diff --git a/extension/src/experiments/model/filterBy/index.test.ts b/extension/src/experiments/model/filterBy/index.test.ts
new file mode 100644
index 0000000000..a41e75b065
--- /dev/null
+++ b/extension/src/experiments/model/filterBy/index.test.ts
@@ -0,0 +1,271 @@
+import { FilterDefinition, filterExperiment, Operator } from '.'
+import { buildMetricOrParamPath } from '../../columns/paths'
+import { Experiment, ColumnType } from '../../webview/contract'
+
+describe('filterExperiment', () => {
+  const paramsFile = 'params.yaml'
+  const experiments = [
+    {
+      Created: '2020-12-29T12:00:01',
+      id: 1,
+      params: {
+        'params.yaml': {
+          bool: true,
+          filter: 1,
+          sort: 1,
+          text: 'abcdefghijklmnop'
+        }
+      }
+    },
+    {
+      Created: '2020-12-30T12:00:01',
+      id: 2,
+      params: {
+        'params.yaml': {
+          bool: false,
+          filter: 2,
+          sort: 1,
+          text: 'fun'
+        }
+      }
+    },
+    {
+      Created: '2021-01-01T00:00:01',
+      id: 3,
+      params: {
+        'params.yaml': {
+          bool: null,
+          filter: 3,
+          sort: 1,
+          text: 'not missing'
+        }
+      }
+    }
+  ] as unknown as Experiment[]
+
+  const filterExperiments = (filters: FilterDefinition[]): Experiment[] =>
+    experiments
+      .map(experiment => filterExperiment(filters, experiment))
+      .filter(Boolean) as Experiment[]
+
+  it('should not filter experiments if they do not have the provided value (for queued experiments)', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.IS_FALSE,
+        path: buildMetricOrParamPath(ColumnType.METRICS, 'metrics.json', 'acc'),
+        value: undefined
+      }
+    ])
+
+    expect(
+      unfiltered
+        .map(
+          experiment => experiment[ColumnType.METRICS]?.['metrics.json']?.acc
+        )
+        .filter(Boolean)
+    ).toHaveLength(0)
+
+    expect(unfiltered).toStrictEqual(experiments)
+  })
+
+  it('should filter experiments if they do not have the provided value and not missing is used', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.NOT_MISSING,
+        path: buildMetricOrParamPath(ColumnType.METRICS, 'metrics.json', 'acc'),
+        value: undefined
+      }
+    ])
+
+    expect(unfiltered).toStrictEqual([])
+  })
+
+  it('should not filter the experiments if no filters are provided', () => {
+    const unfiltered = filterExperiments([])
+
+    expect(unfiltered).toStrictEqual(experiments)
+  })
+
+  it('should filter the experiments with a greater than filter', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.GREATER_THAN,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'filter'),
+        value: '2'
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([3])
+  })
+
+  it('should filter experiments by an equals filter', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.EQUAL,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'filter'),
+        value: '2'
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([2])
+  })
+
+  it('should filter experiments by a not equals filter', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.NOT_EQUAL,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'filter'),
+        value: '2'
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([1, 3])
+  })
+
+  it('should filter experiments by multiple filters', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.GREATER_THAN,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'filter'),
+        value: '0'
+      },
+      {
+        operator: Operator.LESS_THAN_OR_EQUAL,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'filter'),
+        value: '2'
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([1, 2])
+  })
+
+  it('should filter experiments by multiple filters on multiple params', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.GREATER_THAN_OR_EQUAL,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'filter'),
+        value: '0'
+      },
+      {
+        operator: Operator.LESS_THAN,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'filter'),
+        value: '10'
+      },
+      {
+        operator: Operator.EQUAL,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'sort'),
+        value: '10'
+      }
+    ])
+
+    expect(unfiltered).toStrictEqual([])
+  })
+
+  it('should filter experiments using string contains', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.CONTAINS,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'text'),
+        value: 'def'
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([1])
+  })
+
+  it('should filter experiments if given a numeric column to filter with string contains', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.CONTAINS,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'filter'),
+        value: '1'
+      }
+    ])
+
+    expect(unfiltered).toStrictEqual([])
+  })
+
+  it('should filter experiments when given a numeric column to filter with string does not contain', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.NOT_CONTAINS,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'filter'),
+        value: '1'
+      }
+    ])
+
+    expect(unfiltered).toStrictEqual(experiments)
+  })
+
+  it('should filter experiments using string does not contain', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.NOT_CONTAINS,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'text'),
+        value: 'def'
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([2, 3])
+  })
+
+  it('should split the experiments using boolean is true', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.IS_TRUE,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'bool'),
+        value: undefined
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([1])
+  })
+
+  it('should split the experiments using boolean is false', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.IS_FALSE,
+        path: buildMetricOrParamPath(ColumnType.PARAMS, paramsFile, 'bool'),
+        value: undefined
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([2])
+  })
+
+  it('should split the experiments using after Created date', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.AFTER_DATE,
+        path: 'Created',
+        value: '2020-12-31T15:40:00'
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([3])
+  })
+
+  it('should split the experiments using before Created date', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.BEFORE_DATE,
+        path: 'Created',
+        value: '2020-12-31T15:40:00'
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([1, 2])
+  })
+
+  it('should split the experiments using on Created date', () => {
+    const unfiltered = filterExperiments([
+      {
+        operator: Operator.ON_DATE,
+        path: 'Created',
+        value: '2020-12-31T15:40:00'
+      }
+    ])
+
+    expect(unfiltered.map(experiment => experiment.id)).toStrictEqual([])
+  })
+})
diff --git a/extension/src/experiments/model/filterBy/index.ts b/extension/src/experiments/model/filterBy/index.ts
index 78c42d6cae..4a342b2987 100644
--- a/extension/src/experiments/model/filterBy/index.ts
+++ b/extension/src/experiments/model/filterBy/index.ts
@@ -5,15 +5,17 @@ import { definedAndNonEmpty } from '../../../util/array'
 import { splitColumnPath } from '../../columns/paths'
 
 export enum Operator {
-  EQUAL = '==',
+  EQUAL = '=',
   GREATER_THAN = '>',
   GREATER_THAN_OR_EQUAL = '>=',
   LESS_THAN = '<',
   LESS_THAN_OR_EQUAL = '<=',
-  NOT_EQUAL = '!=',
+  NOT_EQUAL = '≠',
+
+  NOT_MISSING = '≠Ø',
 
   CONTAINS = '∈',
-  NOT_CONTAINS = '!∈',
+  NOT_CONTAINS = '∉',
 
   IS_TRUE = '⊤',
   IS_FALSE = '⊥',
@@ -56,9 +58,11 @@ const evaluate = <T extends string | number | boolean>(
   filterValue: T
 ): boolean => {
   if (valueToEvaluate === undefined) {
-    return true
+    return operator !== Operator.NOT_MISSING
   }
   switch (operator) {
+    case Operator.NOT_MISSING:
+      return true
     case Operator.GREATER_THAN:
       return valueToEvaluate > filterValue
     case Operator.LESS_THAN:
diff --git a/extension/src/experiments/model/filterBy/quickPick.ts b/extension/src/experiments/model/filterBy/quickPick.ts
index 999830784b..26f5b77be3 100644
--- a/extension/src/experiments/model/filterBy/quickPick.ts
+++ b/extension/src/experiments/model/filterBy/quickPick.ts
@@ -21,6 +21,12 @@ export const OPERATORS = [
     types: ['number', 'string'],
     value: Operator.NOT_EQUAL
   },
+  {
+    description: 'Not Missing',
+    label: Operator.NOT_MISSING,
+    types: ['string', 'boolean', 'number'],
+    value: Operator.NOT_MISSING
+  },
   {
     description: 'Is true',
     label: Operator.IS_TRUE,
@@ -130,7 +136,11 @@ export const pickFilterToAdd = async (
     return
   }
 
-  if ([Operator.IS_TRUE, Operator.IS_FALSE].includes(operator)) {
+  if (
+    [Operator.IS_TRUE, Operator.IS_FALSE, Operator.NOT_MISSING].includes(
+      operator
+    )
+  ) {
     return {
       operator,
       path: picked.path,
diff --git a/extension/src/experiments/model/filterBy/tree.test.ts b/extension/src/experiments/model/filterBy/tree.test.ts
index a61907f22e..3a027aa1b9 100644
--- a/extension/src/experiments/model/filterBy/tree.test.ts
+++ b/extension/src/experiments/model/filterBy/tree.test.ts
@@ -85,12 +85,12 @@ describe('ExperimentsFilterByTree', () => {
     const filters = await experimentsFilterByTree.getChildren()
     expect(filters).toStrictEqual([
       {
-        description: '== 90000',
+        description: '= 90000',
         dvcRoot: 'demo',
         id: buildMetricOrParamPath(
           ColumnType.PARAMS,
           'params.yaml',
-          'param==90000'
+          'param=90000'
         ),
         label: buildMetricOrParamPath(ColumnType.PARAMS, 'params.yaml', 'param')
       }
@@ -119,7 +119,7 @@ describe('ExperimentsFilterByTree', () => {
   it("should return the dvcRoot's filters if one is provided", async () => {
     const mockedFilters = [
       {
-        operator: '==',
+        operator: '=',
         path: buildMetricOrParamPath(ColumnType.PARAMS, 'params.yml', 'param'),
         value: 90000
       },
@@ -146,12 +146,12 @@ describe('ExperimentsFilterByTree', () => {
 
     expect(filters).toStrictEqual([
       {
-        description: '== 90000',
+        description: '= 90000',
         dvcRoot: 'demo',
         id: buildMetricOrParamPath(
           ColumnType.PARAMS,
           'params.yml',
-          'param==90000'
+          'param=90000'
         ),
         label: buildMetricOrParamPath(ColumnType.PARAMS, 'params.yml', 'param')
       },
diff --git a/extension/src/test/suite/experiments/index.test.ts b/extension/src/test/suite/experiments/index.test.ts
index 8858f0335a..8a9f0f9897 100644
--- a/extension/src/test/suite/experiments/index.test.ts
+++ b/extension/src/test/suite/experiments/index.test.ts
@@ -1723,7 +1723,7 @@ suite('Experiments Test Suite', () => {
     const firstFilterId = buildMetricOrParamPath(
       ColumnType.PARAMS,
       'params.yaml',
-      'test==1'
+      'test=1'
     )
     const firstFilterDefinition = {
       operator: Operator.EQUAL,