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iShares Biotechnology ETF

IBB
$163.94 +$0.164 (0.10%)
Market Cap: $7.89 B
Gurus Holding
5
Popularity Rank
#1896
% of Shares Held
0.72%
Net Activity (Q4 2025)
-$24.56 M

Guru Ownership Trend

Guru Analysis for iShares Biotechnology ETF (IBB)

iShares Biotechnology ETF (IBB), a key player in the Market sector, continues to attract institutional attention.

As of Q4 2025, a total of 5 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $56.82 M.

Top institutional holders include Jefferies Group and Renaissance Technologies.

Institutional sentiment is currently Slightly Bearish. This is evidenced by a $24.56 M net outflow during the quarter.

Recent activity highlights Cliff Asness who increased their stake by 55.3%. Conversely, Jefferies Group reduced exposure by 33.4%.

Key Holders

Top 5 by Value

Top 5 by Conviction

Recent Activity Breakdown (Q4 2025)

+$1 M
Total Buy Value
New Buys 0
Additions 3
-$25.56 M
Total Sell Value
Reductions 2
Sold Out 0

Guru Consensus (Q4 2025)

Based on recent activity
Net Sellers
2
Net Buyers
3

FAQs for iShares Biotechnology ETF (IBB)

Major holders include Jefferies Group ($50.71 M), Renaissance Technologies ($4.46 M), Paul Tudor Jones ($1.51 M). According to the latest reported data, 5 tracked investment managers collectively hold approximately 346,599 shares.

According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $24.56 M, with 3 managers increasing positions and 2 managers reducing holdings.

During the most recent reporting period, 2 managers trimmed their positions, while 0 fully exited IBB. The total reported sell value was $25.56 M.

Yes, 0 managers opened new positions in IBB, and 3 increased their existing holdings. The total reported buy value was $1 M.

Portfolio Manager % Portfolio Activity Shares Value Report Date
0.26% Reduce -33.4% 300,458 $50.71 M Q4 2025
0.01% Reduce -3.9% 26,400 $4.46 M Q4 2025
0.00% Add 39.0% 8,963 $1.51 M Q4 2025
0.00% Add 55.3% 8,015 $1.35 M Q4 2025
0.00% Add 25.6% 2,763 $466,314 Q4 2025
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