Alyeska Investment Group’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$108M Buy
+220,966
New +$113M 0.28% 86
2025
Q2
Sell
-596,830
Closed -$36.1M 577
2025
Q1
$36.1M Buy
596,830
+139,926
+31% +$11.1M 0.14% 182
2024
Q4
$38.8M Sell
456,904
-1,478,087
-76% -$106M 0.15% 175
2024
Q3
$119M Sell
1,934,991
-23,609
-1% -$1.24M 0.61% 35
2024
Q2
$94.4M Buy
1,958,600
+901,656
+85% +$42.8M 0.54% 47
2024
Q1
$52.3M Buy
1,056,944
+683,676
+183% +$36.1M 0.32% 106
2023
Q4
$16.8M Buy
+373,268
New +$16.5M 0.11% 224
2023
Q3
Sell
-1,164,632
Closed -$49.5M 515
2023
Q2
$49.5M Buy
+1,164,632
New +$53M 0.37% 92
2023
Q1
Sell
-1,263,137
Closed -$64.4M 464
2022
Q4
$64.4M Sell
1,263,137
-2,550,332
-67% -$115M 0.67% 42
2022
Q3
$154M Buy
3,813,469
+2,997,126
+367% +$144M 1.8% 4
2022
Q2
$37.3M Buy
816,343
+248,058
+44% +$12.9M 0.43% 68
2022
Q1
$34.5M Buy
568,285
+86,295
+18% +$5.65M 0.38% 88
2021
Q4
$37.1M Sell
481,990
-1,099,694
-70% -$67.9M 0.43% 79
2021
Q3
$81.2M Buy
1,581,684
+1,207,055
+322% +$67M 1% 10
2021
Q2
$21.3M Buy
+374,629
New +$20.7M 0.25% 122
2020
Q2
Sell
-65,684
Closed -$2.62M 493
2020
Q1
$2.62M Buy
+65,684
New +$2.69M 0.05% 243
2018
Q1
Sell
-1,649,403
Closed -$34.5M 458
2017
Q4
$34.5M Buy
+1,649,403
New +$35M 0.27% 110
2017
Q2
Sell
-1,115,448
Closed -$26.3M 464
2017
Q1
$26.3M Buy
1,115,448
+120,580
+12% +$2.96M 0.21% 155
2016
Q4
$24.3M Sell
994,868
-492,345
-33% -$10.8M 0.2% 175
2016
Q3
$32.4M Sell
1,487,213
-335,313
-18% -$6.99M 0.3% 115
2016
Q2
$34.2M Sell
1,822,526
-1,242,071
-41% -$22.5M 0.32% 118
2016
Q1
$58.3M Buy
3,064,597
+519,890
+20% +$9.6M 0.54% 57
2015
Q4
$52.6M Buy
2,544,707
+2,421,415
+1,964% +$55.6M 0.56% 60
2015
Q3
$2.56M Buy
123,292
+62,138
+102% +$1.44M 0.03% 318
2015
Q2
$1.45M Sell
61,154
-1,464,746
-96% -$33.5M 0.02% 375
2015
Q1
$29.5M Sell
1,525,900
-244,809
-14% -$4.88M 0.41% 86
2014
Q4
$34.4M Buy
1,770,709
+648,689
+58% +$10.8M 0.59% 43
2014
Q3
$18.8M Buy
+1,122,020
New +$22M 0.39% 89

Other funds holding CIEN

Alyeska Investment Group's CIEN Position: Q2 2026 in Review

Alyeska Investment Group opened a new position in Ciena (CIEN) in Q2 2026: 220,966 shares worth $108M. The stake represents 0.28% of the portfolio and ranks #86 among its holdings. This is a return to the name: Alyeska Investment Group previously reported a position in CIEN as recently as Q1 2025.

Alyeska Investment Group first reported a position in CIEN in Q3 2014 and has held it in 28 quarters since. The position peaked at $154M in Q3 2022. 1,224 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Alyeska Investment Group held 220,966 shares of Ciena worth $108M as of Q2 2026.
  • Ciena was a new Alyeska Investment Group position in Q2 2026.
  • Ciena made up 0.28% of Alyeska Investment Group's portfolio in Q2 2026, its #86 holding.
  • Alyeska Investment Group first reported a position in Ciena in Q3 2014 and has held it in 28 quarters since.
  • Alyeska Investment Group's Ciena position peaked at $154M in Q3 2022.
  • 1,224 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Alyeska Investment Group's 13F filing for Q2 2026, filed 14 Aug 2026.