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Costain Group (COST) Share Price

Intraday
Historical

Price	185.60p on 18-03-2026 at 19:15:14
Change	-7.40p -3.83%
Buy	186.20p
Sell	185.80p

Last Trade:	Buy 3,457.00 at 185.60p
Day's Volume:	934,753
Last Close:	185.60p
Open:	202.00p
ISIN:	GB00B64NSP76

Day's Range	185.40p - 202.00p
52wk Range:	87.50p - 203.50p
Market Capitalisation:	£495.02m
VWAP:	190.04827p
Shares in Issue:	266.71m

Sector: Industrial Services

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

Buy/Sell	Volume	Trade Prc	Trade Type	Trade Time
Costain Group (COST) Latest Trades
Buy*	3,457	185.60p	SI Trade Negotiated Trade	16:48:34 - 18-Mar-26
Buy*	7,466	190.614p	SI Trade Negotiated Trade	16:47:06 - 18-Mar-26
Sell*	2,979	185.60p	SI Trade	16:35:13 - 18-Mar-26
Sell*	2,758	185.60p	SI Trade	16:35:13 - 18-Mar-26
Sell*	798	185.60p	SI Trade	16:35:13 - 18-Mar-26
Sell*	207,574	185.60p	Uncrossing Trade	16:35:13 - 18-Mar-26
Buy*	1,039	186.002p	Suspected BUY Trade	16:29:24 - 18-Mar-26
Sell*	5	185.80p	Automatic Execution	16:29:11 - 18-Mar-26
Sell*	3	185.80p	Automatic Execution	16:28:43 - 18-Mar-26
Sell*	665	185.80p	Automatic Execution	16:27:48 - 18-Mar-26

See more Costain Group trades

Costain Group (COST) Share Price History
Time period: to
Date	Open	High	Low	Close	Volume
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
26th Feb 2026 (Thu)	190.00	195.00	185.60	192.00	14,934,618
25th Feb 2026 (Wed)	189.00	190.00	185.20	186.00	758,264
24th Feb 2026 (Tue)	185.20	191.00	185.00	187.60	1,502,830
23rd Feb 2026 (Mon)	187.20	190.80	185.60	186.60	954,564
20th Feb 2026 (Fri)	192.00	192.00	190.00	191.20	1,145,513
19th Feb 2026 (Thu)	193.00	193.00	188.60	190.40	549,035

See more Costain Group price history

Date	Source	Headline
Costain Group (COST) Regulatory News
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
24th Feb 2026 3:59 pm	RNS	Director Declaration

See more Costain Group regulatory news

FTSE 100 Latest

Value10,305.29

Change-98.31