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BANK OF MONTREAL /CAN/

Bank

Position in BRK-B — Berkshire Hathaway Inc

CIK 927971 TORONTO, A6

Position in BRK-B

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,610,613,666
+$118,485,174 QoQ
Shares Held
2,613,026
+4.5% QoQ
Ownership
0.186%
of shares outstanding
% of Portfolio
0.67%
of 13F equity value
Holder Rank
#46
of 4,965 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 95% Shared 0% None 5%

Common Shares in BRK-B Over Time

Shares Held

Position Value (USD)

Derivatives in BRK-B

reported options exposure · as of Jun 30, 2026
CallValue
$2,602,028
CallShares
5,200
PutValue
$2,451,911
PutShares
4,900

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Insurance - Diversified

Financial Services · as of Jun 30, 2026

BANK OF MONTREAL /CAN/ holds $2,729,423,380 across 7 Insurance - Diversified names. BRK-B ranks #1 (59.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BRK-B
Berkshire Hathaway Inc
This page
2,613,026 $1,610,613,666

All Filings in BRK-B

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 BRK-A $303,284,250 405
2026-06-30 $1,307,329,416 2,612,621
2026-06-30 $2,451,911 4,900
2026-06-30 $2,602,028 5,200
2026-03-31 BRK-A $293,719,260 409
2026-03-31 $3,737,760 7,800
2026-03-31 $3,881,520 8,100
2026-03-31 $1,198,409,232 2,500,854
2025-12-31 BRK-A $315,506,400 418
2025-12-31 $1,428,199,545 2,841,340
2025-09-30 BRK-A $204,388,200 271
2025-09-30 $1,296,959,096 2,579,781
2025-06-30 BRK-A $192,403,200 264
2025-06-30 $1,139,809,266 2,346,397
2025-03-31 BRK-A $210,788,688 264
2025-03-31 $1,397,578,324 2,624,166
2025-03-31 $3,355,254 6,300
2024-12-31 BRK-A $104,180,760 153
2024-12-31 $1,310,604,268 2,891,379
2024-09-30 BRK-A $104,368,180 151
2024-09-30 $1,618,542,027 3,516,582
2024-06-30 BRK-A $92,448,391 151
2024-06-30 $1,256,626,351 3,089,052
2024-03-31 BRK-A $99,607,080 157
2024-03-31 $1,170,083,020 2,782,467
2023-12-31 BRK-A $87,905,250 162
2023-12-31 $3,566,600 10,000
2023-12-31 $1,098,673,293 3,080,450
2023-09-30 BRK-A $98,854,722 186
2023-09-30 $899,508,744 2,567,824
2023-09-30 $3,503,000 10,000
2023-06-30 BRK-A $78,707,120 152
2023-06-30 $3,410,000 10,000
2023-06-30 $869,150,348 2,548,828
2023-03-31 BRK-A $9,777,600 21
2023-03-31 $61,754 200
2023-03-31 $3,087,700 10,000
2023-03-31 $527,439,985 1,708,197
2022-12-31 BRK-A $10,311,642 22
2022-12-31 $505,479,941 1,636,387
2022-12-31 $3,089,000 10,000
2022-09-30 BRK-A $73,164,600 180
2022-09-30 $8,010,600 30,000
2022-09-30 $477,249,115 1,787,316
2022-06-30 BRK-A $7,361,100 18
2022-06-30 $8,190,600 30,000
2022-06-30 $367,647,364 1,346,595
2022-03-31 BRK-A $11,107,341 21
2022-03-31 $633,285,697 1,794,468
2021-12-31 BRK-A $9,914,564 22