diff --git a/src/metrics/aggregation/id_compress_test.go b/src/metrics/aggregation/id_compress_test.go
index 466e0dd76b..426148d58e 100644
--- a/src/metrics/aggregation/id_compress_test.go
+++ b/src/metrics/aggregation/id_compress_test.go
@@ -66,7 +66,8 @@ func TestIDDecompressError(t *testing.T) {
 	_, err := decompressor.Decompress([IDLen]uint64{1})
 	require.Error(t, err)
 
-	max, err := compressor.Compress([]Type{Last, Min, Max, Mean, Median, Count, Sum, SumSq, Stdev, P95, P99, P999, P9999})
+	max, err := compressor.Compress(
+		[]Type{Last, Min, Max, Mean, Median, Count, Sum, SumSq, Stdev, P95, P99, P999, P9999, P25, P75})
 	require.NoError(t, err)
 
 	max[0] = max[0] << 1
diff --git a/src/metrics/aggregation/type.go b/src/metrics/aggregation/type.go
index 0dad1bfe33..0850e65cf4 100644
--- a/src/metrics/aggregation/type.go
+++ b/src/metrics/aggregation/type.go
@@ -53,6 +53,8 @@ const (
 	P99
 	P999
 	P9999
+	P25
+	P75
 
 	nextTypeID = iota
 )
@@ -87,11 +89,13 @@ var (
 		Stdev:  emptyStruct,
 		P10:    emptyStruct,
 		P20:    emptyStruct,
+		P25:    emptyStruct,
 		P30:    emptyStruct,
 		P40:    emptyStruct,
 		P50:    emptyStruct,
 		P60:    emptyStruct,
 		P70:    emptyStruct,
+		P75:    emptyStruct,
 		P80:    emptyStruct,
 		P90:    emptyStruct,
 		P95:    emptyStruct,
@@ -114,11 +118,13 @@ var (
 		Stdev:  []byte("stdev"),
 		P10:    []byte("p10"),
 		P20:    []byte("p20"),
+		P25:    []byte("p25"),
 		P30:    []byte("p30"),
 		P40:    []byte("p40"),
 		P50:    []byte("p50"),
 		P60:    []byte("p60"),
 		P70:    []byte("p70"),
+		P75:    []byte("p75"),
 		P80:    []byte("p80"),
 		P90:    []byte("p90"),
 		P95:    []byte("p95"),
@@ -130,11 +136,13 @@ var (
 	typeQuantileBytes = map[Type][]byte{
 		P10:   []byte("0.1"),
 		P20:   []byte("0.2"),
+		P25:   []byte("0.25"),
 		P30:   []byte("0.3"),
 		P40:   []byte("0.4"),
 		P50:   []byte("0.5"),
 		P60:   []byte("0.6"),
 		P70:   []byte("0.7"),
+		P75:   []byte("0.75"),
 		P80:   []byte("0.8"),
 		P90:   []byte("0.9"),
 		P95:   []byte("0.95"),
@@ -204,6 +212,8 @@ func (a Type) Quantile() (float64, bool) {
 		return 0.1, true
 	case P20:
 		return 0.2, true
+	case P25:
+		return 0.25, true
 	case P30:
 		return 0.3, true
 	case P40:
@@ -214,6 +224,8 @@ func (a Type) Quantile() (float64, bool) {
 		return 0.6, true
 	case P70:
 		return 0.7, true
+	case P75:
+		return 0.75, true
 	case P80:
 		return 0.8, true
 	case P90:
diff --git a/src/metrics/aggregation/type_string.go b/src/metrics/aggregation/type_string.go
index d62ed64c18..4ee7ce7b80 100644
--- a/src/metrics/aggregation/type_string.go
+++ b/src/metrics/aggregation/type_string.go
@@ -24,11 +24,11 @@ package aggregation
 
 import "fmt"
 
-const _Type_name = "UnknownTypeLastMinMaxMeanMedianCountSumSumSqStdevP10P20P30P40P50P60P70P80P90P95P99P999P9999"
+const _Type_name = "UnknownTypeLastMinMaxMeanMedianCountSumSumSqStdevP10P20P30P40P50P60P70P80P90P95P99P999P9999P25P75"
 
-var _Type_name_bytes = []byte("UnknownTypeLastMinMaxMeanMedianCountSumSumSqStdevP10P20P30P40P50P60P70P80P90P95P99P999P9999")
+var _Type_name_bytes = []byte("UnknownTypeLastMinMaxMeanMedianCountSumSumSqStdevP10P20P30P40P50P60P70P80P90P95P99P999P9999P25P75")
 
-var _Type_index = [...]uint8{0, 11, 15, 18, 21, 25, 31, 36, 39, 44, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 86, 91}
+var _Type_index = [...]uint8{0, 11, 15, 18, 21, 25, 31, 36, 39, 44, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 86, 91, 94, 97}
 
 func (i Type) String() string {
 	if i < 0 || i >= Type(len(_Type_index)-1) {
diff --git a/src/metrics/aggregation/type_test.go b/src/metrics/aggregation/type_test.go
index 4a6301bc21..29d9fc3d55 100644
--- a/src/metrics/aggregation/type_test.go
+++ b/src/metrics/aggregation/type_test.go
@@ -33,13 +33,13 @@ import (
 )
 
 func TestTypeIsValid(t *testing.T) {
-	require.True(t, P9999.IsValid())
-	require.False(t, Type(int(P9999)+1).IsValid())
+	require.True(t, P75.IsValid())
+	require.False(t, Type(int(P75)+1).IsValid())
 }
 
 func TestTypeMaxID(t *testing.T) {
-	require.Equal(t, maxTypeID, P9999.ID())
-	require.Equal(t, P9999, Type(maxTypeID))
+	require.Equal(t, maxTypeID, P75.ID())
+	require.Equal(t, P75, Type(maxTypeID))
 	require.Equal(t, maxTypeID, len(ValidTypes))
 }
 
@@ -303,8 +303,12 @@ func TestQuantiles(t *testing.T) {
 	require.Nil(t, res3)
 	require.False(t, ok)
 
-	res4, ok := Types{P10, P20, P30, P40, P50, Median, P60, P70, P80, P90, P95, P99, P999, P9999}.PooledQuantiles(p)
-	require.Equal(t, []float64{0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.95, 0.99, 0.999, 0.9999}, res4)
+	res4, ok := Types{P10, P20, P25, P30, P40, P50, Median, P60, P70, P75, P80, P90, P95, P99, P999, P9999}.
+		PooledQuantiles(p)
+	require.Equal(
+		t,
+		[]float64{0.1, 0.2, 0.25, 0.3, 0.4, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 0.95, 0.99, 0.999, 0.9999},
+		res4)
 	require.True(t, ok)
 }
 
diff --git a/src/metrics/generated/proto/aggregationpb/aggregation.pb.go b/src/metrics/generated/proto/aggregationpb/aggregation.pb.go
index 300cd31d18..4cd53dd643 100644
--- a/src/metrics/generated/proto/aggregationpb/aggregation.pb.go
+++ b/src/metrics/generated/proto/aggregationpb/aggregation.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-gogo. DO NOT EDIT.
 // source: github.com/m3db/m3/src/metrics/generated/proto/aggregationpb/aggregation.proto
 
-// Copyright (c) 2020 Uber Technologies, Inc.
+// Copyright (c) 2021 Uber Technologies, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -75,6 +75,8 @@ const (
 	AggregationType_P99     AggregationType = 20
 	AggregationType_P999    AggregationType = 21
 	AggregationType_P9999   AggregationType = 22
+	AggregationType_P25     AggregationType = 23
+	AggregationType_P75     AggregationType = 24
 )
 
 var AggregationType_name = map[int32]string{
@@ -101,6 +103,8 @@ var AggregationType_name = map[int32]string{
 	20: "P99",
 	21: "P999",
 	22: "P9999",
+	23: "P25",
+	24: "P75",
 }
 var AggregationType_value = map[string]int32{
 	"UNKNOWN": 0,
@@ -126,6 +130,8 @@ var AggregationType_value = map[string]int32{
 	"P99":     20,
 	"P999":    21,
 	"P9999":   22,
+	"P25":     23,
+	"P75":     24,
 }
 
 func (x AggregationType) String() string {
@@ -388,25 +394,26 @@ func init() {
 }
 
 var fileDescriptorAggregation = []byte{
-	// 320 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0xd1, 0x3d, 0x4e, 0xc3, 0x30,
-	0x1c, 0x05, 0xf0, 0xba, 0xdf, 0x75, 0x69, 0xfb, 0xc7, 0x7c, 0x88, 0x29, 0x20, 0x26, 0xc4, 0x50,
-	0x1b, 0x42, 0x81, 0x48, 0x2c, 0x81, 0x76, 0xa8, 0x20, 0x6e, 0x21, 0x09, 0x20, 0xb6, 0xa6, 0x89,
-	0x42, 0x86, 0x34, 0x55, 0x1a, 0x06, 0x6e, 0xc1, 0xb1, 0x18, 0x39, 0x02, 0x0a, 0x37, 0xe0, 0x04,
-	0xc8, 0xff, 0x0e, 0x94, 0x99, 0xed, 0xe7, 0xf7, 0x9e, 0x64, 0x4b, 0xa6, 0x32, 0x8c, 0xb2, 0xe7,
-	0x17, 0xaf, 0x3b, 0x4d, 0x62, 0x1e, 0xeb, 0xbe, 0xc7, 0x63, 0x9d, 0x2f, 0xd2, 0x29, 0x8f, 0x83,
-	0x2c, 0x8d, 0xa6, 0x0b, 0x1e, 0x06, 0xb3, 0x20, 0x9d, 0x64, 0x81, 0xcf, 0xe7, 0x69, 0x92, 0x25,
-	0x7c, 0x12, 0x86, 0x69, 0x10, 0x4e, 0xb2, 0x28, 0x99, 0xcd, 0xbd, 0xd5, 0x53, 0x17, 0x7b, 0xd6,
-	0xfa, 0x33, 0xd8, 0xdf, 0xa5, 0x2d, 0xf3, 0x37, 0x18, 0xf6, 0x59, 0x9b, 0x16, 0x23, 0x7f, 0x87,
-	0xec, 0x91, 0x83, 0xf2, 0x5d, 0x31, 0xf2, 0x0f, 0xbf, 0x09, 0xed, 0xac, 0x2c, 0x9c, 0xd7, 0x79,
-	0xc0, 0x9a, 0xb4, 0xe6, 0xca, 0x6b, 0x39, 0x7a, 0x90, 0x50, 0x60, 0x75, 0x5a, 0xbe, 0x31, 0x6d,
-	0x07, 0x08, 0xab, 0xd1, 0x92, 0x35, 0x94, 0x50, 0x44, 0x98, 0x8f, 0x50, 0x52, 0x9d, 0x35, 0x30,
-	0x25, 0x94, 0x19, 0xa5, 0x55, 0x6b, 0xd0, 0x1f, 0x9a, 0x12, 0x2a, 0xac, 0x41, 0x2b, 0x57, 0x23,
-	0x57, 0x3a, 0x50, 0x55, 0x4b, 0xdb, 0xb5, 0xa0, 0xa6, 0x32, 0xdb, 0xb5, 0xec, 0x5b, 0xa8, 0x23,
-	0x9d, 0xfe, 0xe0, 0x1e, 0x1a, 0xaa, 0x1e, 0x1f, 0x09, 0xa0, 0x88, 0x63, 0x01, 0x4d, 0x84, 0x2e,
-	0x60, 0x0d, 0x71, 0x22, 0xa0, 0x85, 0xe8, 0x09, 0x68, 0x23, 0x4e, 0x05, 0x74, 0x10, 0x67, 0x02,
-	0x00, 0x71, 0x2e, 0x60, 0x1d, 0x61, 0x08, 0x60, 0x4b, 0xf4, 0x60, 0x63, 0x09, 0x03, 0x36, 0xd5,
-	0x13, 0xc7, 0x86, 0x61, 0xc0, 0x96, 0xba, 0x57, 0xc9, 0x80, 0xed, 0x4b, 0xf9, 0x9e, 0x6b, 0xe4,
-	0x23, 0xd7, 0xc8, 0x67, 0xae, 0x91, 0xb7, 0x2f, 0xad, 0xf0, 0x74, 0xf1, 0x9f, 0x6f, 0xf0, 0xaa,
-	0x18, 0xea, 0x3f, 0x01, 0x00, 0x00, 0xff, 0xff, 0x82, 0xc4, 0x3c, 0xea, 0xcd, 0x01, 0x00, 0x00,
+	// 328 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0xd1, 0xbb, 0x4e, 0xc3, 0x30,
+	0x14, 0x06, 0xe0, 0x26, 0xbd, 0xbb, 0xb4, 0x3d, 0x98, 0x5b, 0xa7, 0x80, 0x98, 0x10, 0x43, 0x6d,
+	0x08, 0x01, 0x22, 0xb1, 0x04, 0xda, 0xa1, 0x82, 0xb8, 0x85, 0x24, 0x80, 0xd8, 0x9a, 0xc6, 0x0a,
+	0x19, 0xd2, 0x54, 0x69, 0x18, 0xd8, 0x79, 0x00, 0x1e, 0x8b, 0x91, 0x47, 0x40, 0xe1, 0x45, 0x90,
+	0x9d, 0x81, 0x32, 0xb3, 0x7d, 0x3e, 0xff, 0x2f, 0x1f, 0x4b, 0x46, 0x2c, 0x8c, 0xb2, 0xe7, 0x17,
+	0xbf, 0x3f, 0x4b, 0x62, 0x12, 0xeb, 0x81, 0x4f, 0x62, 0x9d, 0x2c, 0xd3, 0x19, 0x89, 0x79, 0x96,
+	0x46, 0xb3, 0x25, 0x09, 0xf9, 0x9c, 0xa7, 0xd3, 0x8c, 0x07, 0x64, 0x91, 0x26, 0x59, 0x42, 0xa6,
+	0x61, 0x98, 0xf2, 0x70, 0x9a, 0x45, 0xc9, 0x7c, 0xe1, 0xaf, 0x9e, 0xfa, 0x32, 0xc7, 0xed, 0x3f,
+	0x85, 0xfd, 0x5d, 0xd4, 0xb6, 0x7e, 0x07, 0xa3, 0x01, 0xee, 0x20, 0x35, 0x0a, 0x7a, 0xca, 0x9e,
+	0x72, 0x50, 0xb9, 0x53, 0xa3, 0xe0, 0xf0, 0x4d, 0x45, 0xdd, 0x95, 0x86, 0xfb, 0xba, 0xe0, 0xb8,
+	0x85, 0xea, 0x1e, 0xbb, 0x66, 0xe3, 0x07, 0x06, 0x25, 0xdc, 0x40, 0x95, 0x1b, 0xcb, 0x71, 0x41,
+	0xc1, 0x75, 0x54, 0xb6, 0x47, 0x0c, 0x54, 0x09, 0xeb, 0x11, 0xca, 0x22, 0xb3, 0x87, 0x16, 0x83,
+	0x0a, 0x46, 0xa8, 0x66, 0x0f, 0x07, 0x23, 0x8b, 0x41, 0x15, 0x37, 0x51, 0xf5, 0x6a, 0xec, 0x31,
+	0x17, 0x6a, 0xa2, 0xe9, 0x78, 0x36, 0xd4, 0xc5, 0xcc, 0xf1, 0x6c, 0xe7, 0x16, 0x1a, 0x92, 0xee,
+	0x60, 0x78, 0x0f, 0x4d, 0x11, 0x4f, 0x8e, 0x28, 0x20, 0x89, 0x63, 0x0a, 0x2d, 0x09, 0x9d, 0xc2,
+	0x9a, 0xc4, 0x09, 0x85, 0xb6, 0x84, 0x41, 0xa1, 0x23, 0x71, 0x4a, 0xa1, 0x2b, 0x71, 0x46, 0x01,
+	0x24, 0xce, 0x29, 0xac, 0x4b, 0x98, 0x14, 0x70, 0x01, 0x03, 0x36, 0x0a, 0x98, 0xb0, 0x29, 0x9e,
+	0x38, 0x31, 0x4d, 0x13, 0xb6, 0xc4, 0x5e, 0x21, 0x13, 0xb6, 0x8b, 0x75, 0x06, 0xec, 0x14, 0x57,
+	0x19, 0xd0, 0xbb, 0x64, 0x1f, 0xb9, 0xa6, 0x7c, 0xe6, 0x9a, 0xf2, 0x95, 0x6b, 0xca, 0xfb, 0xb7,
+	0x56, 0x7a, 0xba, 0xf8, 0xcf, 0xc7, 0xf8, 0x35, 0x39, 0xd4, 0x7f, 0x02, 0x00, 0x00, 0xff, 0xff,
+	0xe6, 0x7e, 0xf0, 0xe7, 0xdf, 0x01, 0x00, 0x00,
 }
diff --git a/src/metrics/generated/proto/aggregationpb/aggregation.proto b/src/metrics/generated/proto/aggregationpb/aggregation.proto
index 66b7eb8c6d..bf847dc594 100644
--- a/src/metrics/generated/proto/aggregationpb/aggregation.proto
+++ b/src/metrics/generated/proto/aggregationpb/aggregation.proto
@@ -48,6 +48,8 @@ enum AggregationType {
   P99 = 20;
   P999 = 21;
   P9999 = 22;
+  P25 = 23;
+  P75 = 24;
 }
 
 // AggregationID is a unique identifier uniquely identifying