SWStonkWhisper

HRZN Dark Pool Activity

ATS off-exchange volume intelligence · Week of 2026-07-06

DP Shares
246.6K
Notional Value
$1.1M
WoW Change
+29.9%

HRZN dark pool volume for the week of 2026-07-06: 246.6K shares traded across 23 ATS venues with a total notional value of $1.1M. Volume is up 29.9% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, CROSSSTREAM.

Dark pool activity in HRZN reflects institutional order flow executing on Alternative Trading Systems (ATS) registered with the SEC — private venues where large-block trades are matched away from public exchanges to minimize price impact. StonkWhisper ingests FINRA-published ATS volume data to track these off-exchange flows. Sustained elevation in dark pool percentage — particularly when concentrated at specific venues — can indicate institutional accumulation or distribution ahead of significant price moves. The interactive charts below show 12-week historical volume and complete venue breakdown for HRZN.

DP Shares
246.6K
Notional
$1.1M
DP % of Vol
WoW Change
+29.9%
Venues
23
Weekly Dark Pool Volume — 12 Weeks

Weekly History

WeekSharesDP %WoW
2026-07-06246.6K+29.9%
2026-06-29189.9K-47.8%
2026-06-22363.4K+7.8%
2026-06-15337.2K-28.3%
2026-06-08470.1K-33.0%
2026-06-01702.1K+129.3%
2026-05-25306.1K-23.8%
2026-05-18401.8K-12.3%
2026-05-11458.1K-29.5%
2026-05-04649.8K+6.6%
2026-04-27609.7K
2026-03-23415.2K-8.2%

ATS Venue Breakdown (latest week)

246.6K
4.0K trades
INCR
INTELLIGENT CROSS LLC
49.6K
1.6K trades
XSTM
CROSSSTREAM
31.0K
50 trades
EBXL
LEVEL ATS
29.1K
252 trades
MSTX
MS TRAJECTORY CROSS (ATS-1)
22.4K
615 trades
MLIX
INSTINCT X
21.8K
214 trades
BIDS
BIDS ATS
14.0K
23 trades
UBSA
UBS ATS
12.3K
228 trades
SGMT
SIGMA X2
11.0K
226 trades
MSPL
MS POOL (ATS-4)
8.2K
52 trades
JPMX
JPM-X
7.0K
42 trades
IATS
IBKR ATS
5.7K
17 trades
LATS
THE BARCLAYS ATS
5.7K
41 trades
CGXS
ONECHRONOS
5.0K
80 trades
KCGM
VIRTU MATCHIT ATS
4.5K
53 trades
PURE
PURESTREAM
4.5K
320 trades
JPBX
JPB-X
3.9K
93 trades
ICBX
CBX
2.8K
9 trades
ITGP
POSIT
2.0K
11 trades
MSRP
MS RPOOL (ATS-6)
1.9K
29 trades
BNPX
BNPP CORTEX ATS
1.8K
21 trades
ONEC
CITI-ONE ATS
1.8K
18 trades
ALPX
ALPHAX US
600
2 trades
BLUE
BOATS
16
8 trades