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Costain Group (COST) Share Price

Price 184.00p on 27-03-2026 at 19:35:12
Change -8.60p -4.47%
Buy 184.60p
Sell 184.00p
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Last Trade: Unknown 1,604.00 at 184.00p
Day's Volume: 570,561
Last Close: 184.00p
Open: 192.60p
ISIN: GB00B64NSP76
Day's Range 182.80p - 192.60p
52wk Range: 87.50p - 203.50p
Market Capitalisation: £489.80m
VWAP: 186.31374p
Shares in Issue: 266.20m

Sector: Industrial Services

Listed In: FTSE All-Share, FTSE All-Share ex Investment Trusts, FTSE Small Cap, FTSE Small Cap ex Investment Trusts

Costain Group (COST) Latest Trades

Buy/Sell Volume Trade Prc Trade Type Trade Time
Unknown* 1,604 184.00p SI Trade
Negotiated Trade
 16:49:03 - 27-Mar-26
Unknown* 5,508 187.102p SI Trade
Negotiated Trade
 16:47:07 - 27-Mar-26
Sell* 9,429 184.00p Automatic Execution
 16:35:04 - 27-Mar-26
Sell* 121,371 184.00p Uncrossing Trade
 16:35:04 - 27-Mar-26
Buy* 970 184.40p Automatic Execution
 16:29:27 - 27-Mar-26
Buy* 300 184.40p Automatic Execution
 16:29:27 - 27-Mar-26
Buy* 9,152 184.00p Automatic Execution
 16:29:27 - 27-Mar-26
Sell* 848 184.00p Automatic Execution
 16:29:27 - 27-Mar-26
Buy* 375 184.40p Automatic Execution
 16:29:21 - 27-Mar-26
Buy* 54 184.20p Automatic Execution
 16:29:21 - 27-Mar-26
See more Costain Group trades

Costain Group (COST) Share Price History

Time period:
to
Date Open High Low Close Volume
27th Mar 2026 (Fri) 192.60 192.60 182.80 184.00 570,561
26th Mar 2026 (Thu) 186.00 193.80 186.00 192.60 779,109
25th Mar 2026 (Wed) 189.40 192.80 188.80 191.40 668,116
24th Mar 2026 (Tue) 186.20 188.60 181.40 186.40 555,566
23rd Mar 2026 (Mon) 186.00 190.40 174.60 186.40 931,529
20th Mar 2026 (Fri) 186.00 186.80 181.60 182.60 3,861,977
19th Mar 2026 (Thu) 184.80 185.00 175.60 182.80 1,575,758
18th Mar 2026 (Wed) 202.00 202.00 185.40 185.60 934,753
17th Mar 2026 (Tue) 190.00 196.20 190.00 193.00 1,802,283
16th Mar 2026 (Mon) 193.60 197.00 191.60 195.60 942,900
13th Mar 2026 (Fri) 198.00 198.60 192.80 195.80 700,548
12th Mar 2026 (Thu) 202.00 203.50 194.60 196.20 789,772
11th Mar 2026 (Wed) 194.00 203.50 194.00 202.00 1,209,919
10th Mar 2026 (Tue) 182.60 200.50 178.40 200.50 5,515,379
9th Mar 2026 (Mon) 176.00 176.00 166.00 170.00 1,628,867
6th Mar 2026 (Fri) 175.00 179.40 170.60 173.60 966,050
5th Mar 2026 (Thu) 175.00 179.40 175.00 176.20 719,352
4th Mar 2026 (Wed) 175.80 180.00 175.40 178.80 2,063,535
3rd Mar 2026 (Tue) 182.00 182.40 174.80 177.00 1,702,410
2nd Mar 2026 (Mon) 184.00 188.00 182.00 184.00 1,089,739
27th Feb 2026 (Fri) 191.40 192.60 186.60 186.60 8,038,848
See more Costain Group price history

Costain Group (COST) Regulatory News

Date Source Headline
25th Mar 2026 10:30 am RNS Transaction in Own Shares
18th Mar 2026 10:30 am RNS Transaction in Own Shares
18th Mar 2026 7:00 am RNS-R Costain Secures c.£45m Contract with Severn Trent
10th Mar 2026 7:01 am RNS £20m Share Buyback Programme
10th Mar 2026 7:01 am RNS £20m Share Buyback Programme
10th Mar 2026 7:00 am RNS Final Results
4th Mar 2026 8:27 am RNS Directorate change
3rd Mar 2026 10:57 am RNS Holding(s) in Company
2nd Mar 2026 7:00 am RNS Costain returns to FTSE 250
25th Feb 2026 6:00 pm RNS Ashtead Group
See more Costain Group regulatory news

Costain Group (COST) Share News

IN BRIEF: Costain wins GBP45 million Severn Trent contract

18th Mar 2026 11:53

Costain Group PLC - Maidenhead, England-based construction and engineering company - Severn Trent PLC has selected Costain to deliver "critical infrastructure upgrades" at its Rugby Newbold Sewage Treatment Works, in a programme valued at around GBP45 million and set to run until 2028. Costain says it will be the principal designer and contractor, "designing and building new facilities and upgrading systems to improve operational resilience and increase the site's feed and storm capacity." Notes that the contract builds on the firms' existing partnership which started with a 2010 AMP5 framework contract. This "has since been extended through the AMP6, AMP7 and AMP8 regulatory cycles, taking the partnership to at least 2030." Read More

LONDON BROKER RATINGS: Barclays cuts Unite Group to 'equal weight'

17th Mar 2026 09:38

(Alliance News) - The following London-listed shares received analyst recommendations Tuesday morning and on Monday: Read More

LONDON BROKER RATINGS: Citi raises Centrica; Bernstein cuts Aston

11th Mar 2026 09:53

(Alliance News) - The following London-listed shares received analyst recommendations Wednesday morning and on Tuesday: Read More

LONDON MARKET CLOSE: FTSE 100 rallies as inflation fears ease

10th Mar 2026 17:12

(Alliance News) - Stock prices in London closed in the green on Tuesday, as markets bounced back after Monday's falls while a fall in the oil price cooled concerns around inflation. Read More

Costain starts GBP20 million buyback, hikes payout after "strong" year

10th Mar 2026 10:48

(Alliance News) - Costain Group PLC on Tuesday hailed "another strong performance" in 2025, with profit climbing despite a fall in revenue. Read More

See more Costain Group news
FTSE 100 Latest
Value9,967.35
Change-4.82

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