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HTFL
Heartflow, Inc. Common Stock
stock NASDAQ

At Close

Aug 13, 2026 3:59:57 PM EDT

30.99USD+3.733%(+1.11)1,796,181

27.02Bid 36.05Ask 9.03Spread

Pre-market

Aug 13, 2026 9:07:30 AM EDT

30.01USD+0.469%(+0.14)434

After-hours

Aug 13, 2026 4:55:30 PM EDT

35.92USD+15.928%(+4.94)97,588

OverviewOptionsHistoricalExchange VolumeShortsTrends

HTFL Volume Aug 13, 2026

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Exchange	Day%	Volume	30D%
Nasdaq GSM	41.45	726,938	33.26
Off Exchange¹	37.48	657,243	46.17
NYSE Arca	7.25	127,209	4.61
IEX	4.17	73,148	6.05
Cboe EDGX	3.16	55,413	2.51
Cboe BZX	3.08	54,005	2.97
MEMX	1.25	21,872	0.85
NYSE	0.86	15,073	1.22
Cboe BYX	0.38	6,649	0.77
Cboe EDGA	0.30	5,235	0.55
MIAX Pearl	0.22	3,906	0.24
Nasdaq BX	0.11	1,955	0.30
LTSE	0.10	1,773	0.01
NYSE American	0.08	1,481	0.09
Nasdaq PHLX	0.06	998	0.14
NYSE National	0.03	585	0.22
Texas Stock Exchange LLC	0.00	59	0.00
CHX	0.00	28	0.05
24X National	0.00	0	0.01

chartexchange.com

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

HTFL Nutrition Facts

1.59 servings per container

Serving size

1.10M

Calories

1.75M

% Day

% Avg

Nasdaq GSM 727K

41.45%

33.26%

Off Exchange¹ 657K

37.48%

46.17%

NYSE Arca 127K

7.25%

4.61%

IEX 73K

4.17%

6.05%

Cboe EDGX 55K

3.16%

2.51%

Cboe BZX 54K

3.08%

2.97%

MEMX 22K

1.25%

0.85%

NYSE 15K

0.86%

1.22%

Cboe BYX 7K

0.38%

0.77%

Cboe EDGA 5K

0.30%

0.55%

MIAX Pearl 4K

0.22%

0.24%

Nasdaq BX 2K

0.11%

0.30%

LTSE 2K

0.10%

0.01%

NYSE American 1K

0.08%

0.09%

Nasdaq PHLX 998

0.06%

0.14%

NYSE National 585

0.03%

0.22%

Texas Stock Exchange LLC 59

0.00%

CHX 28

0.00%

0.05%

24X National 0

0.00%

0.01%

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

chartexchange.com

HTFL Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 657,243, which is 37.48% of today's total volume.
Today's Lit volume is 1,096,327, which is 62.52%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 46.17%.
The average Lit volume has been 53.83%.

HTFL Volume by Exchange

Nasdaq GSM

Off Exchange

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

MEMX

NYSE

Cboe BYX

Cboe EDGA

MIAX Pearl