- Title:
Net Asset Value(s) - Time:
11:47:34 - Date:
18 Dec 2025 - Category:
Corporate updates - ID:
1478M
|
FUND: |
UBS Core BBG US Treasury 1-3 UCITS ETF |
|
ISIN CODE: |
LU0721552544 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
24.6143 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
716264 |
|
|
|
|
FUND: |
UBS Core BBG US Treasury 1-10 UCITS ETF |
|
ISIN CODE: |
LU0721552973 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
38.8408 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
232110 |
|
|
|
|
FUND: |
UBS BBG MSCI Euro Area Liquid Corp Sustainable UCITS ETF |
|
ISIN CODE: |
LU1484799769 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
13.138 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
45248086 |
|
|
|
|
FUND: |
UBS BBG MSCI US Liquid Corp Sustainable UCITS ETF |
|
ISIN CODE: |
LU1215461085 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
15.1068 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
3841727 |
|
|
|
|
FUND: |
UBS BBG TIPS 10+ UCITS ETF |
|
ISIN CODE: |
LU1459802754 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
9.8704 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
7896834 |
|
|
|
|
FUND: |
UBS BBG TIPS 1-10 UCITS ETF |
|
ISIN CODE: |
LU1459801947 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
15.8073 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
2934107 |
|
|
|
|
FUND: |
UBS BBG TIPS 1-10 UCITS ETF |
|
ISIN CODE: |
LU1459801434 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
12.0899 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
6759918 |
|
|
|
|
FUND: |
UBS BBG US Liquid Corp 1-5 UCITS ETF |
|
ISIN CODE: |
LU1048315326 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
12.6481 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
1307248 |
|
|
|
|
FUND: |
UBS BBG US Liquid Corp 1-5 UCITS ETF |
|
ISIN CODE: |
LU1048314949 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
14.0648 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
18181060 |
|
|
|
|
FUND: |
UBS BBG US Liquid Corp UCITS ETF |
|
ISIN CODE: |
LU1048317298 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
14.1456 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
6413822 |
|
|
|
|
FUND: |
UBS BBG US Liquid Corp UCITS ETF |
|
ISIN CODE: |
LU1048316647 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
15.1213 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
5948435 |
|
|
|
|
FUND: |
UBS BBG USD EM Sovereign UCITS ETF |
|
ISIN CODE: |
LU1324516480 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
8.455 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
9260887 |
|
|
|
|
FUND: |
UBS BBG USD EM Sovereign UCITS ETF |
|
ISIN CODE: |
LU1324516050 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
9.6506 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
12521220 |
|
|
|
|
FUND: |
UBS EURO STOXX 50 UCITS ETF |
|
ISIN CODE: |
LU0136234068 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
57.2028 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
11264588 |
|
|
|
|
FUND: |
UBS Factor MSCI EMU Low Volatility UCITS ETF |
|
ISIN CODE: |
LU1215454460 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
17.284 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
754439 |
|
|
|
|
FUND: |
UBS Factor MSCI EMU Prime Value Screened UCITS ETF |
|
ISIN CODE: |
LU1215452928 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
22.0166 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
2765378 |
|
|
|
|
FUND: |
UBS Factor MSCI EMU Quality Screened UCITS ETF |
|
ISIN CODE: |
LU1215451524 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
25.6214 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
2864945 |
|
|
|
|
FUND: |
UBS FTSE 100 UCITS ETF |
|
ISIN CODE: |
LU0136242590 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
90.2641 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
849157 |
|
|
|
|
FUND: |
UBS MSCI Canada UCITS ETF |
|
ISIN CODE: |
LU0446734872 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
80.7888 |
|
BASE CURRENCY: |
CAD |
|
NUMBER OF SHARES IN ISSUE: |
16531109 |
|
|
|
|
FUND: |
UBS MSCI Canada UCITS ETF |
|
ISIN CODE: |
LU1130156323 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
30.2689 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
2717180 |
|
|
|
|
FUND: |
UBS MSCI EM Socially Responsible UCITS ETF |
|
ISIN CODE: |
LU1048313891 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
17.4626 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
120589717 |
|
|
|
|
FUND: |
UBS Core MSCI EM UCITS ETF |
|
ISIN CODE: |
LU0480132876 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
135.2227 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
16271314 |
|
|
|
|
FUND: |
UBS MSCI EMU Small Cap UCITS ETF |
|
ISIN CODE: |
LU0671493277 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
137.8534 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
2403140 |
|
|
|
|
FUND: |
UBS MSCI EMU Socially Responsible UCITS ETF |
|
ISIN CODE: |
LU0629460675 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
133.1115 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
5735185 |
|
|
|
|
FUND: |
UBS Core MSCI EMU UCITS ETF |
|
ISIN CODE: |
LU0147308422 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
191.0544 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
7946101 |
|
|
|
|
FUND: |
UBS MSCI EMU Value UCITS ETF |
|
ISIN CODE: |
LU0446734369 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
57.0938 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
4477789 |
|
|
|
|
FUND: |
UBS Core MSCI Europe UCITS ETF |
|
ISIN CODE: |
LU0446734104 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
95.3243 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
8947463 |
|
|
|
|
FUND: |
UBS MSCI Japan Socially Responsible UCITS ETF |
|
ISIN CODE: |
LU1230561679 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
4677.4462 |
|
BASE CURRENCY: |
JPY |
|
NUMBER OF SHARES IN ISSUE: |
9801584 |
|
|
|
|
FUND: |
UBS Core MSCI Japan UCITS ETF |
|
ISIN CODE: |
LU0136240974 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
10388.2784 |
|
BASE CURRENCY: |
JPY |
|
NUMBER OF SHARES IN ISSUE: |
18324074 |
|
|
|
|
FUND: |
UBS MSCI Pacific ex Japan UCITS ETF |
|
ISIN CODE: |
LU0446734526 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
49.3759 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
1547479 |
|
|
|
|
FUND: |
UBS MSCI Pacific Socially Responsible UCITS ETF |
|
ISIN CODE: |
LU0629460832 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
86.771 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
11343243 |
|
|
|
|
FUND: |
UBS MSCI Switzerland 20/35 UCITS ETF |
|
ISIN CODE: |
LU1169830525 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
29.9676 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
391832 |
|
|
|
|
FUND: |
UBS MSCI Switzerland 20/35 UCITS ETF |
|
ISIN CODE: |
LU1169830442 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
25.0019 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
3180049 |
|
|
|
|
FUND: |
UBS MSCI United Kingdom UCITS ETF |
|
ISIN CODE: |
LU0950670850 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
39.1871 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
46026252 |
|
|
|
|
FUND: |
UBS MSCI United Kingdom UCITS ETF |
|
ISIN CODE: |
LU0937836467 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
24.8851 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
1974880 |
|
|
|
|
FUND: |
UBS MSCI USA Socially Responsible UCITS ETF |
|
ISIN CODE: |
LU0629460089 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
254.2556 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
3246971 |
|
|
|
|
FUND: |
UBS MSCI USA UCITS ETF |
|
ISIN CODE: |
LU0136234654 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
650.4782 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
799059 |
|
|
|
|
FUND: |
UBS MSCI World Socially Responsible UCITS ETF |
|
ISIN CODE: |
LU0629459743 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
184.901 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
24753603 |
|
|
|
|
FUND: |
UBS MSCI World UCITS ETF |
|
ISIN CODE: |
LU0340285161 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
437.2143 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
3513443 |
|
|
|
|
FUND: |
UBS Core MSCI EMU UCITS ETF |
|
ISIN CODE: |
LU1169820138 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
20.5373 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
1266929 |
|
|
|
|
FUND: |
UBS Core MSCI EMU UCITS ETF |
|
ISIN CODE: |
LU1169819981 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
16.4063 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
3607208 |
|
|
|
|
FUND: |
UBS Core MSCI Japan UCITS ETF |
|
ISIN CODE: |
LU1169822340 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
26.7213 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
3798027 |
|
|
|
|
FUND: |
UBS BBG Euro Inflation Linked 1-10 UCITS ETF |
|
ISIN CODE: |
LU1645380368 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
14.4415 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
12903936 |
|
|
|
|
FUND: |
UBS J.P. Morgan USD EM Diversified Bond 1-5 UCITS ETF |
|
ISIN CODE: |
LU1645385839 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
11.1458 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
5071367 |
|
|
|
|
FUND: |
UBS MSCI EMU Select Factor Mix UCITS ETF |
|
ISIN CODE: |
LU1804202403 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
16.5326 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
874279 |
|
|
|
|
FUND: |
UBS BBG MSCI US Liquid Corp Sustainable UCITS ETF |
|
ISIN CODE: |
LU1215461598 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
9.1523 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
6883060 |
|
|
|
|
FUND: |
UBS Sustainable Development Bank Bonds UCITS ETF |
|
ISIN CODE: |
LU1852212965 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
10.9515 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
3886338 |
|
|
|
|
FUND: |
UBS BBG TIPS 10+ UCITS ETF |
|
ISIN CODE: |
LU1459803133 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
8.7031 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
3757821 |
|
|
|
|
FUND: |
UBS J.P. Morgan USD EM IG Screened Diversified Bond UCITS ETF |
|
ISIN CODE: |
LU1974695790 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
14.0916 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
19700385 |
|
|
|
|
FUND: |
UBS MSCI China Universal UCITS ETF |
|
ISIN CODE: |
LU1953188833 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
11.2938 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
41107731 |
|
|
|
|
FUND: |
UBS J.P. Morgan Global Gov ESG Liquid Bond UCITS ETF |
|
ISIN CODE: |
LU1974693662 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
9.7524 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
8358290 |
|
|
|
|
FUND: |
UBS Sustainable Development Bank Bonds UCITS ETF |
|
ISIN CODE: |
LU1852212023 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
10.5161 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
9382970 |
|
|
|
|
FUND: |
UBS MSCI EMU Socially Responsible UCITS ETF |
|
ISIN CODE: |
LU1280300853 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
20.2446 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
4234657 |
|
|
|
|
FUND: |
UBS J.P. Morgan Global Gov ESG Liquid Bond UCITS ETF |
|
ISIN CODE: |
LU1974694637 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
11.265 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
1771228 |
|
|
|
|
FUND: |
UBS Solactive China Technology UCITS ETF |
|
ISIN CODE: |
LU2265794276 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
8.374 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
76929869 |
|
|
|
|
FUND: |
UBS BBG Japan Treasury 1-3 UCITS ETF |
|
ISIN CODE: |
LU2098179695 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
1161.3257 |
|
BASE CURRENCY: |
JPY |
|
NUMBER OF SHARES IN ISSUE: |
95501676 |
|
|
|
|
FUND: |
UBS BBG MSCI US Liquid Corp 1-5 Sustainable UCITS ETF |
|
ISIN CODE: |
LU2408467723 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
13.217 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
1345722 |
|
|
|
|
FUND: |
UBS MSCI Europe Socially Responsible UCITS ETF |
|
ISIN CODE: |
LU2206597804 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
16.4535 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
3627028 |
|
|
|
|
FUND: |
UBS MSCI Canada UCITS ETF |
|
ISIN CODE: |
LU0950672807 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
36.8456 |
|
BASE CURRENCY: |
CAD |
|
NUMBER OF SHARES IN ISSUE: |
18913032 |
|
|
|
|
FUND: |
UBS BBG TIPS 10+ UCITS ETF |
|
ISIN CODE: |
LU1459802838 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
11.7056 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
2450413 |
|
|
|
|
FUND: |
UBS BBG TIPS 10+ UCITS ETF |
|
ISIN CODE: |
LU1459803216 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
11.7400 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
3731341 |
|
|
|
|
FUND: |
UBS EUR AAA CLO UCITS ETF |
|
ISIN CODE: |
LU3028243718 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
10.2559 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
100000 |
|
|
|
|
FUND: |
UBS Core BBG Euro Inflation-Linked Bond 1-10 UCITS ETF EUR acc |
|
ISIN CODE: |
LU1645380442 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
8.5671 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
6626643 |
|
|
|
|
FUND: |
UBS Core MSCI Europe UCITS ETF EUR acc |
|
ISIN CODE: |
LU0950668524 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
10.3399 |
|
BASE CURRENCY: |
EUR |
|
NUMBER OF SHARES IN ISSUE: |
8027724 |
|
|
|
|
FUND: |
UBS EUR AAA CLO UCITS ETF hUSD dis |
|
ISIN CODE: |
LU3028243981 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
10.1669 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
100000 |
|
|
|
|
FUND: |
UBS (Lux) Fund Solutions - UBS Sustainable Development Bank Bonds 1-5 |
|
ISIN CODE: |
LU3065099932 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
9.4532 |
|
BASE CURRENCY: |
GBP |
|
NUMBER OF SHARES IN ISSUE: |
11857397 |
|
|
|
|
FUND: |
UBS (Lux) Fund Solutions - UBS Solactive China Technology UCITS ETF |
|
ISIN CODE: |
LU2265794276 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
8.374 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
76929869 |
|
|
|
|
FUND: |
UBS (Lux) Fund Solutions - UBS Sustainable Development Bank Bonds 1-5 |
|
ISIN CODE: |
LU3065087333 |
|
DEALING DATE: |
12/17/25 |
|
NAV PER SHARE: |
9.1986 |
|
BASE CURRENCY: |
USD |
|
NUMBER OF SHARES IN ISSUE: |
594232 |
Net Asset Value(s)11:47:3418 Dec 2025Corporate updates1478M