SWStonkWhisper

CSGS Dark Pool Activity

ATS off-exchange volume intelligence · Week of 2026-05-11

DP Shares
641.8K
Notional Value
$51.8M
WoW Change
+51.7%

CSGS dark pool volume for the week of 2026-05-11: 641.8K shares traded across 25 ATS venues with a total notional value of $51.8M. Volume is up 51.7% week-over-week. Primary routing venues include , MS POOL (ATS-4), INTELLIGENT CROSS LLC.

Dark pool activity in CSGS 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 CSGS.

DP Shares
641.8K
Notional
$51.8M
DP % of Vol
WoW Change
+51.7%
Venues
25
Weekly Dark Pool Volume — 12 Weeks

Weekly History

WeekSharesDP %WoW
2026-05-11641.8K+51.7%
2026-05-04423.2K+19.5%
2026-04-27354.1K
2026-03-23480.1K-15.5%
2026-03-16568.4K-25.3%
2026-03-09761.4K
2026-02-02768.5K+109.4%
2026-01-26366.9K+60.4%
2026-01-19228.8K-70.2%
2026-01-12767.3K-43.3%
2026-01-051.4M+232.4%
2025-12-29407.3K+2.6%

ATS Venue Breakdown (latest week)

641.8K
12.4K trades
MSPL
MS POOL (ATS-4)
116.6K
393 trades
INCR
INTELLIGENT CROSS LLC
102.0K
2.0K trades
BIDS
BIDS ATS
95.2K
131 trades
UBSA
UBS ATS
85.4K
1.4K trades
SGMT
SIGMA X2
41.9K
1.3K trades
BLKX
INSTINET BLOCKCROSS
32.7K
4 trades
CGXS
ONECHRONOS
26.1K
321 trades
MLIX
INSTINCT X
25.2K
467 trades
EBXL
LEVEL ATS
23.0K
3.2K trades
MSTX
MS TRAJECTORY CROSS (ATS-1)
16.8K
1.6K trades
JPMX
JPM-X
15.9K
276 trades
LATS
THE BARCLAYS ATS
12.8K
216 trades
KCGM
VIRTU MATCHIT ATS
9.6K
130 trades
MSRP
MS RPOOL (ATS-6)
6.9K
287 trades
ITGP
POSIT
6.1K
19 trades
JPBX
JPB-X
4.9K
196 trades
STFX
STIFEL X
4.5K
16 trades
PURE
PURESTREAM
2.9K
220 trades
IATS
IBKR ATS
2.9K
113 trades
XSTM
CROSSSTREAM
2.6K
17 trades
ICBX
CBX
2.6K
79 trades
ONEC
CITI-ONE ATS
2.1K
24 trades
LQNA
LIQUIDNET H2O ATS
1.7K
7 trades
BNPX
BNPP CORTEX ATS
1.5K
32 trades
ALPX
ALPHAX US
29
2 trades