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iShares Biotechnology ETF
IBB
IBB
955 hedge funds and large institutions have $6.94B invested in iShares Biotechnology ETF in 2025 Q4 according to their latest regulatory filings, with 215 funds opening new positions, 275 increasing their positions, 219 reducing their positions, and 44 closing their positions.
New
Increased
Maintained
Reduced
Closed
389% more first-time investments, than exits
New positions opened: 215 | Existing positions closed: 44
71% more funds holding in top 10
Funds holding in top 10: 7 → 12 (+5)
50% more capital invested
Capital invested by funds: $4.63B → $6.94B (+$2.31B)
26% more repeat investments, than reductions
Existing positions increased: 275 | Existing positions reduced: 219
19% more funds holding
Funds holding: 803 → 955 (+152)
2.91% more ownership
Funds ownership: 80.08% → 82.98% (+2.9%)
1% less call options, than puts
Call options by funds: $257M | Put options by funds: $260M
Holders
955
Holders Change
+152
Holders Change %
+18.93%
% of All Funds
11.62%
Holding in Top 10
12
Holding in Top 10 Change
+5
Holding in Top 10 Change %
+71.43%
% of All Funds
0.15%
New
215
Increased
275
Reduced
219
Closed
44
Calls
$257M
Puts
$260M
Net Calls
-$3.01M
Net Calls Change
+$65.5M
Top Buyers
| 1 |
Citigroup
New York
|
+$247M |
| 2 |
Two Sigma Investments
New York
|
+$229M |
| 3 |
Envestnet Asset Management
Chicago,
Illinois
|
+$190M |
| 4 |
Raymond James Financial
St Petersburg,
Florida
|
+$120M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
+$107M |
Top Sellers
| 1 |
Goldman Sachs
New York
|
-$218M |
| 2 |
JP Morgan Chase
New York
|
-$116M |
| 3 |
BCM
Bronte Capital Management
Bondi Junction,
Australia
|
-$34M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$28.9M |
| 5 |
ERSOT
Employees Retirement System of Texas
Austin,
Texas
|
-$28.3M |