Latest Institutional Sells of Magnite, Inc. (MGNI)
This list provides information on the latest institutional transactions involving Magnite, Inc. (MGNI) stock that were sells. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 13, 2025
Q3 2025
|
Capital Research Global Investors
Los Angeles, CA |
SELL
|
- |
-5.94M- 45.95% |
$129M - $157M
|
6.98M
$98.8M
|
|
|
Nov 13, 2025
Q3 2025
|
Edenbrook Capital, LLC
Mount Kisco, NY |
SELL
|
- |
-1.5M- 41.54% |
$32.6M - $39.8M
|
2.11M
$29.9M
|
|
|
Nov 12, 2025
Q3 2025
|
Dimensional Fund Advisors LP
Austin, TX |
SELL
|
- |
-1.33M- 27.23% |
$29M - $35.4M
|
3.57M
$50.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
SELL
|
- |
-1.31M- 75.46% |
$28.4M - $34.7M
|
425K
$6.02M
|
|
|
Nov 14, 2025
Q3 2025
|
Driehaus Capital Management LLC
Chicago, IL |
SELL
|
- |
-1.27M- 45.5% |
$27.5M - $33.6M
|
1.52M
$21.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Boston Partners
Boston, MA |
SELL
|
- |
-1.13M- 20.19% |
$24.5M - $29.9M
|
4.45M
$63M
|
|
|
Nov 14, 2025
Q3 2025
|
Frontier Capital Management CO LLC
|
SELL
|
- |
-701K- 39.06% |
$15.2M - $18.6M
|
1.09M
$15.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-666K- 79.7% |
$14.5M - $17.7M
|
170K
$2.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Grizzlyrock Capital, LLC
Chicago, IL |
SELL
|
- |
-583K- 59.88% |
$12.7M - $15.5M
|
391K
$5.53M
|
|
|
Nov 14, 2025
Q3 2025
|
Verition Fund Management LLC
Greenwich, CT |
SELL
|
- |
-507K- 85.17% |
$11M - $13.5M
|
88.3K
$1.25M
|
|
|
Oct 15, 2025
Q3 2025
|
Harbor Capital Advisors, Inc.
|
SELL
|
- |
-462K- 72.85% |
$10M - $12.3M
|
172K
$2.44M
|
|
|
Nov 12, 2025
Q3 2025
|
Nomura Asset Management CO LTD
Tokyo, M0 |
SELL
|
- |
-401K- 23.03% |
$8.72M - $10.6M
|
1.34M
$19M
|
|
|
Oct 28, 2025
Q3 2025
|
Stephens Investment Management Group LLC
|
SELL
|
- |
-386K- 28.56% |
$8.39M - $10.2M
|
965K
$13.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Ardsley Advisory Partners LP
Stamford, CT |
SELL
|
- |
-310K- 83.78% |
$6.74M - $8.22M
|
60K
$849K
|
|
|
Nov 14, 2025
Q3 2025
|
Wellington Management Group LLP
Boston, MA |
SELL
|
- |
-303K- 5.57% |
$6.6M - $8.04M
|
5.14M
$72.8M
|
|
|
Oct 31, 2025
Q3 2025
|
Maestria Partners LLC
Atlanta, GA |
SELL
|
- |
-293K- 20.44% |
$6.38M - $7.77M
|
1.14M
$16.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Silvercrest Asset Management Group LLC
New York, NY |
SELL
|
- |
-279K- 34.73% |
$6.08M - $7.41M
|
525K
$7.43M
|
|
|
Nov 12, 2025
Q3 2025
|
American Century Companies Inc
Kansas City, MO |
SELL
|
- |
-235K- 4.87% |
$5.11M - $6.24M
|
4.59M
$65M
|
|
|
Nov 14, 2025
Q3 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
SELL
|
- |
-222K- 40.88% |
$4.83M - $5.89M
|
321K
$4.54M
|
|
|
Nov 14, 2025
Q3 2025
|
Apis Capital Advisors, LLC
New York, NY |
SELL
|
- |
-209K- 19.9% |
$4.54M - $5.53M
|
839K
$11.9M
|
|
|
Oct 30, 2025
Q3 2025
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
SELL
|
- |
-201K- 32.75% |
$4.38M - $5.33M
|
413K
$5.85M
|
|
|
Nov 14, 2025
Q3 2025
|
Ubs Oconnor LLC
Chicago, IL |
SELL
|
CALL |
-200K- 46.3% |
$4.35M - $5.3M
|
232K
$3.28M
|
|
|
Nov 12, 2025
Q3 2025
|
Advantage Alpha Capital Partners LP
San Francisco, CA |
SELL
|
- |
-182K- 53.16% |
$3.96M - $4.83M
|
160K
$2.27M
|
|
|
Nov 03, 2025
Q3 2025
|
Lisanti Capital Growth, LLC
|
SELL
|
- |
-179K- 48.6% |
$3.89M - $4.74M
|
189K
$2.68M
|
|
|
Nov 10, 2025
Q3 2025
|
Dana Investment Advisors, Inc.
Brookfield, WI |
SELL
|
- |
-177K- 30.17% |
$3.85M - $4.69M
|
409K
$5.79M
|
|
|
Nov 12, 2025
Q3 2025
|
Nuveen, LLC
Charlotte, NC |
SELL
|
- |
-159K- 4.89% |
$3.46M - $4.22M
|
3.09M
$43.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Alta Park Capital, LP
San Francisco, CA |
SELL
|
- |
-158K- 38.18% |
$3.43M - $4.19M
|
256K
$3.62M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-148K- 42.39% |
$3.23M - $3.94M
|
202K
$2.85M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-146K- 22.96% |
$3.17M - $3.87M
|
489K
$6.92M
|
|
|
Nov 07, 2025
Q3 2025
|
King Luther Capital Management Corp
Fort Worth, TX |
SELL
|
- |
-111K- 19.76% |
$2.41M - $2.94M
|
450K
$6.37M
|
|
|
Nov 12, 2025
Q3 2025
|
Royce & Associates LP
|
SELL
|
- |
-102K- 9.44% |
$2.21M - $2.7M
|
976K
$13.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Clough Capital Partners L P
Boston, MA |
SELL
|
- |
-90.6K- 48.91% |
$1.97M - $2.4M
|
94.7K
$1.34M
|
|
|
Oct 30, 2025
Q3 2025
|
Dilation Capital Management LP
New York, NY |
SELL
|
- |
-88.8K- 26.54% |
$1.93M - $2.36M
|
246K
$3.48M
|
|
|
Nov 14, 2025
Q3 2025
|
Meros Investment Management, LP
Dallas, TX |
SELL
|
- |
-88.3K- 12.58% |
$1.92M - $2.34M
|
614K
$8.69M
|
|
|
Nov 14, 2025
Q3 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
SELL
|
- |
-82.9K- 21.07% |
$1.8M - $2.2M
|
311K
$4.4M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
SELL
|
- |
-75.1K- 31.51% |
$1.63M - $1.99M
|
163K
$2.31M
|
|
|
Nov 04, 2025
Q3 2025
|
Envestnet Asset Management Inc
|
SELL
|
- |
-71.8K- 29.67% |
$1.56M - $1.9M
|
170K
$2.41M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
SELL
|
- |
-63.5K- 23.17% |
$1.38M - $1.69M
|
211K
$2.98M
|
|
|
Nov 04, 2025
Q3 2025
|
Thrivent Financial For Lutherans
Minneapolis, MN |
SELL
|
- |
-63.3K- 61.47% |
$1.38M - $1.68M
|
39.6K
$561K
|
|
|
Nov 03, 2025
Q3 2025
|
Efg Asset Management (North America) Corp.
|
SELL
|
- |
-50.5K- 25.12% |
$1.1M - $1.34M
|
151K
$2.13M
|
|
|
Nov 12, 2025
Q3 2025
|
P.A.W. Capital Corp
|
SELL
|
- |
-50K- 33.33% |
$1.09M - $1.33M
|
100K
$1.42M
|
|
|
Nov 14, 2025
Q3 2025
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
SELL
|
- |
-45.1K- 25.67% |
$982K - $1.2M
|
131K
$1.85M
|
|
|
Nov 13, 2025
Q3 2025
|
Comerica Bank
|
SELL
|
- |
-43.5K- 30.69% |
$945K - $1.15M
|
98.2K
$1.39M
|
|
|
Nov 12, 2025
Q3 2025
|
First Eagle Investment Management, LLC
|
SELL
|
- |
-42.7K- 6.9% |
$928K - $1.13M
|
575K
$8.14M
|
|
|
Oct 09, 2025
Q3 2025
|
Voya Investment Management LLC
Atlanta, GA |
SELL
|
- |
-41.5K- 18.09% |
$903K - $1.1M
|
188K
$2.66M
|
|
|
Nov 14, 2025
Q3 2025
|
Prelude Capital Management, LLC
New York, NY |
SELL
|
- |
-39.9K- 25.99% |
$868K - $1.06M
|
114K
$1.61M
|
|
|
Nov 13, 2025
Q3 2025
|
S Squared Technology, LLC
New York, NY |
SELL
|
- |
-38.8K- 12.64% |
$843K - $1.03M
|
268K
$3.79M
|
|
|
Nov 12, 2025
Q3 2025
|
Legato Capital Management LLC
|
SELL
|
- |
-35.3K- 50.03% |
$767K - $935K
|
35.2K
$498K
|
|
|
Nov 24, 2025
Q3 2025
|
Penn Capital Management Company, LLC
Philadelphia, PA |
SELL
|
- |
-33.9K- 4.53% |
$737K - $899K
|
714K
$10.1M
|
|
|
Nov 12, 2025
Q3 2025
|
Norwood Investment Partners, LP
|
SELL
|
- |
-32K- 6.93% |
$696K - $849K
|
430K
$6.08M
|
|