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
$230.03
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
137,129,448
Total reported value
$32,090,646,310
% of total 13F portfolios
0.03%
Share change
-1,741,710
Value change
-$3,585,105
Number of holders
830
Price from insider filings
$230.03
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 31 Dec 2025, 830 institutional investors reported holding 137,129,448 shares of CIENA CORP - Common Stock, $0.01 par value (CIEN). This represents 97% 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 71% 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% 21,128,210 -0.14% 0.25% $4,941,254,307
BlackRock, Inc. 12% 16,668,830 +6.9% 0.07% $3,898,339,156
VANGUARD GROUP INC 10% 14,376,579 -4.6% 0.05% $3,362,250,530
JPMORGAN CHASE & CO 7.7% 10,864,292 +68% 0.17% $2,540,832,224
STATE STREET CORP 3.6% 5,102,409 +17% 0.04% $1,193,300,393
PRICE T ROWE ASSOCIATES INC /MD/ 2.9% 4,051,625 +53% 0.1% $947,554,000
GEODE CAPITAL MANAGEMENT, LLC 1.9% 2,687,437 +5.7% 0.04% $627,567,346
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.6% 2,236,835 +96% 0.31% $523,128,601
BANK OF AMERICA CORP /DE/ 1.5% 2,164,447 -31% 0.04% $506,199,208
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 1.4% 1,973,150 -21% 0.53% $461,478,000
Capital World Investors 1.3% 1,868,881 +1.7% 0.06% $437,075,199
Jericho Capital Asset Management L.P. 1.2% 1,656,172 -16% 4.4% $387,328,946
Invesco Ltd. 1.1% 1,518,841 +23% 0.05% $355,211,346
Atreides Management, LP 1% 1,428,230 +2% 7.1% $334,020,150
AQR CAPITAL MANAGEMENT LLC 1% 1,412,560 -6% 0.17% $330,355,301
DIMENSIONAL FUND ADVISORS LP 0.99% 1,396,874 -30% 0.07% $326,720,052
MORGAN STANLEY 0.98% 1,384,972 -20% 0.02% $323,903,769
Polar Capital Holdings Plc 0.91% 1,289,427 -12% 1.4% $301,558,292
NORTHERN TRUST CORP 0.86% 1,216,923 +2.9% 0.04% $284,601,781
Bank of New York Mellon Corp 0.79% 1,118,142 +5.4% 0.05% $261,499,909
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.78% 1,098,593 -55% 0.72% $256,927,945
VOYA INVESTMENT MANAGEMENT LLC 0.67% 946,820 +1267% 0.22% $221,432,793
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.66% 935,728 -0.64% 0.03% $218,838,707
Nuveen, LLC 0.64% 898,343 -3.5% 0.06% $210,095,478
Whale Rock Capital Management LLC 0.63% 893,483 -33% 2.7% $208,958,869

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 137,129,448 $32,090,646,310 -$3,585,105 $233.87 830
2025 Q3 139,170,269 $20,278,599,727 -$141,959,039 $145.67 684
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