Dark

TMO
Thermo Fisher Scientific, Inc.
stock NYSE

Market Open

Sep 29, 2026 2:50:10 PM EDT

676.85USD-0.257%(-1.75)922,602

668.00Bid 676.78Ask 8.78Spread

Pre-market

Sep 29, 2026 9:18:30 AM EDT

676.09USD-0.370%(-2.51)110

After-hours

Sep 28, 2026 4:41:30 PM EDT

678.60USD+0.047%(+0.32)0

OverviewOptionsHistoricalExchange VolumeShortsMore

TMO Volume Sep 29, 2026 2:25:03 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	56.44	497,571	48.38
NYSE	9.86	86,912	26.53
CHX	7.62	67,221	0.72
IEX	6.79	59,883	5.66
Nasdaq GSM	6.43	56,673	7.47
Cboe BZX	4.25	37,505	3.95
NYSE Arca	2.92	25,713	2.83
Cboe EDGX	2.18	19,260	1.48
MEMX	0.85	7,494	0.63
Cboe BYX	0.77	6,747	0.68
NYSE National	0.61	5,390	0.36
Nasdaq BX	0.49	4,330	0.50
Cboe EDGA	0.49	4,290	0.38
MIAX Pearl	0.08	745	0.16
Nasdaq PHLX	0.08	684	0.13
NYSE American	0.08	679	0.12
Texas Stock Exchange LLC	0.06	500	0.01
24X National	0.00	34	0.01

chartexchange.com

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

TMO Nutrition Facts

0.43 servings per container

Serving size

2.04M

Calories

881.63K

% Day

% Avg

Off Exchange¹ 498K

56.44%

48.38%

NYSE 87K

9.86%

26.53%

CHX 67K

7.62%

0.72%

IEX 60K

6.79%

5.66%

Nasdaq GSM 57K

6.43%

7.47%

Cboe BZX 38K

4.25%

3.95%

NYSE Arca 26K

2.92%

2.83%

Cboe EDGX 19K

2.18%

1.48%

MEMX 7K

0.85%

0.63%

Cboe BYX 7K

0.77%

0.68%

NYSE National 5K

0.61%

0.36%

Nasdaq BX 4K

0.49%

0.50%

Cboe EDGA 4K

0.49%

0.38%

MIAX Pearl 745

0.08%

0.16%

Nasdaq PHLX 684

0.08%

0.13%

NYSE American 679

0.08%

0.12%

Texas Stock Exchange LLC 500

0.06%

0.01%

24X National 34

0.00%

0.01%

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

chartexchange.com

TMO Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 497,571, which is 56.44% of today's total volume.
Today's Lit volume is 384,060, which is 43.56%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 48.38%.
The average Lit volume has been 51.62%.

TMO Volume by Exchange

Off Exchange

NYSE

CHX

IEX

Nasdaq GSM

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

Cboe BYX

NYSE National