Keystone Investors’s Ciena CIEN Stock Holding History

Keystone Investors’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
2025 Q1	–	Sell	-534,618	Closed	-$45.3M	–	58
2024 Q4	$45.3M	Buy	+534,618	New	+$38.4M	3.17%	10

Other funds holding CIEN

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Keystone Investors's CIEN Position: Q1 2025 in Review

Keystone Investors sold out of Ciena (CIEN) in Q1 2025, closing a stake of 534,618 shares — an estimated $45.3M sold.

Keystone Investors first reported a position in CIEN in Q4 2024 and held it in 1 quarter. The position peaked at $45.3M in Q4 2024. 544 funds tracked by Wall St. Rank hold CIEN as of Q1 2025.

Keystone Investors reported no remaining Ciena position as of Q1 2025 after selling out during the quarter.
Keystone Investors sold 534,618 Ciena shares in Q1 2025, an estimated $45.3M.
Keystone Investors first reported a position in Ciena in Q4 2024 and held it in 1 quarter.
Keystone Investors's Ciena position peaked at $45.3M in Q4 2024.
544 funds tracked by Wall St. Rank held Ciena as of Q1 2025.

Based on Keystone Investors's 13F filing for Q1 2025, filed 12 May 2025.