UBS AM’s Ciena CIEN Stock Holding History

UBS AM’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 Q1	$331M	Buy	851,932 +154,369	+22%	+$47.2M	0.07%	250
2025 Q4	$163M	Buy	697,563 +231,943	+50%	+$45M	0.03%	400
2025 Q3	$67.8M	Sell	465,620 -198,242	-30%	-$20.2M	0.01%	547
2025 Q2	$54M	Buy	663,862 +155,075	+30%	+$11.1M	0.01%	677
2025 Q1	$30.7M	Sell	508,787 -73,997	-13%	-$5.85M	0.01%	797
2024 Q4	$49.4M	Buy	582,784 +41,687	+8%	+$2.99M	0.01%	670
2024 Q3	$33.3M	Buy	541,097 +110,789	+26%	+$5.84M	0.01%	777
2024 Q2	$20.7M	Buy	430,308 +163,494	+61%	+$7.76M	0.01%	855
2024 Q1	$13.2M	Buy	266,814 +8,438	+3%	+$445K	﹤0.01%	911
2023 Q4	$11.6M	Buy	258,376 +2,274	+0.9%	+$100K	﹤0.01%	936
2023 Q3	$12.1M	Sell	256,102 -14,421	-5%	-$636K	0.01%	893
2023 Q2	$14.2M	Hold	270,523	–	–	0.01%	850
2023 Q1	$14.2M	Sell	270,523 -8,983	-3%	-$448K	0.01%	850
2022 Q4	$14.2M	Sell	279,506 -9,379	-3%	-$424K	0.01%	832
2022 Q3	$11.7M	Sell	288,885 -28,297	-9%	-$1.36M	0.01%	907
2022 Q2	$14.5M	Buy	317,182 +35,855	+13%	+$1.86M	0.01%	826
2022 Q1	$17.1M	Sell	281,327 -1,299,017	-82%	-$85M	0.01%	883
2021 Q4	$122M	Sell	1,580,344 -389,592	-20%	-$24M	0.05%	403
2021 Q3	$101M	Sell	1,969,936 -1,175,975	-37%	-$65.3M	0.04%	433
2021 Q2	$179M	Sell	3,145,911 -223,761	-7%	-$12.3M	0.08%	278
2021 Q1	$184M	Buy	3,369,672 +567,568	+20%	+$30.5M	0.08%	255
2020 Q4	$148M	Buy	2,802,104 +2,507,510	+851%	+$111M	0.07%	298
2020 Q3	$11.7M	Buy	294,594 +12,251	+4%	+$645K	0.01%	905
2020 Q2	$15.3M	Buy	282,343 +58,088	+26%	+$2.89M	0.01%	810
2020 Q1	$8.93M	Buy	224,255 +28,880	+15%	+$1.18M	0.01%	890
2019 Q4	$8.34M	Buy	195,375 +7,254	+4%	+$276K	0.01%	1006
2019 Q3	$7.38M	Buy	188,121 +23,439	+14%	+$983K	0.01%	1061
2019 Q2	$6.77M	Buy	164,682 +47,232	+40%	+$1.82M	﹤0.01%	1093
2019 Q1	$4.39M	Buy	117,450 +3,023	+3%	+$117K	﹤0.01%	1204
2018 Q4	$3.88M	Buy	114,427 +12,793	+13%	+$405K	﹤0.01%	1179
2018 Q3	$3.18M	Buy	101,634 +1,484	+1%	+$41.6K	﹤0.01%	1309
2018 Q2	$2.65M	Sell	100,150 -7,392	-7%	-$188K	﹤0.01%	1387
2018 Q1	$2.79M	Buy	107,542 +16,598	+18%	+$391K	﹤0.01%	1329
2017 Q4	$1.9M	Sell	90,944 -461,993	-84%	-$9.79M	﹤0.01%	1454
2017 Q3	$12.1M	Sell	552,937 -1,315	-0.2%	-$31.5K	0.01%	857
2017 Q2	$13.9M	Sell	554,252 -52,454	-9%	-$1.26M	0.01%	840
2017 Q1	$14.3M	Sell	606,706 -18,081	-3%	-$443K	0.01%	812
2016 Q4	$15.3M	Sell	624,787 -33,199	-5%	-$725K	0.02%	763
2016 Q3	$14.3M	Sell	657,986 -15,413	-2%	-$321K	0.02%	792
2016 Q2	$12.6M	Buy	673,399 +219,020	+48%	+$3.97M	0.01%	826
2016 Q1	$8.64M	Sell	454,379 -29,185	-6%	-$539K	0.01%	878
2015 Q4	$10M	Sell	483,564 -20,987	-4%	-$482K	0.01%	869
2015 Q3	$10.5M	Buy	504,551 +86,742	+21%	+$2.02M	0.01%	857
2015 Q2	$9.89M	Buy	417,809 +4,662	+1%	+$106K	0.01%	893
2015 Q1	$7.98M	Sell	413,147 -6,900	-2%	-$137K	0.01%	940
2014 Q4	$8.15M	Buy	420,047 +82,323	+24%	+$1.37M	0.01%	927
2014 Q3	$5.65M	Sell	337,724 -24,472	-7%	-$480K	0.01%	1008
2014 Q2	$7.84M	Sell	362,196 -33,980	-9%	-$698K	0.01%	925
2014 Q1	$9.01M	Sell	396,176 -47,494	-11%	-$1.12M	0.01%	881
2013 Q4	$10.6M	Sell	443,670 -30,857	-7%	-$735K	0.01%	815
2013 Q3	$11.9M	Buy	474,527 +431,730	+1,009%	+$9.73M	0.01%	755
2013 Q2	$831K	Buy	+42,797	New	+$712K	﹤0.01%	1519