;
+    throw err;
+  }
+  const uid = Number(userId);
+  const mid = Number(matrixInstanceId);
+  if (!Number.isFinite(uid) || uid <= 0) {
+    const err = new Error('Invalid user');
+    err.status = 400;
+    throw err;
+  }
+  if (!Number.isFinite(mid) || mid <= 0) {
+    const err = new Error('Invalid matrix instance id');
+    err.status = 400;
+    throw err;
+  }
+
+  // Ensure the user belongs to the requested instance
+  const belongs = await MatrixRepository.userBelongsToInstance(uid, mid);
+  if (!belongs) {
+    const err = new Error('User does not belong to this matrix');
+    err.status = 403;
+    throw err;
+  }
+
+  // Load instance policy and root user
+  const instanceInfo = await MatrixRepository.getInstanceInfo(mid);
+  if (!instanceInfo) {
+    const err = new Error('Matrix instance not found');
+    err.status = 404;
+    throw err;
+  }
+  const policyDepth = instanceInfo?.max_depth == null ? 5 : Number(instanceInfo.max_depth);
+  const rootUserId = Number(instanceInfo?.root_user_id || 0);
+  const isRoot = rootUserId === uid;
+
+  // Fetch descendants anchored at requester within this instance
+  const users = await MatrixRepository.getMatrixUsers({
+    rootUserId: uid,
+    matrixInstanceId: mid,
+    maxDepth: policyDepth,
+    limit: 1000,
+    offset: 0,
+    includeRoot: false
+  });
+
+  const depthBuckets = new Map();
+  for (const u of users) {
+    const d = Number(u.depth);
+    if (!depthBuckets.has(d)) depthBuckets.set(d, []);
+    depthBuckets.get(d).push(u);
+  }
+
+  const immediateChildren = depthBuckets.get(1) || [];
+  immediateChildren.sort((a, b) => {
+    const pa = (a.position ?? 999999);
+    const pb = (b.position ?? 999999);
+    if (pa !== pb) return pa - pb;
+    return (new Date(a.createdAt) - new Date(b.createdAt));
+  });
+  const level1 = immediateChildren.slice(0, 5).map(u => ({
+    userId: u.userId,
+    email: u.email,
+    name: u.name || u.email,
+    position: u.position ?? null
+  }));
+
+  const level2PlusRaw = users.filter(u => u.depth >= 2);
+  const level2Plus = level2PlusRaw.map(u => ({
+    userId: u.userId,
+    depth: u.depth,
+    name: maskName(u.name, u.email)
+  }));
+
+  let levelsFilled = 0;
+  for (let d = 1; d <= policyDepth; d++) {
+    if ((depthBuckets.get(d) || []).length > 0) levelsFilled = d;
+  }
+
+  let rootSlotsRemaining = null;
+  if (isRoot) {
+    const firstFiveUsed = immediateChildren
+      .map(u => Number(u.position))
+      .filter(p => Number.isFinite(p) && p >= 1 && p <= 5);
+    const unique = new Set(firstFiveUsed);
+    rootSlotsRemaining = Math.max(0, 5 - unique.size);
+  }
+
+  return {
+    matrixInstanceId: mid,
+    totalUsersUnderMe: users.length,
+    levelsFilled,
+    immediateChildrenCount: immediateChildren.length,
+    rootSlotsRemaining,
+    level1,
+    level2Plus
+  };
+}
+
+// NEW: personal matrix summary (totals and fill) for a specific instance
+async function getMyMatrixSummary({ userId, matrixInstanceId, actorUser }) {
+  if (!actorUser) {
+    const err = new Error('Unauthorized');
+    err.status = 401;
+    throw err;
+  }
+  const uid = Number(userId);
+  const mid = Number(matrixInstanceId);
+  if (!Number.isFinite(uid) || uid <= 0) {
+    const err = new Error('Invalid user');
+    err.status = 400;
+    throw err;
+  }
+  if (!Number.isFinite(mid) || mid <= 0) {
+    const err = new Error('Invalid matrix instance id');
+    err.status = 400;
+    throw err;
+  }
+
+  // Ensure membership
+  const belongs = await MatrixRepository.userBelongsToInstance(uid, mid);
+  if (!belongs) {
+    const err = new Error('User does not belong to this matrix');
+    err.status = 403;
+    throw err;
+  }
+
+  // Policy info
+  const instanceInfo = await MatrixRepository.getInstanceInfo(mid);
+  if (!instanceInfo) {
+    const err = new Error('Matrix instance not found');
+    err.status = 404;
+    throw err;
+  }
+  const policyDepth = instanceInfo?.max_depth == null ? 5 : Number(instanceInfo.max_depth);
+
+  // Fetch all descendants anchored at requester within this instance
+  const users = await MatrixRepository.getMatrixUsers({
+    rootUserId: uid,
+    matrixInstanceId: mid,
+    maxDepth: policyDepth,
+    limit: 10000,
+    offset: 0,
+    includeRoot: false
+  });
+
+  // Bucket counts by depth
+  const depthCounts = new Map(); // depth -> count
+  for (const u of users) {
+    const d = Number(u.depth);
+    depthCounts.set(d, (depthCounts.get(d) || 0) + 1);
+  }
+
+  const totalUsersUnderMe = users.length;
+
+  // highestFullLevel: largest k where count at depth k equals 5^k (bounded by policyDepth)
+  let highestFullLevel = 0;
+  for (let k = 1; k <= policyDepth; k++) {
+    const theoretical = Math.pow(5, k);
+    const actual = Number(depthCounts.get(k) || 0);
+    if (actual === theoretical) {
+      highestFullLevel = k;
+    } else {
+      break; // stop at first non-full level
+    }
+  }
+
+  // matrixFillPercent: occupied slots / theoretical slots across depths 1..policyDepth
+  let theoreticalTotal = 0;
+  let occupiedTotal = 0;
+  for (let k = 1; k <= policyDepth; k++) {
+    const slots = Math.pow(5, k);
+    theoreticalTotal += slots;
+    occupiedTotal += Number(depthCounts.get(k) || 0);
+  }
+  const matrixFillPercent = theoreticalTotal > 0 ? Math.round((occupiedTotal / theoreticalTotal) * 10000) / 100 : 0;
+
+  return {
+    matrixInstanceId: mid,
+    totalUsersUnderMe,
+    highestFullLevel,
+    matrixFillPercent
+  };
+}
+
 async function deactivate({ matrixInstanceId, matrixId, rootUserId, topNodeEmail, actorUser }) {
   if (!actorUser) {
     const err = new Error('Unauthorized');
@@ -465,6 +726,9 @@ module.exports = {
   getUserCandidates,
   addUserToMatrix,
   getMyOverview, // NEW
+  listMyMatrices, // NEW (enhanced)
+  getMyOverviewByInstance, // NEW
+  getMyMatrixSummary, // NEW
   deactivate, // NEW
   activate // NEW
 };