Paloma Partners’s Ciena CIEN Stock Holding History

Paloma Partners’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
2017 Q3	–	Sell	-11,000	Closed	-$275K	–	2124
2017 Q2	$275K	Buy	+11,000	New	+$264K	﹤0.01%	1842

Other funds holding CIEN

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

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 Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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

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

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

Paloma Partners's CIEN Position: Q1 2026 in Review

Paloma Partners sold out of Ciena (CIEN) in Q1 2026, closing a stake of 4,000 shares — an estimated $935K sold.

Paloma Partners first reported a position in CIEN in Q4 2014 and held it in 23 quarters. The position peaked at $14.3M in Q2 2019. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

Paloma Partners reported no remaining Ciena position as of Q1 2026 after selling out during the quarter.
Paloma Partners sold 4,000 Ciena shares in Q1 2026, an estimated $935K.
Paloma Partners first reported a position in Ciena in Q4 2014 and held it in 23 quarters.
Paloma Partners's Ciena position peaked at $14.3M in Q2 2019.
1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Paloma Partners's 13F filing for Q1 2026, filed 15 May 2026.