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IONS
Ionis Pharmaceuticals, Inc. Common Stock
stock NASDAQ

At Close

Sep 10, 2026 3:59:54 PM EDT

55.62USD-0.714%(-0.40)3,057,310

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 10, 2026 9:15:30 AM EDT

55.50USD-0.928%(-0.52)3,864

After-hours

Sep 10, 2026 4:00:30 PM EDT

55.65USD+0.054%(+0.03)603,784

OverviewOptionsHistoricalExchange VolumeShortsMore

IONS Volume Sep 10, 2026

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Exchange	Day%	Volume	30D%
Nasdaq GSM	38.68	1,182,559	36.02
Off Exchange¹	37.88	1,157,940	44.53
IEX	7.58	231,624	5.30
NYSE Arca	5.90	180,286	5.06
Cboe BZX	2.94	89,813	3.17
Cboe EDGX	2.49	76,190	2.08
NYSE	1.07	32,789	1.06
MEMX	0.85	25,880	0.62
Cboe EDGA	0.54	16,518	0.44
Nasdaq BX	0.51	15,646	0.22
NYSE American	0.33	10,071	0.14
CHX	0.29	8,879	0.26
NYSE National	0.29	8,730	0.17
MIAX Pearl	0.25	7,703	0.24
Cboe BYX	0.24	7,393	0.53
Nasdaq PHLX	0.14	4,422	0.13
Texas Stock Exchange LLC	0.02	490	0.01
24X National	0.00	130	0.02
LTSE	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

1.16 servings per container

Serving size

2.63M

Calories

3.06M

% Day

% Avg

Nasdaq GSM 1M

38.68%

36.02%

Off Exchange¹ 1M

37.88%

44.53%

IEX 232K

7.58%

5.30%

NYSE Arca 180K

5.90%

5.06%

Cboe BZX 90K

2.94%

3.17%

Cboe EDGX 76K

2.49%

2.08%

NYSE 33K

1.07%

1.06%

MEMX 26K

0.85%

0.62%

Cboe EDGA 17K

0.54%

0.44%

Nasdaq BX 16K

0.51%

0.22%

NYSE American 10K

0.33%

0.14%

CHX 9K

0.29%

0.26%

NYSE National 9K

0.29%

0.17%

MIAX Pearl 8K

0.25%

0.24%

Cboe BYX 7K

0.24%

0.53%

Nasdaq PHLX 4K

0.14%

0.13%

Texas Stock Exchange LLC 490

0.02%

0.01%

24X National 130

0.00%

0.02%

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 1,157,940, which is 37.88% of today's total volume.
Today's Lit volume is 1,899,123, which is 62.12%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.53%.
The average Lit volume has been 55.47%.

IONS Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

Nasdaq BX

NYSE American