CIENA CORP - Common Stock, $0.01 par value (CIEN) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock, $0.01 par value
Symbol
CIEN on NYSE
Shares outstanding
140,931,584
Price per share
$233.87
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
139,175,858
Total reported value
$20,279,398,838
% of total 13F portfolios
0.02%
Share change
-2,236,190
Value change
-$154,483,907
Number of holders
680
Price from insider filings
$233.87
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of CIENA CORP - Common Stock, $0.01 par value (CIEN) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 10% +10% $3,015,599,501 +$237,518,344 14,537,914 +8.5% BlackRock, Inc. 30 Nov 2025
JPMORGAN CHASE & CO 7.7% $2,537,894,563 10,851,732 JPMORGAN CHASE & CO. 31 Dec 2025

As of 30 Sep 2025, 680 institutional investors reported holding 139,175,858 shares of CIENA CORP - Common Stock, $0.01 par value (CIEN). This represents 99% of the company’s total 140,931,584 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of CIENA CORP - Common Stock, $0.01 par value (CIEN) together control 70% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
FMR LLC 15% 21,158,386 -0.35% 0.16% $3,082,141,960
BlackRock, Inc. 11% 15,596,111 -8.6% 0.04% $2,271,885,416
VANGUARD GROUP INC 11% 15,068,602 -0.13% 0.03% $2,195,043,254
JPMORGAN CHASE & CO 4.6% 6,462,840 +23% 0.06% $941,451,166
STATE STREET CORP 3.1% 4,352,281 -2.3% 0.02% $633,996,773
BANK OF AMERICA CORP /DE/ 2.2% 3,131,414 -10% 0.03% $456,153,078
PRICE T ROWE ASSOCIATES INC /MD/ 1.9% 2,647,493 +910% 0.04% $385,661,000
GEODE CAPITAL MANAGEMENT, LLC 1.8% 2,541,489 +1.5% 0.02% $370,288,181
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 1.8% 2,506,186 -18% 0.95% $365,068,000
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1.7% 2,440,888 -9.9% 0.92% $355,564,155
BARROW HANLEY MEWHINNEY & STRAUSS LLC 1.5% 2,159,454 -49% 1% $314,567,664
LONE PINE CAPITAL LLC 1.4% 2,006,662 2.1% $292,310,454
DIMENSIONAL FUND ADVISORS LP 1.4% 1,995,699 -12% 0.06% $290,690,722
Jericho Capital Asset Management L.P. 1.4% 1,983,000 +49% 3% $288,863,610
Capital World Investors 1.3% 1,836,981 +7.6% 0.04% $267,593,022
MORGAN STANLEY 1.2% 1,741,875 -6.9% 0.02% $253,739,179
AQR CAPITAL MANAGEMENT LLC 1.1% 1,502,468 +23% 0.14% $218,391,169
Polar Capital Holdings Plc 1% 1,463,211 +14% 1% $213,145,946
Atreides Management, LP 0.99% 1,400,764 +11% 5.3% $204,049,292
Whale Rock Capital Management LLC 0.95% 1,337,800 +60% 2.3% $194,877,326
Invesco Ltd. 0.88% 1,238,745 +340% 0.03% $180,447,984
Hood River Capital Management LLC 0.84% 1,183,207 -2.7% 2% $172,357,764
NORTHERN TRUST CORP 0.84% 1,183,114 -1% 0.02% $172,344,217
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.81% 1,143,855 +2174% 0.11% $166,625,358
CITADEL ADVISORS LLC 0.77% 1,086,529 +11261% 0.13% $158,274,679

Institutional Holders of CIENA CORP - Common Stock, $0.01 par value (CIEN) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 2,151,133 $519,409,421 -$299,110,405 $233.87 95
2025 Q3 139,175,858 $20,279,398,838 -$154,483,907 $145.67 680
2025 Q2 141,010,238 $11,468,438,045 +$481,577,370 $81.33 558
2025 Q1 136,482,829 $8,250,645,953 -$352,226,003 $60.43 542
2024 Q4 140,639,777 $11,927,949,714 -$30,379,194 $84.81 533
2024 Q3 142,165,351 $8,759,802,337 +$137,878,037 $61.59 461
2024 Q2 140,001,910 $6,745,177,951 +$143,699,694 $48.18 449
2024 Q1 137,161,500 $6,776,208,736 +$192,160,909 $49.45 464
2023 Q4 134,005,592 $6,036,621,954 -$79,214,547 $45.01 448
2023 Q3 134,977,056 $6,366,989,947 -$105,230,138 $47.26 466
2023 Q2 137,179,871 $5,828,746,458 -$80,634,569 $42.49 465
2023 Q1 138,682,996 $7,279,718,619 -$41,936,127 $52.52 480
2022 Q4 139,408,197 $7,107,065,096 -$180,505,509 $50.98 448
2022 Q3 144,336,104 $5,838,400,545 +$344,794,490 $40.43 410
2022 Q2 135,142,356 $6,176,263,763 +$21,390,413 $45.70 440
2022 Q1 134,228,774 $8,134,405,743 -$175,237,375 $60.63 480
2021 Q4 135,807,566 $10,450,586,776 -$70,604,523 $76.97 508
2021 Q3 136,655,447 $7,017,619,377 -$328,461,486 $51.35 439
2021 Q2 142,196,886 $8,088,830,406 -$63,184,128 $56.89 455
2021 Q1 143,076,551 $7,828,233,443 +$18,390,334 $54.72 446
2020 Q4 143,689,781 $7,587,963,140 +$410,394,154 $52.85 447
2020 Q3 137,169,579 $5,445,472,887 -$76,893,140 $39.69 457
2020 Q2 137,023,504 $7,420,001,250 +$30,338,737 $54.16 477
2020 Q1 137,025,251 $5,466,684,248 -$205,605,946 $39.81 407
2019 Q4 142,510,400 $6,080,361,404 +$21,201,439 $42.69 404
2019 Q3 142,682,103 $5,591,140,949 +$149,085,938 $39.23 403
2019 Q2 138,428,456 $5,690,198,088 -$185,046,026 $41.13 404
2019 Q1 145,690,633 $5,430,421,262 +$27,842,735 $37.34 408
2018 Q4 145,194,901 $4,919,874,247 -$298,271,245 $33.91 358
2018 Q3 153,864,710 $4,805,974,344 +$85,787,217 $31.24 336
2018 Q2 151,385,005 $4,011,063,102 +$68,555,358 $26.51 294
2018 Q1 149,043,718 $3,859,435,666 -$8,041,511 $25.90 296
2017 Q4 150,178,949 $3,143,475,684 -$121,805,010 $20.93 282
2017 Q3 153,364,478 $3,369,469,810 +$107,225,635 $21.97 278
2017 Q2 147,471,057 $3,690,983,516 +$22,698,351 $25.02 309
2017 Q1 147,288,137 $3,477,634,778 +$469,538,225 $23.61 285
2016 Q4 142,453,541 $3,476,632,626 +$129,800,445 $24.41 292
2016 Q3 137,081,009 $2,987,147,807 +$134,429,675 $21.80 269
2016 Q2 130,207,962 $2,441,990,256 -$109,417,708 $18.75 276
2016 Q1 138,574,763 $2,634,656,754 -$74,689,389 $19.02 260
2015 Q4 141,713,927 $2,931,455,967 +$151,612,371 $20.69 282
2015 Q3 134,533,506 $2,787,084,237 +$264,900,161 $20.72 287
2015 Q2 121,574,549 $2,878,353,382 +$149,867,111 $23.68 277
2015 Q1 116,194,951 $2,244,609,128 +$157,257,484 $19.31 243
2014 Q4 108,195,948 $2,099,739,633 +$34,778,897 $19.41 220
2014 Q3 108,501,484 $1,811,541,702 -$59,659,854 $16.72 226
2014 Q2 111,081,011 $2,404,270,993 +$81,068,235 $21.66 235
2014 Q1 106,880,122 $2,427,790,103 +$50,602,886 $22.74 260