SWStonkWhisper

ARWR Dark Pool Activity

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

DP Shares
4.1M
Notional Value
$345.1M
DP % of Volume
61.8%
WoW Change
+4.3%

ARWR dark pool volume for the week of 2026-07-20: 4.1M shares traded across 29 ATS venues with a total notional value of $345.1M. Volume is up 4.3% week-over-week. Off-exchange dark pool transactions account for 61.8% of total ARWR market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.

Dark pool activity in ARWR 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 ARWR.

DP Shares
4.1M
Notional
$345.1M
DP % of Vol
61.8%
WoW Change
+4.3%
Venues
29
Weekly Dark Pool Volume — 12 Weeks

Weekly History

WeekSharesDP %WoW
2026-07-204.1M61.8%+4.3%
2026-07-133.9M+20.3%
2026-07-063.2M+41.5%
2026-06-292.3M-24.2%
2026-06-223.0M+66.8%
2026-06-151.8M+1.3%
2026-06-081.8M-12.1%
2026-06-012.0M+27.8%
2026-05-251.6M-35.4%
2026-05-182.5M-4.7%
2026-05-112.6M-12.5%
2026-05-043.0M+40.8%

ATS Venue Breakdown (latest week)

4.1M
76.7K trades
INCR
INTELLIGENT CROSS LLC
534.1K
8.4K trades
UBSA
UBS ATS
505.9K
7.3K trades
SGMT
SIGMA X2
347.1K
6.2K trades
MLIX
INSTINCT X
347.1K
4.4K trades
EBXL
LEVEL ATS
330.2K
12.4K trades
MSPL
MS POOL (ATS-4)
320.5K
2.1K trades
MSTX
MS TRAJECTORY CROSS (ATS-1)
312.3K
15.9K trades
CGXS
ONECHRONOS
181.8K
2.2K trades
PURE
PURESTREAM
165.1K
6.8K trades
JPBX
JPB-X
150.0K
2.3K trades
JPMX
JPM-X
149.8K
1.9K trades
BIDS
BIDS ATS
138.1K
324 trades
LATS
THE BARCLAYS ATS
80.2K
938 trades
IATS
IBKR ATS
79.0K
1.3K trades
ONEC
CITI-ONE ATS
65.3K
652 trades
ICBX
CBX
63.7K
692 trades
XSTM
CROSSSTREAM
62.6K
517 trades
ITGP
POSIT
56.2K
448 trades
LQNA
LIQUIDNET H2O ATS
45.4K
96 trades
KCGM
VIRTU MATCHIT ATS
42.8K
729 trades
BNPX
BNPP CORTEX ATS
37.4K
493 trades
MSRP
MS RPOOL (ATS-6)
20.6K
452 trades
ALPX
ALPHAX US
14.3K
146 trades
BLKX
INSTINET BLOCKCROSS
11.7K
6 trades
LQNT
LIQUIDNET NEGOTIATION ATS
10.5K
1 trades
MOAT
MOSAIC ATS
400
4 trades
BOSS
BRUCE MARKETS, LLC.
165
16 trades
STFX
STIFEL X
142
11 trades
BLUE
BOATS
109
14 trades