Institutions Holding Call Options on Riot Blockchain, Inc. (RIOT)
This table provides information about the call option holders of Riot Blockchain, Inc. (RIOT). We have compiled data on the institutions that hold call options on the stock, with a total of 67.9 Million call options outstanding, which have been reported (via 13F filing form) to have a value of $947 Million at the end of the reported quarter. These call option holders have the right, but not the obligation, to buy AAPL shares at a specified price within a certain time frame.
| Holding | Report Date | calls Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
15,818,400
calls
|
$221 Million
0.04% of portfolio
|
N/A
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
11,291,000
calls
|
$158 Million
0.03% of portfolio
|
N/A
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
7,721,700
calls
|
$108 Million
0.02% of portfolio
|
N/A
|
|
|
Jane Street Group, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
6,719,600
calls
|
$93.7 Million
0.02% of portfolio
|
N/A
|
|
|
Peak6 LLC
Chicago, IL |
Nov 13, 2025 Q3 2025 |
4,013,700
calls
|
$56 Million
0.13% of portfolio
|
N/A
|
|
|
Barclays PLC
London, X0 |
Nov 12, 2025 Q3 2025 |
3,658,500
calls
|
$51 Million
0.01% of portfolio
|
N/A
|
|
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
Nov 14, 2025 Q3 2025 |
3,073,300
calls
|
$42.9 Million
0.09% of portfolio
|
N/A
|
|
|
Wolverine Trading, LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
2,148,000
calls
|
$30 Million
0.03% of portfolio
|
N/A
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Nov 14, 2025 Q3 2025 |
1,231,300
calls
|
$17.2 Million
0.01% of portfolio
|
N/A
|
|
|
Nomura Holdings Inc
Tokyo, M0 |
Nov 14, 2025 Q3 2025 |
1,192,900
calls
|
$16.6 Million
0.04% of portfolio
|
Q3 2025
Reduced 24.91%
|
|
|
Exodus Point Capital Management, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
1,166,700
calls
|
$16.3 Million
0.24% of portfolio
|
Q3 2025
Added 483.35%
|
|
|
Caption Management, LLC
Oklahoma City, OK |
Nov 14, 2025 Q3 2025 |
1,115,000
calls
|
$15.6 Million
0.2% of portfolio
|
Q3 2025
New holding
|
|
|
Citigroup Inc
|
Nov 10, 2025 Q3 2025 |
1,064,000
calls
|
$14.8 Million
0.01% of portfolio
|
N/A
|
|
|
Peak6 Investments LLC
Chicago, IL |
Nov 13, 2024 Q3 2024 |
898,100
calls
|
$12.5 Million
0.02% of portfolio
|
N/A
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
635,200
calls
|
$8.86 Million
0.02% of portfolio
|
N/A
|
|
|
Jefferies Financial Group Inc.
New York, NY |
Nov 12, 2025 Q3 2025 |
560,500
calls
|
$7.82 Million
0.05% of portfolio
|
N/A
|
|
|
Capital Fund Management S.A.
Paris, I0 |
Nov 13, 2025 Q3 2025 |
533,700
calls
|
$7.45 Million
0.03% of portfolio
|
N/A
|
|
|
Arosa Capital Management LP
Ny, NY |
Nov 14, 2025 Q3 2025 |
500,000
calls
|
$6.98 Million
2.09% of portfolio
|
Q3 2025
Reduced 58.33%
|
|
|
Centiva Capital, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
450,000
calls
|
$6.28 Million
0.09% of portfolio
|
Q3 2025
New holding
|
|
|
Sig Brokerage, LP
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
415,000
calls
|
$5.79 Million
0.23% of portfolio
|
Q3 2025
Reduced 6.43%
|
|
|
Drw Securities, L.L.C.
Chicago, IL |
Nov 14, 2022 Q3 2022 |
406,400
calls
|
$5.67 Million
0.06% of portfolio
|
N/A
|
|
|
Walleye Trading LLC
Plymouth, MN |
Nov 14, 2025 Q3 2025 |
361,600
calls
|
$5.04 Million
0.01% of portfolio
|
N/A
|
|
|
Qube Research & Technologies LTD
London, X0 |
Nov 14, 2025 Q3 2025 |
302,300
calls
|
$4.22 Million
0.01% of portfolio
|
N/A
|
|
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
Nov 14, 2025 Q3 2025 |
300,000
calls
|
$4.19 Million
0.03% of portfolio
|
Q2 2025
New holding
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
Nov 14, 2025 Q3 2025 |
255,700
calls
|
$3.57 Million
0.03% of portfolio
|
N/A
|
|