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IONS
Ionis Pharmaceuticals, Inc. Common Stock
stock NASDAQ

At Close

Mar 27, 2026 3:59:59 PM EDT

72.15USD-2.808%(-2.09)1,948,253

68.56Bid 76.64Ask 8.08Spread

Pre-market

Mar 27, 2026 8:15:30 AM EDT

74.10USD-0.189%(-0.14)543

After-hours

Mar 27, 2026 4:34:30 PM EDT

72.15USD-0.007%(0.00)35,523

OverviewOptionsHistoricalDark Pool PrintsShortsMore

IONS Volume Mar 27, 2026

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	40.88	796,407	33.88
Off Exchange¹	39.76	774,588	44.20
IEX	6.16	119,996	5.22
NYSE Arca	4.07	79,309	5.25
Cboe BZX	3.53	68,757	3.42
Cboe EDGX	1.53	29,903	2.04
NYSE	1.36	26,475	1.28
MEMX	0.87	16,931	1.45
NYSE National	0.45	8,718	0.43
Cboe BYX	0.41	7,933	0.66
Cboe EDGA	0.37	7,304	0.68
Nasdaq BX	0.22	4,217	0.42
MIAX Pearl	0.20	3,918	0.21
Nasdaq PHLX	0.11	2,184	0.16
NYSE American	0.08	1,474	0.13
CHX	0.01	105	0.57
LTSE	0.00	0	0.00
24X National	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

0.79 servings per container

Serving size

2.47M

Calories

1.95M

% Day

% Avg

Nasdaq GSM 796K

40.88%

33.88%

Off Exchange¹ 775K

39.76%

44.20%

IEX 120K

6.16%

5.22%

NYSE Arca 79K

4.07%

5.25%

Cboe BZX 69K

3.53%

3.42%

Cboe EDGX 30K

1.53%

2.04%

NYSE 26K

1.36%

1.28%

MEMX 17K

0.87%

1.45%

NYSE National 9K

0.45%

0.43%

Cboe BYX 8K

0.41%

0.66%

Cboe EDGA 7K

0.37%

0.68%

Nasdaq BX 4K

0.22%

0.42%

MIAX Pearl 4K

0.20%

0.21%

Nasdaq PHLX 2K

0.11%

0.16%

NYSE American 1K

0.08%

0.13%

CHX 105

0.01%

0.57%

LTSE 0

0.00%

24X National 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 774,588, which is 39.76% of today's total volume.
Today's Lit volume is 1,173,631, which is 60.24%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.20%.
The average Lit volume has been 55.80%.

IONS Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

NYSE National

Cboe BYX

Cboe EDGA