AllianceBernstein’s Ciena CIEN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $123M | Buy |
527,411
+169,841
| +47% | +$51.9M | 0.04% | 326 |
|
|
2025
Q4 | $83.6M | Buy |
357,570
+103,503
| +41% | +$20.1M | 0.03% | 459 |
|
|
2025
Q3 | $37M | Sell |
254,067
-92,577
| -27% | -$9.43M | 0.01% | 702 |
|
|
2025
Q2 | $28.2M | Sell |
346,644
-84,873
| -20% | -$6.09M | 0.01% | 784 |
|
|
2025
Q1 | $26.1M | Sell |
431,517
-11,816
| -3% | -$934K | 0.01% | 792 |
|
|
2024
Q4 | $37.6M | Buy |
443,333
+6,079
| +1% | +$436K | 0.01% | 687 |
|
|
2024
Q3 | $26.9M | Buy |
437,254
+31,947
| +8% | +$1.68M | 0.01% | 800 |
|
|
2024
Q2 | $19.5M | Buy |
405,307
+160,872
| +66% | +$7.63M | 0.01% | 896 |
|
|
2024
Q1 | $12.1M | Sell |
244,435
-23,795
| -9% | -$1.26M | ﹤0.01% | 1067 |
|
|
2023
Q4 | $12.1M | Sell |
268,230
-2,305,022
| -90% | -$102M | ﹤0.01% | 1062 |
|
|
2023
Q3 | $122M | Sell |
2,573,252
-173,778
| -6% | -$7.66M | 0.05% | 317 |
|
|
2023
Q2 | $117M | Sell |
2,747,030
-1,562,949
| -36% | -$71.2M | 0.05% | 348 |
|
|
2023
Q1 | $226M | Buy |
4,309,979
+834,109
| +24% | +$41.6M | 0.1% | 189 |
|
|
2022
Q4 | $177M | Sell |
3,475,870
-936,021
| -21% | -$42.3M | 0.08% | 233 |
|
|
2022
Q3 | $178M | Sell |
4,411,891
-500,537
| -10% | -$24M | 0.09% | 212 |
|
|
2022
Q2 | $224M | Sell |
4,912,428
-341,149
| -6% | -$17.7M | 0.1% | 178 |
|
|
2022
Q1 | $319M | Buy |
5,253,577
+185,187
| +4% | +$12.1M | 0.12% | 158 |
|
|
2021
Q4 | $390M | Buy |
5,068,390
+1,409,823
| +39% | +$87M | 0.14% | 145 |
|
|
2021
Q3 | $188M | Buy |
3,658,567
+381,729
| +12% | +$21.2M | 0.07% | 241 |
|
|
2021
Q2 | $186M | Buy |
3,276,838
+719,196
| +28% | +$39.6M | 0.07% | 247 |
|
|
2021
Q1 | $140M | Sell |
2,557,642
-67,006
| -3% | -$3.61M | 0.06% | 305 |
|
|
2020
Q4 | $139M | Sell |
2,624,648
-768,369
| -23% | -$34.1M | 0.07% | 283 |
|
|
2020
Q3 | $135M | Sell |
3,393,017
-146,989
| -4% | -$7.73M | 0.07% | 245 |
|
|
2020
Q2 | $192M | Sell |
3,540,006
-715,887
| -17% | -$35.6M | 0.11% | 155 |
|
|
2020
Q1 | $169M | Buy |
4,255,893
+1,038,125
| +32% | +$42.6M | 0.12% | 154 |
|
|
2019
Q4 | $137M | Sell |
3,217,768
-951,999
| -23% | -$36.3M | 0.08% | 232 |
|
|
2019
Q3 | $164M | Buy |
4,169,767
+2,036,628
| +95% | +$85.4M | 0.1% | 185 |
|
|
2019
Q2 | $87.7M | Sell |
2,133,139
-1,081,092
| -34% | -$41.6M | 0.05% | 341 |
|
|
2019
Q1 | $120M | Buy |
3,214,231
+369,444
| +13% | +$14.3M | 0.08% | 246 |
|
|
2018
Q4 | $96.5M | Sell |
2,844,787
-1,743,738
| -38% | -$55.3M | 0.07% | 267 |
|
|
2018
Q3 | $143M | Buy |
4,588,525
+1,568,877
| +52% | +$44M | 0.09% | 217 |
|
|
2018
Q2 | $80.1M | Sell |
3,019,648
-1,554,179
| -34% | -$39.5M | 0.06% | 365 |
|
|
2018
Q1 | $118M | Buy |
4,573,827
+2,047,067
| +81% | +$48.2M | 0.09% | 243 |
|
|
2017
Q4 | $52.9M | Sell |
2,526,760
-893,755
| -26% | -$18.9M | 0.04% | 475 |
|
|
2017
Q3 | $75.1M | Buy |
3,420,515
+2,762,099
| +420% | +$66.1M | 0.06% | 374 |
|
|
2017
Q2 | $16.5M | Buy |
658,416
+1,363
| +0.2% | +$32.7K | 0.01% | 815 |
|
|
2017
Q1 | $15.5M | Buy |
657,053
+441,676
| +205% | +$10.8M | 0.01% | 824 |
|
|
2016
Q4 | $5.26M | Sell |
215,377
-7,501
| -3% | -$164K | ﹤0.01% | 1162 |
|
|
2016
Q3 | $4.86M | Buy |
222,878
+250
| +0.1% | +$5.21K | ﹤0.01% | 1138 |
|
|
2016
Q2 | $4.17M | Sell |
222,628
-4,588,818
| -95% | -$83.1M | ﹤0.01% | 1158 |
|
|
2016
Q1 | $91.5M | Sell |
4,811,446
-670,967
| -12% | -$12.4M | 0.08% | 275 |
|
|
2015
Q4 | $113M | Buy |
5,482,413
+1,871,268
| +52% | +$43M | 0.1% | 226 |
|
|
2015
Q3 | $74.8M | Buy |
3,611,145
+3,412,355
| +1,717% | +$79.3M | 0.06% | 318 |
|
|
2015
Q2 | $4.71M | Sell |
198,790
-24,202
| -11% | -$553K | ﹤0.01% | 1147 |
|
|
2015
Q1 | $4.31M | Sell |
222,992
-4,250
| -2% | -$84.7K | ﹤0.01% | 1192 |
|
|
2014
Q4 | $4.41M | Sell |
227,242
-350
| -0.2% | -$5.84K | ﹤0.01% | 1175 |
|
|
2014
Q3 | $3.81M | Sell |
227,592
-17,387
| -7% | -$341K | ﹤0.01% | 1234 |
|
|
2014
Q2 | $5.31M | Buy |
244,979
+2,070
| +0.9% | +$42.5K | ﹤0.01% | 1105 |
|
|
2014
Q1 | $5.52M | Sell |
242,909
-3,614,342
| -94% | -$85M | ﹤0.01% | 1082 |
|
|
2013
Q4 | $92.3M | Sell |
3,857,251
-1,255,046
| -25% | -$29.9M | 0.08% | 273 |
|
|
2013
Q3 | $128M | Sell |
5,112,297
-514,371
| -9% | -$11.6M | 0.13% | 179 |
|
|
2013
Q2 | $109M | Buy |
+5,626,668
| New | +$93.7M | 0.12% | 189 |
|
Other funds holding CIEN
VCM
VPM
AllianceBernstein's CIEN Position: Q1 2026 in Review
AllianceBernstein increased its Ciena (CIEN) stake by 47% in Q1 2026, buying an estimated $51.9M and bringing the position to 527,411 shares worth $123M. The position accounts for 0.04% of the portfolio, ranked #326.
AllianceBernstein first reported a position in CIEN in Q2 2013 and has held it in 52 quarters since. The position peaked at $390M in Q4 2021. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.
- AllianceBernstein held 527,411 shares of Ciena worth $123M as of Q1 2026.
- AllianceBernstein bought 169,841 Ciena shares in Q1 2026, an estimated $51.9M.
- Ciena made up 0.04% of AllianceBernstein's portfolio in Q1 2026, its #326 holding.
- AllianceBernstein first reported a position in Ciena in Q2 2013 and has held it in 52 quarters since.
- AllianceBernstein's Ciena position peaked at $390M in Q4 2021.
- 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.
Based on AllianceBernstein's 13F filing for Q1 2026, filed 15 May 2026.