Dark

AVTR
Avantor, Inc.
stock NYSE

At Close

Sep 22, 2026 3:59:59 PM EDT

14.95USD-0.993%(-0.15)11,164,032

14.41Bid 15.94Ask 1.53Spread

Pre-market

Sep 22, 2026 8:49:30 AM EDT

15.13USD+0.199%(+0.03)697

After-hours

Sep 22, 2026 4:10:30 PM EDT

14.94USD-0.067%(-0.01)711

OverviewOptionsHistoricalExchange VolumeShortsMore

AVTR Volume Sep 22, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	39.98	4,461,731	40.33
NYSE	25.09	2,800,441	28.74
IEX	8.52	951,325	8.43
Nasdaq GSM	8.05	898,424	8.38
Cboe BZX	6.74	752,488	4.17
NYSE Arca	5.05	563,915	3.99
Cboe EDGX	1.70	190,044	1.67
MEMX	1.46	162,514	0.95
Cboe EDGA	0.78	86,903	0.74
NYSE National	0.70	77,757	0.78
MIAX Pearl	0.63	70,821	0.34
Cboe BYX	0.59	65,485	0.83
Nasdaq PHLX	0.25	28,308	0.11
Texas Stock Exchange LLC	0.19	20,790	0.06
Nasdaq BX	0.13	14,921	0.28
CHX	0.08	9,282	0.06
NYSE American	0.05	5,191	0.11
24X National	0.00	380	0.02
LTSE	0.00	0	0.00

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

AVTR Nutrition Facts

1.51 servings per container

Serving size

7.38M

Calories

11.16M

% Day

% Avg

Off Exchange¹ 4M

39.98%

40.33%

NYSE 3M

25.09%

28.74%

IEX 951K

8.52%

8.43%

Nasdaq GSM 898K

8.05%

8.38%

Cboe BZX 752K

6.74%

4.17%

NYSE Arca 564K

5.05%

3.99%

Cboe EDGX 190K

1.70%

1.67%

MEMX 163K

1.46%

0.95%

Cboe EDGA 87K

0.78%

0.74%

NYSE National 78K

0.70%

0.78%

MIAX Pearl 71K

0.63%

0.34%

Cboe BYX 65K

0.59%

0.83%

Nasdaq PHLX 28K

0.25%

0.11%

Texas Stock Exchange LLC 21K

0.19%

0.06%

Nasdaq BX 15K

0.13%

0.28%

CHX 9K

0.08%

0.06%

NYSE American 5K

0.05%

0.11%

24X National 380

0.00%

0.02%

LTSE 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

AVTR Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 4,461,731, which is 39.98% of today's total volume.
Today's Lit volume is 6,698,989, which is 60.02%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.33%.
The average Lit volume has been 59.67%.

AVTR Volume by Exchange

Off Exchange

NYSE

IEX

Nasdaq GSM

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

Cboe EDGA

NYSE National

MIAX Pearl