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2026-08-26 · session in progress, unofficial until close

CULLINAN THERAPEUTICS INC (CGEM) and the market

Exact index points CGEM contributed this session, under each index's own arithmetic, verified against official closes. New here? Read point contribution, explained.

How much did CGEM move each index today?

XBI: CGEM moved −0.17% and contributed −0.00 points of the index's −1.29-point move (0% of it), ranking #98 of 147 members by contribution to the move.

CGEM closed the 2026-08-25 session at 22.95; that day's move sits in the 87th percentile of its own past year. The stock is at its 52-week closing high and +121.7% for the year so far.

CGEM in the XBI beyond today

windowCGEM returnpoints contributedindex moverank
1 week+10.12%+0.08 pts+9.00 pts#36 of 147
1 month+31.67%+0.19 pts+18.53 pts#38 of 147
quarter to date+26.03%+0.19 pts+10.87 pts#35 of 147
year to date+121.74%+0.51 pts+47.19 pts#36 of 147

Who moved with and against CGEM today?

On CGEM's side of the XBI tape: MRNA (−0.34 pts), SYRE (−0.29 pts), RLAY (−0.10 pts). Pulling the other way: ERAS (+0.17 pts), BHVN (+0.11 pts), SMMT (+0.10 pts).

Every member's contribution, top to bottom, is on the index dashboards; the day's story is in the market-close note. Machine-readable figures for this stock: /api/stock/CGEM, free to cite with attribution.

Compiled by the WMTMT attribution engine · updates every session · methodology