Question 1

Does Zürcher Kantonalbank own BRK/B stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Zürcher Kantonalbank holds 589,802 shares of BRK/B (Berkshire Hathaway), worth $295.1M.

Question 2

How many shares of BRK/B does Zürcher Kantonalbank own?

Accepted Answer

As of its Q2 2026 13F, Zürcher Kantonalbank holds 589,802 shares of BRK/B (Berkshire Hathaway).

Question 3

What is Zürcher Kantonalbank's BRK/B position worth?

Accepted Answer

As of its Q2 2026 13F, Zürcher Kantonalbank's BRK/B position is worth $295.1M.

Question 4

Is Zürcher Kantonalbank buying or selling BRK/B?

Accepted Answer

In Q2 2026, Zürcher Kantonalbank increased its BRK/B position by 241,245 shares (+69.2%).

Question 5

When did Zürcher Kantonalbank first buy BRK/B?

Accepted Answer

Zürcher Kantonalbank already held BRK/B in its Q1 2019 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	589,802	+69.2%	$295.1M	0.6%	$500.39	65
2026-Q1	Increased	348,557	+1.9%	$167M	0.4%	$479.20	37
2025-Q4	Increased	341,895	+2.8%	$171.9M	0.4%	$502.65	37
2025-Q3	Increased	332,632	+6.3%	$167.2M	0.4%	$502.74	39
2025-Q2	Increased	312,884	+8.5%	$152M	0.4%	$485.77	39
2025-Q1	Increased	288,416	+3.8%	$153.6M	0.4%	$532.58	38
2024-Q4	Increased	277,835	+7.0%	$125.9M	0.4%	$453.28	39
2024-Q3	Increased	259,704	+4.3%	$119.5M	0.4%	$460.26	38