Institutions Holding Call Options on Magnite, Inc. (MGNI)
This table provides information about the call option holders of Magnite, Inc. (MGNI). We have compiled data on the institutions that hold call options on the stock, with a total of 5.5 Million call options outstanding, which have been reported (via 13F filing form) to have a value of $77.9 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 |
|---|---|---|---|---|---|
|
Caption Management, LLC
Oklahoma City, OK |
Nov 14, 2025 Q3 2025 |
1,669,700
calls
|
$23.6 Million
0.34% of portfolio
|
N/A
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
1,207,100
calls
|
$17.1 Million
0.0% of portfolio
|
N/A
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
330,000
calls
|
$4.67 Million
0.0% of portfolio
|
N/A
|
|
|
Jane Street Group, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
299,700
calls
|
$4.24 Million
0.0% of portfolio
|
N/A
|
|
|
Walleye Trading LLC
Plymouth, MN |
Nov 14, 2025 Q3 2025 |
280,300
calls
|
$3.97 Million
0.01% of portfolio
|
N/A
|
|
|
Ubs Oconnor LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
232,000
calls
|
$3.28 Million
0.5% of portfolio
|
Q3 2025
Reduced 46.3%
|
|
|
Peak6 Investments LLC
Chicago, IL |
Nov 13, 2024 Q3 2024 |
227,400
calls
|
$3.22 Million
0.01% of portfolio
|
N/A
|
|
|
Peak6 LLC
Chicago, IL |
Nov 13, 2025 Q3 2025 |
225,800
calls
|
$3.2 Million
0.01% of portfolio
|
N/A
|
|
|
Ardsley Advisory Partners LP
Stamford, CT |
Nov 14, 2025 Q3 2025 |
195,000
calls
|
$2.76 Million
0.6% of portfolio
|
Q3 2025
New holding
|
|
|
Wolverine Trading, LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
192,100
calls
|
$2.72 Million
0.0% of portfolio
|
N/A
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
159,000
calls
|
$2.25 Million
0.0% of portfolio
|
N/A
|
|
|
Citigroup Inc
|
Nov 10, 2025 Q3 2025 |
106,100
calls
|
$1.5 Million
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
J. Goldman & CO LP
New York, NY |
Nov 14, 2025 Q3 2025 |
103,000
calls
|
$1.46 Million
0.07% of portfolio
|
Q3 2025
Added 930.0%
|
|
|
Walleye Capital LLC
Plymouth, MN |
Nov 14, 2025 Q3 2025 |
53,900
calls
|
$762,685
0.0% of portfolio
|
N/A
|
|
|
Hsbc Holdings PLC
London, X0 |
Nov 13, 2025 Q3 2025 |
50,000
calls
|
$707,500
0.0% of portfolio
|
N/A
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Nov 14, 2025 Q3 2025 |
32,700
calls
|
$462,705
0.0% of portfolio
|
N/A
|
|
|
Cubist Systematic Strategies, LLC
Stamford, CT |
Nov 14, 2025 Q3 2025 |
31,000
calls
|
$438,650
0.0% of portfolio
|
N/A
|
|
|
Capital Fund Management S.A.
Paris, I0 |
Nov 13, 2025 Q3 2025 |
29,200
calls
|
$413,180
0.0% of portfolio
|
Q3 2025
Reduced 10.7%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Nov 14, 2025 Q3 2025 |
27,400
calls
|
$387,710
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Squarepoint Ops LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
20,400
calls
|
$288,660
0.0% of portfolio
|
N/A
|
|
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
Nov 14, 2025 Q3 2025 |
14,000
calls
|
$198,100
0.0% of portfolio
|
N/A
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
12,700
calls
|
$179,705
0.0% of portfolio
|
Q3 2025
Reduced 24.85%
|
|
|
Cutler Group LP
|
Apr 19, 2024 Q1 2024 |
3,600
calls
|
$50,940
0.0% of portfolio
|
Q1 2024
Reduced 5.26%
|
|