Why is $MCRB stock down today?

Seres Therapeutics, Inc. · Pharmaceutical Preparations

Why is $MCRB down today?

The likely driver

Seres Therapeutics, Inc.: Q2 FY2026 results, three months to Jun 30, 2026

SEC filing · Aug 5

The numbers behind the move

Short interest

4.3% of float

Days to cover

5.2d

Float

7.2M · Low

Float rotation

0.0x

Dilution

Heavy

MCRB: a low 7.2M-share float, active share dilution on file.

Price

$2.71

Move today

-0.4%

Volume vs avg

1.1x

Scanner alerts today

Flagged in 30 days

Market cap

$27M

Prev close

$2.72

Avg volume

73K

Today’s scanner timeline

10:42 AMBig % mover alert
10:42 AMUnusual volume (RVOL) alert

Unusual-volume alerts often fire before the news is widely reported. This is when our scanner first flagged MCRB today.

Earlier scanner activity on MCRB

Oct 8Big % mover alert
Oct 8Unusual volume (RVOL) alert
Oct 2Big % mover alert
Oct 1Big % mover alert

Prior sessions in the last 30 days. A name our scanner keeps flagging is behaving differently from the rest of the market, even on a quiet day.

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Other stocks moving today

$VRXA +15.6%$SAIQ -15.1%$GLIBK -15.0%$SVC +15.0%$GLIBA -14.9%$DNA +14.6%$ZSQR +14.3%$MRNA +14.2%

Each opens that stock’s own why-is-it-moving page.

Move and volume are based on the latest market data and refresh live on this page. Scanner alerts are our own real-time unusual-volume signals. This is research, not investment advice.