Candriam SCA’s Ciena CIEN Stock Holding History

Candriam SCA’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 Q2	$16.9M	Buy	34,468 +23,212	+206%	+$11.8M	0.08%	223
2026 Q1	$4.37M	Buy	11,256 +319	+3%	+$97.6K	0.02%	413
2025 Q4	$2.56M	Buy	+10,937	New	+$2.12M	0.01%	472

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

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

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

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

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

Candriam SCA's CIEN Position: Q2 2026 in Review

Candriam SCA increased its Ciena (CIEN) stake by 206% in Q2 2026, buying an estimated $11.8M and bringing the position to 34,468 shares worth $16.9M. The position accounts for 0.08% of the portfolio, ranked #223.

Candriam SCA first reported a position in CIEN in Q4 2025 and has held it in 3 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Candriam SCA held 34,468 shares of Ciena worth $16.9M as of Q2 2026.
Candriam SCA bought 23,212 Ciena shares in Q2 2026, an estimated $11.8M.
Ciena made up 0.08% of Candriam SCA's portfolio in Q2 2026, its #223 holding.
Candriam SCA first reported a position in Ciena in Q4 2025 and has held it in 3 quarters since.
1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Candriam SCA's 13F filing for Q2 2026, filed 13 Aug 2026.