IB

IBB ISHARES BIOTECHNOLOGY ETF

2026Q2 · CUSIP 464287556 · Sector: Other

Piling in

Net holder growth ranks near the top of the market

Funds that own it
962
Institutions that reported holding it to the SEC
Net increase in holders
+38
Last quarter 924 → now 962
How unusual is that
Top 20%
Stronger buying than 89% of US stocks
What the filings say, in one paragraph

962 funds held IBB at the end of 2026Q2, up 38 from the quarter before. That is stronger buying than 88.6% of US stocks — among the most piled-into names this quarter. IBB has had 28 buying rushes in its history. It sits in the Other sector.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2013Q3: holders=251 2013Q4: holders=278 2014Q1: holders=293 2014Q2: holders=304 2014Q3: holders=315 2014Q4: holders=369 2015Q1: holders=396 2015Q2: holders=423 2015Q3: holders=417 2015Q4: holders=436 2016Q1: holders=417 2016Q2: holders=430 2016Q3: holders=464 2016Q4: holders=523 2017Q1: holders=524 2017Q2: holders=564 2017Q3: holders=583 2017Q4: holders=624 2018Q1: holders=608 2018Q2: holders=609 2018Q3: holders=635 2018Q4: holders=650 2019Q1: holders=675 2019Q2: holders=652 2019Q3: holders=604 2019Q4: holders=714 2020Q1: holders=672 2020Q2: holders=765 2020Q3: holders=791 2020Q4: holders=861 2021Q1: holders=852 2021Q2: holders=866 2021Q3: holders=859 2021Q4: holders=969 2022Q1: holders=900 2022Q2: holders=857 2022Q3: holders=829 2022Q4: holders=901 2023Q1: holders=864 2023Q2: holders=840 2023Q3: holders=830 2023Q4: holders=870 2024Q1: holders=898 2024Q2: holders=897 2024Q3: holders=895 2024Q4: holders=882 2025Q1: holders=834 2025Q2: holders=799 2025Q3: holders=806 2025Q4: holders=959 2026Q1: holders=924 2026Q2: holders=962 -153 -76.5 +0 +76.5 +153 2256221018 13Q315Q116Q318Q119Q321Q122Q324Q125Q326Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 28 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q2 Top 20% — —
2025Q4 Top 5% — —
2024Q1 Top 10% — —
2023Q4 Top 20% — —
2022Q4 Top 5% — —
2021Q4 Top 5% — —
2020Q4 Top 10% — —
2020Q3 Top 10% — —

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
155
Change in large funds
+17
Total value they hold
$7.6B
Funds buying for the first time
121
Funds that sold out entirely
83
Price change that quarter
—
Funds holding puts (bearish)
14
Funds holding calls (bullish)
12

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

Email me the next update

2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.