diff --git a/src/Analyser/Analyser.php b/src/Analyser/Analyser.php
index 4ab99fc5d3..31599aaee4 100644
--- a/src/Analyser/Analyser.php
+++ b/src/Analyser/Analyser.php
@@ -12,6 +12,9 @@
 use function count;
 use function memory_get_peak_usage;
 
+/**
+ * @phpstan-import-type CollectorData from CollectedData
+ */
 final class Analyser
 {
 
@@ -59,7 +62,7 @@ public function analyse(
 		$linesToIgnore = [];
 		$unmatchedLineIgnores = [];
 
-		/** @var list<CollectedData> $collectedData */
+		/** @var CollectorData $collectedData */
 		$collectedData = [];
 
 		$internalErrorsCount = 0;
diff --git a/src/Analyser/AnalyserResult.php b/src/Analyser/AnalyserResult.php
index 212fdcf422..4226e76fbd 100644
--- a/src/Analyser/AnalyserResult.php
+++ b/src/Analyser/AnalyserResult.php
@@ -8,6 +8,7 @@
 
 /**
  * @phpstan-import-type LinesToIgnore from FileAnalyserResult
+ * @phpstan-import-type CollectorData from CollectedData
  */
 final class AnalyserResult
 {
@@ -22,7 +23,7 @@ final class AnalyserResult
 	 * @param list<Error> $locallyIgnoredErrors
 	 * @param array<string, LinesToIgnore> $linesToIgnore
 	 * @param array<string, LinesToIgnore> $unmatchedLineIgnores
-	 * @param list<CollectedData> $collectedData
+	 * @param CollectorData $collectedData
 	 * @param list<InternalError> $internalErrors
 	 * @param array<string, array<string>>|null $dependencies
 	 * @param array<string, array<RootExportedNode>> $exportedNodes
@@ -125,7 +126,7 @@ public function getInternalErrors(): array
 	}
 
 	/**
-	 * @return list<CollectedData>
+	 * @return CollectorData
 	 */
 	public function getCollectedData(): array
 	{
diff --git a/src/Analyser/FileAnalyser.php b/src/Analyser/FileAnalyser.php
index 969154c3c8..80724ea18a 100644
--- a/src/Analyser/FileAnalyser.php
+++ b/src/Analyser/FileAnalyser.php
@@ -37,6 +37,9 @@
 use const E_USER_WARNING;
 use const E_WARNING;
 
+/**
+ * @phpstan-import-type CollectorData from CollectedData
+ */
 final class FileAnalyser
 {
 
@@ -76,7 +79,7 @@ public function analyseFile(
 		/** @var list<Error> $locallyIgnoredErrors */
 		$locallyIgnoredErrors = [];
 
-		/** @var list<CollectedData> $fileCollectedData */
+		/** @var CollectorData $fileCollectedData */
 		$fileCollectedData = [];
 
 		$fileDependencies = [];
@@ -195,11 +198,7 @@ public function analyseFile(
 							continue;
 						}
 
-						$fileCollectedData[] = new CollectedData(
-							$collectedData,
-							$scope->getFile(),
-							get_class($collector),
-						);
+						$fileCollectedData[$scope->getFile()][get_class($collector)][] = $collectedData;
 					}
 
 					try {
diff --git a/src/Analyser/FileAnalyserResult.php b/src/Analyser/FileAnalyserResult.php
index d1727f5824..2aba60730f 100644
--- a/src/Analyser/FileAnalyserResult.php
+++ b/src/Analyser/FileAnalyserResult.php
@@ -7,6 +7,7 @@
 
 /**
  * @phpstan-type LinesToIgnore = array<string, array<int, non-empty-list<string>|null>>
+ * @phpstan-import-type CollectorData from CollectedData
  */
 final class FileAnalyserResult
 {
@@ -16,7 +17,7 @@ final class FileAnalyserResult
 	 * @param list<Error> $filteredPhpErrors
 	 * @param list<Error> $allPhpErrors
 	 * @param list<Error> $locallyIgnoredErrors
-	 * @param list<CollectedData> $collectedData
+	 * @param CollectorData $collectedData
 	 * @param list<string> $dependencies
 	 * @param list<RootExportedNode> $exportedNodes
 	 * @param LinesToIgnore $linesToIgnore
@@ -69,7 +70,7 @@ public function getLocallyIgnoredErrors(): array
 	}
 
 	/**
-	 * @return list<CollectedData>
+	 * @return CollectorData
 	 */
 	public function getCollectedData(): array
 	{
diff --git a/src/Analyser/ResultCache/ResultCache.php b/src/Analyser/ResultCache/ResultCache.php
index f409f9c062..1708a1f53b 100644
--- a/src/Analyser/ResultCache/ResultCache.php
+++ b/src/Analyser/ResultCache/ResultCache.php
@@ -9,6 +9,7 @@
 
 /**
  * @phpstan-import-type LinesToIgnore from FileAnalyserResult
+ * @phpstan-import-type CollectorData from CollectedData
  */
 final class ResultCache
 {
@@ -20,7 +21,7 @@ final class ResultCache
 	 * @param array<string, list<Error>> $locallyIgnoredErrors
 	 * @param array<string, LinesToIgnore> $linesToIgnore
 	 * @param array<string, LinesToIgnore> $unmatchedLineIgnores
-	 * @param array<string, array<CollectedData>> $collectedData
+	 * @param CollectorData $collectedData
 	 * @param array<string, array<string>> $dependencies
 	 * @param array<string, array<RootExportedNode>> $exportedNodes
 	 * @param array<string, array{string, bool, string}> $projectExtensionFiles
@@ -101,7 +102,7 @@ public function getUnmatchedLineIgnores(): array
 	}
 
 	/**
-	 * @return array<string, array<CollectedData>>
+	 * @return CollectorData
 	 */
 	public function getCollectedData(): array
 	{
diff --git a/src/Analyser/ResultCache/ResultCacheManager.php b/src/Analyser/ResultCache/ResultCacheManager.php
index 0db2ffc546..80ea03ac06 100644
--- a/src/Analyser/ResultCache/ResultCacheManager.php
+++ b/src/Analyser/ResultCache/ResultCacheManager.php
@@ -49,6 +49,7 @@
 
 /**
  * @phpstan-import-type LinesToIgnore from FileAnalyserResult
+ * @phpstan-import-type CollectorData from CollectedData
  */
 final class ResultCacheManager
 {
@@ -406,10 +407,7 @@ public function process(AnalyserResult $analyserResult, ResultCache $resultCache
 			$freshLocallyIgnoredErrorsByFile[$error->getFilePath()][] = $error;
 		}
 
-		$freshCollectedDataByFile = [];
-		foreach ($analyserResult->getCollectedData() as $collectedData) {
-			$freshCollectedDataByFile[$collectedData->getFilePath()][] = $collectedData;
-		}
+		$freshCollectedDataByFile = $analyserResult->getCollectedData();
 
 		$meta = $resultCache->getMeta();
 		$projectConfigArray = $meta['projectConfig'];
@@ -524,13 +522,6 @@ public function process(AnalyserResult $analyserResult, ResultCache $resultCache
 			}
 		}
 
-		$flatCollectedData = [];
-		foreach ($collectedDataByFile as $fileCollectedData) {
-			foreach ($fileCollectedData as $collectedData) {
-				$flatCollectedData[] = $collectedData;
-			}
-		}
-
 		return new ResultCacheProcessResult(new AnalyserResult(
 			$flatErrors,
 			$analyserResult->getFilteredPhpErrors(),
@@ -539,7 +530,7 @@ public function process(AnalyserResult $analyserResult, ResultCache $resultCache
 			$linesToIgnore,
 			$unmatchedLineIgnores,
 			$internalErrors,
-			$flatCollectedData,
+			$collectedDataByFile,
 			$dependencies,
 			$exportedNodes,
 			$analyserResult->hasReachedInternalErrorsCountLimit(),
@@ -584,8 +575,8 @@ private function mergeLocallyIgnoredErrors(ResultCache $resultCache, array $fres
 	}
 
 	/**
-	 * @param array<string, array<CollectedData>> $freshCollectedDataByFile
-	 * @return array<string, array<CollectedData>>
+	 * @param CollectorData $freshCollectedDataByFile
+	 * @return CollectorData
 	 */
 	private function mergeCollectedData(ResultCache $resultCache, array $freshCollectedDataByFile): array
 	{
@@ -704,7 +695,7 @@ private function mergeUnmatchedLineIgnores(ResultCache $resultCache, array $fres
 	 * @param array<string, list<Error>> $locallyIgnoredErrors
 	 * @param array<string, LinesToIgnore> $linesToIgnore
 	 * @param array<string, LinesToIgnore> $unmatchedLineIgnores
-	 * @param array<string, array<CollectedData>> $collectedData
+	 * @param array<string, array<string, list<CollectedData>>> $collectedData
 	 * @param array<string, array<string>> $dependencies
 	 * @param array<string, array<RootExportedNode>> $exportedNodes
 	 * @param array<string, array{string, bool, string}> $projectExtensionFiles
@@ -760,6 +751,10 @@ private function save(
 		ksort($collectedData);
 		ksort($invertedDependencies);
 
+		foreach ($collectedData as & $collectedDataPerFile) {
+			ksort($collectedDataPerFile);
+		}
+
 		foreach ($invertedDependencies as $file => $fileData) {
 			$dependentFiles = $fileData['dependentFiles'];
 			sort($dependentFiles);
diff --git a/src/Collectors/CollectedData.php b/src/Collectors/CollectedData.php
index 1ae0078880..f6057f8cf8 100644
--- a/src/Collectors/CollectedData.php
+++ b/src/Collectors/CollectedData.php
@@ -8,6 +8,8 @@
 
 /**
  * @api
+ *
+ * @phpstan-type CollectorData = array<string, array<class-string<Collector<Node, mixed>>, list<mixed>>>
  */
 final class CollectedData implements JsonSerializable
 {
diff --git a/src/Command/AnalyseApplication.php b/src/Command/AnalyseApplication.php
index 88589db6cc..81793c6ba0 100644
--- a/src/Command/AnalyseApplication.php
+++ b/src/Command/AnalyseApplication.php
@@ -6,6 +6,7 @@
 use PHPStan\Analyser\AnalyserResultFinalizer;
 use PHPStan\Analyser\Ignore\IgnoredErrorHelper;
 use PHPStan\Analyser\ResultCache\ResultCacheManagerFactory;
+use PHPStan\Collectors\CollectedData;
 use PHPStan\Internal\BytesHelper;
 use PHPStan\PhpDoc\StubFilesProvider;
 use PHPStan\PhpDoc\StubValidator;
@@ -19,6 +20,9 @@
 use function sha1_file;
 use function sprintf;
 
+/**
+ * @phpstan-import-type CollectorData from CollectedData
+ */
 final class AnalyseApplication
 {
 
@@ -150,7 +154,7 @@ public function analyse(
 			$notFileSpecificErrors,
 			$internalErrors,
 			[],
-			$collectedData,
+			$this->mapCollectedData($collectedData),
 			$defaultLevelUsed,
 			$projectConfigFile,
 			$savedResultCache,
@@ -160,6 +164,22 @@ public function analyse(
 		);
 	}
 
+	/**
+	 * @param CollectorData $collectedData
+	 *
+	 * @return list<CollectedData>
+	 */
+	private function mapCollectedData(array $collectedData): array
+	{
+		$result = [];
+		foreach ($collectedData as $file => $dataPerCollector) {
+			foreach ($dataPerCollector as $collectorType => $rawData) {
+				$result[] = new CollectedData($rawData, $file, $collectorType);
+			}
+		}
+		return $result;
+	}
+
 	/**
 	 * @param string[] $files
 	 * @param string[] $allAnalysedFiles
diff --git a/src/Command/WorkerCommand.php b/src/Command/WorkerCommand.php
index 6e44a11217..27fdb1ce80 100644
--- a/src/Command/WorkerCommand.php
+++ b/src/Command/WorkerCommand.php
@@ -226,8 +226,12 @@ private function runWorker(
 					foreach ($fileAnalyserResult->getLocallyIgnoredErrors() as $locallyIgnoredError) {
 						$locallyIgnoredErrors[] = $locallyIgnoredError;
 					}
-					foreach ($fileAnalyserResult->getCollectedData() as $data) {
-						$collectedData[] = $data;
+					foreach ($fileAnalyserResult->getCollectedData() as $collectedFile => $dataPerCollector) {
+						foreach ($dataPerCollector as $collectorType => $collectorData) {
+							foreach ($collectorData as $data) {
+								$collectedData[$collectedFile][$collectorType][] = $data;
+							}
+						}
 					}
 				} catch (Throwable $t) {
 					$internalErrorsCount++;
diff --git a/src/Node/CollectedDataNode.php b/src/Node/CollectedDataNode.php
index 8c0f52dc3b..acc4f24f2d 100644
--- a/src/Node/CollectedDataNode.php
+++ b/src/Node/CollectedDataNode.php
@@ -6,16 +6,16 @@
 use PhpParser\NodeAbstract;
 use PHPStan\Collectors\CollectedData;
 use PHPStan\Collectors\Collector;
-use function array_key_exists;
 
 /**
  * @api
+ * @phpstan-import-type CollectorData from CollectedData
  */
 final class CollectedDataNode extends NodeAbstract implements VirtualNode
 {
 
 	/**
-	 * @param CollectedData[] $collectedData
+	 * @param CollectorData $collectedData
 	 */
 	public function __construct(private array $collectedData, private bool $onlyFiles)
 	{
@@ -31,17 +31,14 @@ public function __construct(private array $collectedData, private bool $onlyFile
 	public function get(string $collectorType): array
 	{
 		$result = [];
-		foreach ($this->collectedData as $collectedData) {
-			if ($collectedData->getCollectorType() !== $collectorType) {
+		foreach ($this->collectedData as $filePath => $collectedDataPerCollector) {
+			if (!isset($collectedDataPerCollector[$collectorType])) {
 				continue;
 			}
 
-			$filePath = $collectedData->getFilePath();
-			if (!array_key_exists($filePath, $result)) {
-				$result[$filePath] = [];
+			foreach ($collectedDataPerCollector[$collectorType] as $rawData) {
+				$result[$filePath][] = $rawData;
 			}
-
-			$result[$filePath][] = $collectedData->getData();
 		}
 
 		return $result;
diff --git a/src/Parallel/ParallelAnalyser.php b/src/Parallel/ParallelAnalyser.php
index 4c31b63050..96dcd36820 100644
--- a/src/Parallel/ParallelAnalyser.php
+++ b/src/Parallel/ParallelAnalyser.php
@@ -9,7 +9,6 @@
 use PHPStan\Analyser\AnalyserResult;
 use PHPStan\Analyser\Error;
 use PHPStan\Analyser\InternalError;
-use PHPStan\Collectors\CollectedData;
 use PHPStan\Dependency\RootExportedNode;
 use PHPStan\Process\ProcessHelper;
 use React\EventLoop\LoopInterface;
@@ -211,8 +210,12 @@ public function analyse(
 					$locallyIgnoredErrors[] = $locallyIgnoredFileError;
 				}
 
-				foreach ($json['collectedData'] as $jsonData) {
-					$collectedData[] = CollectedData::decode($jsonData);
+				foreach ($json['collectedData'] as $file => $jsonDataByCollector) {
+					foreach ($jsonDataByCollector as $collectorType => $listOfCollectedData) {
+						foreach ($listOfCollectedData as $rawCollectedData) {
+							$collectedData[$file][$collectorType][] = $rawCollectedData;
+						}
+					}
 				}
 
 				/**