— Know what they know.
Not Investment Advice
Also trades as: MMC (NYSE) · $vol 522M · MHM.L (LSE) · $vol 5M · MSN.DE (XETRA) · $vol 0M

MRSH Dark Pool Activity

Marsh & McLennan Companies, Inc.
1W: -0.3% 1M: +13.5% 3M: -3.5% YTD: +5.0% 1Y: +2.2% 3Y: +4.8% 5Y: +22.8%
$190.67
-4.05 (-2.08%)
 
Weekly Expected Move ±3.4%
$184 $191 $198 $204 $211
NYSE · Financial Services · Insurance - Brokers · Tech Score Strong Buy · Power 73 · $91.0B mcap · 475M float · 0.539% daily turnover · Short 42% of daily vol
Credit Risk of going bust: not rated, financial company (lending is its business) Bonds: $497.8M held by 382 funds, 73 bp over Treasuries → details ▾
Not rated: lending and leverage are a financial company's business, which the model misreads.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.

Dark Pool Activity

Week of 2026-09-28
3.9M
Weekly Shares
$669M
Notional Value
3.5M
4-Week Avg
▲ +47.8%
4-Week Trend
72,254
Weekly Trades
54
Avg Trade Size

Weekly Dark Pool Volume

Weekly Notional Value

Top Dark Pool Venues

Last 4 weeks
VenueShareShares TradedTradesNotional
UBSA UBS ATS 13.5% 2,211,609 36,988 $390.1M
INCR INTELLIGENT CROSS LLC 13.0% 2,122,478 45,266 $372.5M
EBXL LEVEL ATS 10.1% 1,650,533 50,326 $291.3M
SGMT SIGMA X2 8.7% 1,425,420 39,938 $251.2M
MSTX MS TRAJECTORY CROSS (ATS-1) 7.4% 1,216,368 51,294 $213.7M
MLIX INSTINCT X 6.6% 1,082,609 16,787 $190.0M
CGXS ONECHRONOS 6.3% 1,034,474 13,333 $181.3M
MSPL MS POOL (ATS-4) 5.3% 863,600 5,164 $152.2M
BIDS BIDS ATS 4.6% 751,559 1,470 $132.0M
PURE PURESTREAM 3.8% 620,375 28,827 $108.5M
ICBX CBX 3.0% 493,192 6,593 $86.7M
JPMX JPM-X 2.6% 429,325 5,339 $75.7M
LATS THE BARCLAYS ATS 2.5% 404,837 4,860 $71.6M
ITGP POSIT 2.5% 403,540 2,469 $71.4M
JPBX JPB-X 2.4% 396,017 7,857 $69.8M

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms