RAMBUS INC DEL

Ticker: RMBS CUSIP: 750917106 Class: EQTY

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 1,900,308 Value ($000) $174,619 Avg Close $98.40 Range $82.51 - $114.55

Q3 2025

Shares 1,822,030 Value ($000) $189,856 Avg Close $77.09 Range $61.16 - $109.15

Q2 2025

Shares 270,871 Value ($000) $17,341 Avg Close $53.58 Range $40.12 - $64.90

Q1 2025

Shares 227,798 Value ($000) $11,794 Avg Close $58.74 Range $50.01 - $69.15

Q4 2024

Shares 233,636 Value ($000) $12,350 Avg Close $50.98 Range $39.56 - $60.84

Q3 2024

Shares 236,453 Value ($000) $9,983 Avg Close $48.47 Range $37.42 - $67.74

Q2 2024

Shares 258,379 Value ($000) $15,182 Avg Close $57.16 Range $52.52 - $63.31

Q1 2024

Shares 268,017 Value ($000) $16,566 Avg Close $63.29 Range $53.11 - $76.38

Q4 2023

Shares 245,303 Value ($000) $16,742 Avg Close $62.29 Range $48.13 - $71.90

Q3 2023

Shares 149,949 Value ($000) $8,366 Avg Close $56.74 Range $48.51 - $66.22

Q2 2023

Shares 150,001 Value ($000) $9,626 Avg Close $55.06 Range $43.58 - $68.54

Q1 2023

Shares 146,932 Value ($000) $7,532 Avg Close $42.95 Range $34.77 - $51.31

Q4 2022

Shares 167,280 Value ($000) $5,992 Avg Close $33.82 Range $24.81 - $39.34

Q3 2022

Shares 153,049 Value ($000) $3,891 Avg Close $25.00 Range $20.00 - $28.79

Q2 2022

Shares 152,727 Value ($000) $3,282 Avg Close $24.73 Range $20.46 - $32.21

Q1 2022

Shares 150,612 Value ($000) $4,803 Avg Close $27.68 Range $22.83 - $33.75

Q4 2021

Shares 158,454 Value ($000) $4,657 Avg Close $25.43 Range $21.65 - $29.89

Q3 2021

Shares 164,758 Value ($000) $3,658 Avg Close $23.54 Range $22.19 - $25.19

Q2 2021

Shares 176,728 Value ($000) $4,190 Avg Close $20.13 Range $17.95 - $23.97

Q1 2021

Shares 159,468 Value ($000) $3,100 Avg Close $20.08 Range $17.44 - $22.30

Q4 2020

Shares 178,378 Value ($000) $3,114 Avg Close $15.69 Range $13.48 - $18.54

Q3 2020

Shares 178,628 Value ($000) $2,445 Avg Close $14.20 Range $13.08 - $15.61

Q2 2020

Shares 180,048 Value ($000) $2,737 Avg Close $14.09 Range $10.36 - $16.50

Q1 2020

Shares 158,744 Value ($000) $1,762 Avg Close $13.85 Range $9.01 - $16.98

Q4 2019

Shares 158,394 Value ($000) $2,182 Avg Close $13.42 Range $12.45 - $14.83

Q3 2019

Shares 154,476 Value ($000) $2,027 Avg Close $12.54 Range $11.23 - $14.29

Q2 2019

Shares 179,626 Value ($000) $2,163 Avg Close $11.46 Range $10.50 - $12.24

Q1 2019

Shares 134,976 Value ($000) $1,410 Avg Close $9.60 Range $7.55 - $10.93

Q4 2018

Shares 135,080 Value ($000) $1,036 Avg Close $8.69 Range $7.17 - $10.99

Q3 2018

Shares 129,880 Value ($000) $1,417 Avg Close $12.17 Range $10.76 - $13.61

Q2 2018

Shares 136,680 Value ($000) $1,714 Avg Close $13.52 Range $12.54 - $14.30

Q1 2018

Shares 166,703 Value ($000) $2,239 Avg Close $13.39 Range $11.85 - $14.63

Q4 2017

Shares 163,720 Value ($000) $2,328 Avg Close $14.38 Range $13.32 - $15.50

Q3 2017

Shares 179,120 Value ($000) $2,391 Avg Close $12.85 Range $11.30 - $13.64

Q2 2017

Shares 179,120 Value ($000) $2,047 Avg Close $12.28 Range $11.39 - $13.41

Q1 2017

Shares 194,520 Value ($000) $2,556 Avg Close $13.14 Range $12.37 - $14.24

Q4 2016

Shares 194,520 Value ($000) $2,679 Avg Close $12.95 Range $11.44 - $14.39

Q3 2016

Shares 194,520 Value ($000) $2,432 Avg Close $13.21 Range $11.42 - $14.50

Q2 2016

Shares 200,820 Value ($000) $2,426 Avg Close $12.19 Range $11.13 - $13.97

Q1 2016

Shares 204,620 Value ($000) $2,814 Avg Close $12.40 Range $10.66 - $13.99

Q4 2015

Shares 210,220 Value ($000) $2,436 Avg Close $11.54 Range $9.86 - $14.07

Q3 2015

Shares 210,220 Value ($000) $2,481 Avg Close $12.99 Range $10.36 - $14.80

Q2 2015

Shares 218,740 Value ($000) $3,170 Avg Close $14.29 Range $12.44 - $15.49

Q1 2015

Shares 218,740 Value ($000) $2,751 Avg Close $11.76 Range $10.01 - $12.88

Q4 2014

Shares 223,240 Value ($000) $2,476 Avg Close $11.33 Range $9.87 - $12.55

Q3 2014

Shares 223,240 Value ($000) $2,786 Avg Close $12.62 Range $11.27 - $14.77

Q2 2014

Shares 223,240 Value ($000) $3,192 Avg Close $12.36 Range $10.74 - $14.82

Q1 2014

Shares 199,140 Value ($000) $2,141 Avg Close $9.38 Range $8.38 - $11.00

Q4 2013

Shares 199,145 Value ($000) $1,886 Avg Close $9.01 Range $8.15 - $10.57

Q3 2013

Shares 207,640 Value ($000) $1,952 Avg Close $9.16 Range $7.95 - $10.85

Q2 2013

Shares 209,196 Value ($000) $1,797 Avg Close $7.45 Range $5.31 - $8.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,900,308	$174,619	$98.40	$82.51 - $114.55
Q3 2025	1,822,030	$189,856	$77.09	$61.16 - $109.15
Q2 2025	270,871	$17,341	$53.58	$40.12 - $64.90
Q1 2025	227,798	$11,794	$58.74	$50.01 - $69.15
Q4 2024	233,636	$12,350	$50.98	$39.56 - $60.84
Q3 2024	236,453	$9,983	$48.47	$37.42 - $67.74
Q2 2024	258,379	$15,182	$57.16	$52.52 - $63.31
Q1 2024	268,017	$16,566	$63.29	$53.11 - $76.38
Q4 2023	245,303	$16,742	$62.29	$48.13 - $71.90
Q3 2023	149,949	$8,366	$56.74	$48.51 - $66.22
Q2 2023	150,001	$9,626	$55.06	$43.58 - $68.54
Q1 2023	146,932	$7,532	$42.95	$34.77 - $51.31
Q4 2022	167,280	$5,992	$33.82	$24.81 - $39.34
Q3 2022	153,049	$3,891	$25.00	$20.00 - $28.79
Q2 2022	152,727	$3,282	$24.73	$20.46 - $32.21
Q1 2022	150,612	$4,803	$27.68	$22.83 - $33.75
Q4 2021	158,454	$4,657	$25.43	$21.65 - $29.89
Q3 2021	164,758	$3,658	$23.54	$22.19 - $25.19
Q2 2021	176,728	$4,190	$20.13	$17.95 - $23.97
Q1 2021	159,468	$3,100	$20.08	$17.44 - $22.30
Q4 2020	178,378	$3,114	$15.69	$13.48 - $18.54
Q3 2020	178,628	$2,445	$14.20	$13.08 - $15.61
Q2 2020	180,048	$2,737	$14.09	$10.36 - $16.50
Q1 2020	158,744	$1,762	$13.85	$9.01 - $16.98
Q4 2019	158,394	$2,182	$13.42	$12.45 - $14.83
Q3 2019	154,476	$2,027	$12.54	$11.23 - $14.29
Q2 2019	179,626	$2,163	$11.46	$10.50 - $12.24
Q1 2019	134,976	$1,410	$9.60	$7.55 - $10.93
Q4 2018	135,080	$1,036	$8.69	$7.17 - $10.99
Q3 2018	129,880	$1,417	$12.17	$10.76 - $13.61
Q2 2018	136,680	$1,714	$13.52	$12.54 - $14.30
Q1 2018	166,703	$2,239	$13.39	$11.85 - $14.63
Q4 2017	163,720	$2,328	$14.38	$13.32 - $15.50
Q3 2017	179,120	$2,391	$12.85	$11.30 - $13.64
Q2 2017	179,120	$2,047	$12.28	$11.39 - $13.41
Q1 2017	194,520	$2,556	$13.14	$12.37 - $14.24
Q4 2016	194,520	$2,679	$12.95	$11.44 - $14.39
Q3 2016	194,520	$2,432	$13.21	$11.42 - $14.50
Q2 2016	200,820	$2,426	$12.19	$11.13 - $13.97
Q1 2016	204,620	$2,814	$12.40	$10.66 - $13.99
Q4 2015	210,220	$2,436	$11.54	$9.86 - $14.07
Q3 2015	210,220	$2,481	$12.99	$10.36 - $14.80
Q2 2015	218,740	$3,170	$14.29	$12.44 - $15.49
Q1 2015	218,740	$2,751	$11.76	$10.01 - $12.88
Q4 2014	223,240	$2,476	$11.33	$9.87 - $12.55
Q3 2014	223,240	$2,786	$12.62	$11.27 - $14.77
Q2 2014	223,240	$3,192	$12.36	$10.74 - $14.82
Q1 2014	199,140	$2,141	$9.38	$8.38 - $11.00
Q4 2013	199,145	$1,886	$9.01	$8.15 - $10.57
Q3 2013	207,640	$1,952	$9.16	$7.95 - $10.85
Q2 2013	209,196	$1,797	$7.45	$5.31 - $8.99