MGNI — MAGNITE INC

Ownership history in Quantbot Technologies LP  ·  9 quarters on record

This page tracks every 13F SEC filing in which Quantbot Technologies LP reported a position in MAGNITE INC (MGNI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.12% (2021 Q4)
Avg. % of fund
0.04%
First filed
2020 Q3
Last filed
2025 Q3
Quarters held
9
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 4,047 -1,403 -25.7% 0.00% $88K $21.78
2024 Q4 REDUCED 5,450 -66,759 -92.5% 0.00% $87K $15.92
2023 Q2 REDUCED 72,209 -5,035 -6.5% 0.06% $986K $13.65
2023 Q1 ADDED 77,244 +21,218 +37.9% 0.05% $715K $9.26
5 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    MGNI price (monthly, adj. close)

Other funds also holding MGNI

As of 2025 Q4 — sorted by position size

Nine Ten Capital Management LLC 3Y 7Y 15.43% 325 CAPITAL LLC 3Y 11.4% Edenbrook Capital, LLC 3Y 8.44% Kopion Asset Management, LLC 3Y 7.13% GRIZZLYROCK CAPITAL, LLC 6.95% Norwood Investment Partners, LP 3Y 6.03% Meros Investment Management, LP 3Y 5.31% P.A.W. CAPITAL CORP 3Y 7Y 4.94% Edenbrook Capital, LLC 3Y 4.54% Ophir Asset Management Pty Ltd 3Y 4.34%
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