SWStonkWhisper

SRZN Dark Pool Activity

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

DP Shares
230.1K
Notional Value
$5.3M
WoW Change
+14.1%

SRZN dark pool volume for the week of 2026-07-06: 230.1K shares traded across 23 ATS venues with a total notional value of $5.3M. Volume is up 14.1% week-over-week. Primary routing venues include , INSTINCT X, MS POOL (ATS-4).

Dark pool activity in SRZN 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 SRZN.

DP Shares
230.1K
Notional
$5.3M
DP % of Vol
WoW Change
+14.1%
Venues
23
Weekly Dark Pool Volume — 12 Weeks

Weekly History

WeekSharesDP %WoW
2026-07-06230.1K+14.1%
2026-06-29201.6K+55.3%
2026-06-22129.9K-31.8%
2026-06-15190.3K+32.3%
2026-06-08143.9K-13.0%
2026-06-01165.3K-17.9%
2026-05-25201.5K+89.1%
2026-05-18106.5K+65.6%
2026-05-1164.3K-64.9%
2026-05-04183.2K+44.0%
2026-04-27127.2K
2026-03-23183.7K+173.5%

ATS Venue Breakdown (latest week)

230.1K
8.8K trades
MLIX
INSTINCT X
39.7K
942 trades
MSPL
MS POOL (ATS-4)
39.5K
375 trades
SGMT
SIGMA X2
21.6K
688 trades
INCR
INTELLIGENT CROSS LLC
20.8K
1.8K trades
UBSA
UBS ATS
18.3K
803 trades
XSTM
CROSSSTREAM
16.4K
279 trades
MSTX
MS TRAJECTORY CROSS (ATS-1)
15.1K
811 trades
CGXS
ONECHRONOS
14.7K
339 trades
EBXL
LEVEL ATS
9.1K
546 trades
PURE
PURESTREAM
9.1K
1.7K trades
BIDS
BIDS ATS
5.3K
9 trades
JPMX
JPM-X
4.9K
122 trades
BNPX
BNPP CORTEX ATS
4.6K
103 trades
LATS
THE BARCLAYS ATS
2.8K
69 trades
IATS
IBKR ATS
2.7K
26 trades
MSRP
MS RPOOL (ATS-6)
2.3K
47 trades
KCGM
VIRTU MATCHIT ATS
1.5K
65 trades
ONEC
CITI-ONE ATS
539
6 trades
ICBX
CBX
496
27 trades
JPBX
JPB-X
300
9 trades
ITGP
POSIT
179
9 trades
LQNA
LIQUIDNET H2O ATS
170
13 trades
ALPX
ALPHAX US
5
1 trades