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
-2,235,719
Value change
-$154,413,858
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 2,758,524 $661,459,955 -$194,858,404 $233.87 96
2025 Q3 139,175,858 $20,279,398,838 -$154,413,858 $145.67 680
2025 Q2 141,010,744 $11,468,509,941 +$481,557,696 $81.33 559
2025 Q1 136,467,772 $8,249,736,161 -$352,226,109 $60.43 540
2024 Q4 140,114,280 $11,883,335,552 -$61,585,699 $84.81 527
2024 Q3 142,017,321 $8,750,684,994 +$133,384,203 $61.59 463
2024 Q2 139,926,790 $6,741,558,459 +$152,727,235 $48.18 449
2024 Q1 136,840,009 $6,760,310,214 +$190,021,659 $49.45 466
2023 Q4 3,068,599 $138,126,061 +$3,505,383 $45.01 4
2023 Q3 131,833,471 $6,218,441,798 -$104,347,240 $47.26 455
2023 Q2 134,081,539 $5,697,097,241 -$161,943,571 $42.49 452
2023 Q1 136,103,206 $7,144,227,309 +$12,770,040 $52.52 470
2022 Q4 138,767,543 $7,074,392,865 -$184,602,983 $50.98 437
2022 Q3 142,046,719 $5,745,839,590 +$265,398,455 $40.43 400
2022 Q2 133,414,031 $6,092,940,231 +$38,565,385 $45.70 429
2022 Q1 128,361,685 $7,778,992,970 -$188,525,389 $60.63 469
2021 Q4 132,138,474 $10,168,988,692 -$278,598,017 $76.97 501
2021 Q3 132,952,403 $6,827,467,681 -$254,737,641 $51.35 440
2021 Q2 139,217,846 $7,919,353,415 -$19,215,943 $56.89 454
2021 Q1 138,187,416 $7,560,699,979 +$18,295,377 $54.72 440
2020 Q4 140,962,008 $7,443,799,944 +$414,726,161 $52.85 440
2020 Q3 135,902,227 $5,395,160,896 -$87,066,255 $39.69 450
2020 Q2 136,713,795 $7,403,228,714 +$45,333,097 $54.16 472
2020 Q1 136,606,875 $5,449,958,907 -$214,790,284 $39.81 402
2019 Q4 142,458,588 $6,078,141,521 +$22,045,334 $42.69 400
2019 Q3 139,289,531 $5,458,050,646 +$105,800,805 $39.23 399
2019 Q2 136,159,276 $5,596,867,426 -$68,567,069 $41.13 400
2019 Q1 145,681,121 $5,430,065,078 +$23,144,881 $37.34 404
2018 Q4 144,748,025 $4,904,654,827 -$311,059,938 $33.91 354
2018 Q3 153,545,118 $4,795,834,571 +$79,152,327 $31.24 330
2018 Q2 149,711,386 $3,966,694,373 +$111,654,852 $26.51 290
2018 Q1 147,372,622 $3,816,155,979 -$1,736,769 $25.90 292
2017 Q4 148,558,391 $3,109,553,161 -$142,367,552 $20.93 278
2017 Q3 152,723,279 $3,355,380,593 +$103,118,578 $21.97 274
2017 Q2 146,209,440 $3,659,419,097 +$29,544,137 $25.02 306
2017 Q1 147,278,242 $3,477,401,727 +$470,106,982 $23.61 282
2016 Q4 142,402,037 $3,474,745,256 +$131,466,339 $24.41 288
2016 Q3 136,951,627 $2,984,327,807 +$132,556,668 $21.80 266
2016 Q2 130,135,355 $2,440,629,256 -$106,462,127 $18.75 273
2016 Q1 138,250,532 $2,628,489,754 -$70,719,553 $19.02 258
2015 Q4 140,983,356 $2,916,341,967 +$149,345,593 $20.69 277
2015 Q3 134,207,256 $2,780,324,237 +$251,620,469 $20.72 285
2015 Q2 119,836,621 $2,837,219,382 +$151,688,622 $23.68 271
2015 Q1 116,087,472 $2,242,535,128 +$154,211,639 $19.31 240
2014 Q4 108,193,502 $2,099,693,633 +$37,056,682 $19.41 218
2014 Q3 107,571,502 $1,795,995,702 -$50,478,088 $16.72 223
2014 Q2 109,592,234 $2,372,966,550 -$20,223,077 $21.66 232
2014 Q1 105,623,820 $2,399,243,671 +$32,485,984 $22.74 256