Berkshire Hathaway (BRK.B) is an American multinational conglomerate holding company headquartered in Omaha, Nebraska, United States.

As you want here I am telling Berkshire Hathaway (BRK.B) Nav price info for investment in its share:

Berkshire Hathaway Historical Price to Book Value Data
Data for this Date Range
Oct. 30, 2017 1.541
Oct. 27, 2017 1.547
Oct. 26, 2017 1.548
Oct. 25, 2017 1.548
Oct. 24, 2017 1.557
Oct. 23, 2017 1.554
Oct. 20, 2017 1.551
Oct. 19, 2017 1.536
Oct. 18, 2017 1.541
Oct. 17, 2017 1.538
Oct. 16, 2017 1.542
Oct. 13, 2017 1.537
Oct. 12, 2017 1.529
Oct. 11, 2017 1.538
Oct. 10, 2017 1.543
Oct. 9, 2017 1.538
Oct. 6, 2017 1.538
Oct. 5, 2017 1.535
Oct. 4, 2017 1.525
Oct. 3, 2017 1.523
Oct. 2, 2017 1.521
Sept. 29, 2017 1.504
Sept. 28, 2017 1.503
Sept. 27, 2017 1.504
Sept. 26, 2017 1.492
Sept. 25, 2017 1.498

Sept. 22, 2017 1.492
Sept. 21, 2017 1.503
Sept. 20, 2017 1.508
Sept. 19, 2017 1.502
Sept. 18, 2017 1.489
Sept. 15, 2017 1.476
Sept. 14, 2017 1.465
Sept. 13, 2017 1.468
Sept. 12, 2017 1.466
Sept. 11, 2017 1.459
Sept. 8, 2017 1.44
Sept. 7, 2017 1.428
Sept. 6, 2017 1.451
Sept. 5, 2017 1.452
Sept. 1, 2017 1.483
Aug. 31, 2017 1.486
Aug. 30, 2017 1.480
Aug. 29, 2017 1.466
Aug. 28, 2017 1.466
Aug. 25, 2017 1.474
Aug. 24, 2017 1.464
Aug. 23, 2017 1.477
Aug. 22, 2017 1.481
Aug. 21, 2017 1.463
Aug. 18, 2017 1.457

Company profile:
Type Public
Traded as Class A NYSE: BRK.A
Class B NYSE: BRK.B
S&P 100 Component (BRK.B)
S&P 500 Component (BRK.B)
ISIN US0846707026
Industry Conglomerate
Founded 1839; 178 years ago
Cumberland, Rhode Island, U.S.
Founder Oliver Chace
Headquarters Kiewit Plaza, Omaha, Nebraska, U.S.
Area served Worldwide
Key people Warren Buffett
Chairman, President, & CEO)
Charlie Munger
(Vice Chairman)
Products Diversified investments
property and casualty insurance
Utilities
Restaurants
Food processing
Aerospace
Media
Toys
Automotive
Sporting goods
Consumer products
Internet
Real estate
Revenue US$223.60 billion (2016)
Operating income US$32.74 billion (2016)
Net income US$24.07 billion (2016)
Total assets US$620.85 billion (2016)
Total equity US$283.00 billion (2016)
Owner Warren Buffett (36.8%)
Number of employees 367,700 (2016)
Subsidiaries List of subsidiaries