diff --git a/src/main/java/org/cbioportal/persistence/StudyViewRepository.java b/src/main/java/org/cbioportal/persistence/StudyViewRepository.java
index f866cf1442c..51ff94c7a17 100644
--- a/src/main/java/org/cbioportal/persistence/StudyViewRepository.java
+++ b/src/main/java/org/cbioportal/persistence/StudyViewRepository.java
@@ -1,6 +1,7 @@
 package org.cbioportal.persistence;
 
 import org.cbioportal.model.AlterationCountByGene;
+import org.cbioportal.model.CaseListDataCount;
 import org.cbioportal.model.ClinicalData;
 import org.cbioportal.model.ClinicalDataCount;
 import org.cbioportal.model.CopyNumberCountByGene;
@@ -35,6 +36,9 @@ public interface StudyViewRepository {
     
     List<GenomicDataCount> getGenomicDataCounts(StudyViewFilter studyViewFilter, CategorizedClinicalDataCountFilter categorizedClinicalDataCountFilter);
     
+
+    List<CaseListDataCount> getCaseListDataCounts(StudyViewFilter studyViewFilter, CategorizedClinicalDataCountFilter categorizedClinicalDataCountFilter);
+
     List<String> getClinicalDataAttributeNames(ClinicalAttributeDataSource clinicalAttributeDataSource, ClinicalAttributeDataType dataType);
 
     Map<String, AlterationCountByGene> getTotalProfiledCounts(StudyViewFilter studyViewFilter, CategorizedClinicalDataCountFilter categorizedClinicalDataCountFilter, String alterationType);
diff --git a/src/main/java/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.java b/src/main/java/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.java
index 7a279943289..0c7e40d3524 100644
--- a/src/main/java/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.java
+++ b/src/main/java/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.java
@@ -1,11 +1,12 @@
 package org.cbioportal.persistence.mybatisclickhouse;
 
-import org.cbioportal.model.*;
 import org.apache.ibatis.annotations.MapKey;
 import org.cbioportal.model.AlterationCountByGene;
+import org.cbioportal.model.CaseListDataCount;
 import org.cbioportal.model.ClinicalData;
 import org.cbioportal.model.ClinicalDataCount;
 import org.cbioportal.model.CopyNumberCountByGene;
+import org.cbioportal.model.GenomicDataCount;
 import org.cbioportal.model.Sample;
 import org.cbioportal.persistence.helper.AlterationFilterHelper;
 import org.cbioportal.web.parameter.CategorizedClinicalDataCountFilter;
@@ -14,6 +15,7 @@
 import java.util.List;
 import java.util.Map;
 
+
 public interface StudyViewMapper {
     List<Sample> getFilteredSamples(StudyViewFilter studyViewFilter, CategorizedClinicalDataCountFilter categorizedClinicalDataCountFilter, boolean applyPatientIdFilters);
 
@@ -36,6 +38,8 @@ List<ClinicalDataCount> getSampleClinicalDataCounts(StudyViewFilter studyViewFil
     
     List<ClinicalDataCount> getClinicalDataCounts(StudyViewFilter studyViewFilter, CategorizedClinicalDataCountFilter categorizedClinicalDataCountFilter,
                                                   boolean applyPatientIdFilters, List<String> attributeIds, List<String> filteredAttributeValues);
+
+    List<CaseListDataCount> getCaseListDataCounts(StudyViewFilter studyViewFilter, CategorizedClinicalDataCountFilter categorizedClinicalDataCountFilter, boolean applyPatientIdFilters);
     
     List<String> getClinicalAttributeNames(String tableName);
     
diff --git a/src/main/java/org/cbioportal/persistence/mybatisclickhouse/StudyViewMyBatisRepository.java b/src/main/java/org/cbioportal/persistence/mybatisclickhouse/StudyViewMyBatisRepository.java
index 6dbc760d097..01bd7aa6bb3 100644
--- a/src/main/java/org/cbioportal/persistence/mybatisclickhouse/StudyViewMyBatisRepository.java
+++ b/src/main/java/org/cbioportal/persistence/mybatisclickhouse/StudyViewMyBatisRepository.java
@@ -1,5 +1,6 @@
 package org.cbioportal.persistence.mybatisclickhouse;
 import org.cbioportal.model.AlterationCountByGene;
+import org.cbioportal.model.CaseListDataCount;
 import org.cbioportal.model.ClinicalData;
 import org.cbioportal.model.ClinicalDataCount;
 import org.cbioportal.model.GenePanelToGene;
@@ -82,6 +83,11 @@ public List<ClinicalDataCount> getPatientClinicalDataCounts(StudyViewFilter stud
             filteredAttributes, FILTERED_CLINICAL_ATTR_VALUES);
     }
 
+    @Override
+    public List<CaseListDataCount> getCaseListDataCounts(StudyViewFilter studyViewFilter, CategorizedClinicalDataCountFilter categorizedClinicalDataCountFilter) {
+        return mapper.getCaseListDataCounts(studyViewFilter, categorizedClinicalDataCountFilter, shouldApplyPatientIdFilters(categorizedClinicalDataCountFilter));
+    }
+
     @Override
     public List<String> getClinicalDataAttributeNames(ClinicalAttributeDataSource clinicalAttributeDataSource, ClinicalAttributeDataType dataType) {
         String tableName = clinicalAttributeDataSource.getValue().toLowerCase() + "_clinical_attribute_" + dataType.getValue().toLowerCase() + "_mv";
diff --git a/src/main/java/org/cbioportal/service/StudyViewColumnarService.java b/src/main/java/org/cbioportal/service/StudyViewColumnarService.java
index 91ed7b8c647..0298b061377 100644
--- a/src/main/java/org/cbioportal/service/StudyViewColumnarService.java
+++ b/src/main/java/org/cbioportal/service/StudyViewColumnarService.java
@@ -1,6 +1,7 @@
 package org.cbioportal.service;
 
 import org.cbioportal.model.AlterationCountByGene;
+import org.cbioportal.model.CaseListDataCount;
 import org.cbioportal.model.ClinicalData;
 import org.cbioportal.model.ClinicalDataCountItem;
 import org.cbioportal.model.GenomicDataCount;
@@ -20,6 +21,8 @@ public interface StudyViewColumnarService {
 
     List<ClinicalDataCountItem> getClinicalDataCounts(StudyViewFilter studyViewFilter, List<String> filteredAttributes);
 
+    List<CaseListDataCount> getCaseListDataCounts(StudyViewFilter studyViewFilter);
+
     List<ClinicalData> getPatientClinicalData(StudyViewFilter studyViewFilter, List<String> attributeIds);
 
     List<ClinicalData> getSampleClinicalData(StudyViewFilter studyViewFilter, List<String> attributeIds);
diff --git a/src/main/java/org/cbioportal/service/impl/StudyViewColumnarServiceImpl.java b/src/main/java/org/cbioportal/service/impl/StudyViewColumnarServiceImpl.java
index 83916d0c369..6a48daf03ad 100644
--- a/src/main/java/org/cbioportal/service/impl/StudyViewColumnarServiceImpl.java
+++ b/src/main/java/org/cbioportal/service/impl/StudyViewColumnarServiceImpl.java
@@ -1,6 +1,7 @@
 package org.cbioportal.service.impl;
 
 import org.cbioportal.model.AlterationCountByGene;
+import org.cbioportal.model.CaseListDataCount;
 import org.cbioportal.model.ClinicalData;
 import org.cbioportal.model.ClinicalDataCount;
 import org.cbioportal.model.ClinicalDataCountItem;
@@ -15,6 +16,7 @@
 import org.cbioportal.web.parameter.CategorizedClinicalDataCountFilter;
 import org.cbioportal.web.parameter.StudyViewFilter;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 
 import java.util.HashMap;
@@ -38,6 +40,7 @@ public StudyViewColumnarServiceImpl(StudyViewRepository studyViewRepository, Alt
         this.alterationCountService = alterationCountService;
     }
 
+    @Cacheable(cacheResolver = "generalRepositoryCacheResolver", condition = "@cacheEnabledConfig.getEnabled()")
     @Override
     public List<Sample> getFilteredSamples(StudyViewFilter studyViewFilter) {
         CategorizedClinicalDataCountFilter categorizedClinicalDataCountFilter = extractClinicalDataCountFilters(studyViewFilter);
@@ -83,6 +86,12 @@ public List<ClinicalDataCountItem> getClinicalDataCounts(StudyViewFilter studyVi
             }).collect(Collectors.toList());
     }
 
+    @Override
+    public List<CaseListDataCount> getCaseListDataCounts(StudyViewFilter studyViewFilter) {
+        CategorizedClinicalDataCountFilter categorizedClinicalDataCountFilter = extractClinicalDataCountFilters(studyViewFilter);
+        return studyViewRepository.getCaseListDataCounts(studyViewFilter, categorizedClinicalDataCountFilter);
+    }
+
     private CategorizedClinicalDataCountFilter extractClinicalDataCountFilters(final StudyViewFilter studyViewFilter) {
         if (clinicalAttributeNameMap.isEmpty()) {
             buildClinicalAttributeNameMap();
diff --git a/src/main/java/org/cbioportal/web/columnar/ClinicalDataBinner.java b/src/main/java/org/cbioportal/web/columnar/ClinicalDataBinner.java
index 77562cd44d6..cc91a840a3c 100644
--- a/src/main/java/org/cbioportal/web/columnar/ClinicalDataBinner.java
+++ b/src/main/java/org/cbioportal/web/columnar/ClinicalDataBinner.java
@@ -6,6 +6,7 @@
 import org.cbioportal.web.parameter.*;
 import org.cbioportal.web.util.DataBinner;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Component;
 
 import java.util.*;
@@ -26,6 +27,7 @@ public ClinicalDataBinner(
         this.dataBinner = dataBinner;
     }
 
+    @Cacheable(cacheResolver = "generalRepositoryCacheResolver", condition = "@cacheEnabledConfig.getEnabled()")
     public List<ClinicalDataBin> fetchClinicalDataBinCounts(
         DataBinMethod dataBinMethod,
         ClinicalDataBinCountFilter dataBinCountFilter,
diff --git a/src/main/java/org/cbioportal/web/columnar/StudyViewColumnStoreController.java b/src/main/java/org/cbioportal/web/columnar/StudyViewColumnStoreController.java
index cf06ef4ae76..ccb193cb9af 100644
--- a/src/main/java/org/cbioportal/web/columnar/StudyViewColumnStoreController.java
+++ b/src/main/java/org/cbioportal/web/columnar/StudyViewColumnStoreController.java
@@ -9,6 +9,7 @@
 import jakarta.validation.Valid;
 import org.cbioportal.model.AlterationCountByGene;
 import org.cbioportal.model.AlterationFilter;
+import org.cbioportal.model.CaseListDataCount;
 import org.cbioportal.model.ClinicalData;
 import org.cbioportal.model.ClinicalDataBin;
 import org.cbioportal.model.ClinicalDataCountItem;
@@ -170,6 +171,22 @@ public ResponseEntity<List<ClinicalDataCountItem>> fetchClinicalDataCounts(
 
     }
 
+    @PreAuthorize("hasPermission(#involvedCancerStudies, 'Collection<CancerStudyId>', T(org.cbioportal.utils.security.AccessLevel).READ)")
+    @RequestMapping(value = "/column-store/sample-lists-counts/fetch", method = RequestMethod.POST,
+        consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    @Operation(description = "Fetch case list sample counts by study view filter")
+    public List<CaseListDataCount> fetchCaseListCounts(
+        @Parameter(required = true, description = "Study view filter")
+        @Valid @RequestBody(required = false) StudyViewFilter studyViewFilter,
+        @Parameter(hidden = true) // prevent reference to this attribute in the swagger-ui interface
+        @RequestAttribute(required = false, value = "involvedCancerStudies") Collection<String> involvedCancerStudies,
+        @Parameter(hidden = true) // prevent reference to this attribute in the swagger-ui interface. this attribute is needed for the @PreAuthorize tag above.
+        @Valid @RequestAttribute(required = false, value = "interceptedStudyViewFilter") StudyViewFilter interceptedStudyViewFilter) {
+
+        return studyViewColumnarService.getCaseListDataCounts(interceptedStudyViewFilter);
+        
+    }
+
     @PreAuthorize("hasPermission(#involvedCancerStudies, 'Collection<CancerStudyId>', T(org.cbioportal.utils.security.AccessLevel).READ)")
     @RequestMapping(value = "/column-store/clinical-data-bin-counts/fetch", method = RequestMethod.POST,
         consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
diff --git a/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewFilterMapper.xml b/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewFilterMapper.xml
index 58cbfe48b0d..29d52a9e7df 100644
--- a/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewFilterMapper.xml
+++ b/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewFilterMapper.xml
@@ -13,8 +13,26 @@
                     #{studyId}
                 </foreach>
             </if>
-
-
+            <!-- filter for samples which belong to the sample lists (aka case lists) selected by the user and appearing in the studyViewFilter.caseLists collection -->
+            <if test="studyViewFilter.caseLists != null and !studyViewFilter.caseLists.isEmpty()">
+                INTERSECT
+                -- case list filtering allows both UNION (OR) and INTERSECTION (AND) LOGIC
+                -- caseLists is an array of arrays wherein the top level is INTERSECTION
+                -- AND THE INTERNAL ARRAYS ARE UNION (OR)
+                SELECT * FROM (
+                    <foreach item="listGroup" collection="studyViewFilter.caseLists" separator="INTERSECT">
+                        SELECT sample_unique_id
+                        FROM sample_list_list sll
+                        LEFT JOIN sample_mv s ON sll.sample_id=s.internal_id
+                        LEFT JOIN sample_list sl on sll.list_id=sl.list_id
+                        WHERE
+                        <foreach item="list" collection="listGroup" separator="OR">
+                            sl.stable_id LIKE '%_${list}'
+                        </foreach>
+                    </foreach>
+                )
+            </if>
+                
             <if test="studyViewFilter.genomicProfiles != null and !studyViewFilter.genomicProfiles.isEmpty()">
                 INTERSECT
                 SELECT * FROM (
@@ -34,7 +52,6 @@
                             gp.stable_id LIKE '%_${genomicProfileId}'
                         </foreach>
                     </where>
-
                 </foreach>
                 )
                      
diff --git a/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.xml b/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.xml
index 55b8b529857..9170b676872 100644
--- a/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.xml
+++ b/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.xml
@@ -151,6 +151,21 @@
         GROUP BY genetic_profile.stable_id, genetic_profile.name, sample_derived.cancer_study_identifier;
     </select>
     
+
+    <!-- for /sample-lists-counts/fetch (returns CaseListDataCount) -->
+    <select id="getCaseListDataCounts" resultType="org.cbioportal.model.CaseListDataCount">
+        SELECT
+            name AS label,
+            REPLACE(stable_id, CONCAT(cancer_study_identifier, '_'), '') AS value,
+            count(sample_id) AS count
+        FROM sample_list_list sll
+            LEFT JOIN sample_mv s ON sll.sample_id=s.internal_id
+            LEFT JOIN sample_list sl on sll.list_id=sl.list_id
+        <where>
+            sample_unique_id IN ( <include refid="sampleUniqueIdsFromStudyViewFilter"/>)
+        </where>
+        GROUP BY s.cancer_study_identifier, sl.stable_id, sl.name;
+    </select>
     
     <sql id="getCategoricalClinicalDataCountsQuery">
         SELECT