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Berkshire Hathaway Class B

Name Holding Trade Value Shares
Change
Change in
Stake
WIM
401
Waverton Investment Management
United Kingdom
$33.5M -$1.63M -6,720 -5%
MAM
402
Martingale Asset Management
Massachusetts
$33M +$3.99M +16,444 +15%
DC
403
Defender Capital
North Carolina
$33M +$842K +3,468 +3%
MML Investors Services
404
MML Investors Services
Massachusetts
$32.8M -$4.32M -17,781 -12%
NPF
405
Norris Perne & French
Michigan
$32.8M +$783K +3,226 +3%
NAM
406
Nissay Asset Management
Japan
$32.7M -$1.49M -6,142 -5%
SWM
407
Spire Wealth Management
Virginia
$32.5M +$31M +127,671 New
Acadian Asset Management
408
Acadian Asset Management
Massachusetts
$32.5M -$18.4M -75,872 -37%
DCM
409
Dupont Capital Management
Delaware
$32.5M -$5.34M -21,983 -15%
NFGCM
410
Norman Fields Gottscho Capital Management
New York
$32.4M -$97.1K -400 -0.3%
SFM
411
Stack Financial Management
Montana
$32.3M -$166K -685 -0.5%
AII
412
AGF Investments Inc
Ontario, Canada
$32.2M -$2.71M -11,175 -8%
LI
413
Lafayette Investments
Maryland
$32.2M -$197K -812 -0.6%
TVAMP
414
Tennessee Valley Asset Management Partners
Tennessee
$32M +$2.25M +9,268 +8%
RCAMU
415
Rothschild & Co Asset Management US
Connecticut
$32M -$1.28M -5,252 -4%
RIG
416
Roosevelt Investment Group
New York
$31.9M +$617K +2,539 +2%
WT
417
Washington Trust
Rhode Island
$31.8M +$36.7K +151 +0.1%
WI
418
Wintrust Investments
Illinois
$31.6M +$28.4M +116,912 +1,443%
NMERB
419
New Mexico Educational Retirement Board
New Mexico
$30.8M
HI
420
Hendershot Investments
Virginia
$30.8M +$97.9K +403 +0.3%
CCM
421
Covington Capital Management
California
$30.7M -$122K -503 -0.4%
SAM
422
Shell Asset Management
Netherlands
$30.7M +$7.95M +32,724 +37%
KRS
423
Kentucky Retirement Systems
Kentucky
$30.7M -$550K -2,263 -2%
HIC
424
Harvey Investment Company
Kentucky
$30.5M -$807K -3,325 -3%
SG Americas Securities
425
SG Americas Securities
New York
$30.4M -$65M -267,806 -69%