what is the market cap of biontech se 2020

On December 31, 2020, BioNTech SE (BNTX) had a market capitalization of $20B, based on 248.5M shares at a price of $80.45.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
December 31 2020
$80.45
2,607,100
248,500,000
$19,992,918,400.00
December 30 2020
$82.84
2,941,100
248,500,000
$20,586,410,950.00
December 29 2020
$87.13
3,300,400
248,500,000
$21,650,811,000.00
December 28 2020
$86.96
4,698,900
248,500,000
$21,609,112,700.00
December 24 2020
$95.69
1,039,100
248,500,000
$23,779,586,250.00
December 23 2020
$98.75
3,414,000
248,500,000
$24,539,872,000.00
December 22 2020
$99.25
5,021,000
248,500,000
$24,662,506,750.00
December 21 2020
$105.07
2,611,000
248,500,000
$26,109,497,400.00
December 18 2020
$102.88
3,108,200
248,500,000
$25,565,033,900.00
December 17 2020
$105.04
3,487,800
248,500,000
$26,102,116,950.00
December 16 2020
$104.40
4,802,600
248,500,000
$25,942,704,200.00
December 15 2020
$109.75
5,711,800
248,500,000
$27,271,980,400.00
December 14 2020
$106.85
10,907,900
248,500,000
$26,553,392,950.00
December 11 2020
$125.64
4,303,700
248,500,000
$31,220,521,150.00
December 10 2020
$127.85
5,381,300
248,500,000
$31,769,904,950.00
December 09 2020
$121.20
5,265,200
248,500,000
$30,119,343,100.00
December 08 2020
$126.44
4,597,500
248,500,000
$31,419,172,050.00
December 07 2020
$124.06
4,925,300
248,500,000
$30,828,114,800.00
December 04 2020
$118.43
3,142,600
248,500,000
$29,430,202,900.00
December 03 2020
$117.13
4,264,600
248,500,000
$29,106,457,100.00
December 02 2020
$119.51
7,164,700
248,500,000
$29,697,514,350.00
December 01 2020
$112.52
9,619,800
248,500,000
$27,961,145,450.00
November 30 2020
$122.62
9,934,800
248,500,000
$30,470,051,150.00
November 27 2020
$108.55
3,874,600
248,500,000
$26,975,221,700.00
November 25 2020
$103.59
3,007,400
248,500,000
$25,741,618,000.00