Bronte Capital Management Pty Ltd. Ishares Biotechnology ETF Transaction History

Bronte Capital Management Pty Ltd.

$847 Million
Q3 2025

A detailed history of Bronte Capital Management Pty Ltd. transactions in Ishares Biotechnology ETF stock. As of the latest transaction made, Bronte Capital Management Pty Ltd. holds 281,422 shares of IBB stock, worth $46.2 Million. This represents 4.8% of its overall portfolio holdings.

Number of Shares

281,422

Previous 262,399 7.25%

Holding current value

$46.2 Million

Previous $33.6 Million 21.06%

% of portfolio

4.8%

Previous 3.56%

13 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 04, 2025	BUY	$127.63 - $144.37 $2.43 Million - $2.75 Million	19,023 Added 7.25%	281,422 $40.6 Million
Q1 2025 May 13, 2025	SELL	$127.9 - $140.56 $279,717 - $307,404	-2,187 Reduced 0.83%	262,399 $33.6 Million
Q4 2024 Feb 10, 2025	SELL	$131.21 - $148.85 $1.1 Million - $1.25 Million	-8,369 Reduced 3.07%	264,586 $35 Million
Q3 2024 Nov 04, 2024	BUY	$135.09 - $149.47 $69,166 - $76,528	512 Added 0.19%	272,955 $39.7 Million
Q2 2024 Aug 07, 2024	SELL	$124.64 - $139.96 $1.37 Million - $1.54 Million	-10,977 Reduced 3.87%	272,443 $37.4 Million

Q1 2024 May 13, 2024	BUY	$132.3 - $140.89 $250,311 - $266,563	1,892 Added 0.67%	283,420 $38.9 Million
Q4 2023 Feb 07, 2024	SELL	$112.41 - $137.03 $191,209 - $233,088	-1,701 Reduced 0.6%	281,528 $38.2 Million
Q3 2023 Nov 06, 2023	SELL	$122.27 - $131.47 $5.45 Million - $5.86 Million	-44,584 Reduced 13.6%	283,229 $34.6 Million
Q2 2023 Aug 07, 2023	BUY	$125.53 - $133.58 $3.23 Million - $3.44 Million	25,737 Added 8.52%	327,813 $41.6 Million
Q1 2023 May 12, 2023	BUY	$121.97 - $137.23 $5.42 Million - $6.1 Million	44,461 Added 17.26%	302,076 $39 Million
Q4 2022 Feb 13, 2023	SELL	$117.58 - $138.43 $643,868 - $758,042	-5,476 Reduced 2.08%	257,615 $33.8 Million
Q3 2022 Nov 02, 2022	SELL	$113.42 - $134.82 $2.4 Million - $2.86 Million	-21,178 Reduced 7.45%	263,091 $30.8 Million
Q2 2022 Aug 08, 2022	BUY	$105.82 - $134.76 $30.1 Million - $38.3 Million	284,269 New	284,269 $33.4 Million

Others Institutions Holding IBB

# of Institutions

957

Shares Held

31.6M

Call Options Held

3.52M

Put Options Held

2.74M

View Full List

About ISHARES BIOTECHNOLOGY ETF

Ticker IBB
Sector ETFs
Industry ETFs

More about IBB

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Bronte Capital Management Pty Ltd. Ishares Biotechnology ETF Transaction History