13D/13G Filings - MAGNITE INC. (MGNI)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-07-08
09:07 am
Purchase
2025-06-3013GMagnite, Inc.
MGNI
FMR LLC17,224,291
12.200%
7,501,741increase
(+77.16%)
Filing
History
2025-05-13
11:32 am
Purchase
2025-03-3113GMagnite, Inc.
MGNI
Capital Research Global Investors12,920,070
9.000%
5,194,835increase
(+67.25%)
Filing
History
2025-05-12
10:36 am
Purchase
2025-03-3113GMagnite, Inc.
MGNI
FMR LLC9,722,551
6.800%
5,922,357increase
(+155.84%)
Filing
History
2025-02-13
2:14 pm
Purchase
2024-12-3113GMagnite, Inc.
MGNI
Capital Research Global Investors7,725,235
5.500%
7,725,235increase
(New Position)
Filing
History
2024-11-12
4:08 pm
Sale
2024-11-0613GRUBICON PROJECT INC
RUBI
RTL Group GmbH0
0.000%
-12,374,315decrease
(Position Closed)
Filing
History
2024-11-12
10:32 am
Sale
2024-11-0813GMagnite, Inc.
MGNI
FMR LLC3,800,194
2.691%
-3,165,332decrease
(-45.44%)
Filing
History
2024-02-14
09:00 am
Sale
2023-12-3113GMagnite, Inc.
MGNI
Granahan Investment Management LLC6,726,268
4.880%
-3,692,745decrease
(-35.44%)
Filing
History
2024-02-13
5:08 pm
Purchase
2023-12-2913GMagnite, Inc.
MGNI
The Vanguard Group12,651,675
9.180%
214,776increase
(+1.73%)
Filing
History
2024-02-09
09:16 am
Purchase
2024-02-0813GMagnite, Inc.
MGNI
FMR LLC6,965,526
5.052%
614,585increase
(+9.68%)
Filing
History
2024-01-26
4:23 pm
Purchase
2023-12-3113GMagnite, Inc.
MGNI
BlackRock Inc.
BLK
10,030,800
7.300%
1,125,428increase
(+12.64%)
Filing
History
2023-07-14
09:12 am
Sale
2023-07-1213DAbsolute Software Corporation
ABST
Edenbrook Capital, LLC5,601,473
4.130%
-1,291,606decrease
(-18.74%)
Filing
History
2023-02-14
1:58 pm
Purchase
2022-12-3113GMagnite, Inc.
MGNI
Granahan Investment Management LLC10,419,013
7.810%
1,936,656increase
(+22.83%)
Filing
History
2023-02-09
11:25 am
Purchase
2022-12-3013GMagnite, Inc.
MGNI
The Vanguard Group12,436,899
9.320%
614,518increase
(+5.20%)
Filing
History
2023-02-09
11:18 am
Sale
2023-02-0913GMagnite, Inc.
MGNI
FMR LLC6,350,941
4.753%
-3,379,061decrease
(-34.73%)
Filing
History
2023-01-31
5:52 pm
Purchase
2022-12-3113GMagnite, Inc.
MGNI
BlackRock Inc.
BLK
8,905,372
6.700%
595,667increase
(+7.17%)
Filing
History
2022-11-10
4:26 pm
Purchase
2022-11-0813DAbsolute Software Corporation
ABST
Edenbrook Capital, LLC6,893,079
5.170%
6,893,079increase
(New Position)
Filing
History
2022-02-14
5:24 pm
Purchase
2021-12-3113GMagnite, Inc.
MGNI
Granahan Investment Management LLC8,482,357
6.440%
8,482,357increase
(New Position)
Filing
History
2022-02-10
08:22 am
Purchase
2021-12-3113GMagnite, Inc.
MGNI
The Vanguard Group11,822,381
8.970%
11,822,381increase
(New Position)
Filing
History
2022-02-09
09:22 am
Purchase
2022-02-0813GMagnite, Inc.
MGNI
FMR LLC9,730,002
7.381%
9,730,002increase
(New Position)
Filing
History
2022-02-03
4:41 pm
Purchase
2021-12-3113GMagnite, Inc.
MGNI
BlackRock Inc.
BLK
8,309,705
6.300%
279,675increase
(+3.48%)
Filing
History
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