CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000922127)

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

Q4 2025

Shares 58,704 Value ($000) $13,729 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 65,288 Value ($000) $9,511 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 70,689 Value ($000) $5,749 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 76,529 Value ($000) $4,625 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 106,642 Value ($000) $9,044 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 133,856 Value ($000) $8,244 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 132,278 Value ($000) $6,373 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 136,274 Value ($000) $6,739 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 135,509 Value ($000) $6,099 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 130,492 Value ($000) $6,167 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 140,700 Value ($000) $5,978 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 150,623 Value ($000) $7,911 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 153,270 Value ($000) $7,814 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 152,388 Value ($000) $6,161 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 159,419 Value ($000) $7,285 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 167,122 Value ($000) $10,133 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 163,632 Value ($000) $12,595 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 161,402 Value ($000) $8,288 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 162,119 Value ($000) $9,223 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 170,448 Value ($000) $9,327 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 175,609 Value ($000) $9,281 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 156,981 Value ($000) $6,231 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 155,946 Value ($000) $8,446 Avg Close $49.71 Range $38.00 - $57.19

Q1 2020

Shares 157,871 Value ($000) $6,285 Avg Close $41.03 Range $30.58 - $44.61

Q4 2019

Shares 152,294 Value ($000) $6,501 Avg Close $38.10 Range $33.22 - $43.97

Q3 2019

Shares 151,945 Value ($000) $5,961 Avg Close $41.92 Range $37.94 - $46.78

Q2 2019

Shares 159,880 Value ($000) $6,576 Avg Close $38.48 Range $32.76 - $46.23

Q1 2019

Shares 233,672 Value ($000) $8,725 Avg Close $38.83 Range $32.85 - $45.70

Q4 2018

Shares 231,688 Value ($000) $7,857 Avg Close $31.69 Range $28.23 - $36.55

Q3 2018

Shares 120,610 Value ($000) $3,768 Avg Close $28.02 Range $25.19 - $32.33

Q2 2018

Shares 122,638 Value ($000) $3,251 Avg Close $25.40 Range $22.99 - $27.10

Q1 2018

Shares 118,577 Value ($000) $3,071 Avg Close $23.53 Range $20.71 - $27.73

Q4 2017

Shares 115,048 Value ($000) $2,408 Avg Close $21.20 Range $19.40 - $22.63

Q3 2017

Shares 115,341 Value ($000) $2,534 Avg Close $23.93 Range $20.86 - $26.92

Q2 2017

Shares 115,250 Value ($000) $2,884 Avg Close $23.96 Range $21.43 - $27.98

Q1 2017

Shares 112,532 Value ($000) $2,657 Avg Close $24.52 Range $22.73 - $26.84

Q4 2016

Shares 108,179 Value ($000) $2,641 Avg Close $21.85 Range $18.94 - $25.19

Q3 2016

Shares 101,740 Value ($000) $2,218 Avg Close $20.85 Range $17.59 - $23.60

Q2 2016

Shares 94,543 Value ($000) $1,773 Avg Close $18.11 Range $15.62 - $21.87

Q1 2016

Shares 88,868 Value ($000) $1,690 Avg Close $18.47 Range $16.32 - $21.14

Q4 2015

Shares 84,544 Value ($000) $1,749 Avg Close $22.97 Range $18.98 - $25.46

Q3 2015

Shares 84,363 Value ($000) $1,748 Avg Close $23.24 Range $17.97 - $26.50

Q2 2015

Shares 75,795 Value ($000) $1,795 Avg Close $22.84 Range $18.75 - $26.20

Q1 2015

Shares 67,672 Value ($000) $1,307 Avg Close $19.93 Range $17.86 - $21.47

Q4 2014

Shares 67,234 Value ($000) $1,305 Avg Close $16.70 Range $13.77 - $20.14

Q3 2014

Shares 66,919 Value ($000) $1,119 Avg Close $19.60 Range $16.66 - $22.46

Q2 2014

Shares 64,948 Value ($000) $1,407 Avg Close $20.54 Range $18.00 - $24.21

Q1 2014

Shares 64,918 Value ($000) $1,476 Avg Close $23.52 Range $21.41 - $27.16

Q4 2013

Shares 61,881 Value ($000) $1,404 Avg Close $23.81 Range $20.93 - $27.94

Q3 2013

Shares 63,200 Value ($000) $1,579 Avg Close $22.53 Range $19.37 - $26.17

Q2 2013

Shares 60,919 Value ($000) $1,183 Avg Close $16.65 Range $14.14 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	58,704	$13,729	$194.00	$143.19 - $248.00
Q3 2025	65,288	$9,511	$101.84	$76.89 - $146.53
Q2 2025	70,689	$5,749	$71.73	$49.21 - $86.21
Q1 2025	76,529	$4,625	$79.05	$58.04 - $101.44
Q4 2024	106,642	$9,044	$71.76	$59.60 - $91.82
Q3 2024	133,856	$8,244	$52.69	$44.89 - $63.06
Q2 2024	132,278	$6,373	$47.46	$43.30 - $53.58
Q1 2024	136,274	$6,739	$52.75	$44.22 - $63.24
Q4 2023	135,509	$6,099	$44.09	$39.94 - $48.36
Q3 2023	130,492	$6,167	$44.08	$40.10 - $50.72
Q2 2023	140,700	$5,978	$45.54	$40.84 - $52.67
Q1 2023	150,623	$7,911	$49.92	$45.83 - $54.25
Q4 2022	153,270	$7,814	$45.21	$38.33 - $52.51
Q3 2022	152,388	$6,161	$48.05	$39.44 - $56.38
Q2 2022	159,419	$7,285	$51.84	$41.63 - $61.78
Q1 2022	167,122	$10,133	$65.45	$53.29 - $77.38
Q4 2021	163,632	$12,595	$61.70	$51.01 - $78.28
Q3 2021	161,402	$8,288	$55.54	$50.34 - $58.85
Q2 2021	162,119	$9,223	$55.12	$49.51 - $61.09
Q1 2021	170,448	$9,327	$53.81	$47.52 - $57.57
Q4 2020	175,609	$9,281	$44.43	$38.03 - $54.05
Q3 2020	156,981	$6,231	$52.62	$38.20 - $61.52
Q2 2020	155,946	$8,446	$49.71	$38.00 - $57.19
Q1 2020	157,871	$6,285	$41.03	$30.58 - $44.61
Q4 2019	152,294	$6,501	$38.10	$33.22 - $43.97
Q3 2019	151,945	$5,961	$41.92	$37.94 - $46.78
Q2 2019	159,880	$6,576	$38.48	$32.76 - $46.23
Q1 2019	233,672	$8,725	$38.83	$32.85 - $45.70
Q4 2018	231,688	$7,857	$31.69	$28.23 - $36.55
Q3 2018	120,610	$3,768	$28.02	$25.19 - $32.33
Q2 2018	122,638	$3,251	$25.40	$22.99 - $27.10
Q1 2018	118,577	$3,071	$23.53	$20.71 - $27.73
Q4 2017	115,048	$2,408	$21.20	$19.40 - $22.63
Q3 2017	115,341	$2,534	$23.93	$20.86 - $26.92
Q2 2017	115,250	$2,884	$23.96	$21.43 - $27.98
Q1 2017	112,532	$2,657	$24.52	$22.73 - $26.84
Q4 2016	108,179	$2,641	$21.85	$18.94 - $25.19
Q3 2016	101,740	$2,218	$20.85	$17.59 - $23.60
Q2 2016	94,543	$1,773	$18.11	$15.62 - $21.87
Q1 2016	88,868	$1,690	$18.47	$16.32 - $21.14
Q4 2015	84,544	$1,749	$22.97	$18.98 - $25.46
Q3 2015	84,363	$1,748	$23.24	$17.97 - $26.50
Q2 2015	75,795	$1,795	$22.84	$18.75 - $26.20
Q1 2015	67,672	$1,307	$19.93	$17.86 - $21.47
Q4 2014	67,234	$1,305	$16.70	$13.77 - $20.14
Q3 2014	66,919	$1,119	$19.60	$16.66 - $22.46
Q2 2014	64,948	$1,407	$20.54	$18.00 - $24.21
Q1 2014	64,918	$1,476	$23.52	$21.41 - $27.16
Q4 2013	61,881	$1,404	$23.81	$20.93 - $27.94
Q3 2013	63,200	$1,579	$22.53	$19.37 - $26.17
Q2 2013	60,919	$1,183	$16.65	$14.14 - $20.60