XTX Topco’s Ciena CIEN Stock Holding History

XTX Topco’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	$7.45M	Buy	19,188 +16,523	+620%	+$5.05M	0.13%	130
2025 Q4	$623K	Sell	2,665 -4,510	-63%	-$875K	0.02%	1406
2025 Q3	$1.05M	Sell	7,175 -34,483	-83%	-$3.51M	0.05%	550
2025 Q2	$3.39M	Sell	41,658 -33,661	-45%	-$2.41M	0.14%	154
2025 Q1	$4.55M	Buy	75,319 +53,488	+245%	+$4.23M	0.23%	50
2024 Q4	$1.85M	Buy	21,831 +11,654	+115%	+$836K	0.16%	101
2024 Q3	$627K	Buy	+10,177	New	+$536K	0.05%	666
2024 Q2	–	Sell	-18,636	Closed	-$922K	–	1937
2024 Q1	$922K	Buy	18,636 +12,039	+182%	+$635K	0.12%	191
2023 Q4	$297K	Sell	6,597 -897	-12%	-$39.5K	0.07%	629
2023 Q3	$354K	Sell	7,494 -5,278	-41%	-$233K	0.06%	613
2023 Q2	$543K	Buy	12,772 +5,212	+69%	+$237K	0.1%	320
2023 Q1	$397K	Sell	7,560 -6,242	-45%	-$312K	0.08%	442
2022 Q4	$704K	Buy	+13,802	New	+$624K	0.15%	171

Other funds holding CIEN

Fidelity Investments

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

JP Morgan Chase

JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Capital Research Global Investors

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Bank of America

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return