SWStonkWhisper

UWMC Dark Pool Activity

ATS off-exchange volume intelligence · Week of 2026-07-20

DP Shares
13.7M
Notional Value
$25.5M
DP % of Volume
6.1%
WoW Change
+5.4%

UWMC dark pool volume for the week of 2026-07-20: 13.7M shares traded across 27 ATS venues with a total notional value of $25.5M. Volume is up 5.4% week-over-week. Off-exchange dark pool transactions account for 6.1% of total UWMC market volume — within the normal institutional baseline range. Primary routing venues include , INTELLIGENT CROSS LLC, MS TRAJECTORY CROSS (ATS-1).

Dark pool activity in UWMC 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 UWMC.

DP Shares
13.7M
Notional
$25.5M
DP % of Vol
6.1%
WoW Change
+5.4%
Venues
27
Weekly Dark Pool Volume — 12 Weeks

Weekly History

WeekSharesDP %WoW
2026-07-2013.7M6.1%+5.4%
2026-07-1313.0M5.8%-16.3%
2026-07-0615.6M6.9%-21.7%
2026-06-2919.9M8.8%-0.9%
2026-06-2220.0M10.7%-15.5%
2026-06-1523.7M30.9%+9.7%
2026-06-0821.6M28.2%+11.3%
2026-06-0119.4M17.4%+72.3%
2026-05-2511.3M10.1%-17.9%
2026-05-1813.7M12.3%-47.0%
2026-05-1125.9M23.2%+10.4%
2026-05-0423.4M21.1%+99.5%

ATS Venue Breakdown (latest week)

13.7M
51.3K trades
INCR
INTELLIGENT CROSS LLC
1.8M
5.9K trades
MSTX
MS TRAJECTORY CROSS (ATS-1)
1.6M
7.3K trades
MSPL
MS POOL (ATS-4)
1.4M
2.9K trades
EBXL
LEVEL ATS
1.4M
9.4K trades
MLIX
INSTINCT X
1.3M
3.1K trades
UBSA
UBS ATS
1.1M
3.9K trades
BIDS
BIDS ATS
1.0M
162 trades
SGMT
SIGMA X2
661.7K
4.6K trades
CGXS
ONECHRONOS
647.5K
1.6K trades
PURE
PURESTREAM
598.0K
6.5K trades
XSTM
CROSSSTREAM
440.5K
484 trades
KCGM
VIRTU MATCHIT ATS
270.1K
1.1K trades
JPMX
JPM-X
261.3K
781 trades
IATS
IBKR ATS
250.1K
220 trades
ITGP
POSIT
247.9K
196 trades
JPBX
JPB-X
226.6K
1.8K trades
LATS
THE BARCLAYS ATS
180.8K
757 trades
MSRP
MS RPOOL (ATS-6)
109.7K
82 trades
BNPX
BNPP CORTEX ATS
74.9K
128 trades
LQNA
LIQUIDNET H2O ATS
50.0K
65 trades
ICBX
CBX
34.3K
201 trades
BLKX
INSTINET BLOCKCROSS
24.6K
4 trades
ONEC
CITI-ONE ATS
13.5K
52 trades
ALPX
ALPHAX US
7.2K
106 trades
BLUE
BOATS
2.5K
17 trades
BOSS
BRUCE MARKETS, LLC.
776
7 trades
IEOS
IBKR EOS ATS
750
1 trades