Put Options Transactions Made in Q2 2025 in Ishares Biotechnology ETF (IBB)
This table provides information about the institutional ownership of Ishares Biotechnology ETF (IBB) during Q2 2025. The information is specifically focused on institutions that hold put options of ISHARES BIOTECHNOLOGY ETF.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Sofinnova Investments, Inc.
Menlo Park, CA |
BUY
|
PUT |
375KNew |
$42M - $48.4M
|
375K
$52.9M
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
PUT |
100K+ 395.26% |
$11.2M - $12.9M
|
125K
$17.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Barclays PLC
London, X0 |
BUY
|
PUT |
65.7KNew |
$7.36M - $8.48M
|
65.7K
$9.26M
|
|
|
Aug 14, 2025
Q2 2025
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
BUY
|
PUT |
58.5KNew |
$6.55M - $7.55M
|
58.5K
$8.25M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
BUY
|
PUT |
50KNew |
$5.6M - $6.45M
|
50K
$7.05M
|
|
|
Aug 13, 2025
Q2 2025
|
Capital Fund Management S.A.
Paris, I0 |
BUY
|
PUT |
46.1K+ 107.46% |
$5.16M - $5.95M
|
89K
$12.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
PUT |
36.5K+ 536.76% |
$4.09M - $4.71M
|
43.3K
$6.1M
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
PUT |
11.4KNew |
$1.28M - $1.47M
|
11.4K
$1.61M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
10.1K+ 26.72% |
$1.13M - $1.3M
|
47.9K
$6.75M
|
|
|
Aug 12, 2025
Q2 2025
|
Financial Advocates Investment Management
Olympia, WA |
BUY
|
PUT |
1.5KNew |
$168K - $194K
|
1.5K
$211K
|
|
|
Aug 14, 2025
Q2 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
PUT |
100New |
$11.2K - $12.9K
|
100
$14.1K
|
|
|
Aug 18, 2025
Q2 2025
|
Wolverine Trading, LLC
Chicago, IL |
SELL
|
PUT |
-100- 0.22% |
$11.2K - $12.9K
|
45.1K
$6.36M
|
|
|
Aug 27, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
SELL
|
PUT |
-600- 6.45% |
$67.2K - $77.4K
|
8.7K
$1.23M
|
|
|
Aug 14, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
SELL
|
PUT |
-600- 6.45% |
$67.2K - $77.4K
|
8.7K
$1.23M
|
|
|
Aug 14, 2025
Q2 2025
|
J. Goldman & CO LP
New York, NY |
SELL
|
PUT |
-23.4K- 79.59% |
$2.62M - $3.02M
|
6K
$846K
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-104K- 53.2% |
$11.6M - $13.4M
|
91.3K
$12.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-512K- 62.31% |
$57.4M - $66.1M
|
310K
$43.7M
|