Simplex Trading, LLC Magnite, Inc. Transaction History

Simplex Trading, LLC

$195 Billion
Q3 2025

A detailed history of Simplex Trading, LLC transactions in Magnite, Inc. stock. As of the latest transaction made, Simplex Trading, LLC holds 117,045 shares of MGNI stock, worth $1.66 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

117,045

Previous 52,834 121.53%

Holding current value

$1.66 Million

Previous $1.27 Million 100.08%

% of portfolio

0.0%

Previous 0.0%

15 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 12, 2025	BUY	$21.75 - $26.52 $1.4 Million - $1.7 Million	64,211 Added 121.53%	117,045 $2.55 Million
Q2 2025 Aug 05, 2025	BUY	$9.0 - $24.12 $475,506 - $1.27 Million	52,834 New	52,834 $1.27 Million
Q4 2024 Feb 11, 2025	SELL	$11.91 - $18.0 $669,008 - $1.01 Million	-56,172 Reduced 63.72%	31,987 $509,000
Q3 2024 Nov 08, 2024	BUY	$12.37 - $15.84 $997,454 - $1.28 Million	80,635 Added 1071.7%	88,159 $1.22 Million
Q2 2024 Jul 25, 2024	BUY	$8.46 - $13.87 $63,653 - $104,357	7,524 New	7,524 $99,000

Q2 2023 Aug 04, 2023	BUY	$8.41 - $13.85 $103,695 - $170,770	12,330 Added 105.14%	24,057 $328,000
Q1 2023 Apr 27, 2023	SELL	$8.4 - $13.76 $232,688 - $381,165	-27,701 Reduced 70.26%	11,727 $108,000
Q4 2022 Feb 02, 2023	BUY	$5.78 - $12.66 $227,893 - $499,158	39,428 New	39,428 $417,000
Q2 2022 Aug 03, 2022	SELL	$8.88 - $14.22 $241,358 - $386,499	-27,180 Reduced 47.05%	30,590 $271,000
Q1 2022 May 02, 2022	SELL	$10.53 - $17.83 $186,412 - $315,644	-17,703 Reduced 23.46%	57,770 $763,000
Q4 2021 Feb 23, 2022	BUY	$16.6 - $30.58 $1.25 Million - $2.31 Million	75,473 New	75,473 $1.32 Million
Q2 2021 Aug 12, 2021	SELL	$24.53 - $42.8 $1.21 Million - $2.12 Million	-49,469 Closed	0 $0
Q1 2021 Apr 26, 2021	BUY	$25.08 - $61.8 $355,458 - $875,891	14,173 Added 40.15%	49,469 $2.06 Million
Q4 2020 Feb 02, 2021	SELL	$7.23 - $32.5 $72,365 - $325,292	-10,009 Reduced 22.09%	35,296 $1.08 Million
Q3 2020 Oct 14, 2020	BUY	$5.67 - $7.88 $256,879 - $357,003	45,305 New	45,305 $314,000

Others Institutions Holding MGNI

# of Institutions

375

Shares Held

123M

Call Options Held

5.5M

Put Options Held

3.72M

View Full List

About MAGNITE, INC.

Ticker MGNI
Exchange NASDAQ
Sector Communication Services
Industry Advertising Agencies
Shares Outstandng 132,937,000
Market Cap $1.88B
Description
Magnite, Inc. operates an independent sell-side advertising platform in the United States and internationally. The company's platform offers applications and services for sellers of digital advertising inventory or publishers that own and operate CTV channels, applications, websites, and other digital media properties, to manage and monetize the...

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Simplex Trading, LLC Magnite, Inc. Transaction History