Calamos Advisors
CIEN icon

Calamos Advisors’s Ciena CIEN Stock Holding History

Calamos Advisors’s Portfolio CIEN Stock Details CIEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$10.9M Buy
22,203
+1,660
+8% +$847K 0.04% 388
2026
Q1 		$7.98M Buy
20,543
+5,879
+40% +$1.8M 0.03% 461
2025
Q4 		$3.43M Sell
14,664
-49,395
-77% -$9.58M 0.01% 572
2025
Q3 		$9.33M Buy
64,059
+42,104
+192% +$4.29M 0.03% 416
2025
Q2 		$1.79M Buy
21,955
+2,799
+15% +$201K 0.01% 644
2025
Q1 		$1.16M Buy
19,156
+2,566
+15% +$203K 0.01% 637
2024
Q4 		$1.41M Hold
16,590
– – 0.01% 639
2024
Q3 		$1.02M Hold
16,590
– – ﹤0.01% 666
2024
Q2 		$799K Buy
16,590
+2,667
+19% +$127K ﹤0.01% 674
2024
Q1 		$688K Buy
13,923
+2,523
+22% +$133K ﹤0.01% 683
2023
Q4 		$513K Buy
11,400
+839
+8% +$37K ﹤0.01% 726
2023
Q3 		$499K Hold
10,561
– – ﹤0.01% 716
2023
Q2 		$449K Sell
10,561
-20,534
-66% -$935K ﹤0.01% 747
2023
Q1 		$1.63M Buy
+31,095
New +$1.55M 0.01% 762
2015
Q4 		– Sell
-34,875
Closed -$723K – 657
2015
Q3 		$723K Buy
+34,875
New +$811K 0.01% 563
2014
Q4 		– Sell
-32,600
Closed -$545K – 658
2014
Q3 		$545K Hold
32,600
– – ﹤0.01% 583
2014
Q2 		$706K Hold
32,600
– – ﹤0.01% 564
2014
Q1 		$741K Buy
32,600
+6,600
+25% +$155K ﹤0.01% 549
2013
Q4 		$622K Buy
26,000
+7,800
+43% +$186K ﹤0.01% 574
2013
Q3 		$455K Sell
18,200
-11,100
-38% -$250K ﹤0.01% 564
2013
Q2 		$569K Buy
+29,300
New +$488K ﹤0.01% 519

Other funds holding CIEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
SG Americas Securities
SG Americas Securities New York $179B AUM 65.34% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return
Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $180B AUM 37.51% 1-Year Est. Return

Calamos Advisors's CIEN Position: Q2 2026 in Review

Calamos Advisors increased its Ciena (CIEN) stake by 8.1% in Q2 2026, buying an estimated $847K and bringing the position to 22,203 shares worth $10.9M. The position accounts for 0.04% of the portfolio, ranked #388.

Calamos Advisors first reported a position in CIEN in Q2 2013 and has held it in 21 quarters since. 649 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Calamos Advisors held 22,203 shares of Ciena worth $10.9M as of Q2 2026.
  • Calamos Advisors bought 1,660 Ciena shares in Q2 2026, an estimated $847K.
  • Ciena made up 0.04% of Calamos Advisors's portfolio in Q2 2026, its #388 holding.
  • Calamos Advisors first reported a position in Ciena in Q2 2013 and has held it in 21 quarters since.
  • 649 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.