Calamos Advisors LLC has opened a new $20.1M position in $IBB, per a new SEC 13F filing. This disclosure reflects the funds' holdings for the 09-30-2025 report period. You can see the fund's full portfolio on Quiver Quantitative, and also track the largest institutional owners of $IBB.
$IBB Hedge Fund Activity
We have seen 193 institutional investors add shares of $IBB stock to their portfolio, and 438 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- GOLDMAN SACHS GROUP INC added 1,952,538 shares (+368.7%) to their portfolio in Q2 2025, for an estimated $247,015,582
- CITIGROUP INC added 865,823 shares (+27.0%) to their portfolio in Q2 2025, for an estimated $109,535,267
- BANK OF AMERICA CORP /DE/ removed 830,457 shares (-11.9%) from their portfolio in Q2 2025, for an estimated $105,061,115
- MORGAN STANLEY added 817,621 shares (+29.2%) to their portfolio in Q2 2025, for an estimated $103,437,232
- MAIN MANAGEMENT ETF ADVISORS, LLC removed 612,180 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $77,446,891
- BNP PARIBAS FINANCIAL MARKETS removed 452,032 shares (-49.4%) from their portfolio in Q2 2025, for an estimated $57,186,568
- JPMORGAN CHASE & CO added 355,000 shares (+74.2%) to their portfolio in Q2 2025, for an estimated $44,911,050
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
Note that there may be inaccuracies in these estimates due to filing errors by the funds, parsing errors by us, or other anomalies.
Check out Quiver Quantitative's $IBB ticker page for more data.