Swiss National Bank’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$22.1M Sell
271,700
-3,600
-1% -$293K 0.01% 597
2025
Q1
$16.6M Sell
275,300
-8,700
-3% -$526K 0.01% 665
2024
Q4
$24.1M Buy
284,000
+3,500
+1% +$297K 0.02% 594
2024
Q3
$17.3M Sell
280,500
-4,000
-1% -$246K 0.01% 688
2024
Q2
$13.7M Sell
284,500
-1,500
-0.5% -$72.3K 0.01% 747
2024
Q1
$14.1M Sell
286,000
-5,300
-2% -$262K 0.01% 754
2023
Q4
$13.1M Sell
291,300
-37,300
-11% -$1.68M 0.01% 772
2023
Q3
$15.5M Buy
328,600
+3,900
+1% +$184K 0.01% 698
2023
Q2
$13.8M Buy
324,700
+4,900
+2% +$208K 0.01% 761
2023
Q1
$16.8M Sell
319,800
-41,600
-12% -$2.18M 0.01% 666
2022
Q4
$18.4M Buy
361,400
+700
+0.2% +$35.7K 0.01% 655
2022
Q3
$14.6M Buy
360,700
+300
+0.1% +$12.1K 0.01% 707
2022
Q2
$16.5M Sell
360,400
-6,000
-2% -$274K 0.01% 679
2022
Q1
$22.2M Buy
366,400
+25,800
+8% +$1.56M 0.01% 661
2021
Q4
$26.2M Sell
340,600
-1,900
-0.6% -$146K 0.02% 625
2021
Q3
$17.6M Buy
342,500
+500
+0.1% +$25.7K 0.01% 720
2021
Q2
$19.5M Sell
342,000
-10,600
-3% -$603K 0.01% 709
2021
Q1
$19.3M Buy
352,600
+5,200
+1% +$285K 0.01% 698
2020
Q4
$18.4M Sell
347,400
-500
-0.1% -$26.4K 0.01% 674
2020
Q3
$13.8M Buy
347,900
+5,200
+2% +$206K 0.01% 694
2020
Q2
$18.6M Buy
342,700
+42,700
+14% +$2.31M 0.02% 611
2020
Q1
$11.9M Buy
300,000
+3,100
+1% +$123K 0.01% 630
2019
Q4
$12.7M Buy
296,900
+3,400
+1% +$145K 0.01% 686
2019
Q3
$11.5M Buy
293,500
+2,600
+0.9% +$102K 0.01% 714
2019
Q2
$12M Buy
290,900
+31,000
+12% +$1.28M 0.01% 710
2019
Q1
$9.71M Buy
259,900
+6,500
+3% +$243K 0.01% 748
2018
Q4
$8.59M Hold
253,400
0.01% 726
2018
Q3
$7.92M Hold
253,400
0.01% 837
2018
Q2
$6.72M Buy
253,400
+6,200
+3% +$164K 0.01% 915
2018
Q1
$6.4M Buy
247,200
+5,600
+2% +$145K 0.01% 903
2017
Q4
$5.06M Buy
241,600
+6,300
+3% +$132K 0.01% 1053
2017
Q3
$5.17M Hold
235,300
0.01% 997
2017
Q2
$5.89M Buy
235,300
+5,600
+2% +$140K 0.01% 908
2017
Q1
$5.42M Buy
229,700
+2,600
+1% +$61.4K 0.01% 941
2016
Q4
$5.54M Buy
227,100
+4,500
+2% +$110K 0.01% 889
2016
Q3
$4.85M Sell
222,600
-800
-0.4% -$17.4K 0.01% 926
2016
Q2
$4.19M Buy
223,400
+14,100
+7% +$264K 0.01% 1013
2016
Q1
$3.84M Buy
209,300
+48,700
+30% +$894K 0.01% 1028
2015
Q4
$3.32M Sell
160,600
-2,500
-2% -$51.7K 0.01% 1010
2015
Q3
$3.38M Buy
163,100
+34,400
+27% +$713K 0.01% 991
2015
Q2
$3.05M Buy
128,700
+9,700
+8% +$230K 0.01% 1052
2015
Q1
$2.3M Buy
119,000
+2,100
+2% +$40.6K 0.01% 1198
2014
Q4
$2.27M Buy
116,900
+3,100
+3% +$60.2K 0.01% 1174
2014
Q3
$1.9M Sell
113,800
-1,000
-0.9% -$16.7K 0.01% 1227
2014
Q2
$2.49M Hold
114,800
0.01% 1108
2014
Q1
$2.61M Buy
114,800
+26,000
+29% +$591K 0.01% 1056
2013
Q4
$2.13M Buy
88,800
+1,000
+1% +$23.9K 0.01% 1037
2013
Q3
$2.19M Sell
87,800
-4,800
-5% -$120K 0.01% 955
2013
Q2
$1.8M Buy
+92,600
New +$1.8M 0.01% 1047