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IONS
Ionis Pharmaceuticals, Inc. Common Stock
stock NASDAQ

Market Open

Jul 27, 2026 2:43:51 PM EDT

55.87USD-1.211%(-0.68)1,310,139

55.83Bid 55.90Ask 0.07Spread

Pre-market

Jul 27, 2026 9:29:21 AM EDT

56.68USD+0.230%(+0.13)1,435

After-hours

Jul 24, 2026 4:02:30 PM EDT

56.55USD+0.018%(+0.01)0

OverviewOptionsHistoricalExchange VolumeShortsMore

IONS Volume Jul 27, 2026 2:25:00 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	55.51	688,589	48.98
Nasdaq GSM	15.20	188,596	29.95
IEX	8.44	104,662	5.62
NYSE Arca	7.93	98,416	5.79
Cboe EDGX	2.91	36,037	2.08
Cboe BZX	2.76	34,282	3.34
Cboe BYX	2.11	26,190	0.54
NYSE	1.54	19,063	1.00
MEMX	1.49	18,459	0.92
MIAX Pearl	0.55	6,769	0.23
NYSE National	0.47	5,796	0.27
Nasdaq BX	0.44	5,426	0.28
Cboe EDGA	0.32	3,909	0.53
NYSE American	0.18	2,240	0.11
Nasdaq PHLX	0.14	1,717	0.11
CHX	0.01	152	0.22
24X National	0.01	100	0.01
LTSE	0.00	0	0.00
Texas Stock Exchange LLC	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.

IONS Nutrition Facts

0.33 servings per container

Serving size

3.76M

Calories

1.24M

% Day

% Avg

Off Exchange¹ 689K

55.51%

48.98%

Nasdaq GSM 189K

15.20%

29.95%

IEX 105K

8.44%

5.62%

NYSE Arca 98K

7.93%

5.79%

Cboe EDGX 36K

2.91%

2.08%

Cboe BZX 34K

2.76%

3.34%

Cboe BYX 26K

2.11%

0.54%

NYSE 19K

1.54%

1.00%

MEMX 18K

1.49%

0.92%

MIAX Pearl 7K

0.55%

0.23%

NYSE National 6K

0.47%

0.27%

Nasdaq BX 5K

0.44%

0.28%

Cboe EDGA 4K

0.32%

0.53%

NYSE American 2K

0.18%

0.11%

Nasdaq PHLX 2K

0.14%

0.11%

CHX 152

0.01%

0.22%

24X National 100

0.01%

LTSE 0

0.00%

Texas Stock Exchange LLC 0

0.00%

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

chartexchange.com

IONS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 688,589, which is 55.51% of today's total volume.
Today's Lit volume is 551,814, which is 44.49%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 48.98%.
The average Lit volume has been 51.02%.

IONS Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe EDGX

Cboe BZX

Cboe BYX

NYSE

MEMX

MIAX Pearl

NYSE National