Additional 20% in Youngshin Motherson Auto Tech acquired; now wholly owned

Listed-company acquisitionStrategic Transactions View source PDF Explain this filing

MOTHERSON · price

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Price reactionminutes from the announcement price · days from the prior close

+0.8%Reaction day

₹103.31

prior close

₹103.11

announcement price

After-mkt

timing

Nifty 100market · index membership as recorded later (tracked since Jun 2026)+0.4%+0.4% vs market

Auto Components & Equipments peers, median of 107sector+0.3%+0.5% vs sector

On the reaction day the stock moved 0.4 pts more than Nifty 100 and 0.5 pts more than its Auto Components & Equipments peers, over the same two closes: a difference in percentage points, not a measure of what the filing did.

Minutes after the announcementfrom the announcement price · no benchmark

Stock

+0.0

10m

+0.0

15m

-0.1

30m

+0.6

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

+0.8+0.4+0.4+0.3+0.5

Next day

+0.7+0.2+0.5-0.9+1.6

+1.5-0.2+1.7-2.0+3.5

+1.5+0.6+0.9-1.4+2.9

+3.8+1.6+2.2-0.6+4.4

+1.5+2.0-0.4-1.2+2.7

+1.9+2.5-0.6+0.4+1.5

15d

+2.7+2.4+0.3+0.0+2.7

-0.9+1.6-2.5-1.8+0.8

+12.3+1.7+10.6-6.6+18.9

+11.5+2.1+9.5-7.9+19.5

UpDownMarket · Nifty 100Sector · Auto Components & Equipments peers, median of 107Pending

Minute windows have no benchmark: there is no intraday index history to compare against.

AI summary

Samvardhana Motherson International Limited completed the purchase of an additional 20% in Youngshin Motherson Auto Tech Limited from Youngshin Components Co. Ltd., South Korea, on October 9, 2025. After completion, YMAT is a wholly owned subsidiary.

Likely market impact

Full ownership gives the group complete control over YMAT and brings its performance into group results, while increasing exposure to its risks.