Latest Institutional Purchases of Magnite, Inc. (MGNI)
This list provides information on the latest institutional transactions involving Magnite, Inc. (MGNI) stock that were buys. 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 purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jan 05, 2026
Q4 2025
|
Kopion Asset Management, LLC
|
BUY
|
- |
368K+ 149.17% |
$5.21M - $7.5M
|
614K
$8.69M
|
|
|
Jan 02, 2026
Q4 2025
|
Gamma Investing LLC
Foster City, CA |
BUY
|
- |
275+ 15.19% |
$3.89K - $5.61K
|
2.09K
$29.5K
|
|
| Q3 2025 | |||||||
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
2.43M+ 2066.23% |
$52.9M - $64.4M
|
2.55M
$36M
|
|
|
Nov 13, 2025
Q3 2025
|
Blue Grotto Capital, LLC
Atlanta, GA |
BUY
|
- |
1.26M+ 443.81% |
$27.5M - $33.5M
|
1.55M
$21.9M
|
|
|
Nov 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
1.09M+ 8.05% |
$23.8M - $29M
|
14.7M
$207M
|
|
|
Nov 14, 2025
Q3 2025
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
BUY
|
- |
891KNew |
$19.4M - $23.6M
|
891K
$12.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
876K+ 74.81% |
$19M - $23.2M
|
2.05M
$29M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
806K+ 283.63% |
$17.5M - $21.4M
|
1.09M
$15.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
676KNew |
$14.7M - $17.9M
|
676K
$9.57M
|
|
|
Nov 14, 2025
Q3 2025
|
325 Capital LLC
New York, NY |
BUY
|
- |
650KNew |
$14.1M - $17.2M
|
650K
$9.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
470K+ 24.54% |
$10.2M - $12.5M
|
2.39M
$33.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
- |
449KNew |
$9.77M - $11.9M
|
449K
$6.35M
|
|
|
Nov 14, 2025
Q3 2025
|
J. Goldman & CO LP
New York, NY |
BUY
|
- |
425K+ 70.4% |
$9.24M - $11.3M
|
1.03M
$14.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
PUT |
400KNew |
$8.7M - $10.6M
|
400K
$5.66M
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
383K+ 92.6% |
$8.33M - $10.2M
|
796K
$11.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
BUY
|
- |
375KNew |
$8.16M - $9.95M
|
375K
$5.31M
|
|
|
Nov 13, 2025
Q3 2025
|
Kennedy Capital Management, Inc.
St Louis, MO |
BUY
|
- |
344K+ 39.63% |
$7.49M - $9.14M
|
1.21M
$17.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
- |
305KNew |
$6.64M - $8.1M
|
305K
$4.32M
|
|
|
Nov 12, 2025
Q3 2025
|
Picton Mahoney Asset Management
Toronto, A6 |
BUY
|
- |
259K+ 202.96% |
$5.64M - $6.88M
|
387K
$5.48M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
248K+ 68.16% |
$5.4M - $6.59M
|
613K
$8.67M
|
|
|
Nov 12, 2025
Q3 2025
|
First Trust Advisors LP
Wheaton, IL |
BUY
|
- |
235K+ 338.69% |
$5.12M - $6.24M
|
305K
$4.31M
|
|
|
Nov 14, 2025
Q3 2025
|
Granahan Investment Management, LLC
Waltham, MA |
BUY
|
- |
230K+ 6.32% |
$5.01M - $6.11M
|
3.87M
$54.8M
|
|
|
Nov 07, 2025
Q3 2025
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
221K+ 22.31% |
$4.8M - $5.85M
|
1.21M
$17.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Polar Asset Management Partners Inc.
Toronto, A6 |
BUY
|
- |
214KNew |
$4.65M - $5.67M
|
214K
$3.03M
|
|
|
Nov 14, 2025
Q3 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
209KNew |
$4.54M - $5.54M
|
209K
$2.96M
|
|
|
Nov 14, 2025
Q3 2025
|
Ardsley Advisory Partners LP
Stamford, CT |
BUY
|
CALL |
195KNew |
$4.24M - $5.17M
|
195K
$2.76M
|
|
|
Nov 13, 2025
Q3 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
PUT |
194K+ 68.5% |
$4.22M - $5.14M
|
477K
$6.75M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
182K+ 5.67% |
$3.96M - $4.83M
|
3.4M
$48.1M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
179K+ 561.82% |
$3.9M - $4.76M
|
211K
$2.99M
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
166KNew |
$3.62M - $4.41M
|
166K
$2.36M
|
|
|
Nov 13, 2025
Q3 2025
|
Ray Dalio
Bridgewater Associates, LP | Westport, Ct
|
BUY
|
- |
146KNew |
$3.17M - $3.86M
|
146K
$2.06M
|
|
|
Nov 14, 2025
Q3 2025
|
Cannell Capital LLC
Alta, WY |
BUY
|
- |
139K+ 109.48% |
$3.01M - $3.67M
|
265K
$3.75M
|
|
|
Oct 28, 2025
Q3 2025
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
BUY
|
- |
133KNew |
$2.89M - $3.52M
|
133K
$1.88M
|
|
|
Oct 29, 2025
Q3 2025
|
Nippon Life Global Investors Americas, Inc.
|
BUY
|
- |
120KNew |
$2.62M - $3.19M
|
120K
$1.7M
|
|
|
Oct 27, 2025
Q3 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
BUY
|
- |
116K+ 35.18% |
$2.53M - $3.09M
|
447K
$6.33M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
BUY
|
CALL |
106KNew |
$2.31M - $2.81M
|
106K
$1.5M
|
|
|
Nov 07, 2025
Q3 2025
|
State Of New Jersey Common Pension Fund D
|
BUY
|
- |
94.5KNew |
$2.05M - $2.5M
|
94.5K
$1.34M
|
|
|
Nov 14, 2025
Q3 2025
|
J. Goldman & CO LP
New York, NY |
BUY
|
CALL |
93K+ 930.0% |
$2.02M - $2.47M
|
103K
$1.46M
|
|
|
Nov 14, 2025
Q3 2025
|
Xtx Topco LTD
London, X0 |
BUY
|
- |
81.4KNew |
$1.77M - $2.16M
|
81.4K
$1.15M
|
|
|
Nov 10, 2025
Q3 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
78.3K+ 6.87% |
$1.7M - $2.08M
|
1.22M
$17.2M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
75.6K+ 143.45% |
$1.64M - $2M
|
128K
$1.82M
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
73.2K+ 2.4% |
$1.59M - $1.94M
|
3.13M
$44.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
- |
71.3KNew |
$1.55M - $1.89M
|
71.3K
$1.01M
|
|
|
Oct 23, 2025
Q3 2025
|
Steinberganna Wealth Management
Huntington, NY |
BUY
|
- |
69KNew |
$1.5M - $1.83M
|
69K
$977K
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
PUT |
64.8K+ 623.08% |
$1.41M - $1.72M
|
75.2K
$1.06M
|
|
|
Nov 14, 2025
Q3 2025
|
Brown Advisory Inc
|
BUY
|
- |
64.7KNew |
$1.41M - $1.72M
|
64.7K
$915K
|
|
|
Nov 12, 2025
Q3 2025
|
Simplex Trading, LLC
|
BUY
|
- |
64.2K+ 121.53% |
$1.4M - $1.7M
|
117K
$1.66M
|
|
|
Nov 10, 2025
Q3 2025
|
Fox Run Management, L.L.C.
Greenwich, CT |
BUY
|
- |
63.8KNew |
$1.39M - $1.69M
|
63.8K
$902K
|
|
|
Nov 14, 2025
Q3 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
62.6K+ 26.32% |
$1.36M - $1.66M
|
300K
$4.25M
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
PUT |
61.3K+ 1977.42% |
$1.33M - $1.63M
|
64.4K
$911K
|
|