RMBS — RAMBUS INC DEL

Ownership history in XTX Topco Ltd  ·  5 quarters on record

This page tracks every 13F SEC filing in which XTX Topco Ltd reported a position in RAMBUS INC DEL (RMBS). 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
0.11% (2023 Q4)
Avg. % of fund
0.06%
First filed
2023 Q4
Last filed
2025 Q3
Quarters held
5
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 6,221 +1,750 +39.1% 0.03% $648K $104.20
2025 Q2 REDUCED 4,471 -31,104 -87.4% 0.01% $286K $64.02
2025 Q1 ADDED 35,575 +17,919 +101.5% 0.09% $1.8M $51.78
2024 Q3 ADDED 17,656 +10,152 +135.3% 0.05% $745K $42.22
2023 Q4 INITIATED 7,504 — — 0.11% $512K —
% of Fund (quarterly)    RMBS price (monthly, adj. close)

Other funds also holding RMBS

As of 2025 Q4 — sorted by position size

M37 Management LP 3.16% AMJ Financial Wealth Management 3Y 2.06% EMERALD ADVISERS, LLC 3Y 7Y 1.78% OBERWEIS ASSET MANAGEMENT INC/ 3Y 7Y 1.55% EdgePoint Investment Group Inc. 3Y 7Y 1.06% Granahan Investment Management, LLC 3Y 7Y 1.04% Gould Capital, LLC 3Y 1.04% Aurora Investment Counsel 3Y 7Y 0.93% CONGRESS ASSET MANAGEMENT CO 3Y 7Y 0.91% GLOBEFLEX CAPITAL L P 3Y 7Y 0.83%
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