Renaissance Technologies’s Ciena CIEN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Shares Change % | Capital Flow | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | – | Sell |
-309,174
| Closed | -$18.7M | – | 3587 |
|
|
2025
Q1 | $18.7M | Buy |
+309,174
| New | +$18.7M | 0.03% | 687 |
|
|
2024
Q1 | – | Sell |
-134,674
| Closed | -$6.06M | – | 3746 |
|
|
2023
Q4 | $6.06M | Buy |
+134,674
| New | +$6.06M | 0.01% | 1230 |
|
|
2022
Q2 | – | Sell |
-37,974
| Closed | -$2.3M | – | 4253 |
|
|
2022
Q1 | $2.3M | Sell |
37,974
-173,000
| -82% | -$10.5M | ﹤0.01% | 2140 |
|
|
2021
Q4 | $16.2M | Buy |
+210,974
| New | +$16.2M | 0.02% | 821 |
|
|
2020
Q2 | – | Sell |
-283,974
| Closed | -$11.3M | – | 3472 |
|
|
2020
Q1 | $11.3M | Sell |
283,974
-898,100
| -76% | -$35.8M | 0.01% | 1088 |
|
|
2019
Q4 | $50.5M | Buy |
1,182,074
+383,300
| +48% | +$16.4M | 0.04% | 516 |
|
|
2019
Q3 | $31.3M | Buy |
798,774
+408,700
| +105% | +$16M | 0.03% | 715 |
|
|
2019
Q2 | $16M | Sell |
390,074
-1,208,200
| -76% | -$49.7M | 0.01% | 1095 |
|
|
2019
Q1 | $59.7M | Buy |
1,598,274
+1,318,400
| +471% | +$49.2M | 0.05% | 432 |
|
|
2018
Q4 | $9.49M | Sell |
279,874
-952,321
| -77% | -$32.3M | 0.01% | 1340 |
|
|
2018
Q3 | $38.5M | Buy |
1,232,195
+1,024,721
| +494% | +$32M | 0.04% | 561 |
|
|
2018
Q2 | $5.5M | Sell |
207,474
-1,254,600
| -86% | -$33.3M | 0.01% | 1724 |
|
|
2018
Q1 | $37.9M | Sell |
1,462,074
-454,300
| -24% | -$11.8M | 0.04% | 562 |
|
|
2017
Q4 | $40.1M | Buy |
+1,916,374
| New | +$40.1M | 0.04% | 547 |
|
|
2017
Q3 | – | Sell |
-688,474
| Closed | -$17.2M | – | 3214 |
|
|
2017
Q2 | $17.2M | Sell |
688,474
-1,850,500
| -73% | -$46.3M | 0.02% | 937 |
|
|
2017
Q1 | $59.9M | Sell |
2,538,974
-1,493,300
| -37% | -$35.3M | 0.08% | 290 |
|
|
2016
Q4 | $98.4M | Buy |
4,032,274
+2,167,574
| +116% | +$52.9M | 0.16% | 117 |
|
|
2016
Q3 | $40.7M | Sell |
1,864,700
-12,000
| -0.6% | -$262K | 0.07% | 352 |
|
|
2016
Q2 | $35.2M | Sell |
1,876,700
-66,474
| -3% | -$1.25M | 0.07% | 387 |
|
|
2016
Q1 | $37M | Sell |
1,943,174
-55,200
| -3% | -$1.05M | 0.07% | 345 |
|
|
2015
Q4 | $41.3M | Buy |
1,998,374
+1,771,490
| +781% | +$36.7M | 0.09% | 261 |
|
|
2015
Q3 | $4.7M | Sell |
226,884
-136,421
| -38% | -$2.83M | 0.01% | 1440 |
|
|
2015
Q2 | $8.6M | Buy |
363,305
+315,105
| +654% | +$7.46M | 0.02% | 1070 |
|
|
2015
Q1 | $931K | Buy |
48,200
+30,695
| +175% | +$593K | ﹤0.01% | 2343 |
|
|
2014
Q4 | $340K | Buy |
+17,505
| New | +$340K | ﹤0.01% | 2541 |
|
|
2013
Q4 | – | Sell |
-1,668,505
| Closed | -$41.7M | – | 2860 |
|
|
2013
Q3 | $41.7M | Buy |
1,668,505
+537,100
| +47% | +$13.4M | 0.1% | 220 |
|
|
2013
Q2 | $22M | Buy |
+1,131,405
| New | +$22M | 0.06% | 416 |
|