Dark

IONS
Ionis Pharmaceuticals, Inc. Common Stock
stock NASDAQ

At Close

Feb 6, 2026 3:59:57 PM EST

86.52USD+3.642%(+3.04)1,996,508

0.00Bid 0.00Ask 0.00Spread

Pre-market

Feb 6, 2026 9:28:00 AM EST

84.99USD+1.809%(+1.51)10

After-hours

Feb 6, 2026 4:50:30 PM EST

86.73USD+0.246%(+0.21)22,055

OverviewOptionsHistoricalDark Pool LevelsShortsMore

IONS Volume Feb 6, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	49.36	985,460	52.56
Nasdaq GSM	31.87	636,335	29.47
IEX	4.25	84,903	4.70
NYSE Arca	4.16	83,074	3.78
Cboe BZX	2.38	47,574	2.54
Cboe EDGX	1.78	35,519	1.99
Cboe BYX	1.59	31,797	0.48
MEMX	1.14	22,848	1.34
NYSE	0.94	18,790	1.10
Cboe EDGA	0.87	17,396	0.47
NYSE National	0.65	12,973	0.23
Nasdaq BX	0.52	10,325	0.33
MIAX Pearl	0.21	4,126	0.21
Nasdaq PHLX	0.15	2,916	0.14
CHX	0.08	1,544	0.61
NYSE American	0.05	928	0.07
LTSE	0.00	0	0.00
24X National Exchange LLC	0.00	0	0.00

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

IONS Nutrition Facts

0.94 servings per container

Serving size

2.13M

Calories

2.00M

% Day

% Avg

Off Exchange¹ 985K

49.36%

52.56%

Nasdaq GSM 636K

31.87%

29.47%

IEX 85K

4.25%

4.70%

NYSE Arca 83K

4.16%

3.78%

Cboe BZX 48K

2.38%

2.54%

Cboe EDGX 36K

1.78%

1.99%

Cboe BYX 32K

1.59%

0.48%

MEMX 23K

1.14%

1.34%

NYSE 19K

0.94%

1.10%

Cboe EDGA 17K

0.87%

0.47%

NYSE National 13K

0.65%

0.23%

Nasdaq BX 10K

0.52%

0.33%

MIAX Pearl 4K

0.21%

Nasdaq PHLX 3K

0.15%

0.14%

CHX 2K

0.08%

0.61%

NYSE American 928

0.05%

0.07%

LTSE 0

0.00%

24X National 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 985,460, which is 49.36% of today's total volume.
Today's Lit volume is 1,011,048, which is 50.64%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 52.56%.
The average Lit volume has been 47.44%.

IONS Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

Cboe BYX

MEMX

NYSE

Cboe EDGA

NYSE National