TMO Dark Pool Activity
Tuesday, September 8, 2026 · 3-session delayed summary
$71.9MOff-exchange premium
25Dark pool prints
119KShares off-exchange
~$6MLargest single print
Thermo Fisher Scientific (TMO) traded $71.9M across 25 dark pool prints on Sep 8. Block-size prints made up roughly 24% of the session, concentrated between $603 and $606.
Key dark pool levels
Block activity
3Block-size prints
$16.9MCombined block premium
24%Share of off-exchange premium
~$6MLargest block
| Time | Size | Price | Premium | Type |
|---|---|---|---|---|
| █:██ PM | ███,██0 | $█,███.██ | $██.█M | BLOCK |
| █:██ PM | ███,██0 | $█,███.██ | $██.█M | BLOCK |
Off-exchange premium: Sep 1 to Sep 8, 2026
How to read this: dark pools are private venues where institutions execute large trades away from public order books; the prints are reported through FINRA shortly after execution. Prices where unusual volume accumulates often act as support or resistance when revisited. Learn how Robinflow tracks dark pools
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