Dark

IONS
Ionis Pharmaceuticals, Inc. Common Stock
stock NASDAQ

At Close

May 30, 2025 3:59:56 PM EDT

33.49USD+0.090%(+0.03)1,654,650

0.00Bid 0.00Ask 0.00Spread

Pre-market

May 27, 2025 8:36:30 AM EDT

34.61USD+3.430%(+1.15)0

After-hours

May 30, 2025 4:05:30 PM EDT

33.51USD0.000%(0.00)23,034

OverviewOptionsHistoricalExchange VolumeShortsMore

IONS Volume May 30, 2025

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	41.73	690,525	37.71
Off Exchange¹	34.02	562,894	43.65
IEX	8.88	146,951	5.36
NYSE Arca	3.79	62,672	3.64
Cboe BZX	3.67	60,757	3.35
Cboe EDGX	3.01	49,749	2.21
NYSE	1.40	23,240	1.29
MEMX	1.20	19,882	0.67
Cboe EDGA	0.56	9,252	0.36
Cboe BYX	0.52	8,652	0.67
Nasdaq BX	0.50	8,353	0.41
MIAX Pearl	0.31	5,061	0.19
NYSE National	0.29	4,840	0.24
Nasdaq PHLX	0.07	1,105	0.13
NYSE American	0.04	637	0.10
CHX	0.00	80	0.03
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.

IONS Nutrition Facts

1.10 servings per container

Serving size

1.50M

Calories

1.65M

% Day

% Avg

Nasdaq GSM 691K

41.73%

37.71%

Off Exchange¹ 563K

34.02%

43.65%

IEX 147K

8.88%

5.36%

NYSE Arca 63K

3.79%

3.64%

Cboe BZX 61K

3.67%

3.35%

Cboe EDGX 50K

3.01%

2.21%

NYSE 23K

1.40%

1.29%

MEMX 20K

1.20%

0.67%

Cboe EDGA 9K

0.56%

0.36%

Cboe BYX 9K

0.52%

0.67%

Nasdaq BX 8K

0.50%

0.41%

MIAX Pearl 5K

0.31%

0.19%

NYSE National 5K

0.29%

0.24%

Nasdaq PHLX 1K

0.07%

0.13%

NYSE American 637

0.04%

0.10%

CHX 80

0.00%

0.03%

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

IONS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 562,894, which is 34.02% of today's total volume.
Today's Lit volume is 1,091,756, which is 65.98%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.65%.
The average Lit volume has been 56.35%.

IONS Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

Cboe BYX

Nasdaq BX