RAMBUS INC DEL

Ticker: RMBS CUSIP: 750917106 Class: EQTY

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 954,164 Value ($000) $87,678 Avg Close $98.40 Range $82.51 - $114.55

Q4 2023

Shares 772,842 Value ($000) $52,746 Avg Close $62.29 Range $48.13 - $71.90

Q3 2023

Shares 608,991 Value ($000) $33,976 Avg Close $56.74 Range $48.51 - $66.22

Q2 2023

Shares 607,623 Value ($000) $38,991 Avg Close $55.06 Range $43.58 - $68.54

Q1 2023

Shares 571,444 Value ($000) $29,292 Avg Close $42.95 Range $34.77 - $51.31

Q4 2022

Shares 379,636 Value ($000) $13,599 Avg Close $33.82 Range $24.81 - $39.34

Q1 2022

Shares 771,153 Value ($000) $24,592 Avg Close $27.68 Range $22.83 - $33.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	954,164	$87,678	$98.40	$82.51 - $114.55
Q4 2023	772,842	$52,746	$62.29	$48.13 - $71.90
Q3 2023	608,991	$33,976	$56.74	$48.51 - $66.22
Q2 2023	607,623	$38,991	$55.06	$43.58 - $68.54
Q1 2023	571,444	$29,292	$42.95	$34.77 - $51.31
Q4 2022	379,636	$13,599	$33.82	$24.81 - $39.34
Q1 2022	771,153	$24,592	$27.68	$22.83 - $33.75