Czech National Bank’s Ciena CIEN Stock Holding History

Czech National Bank’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	$19.7M	Buy	40,247 +1,886	+5%	+$962K	0.11%	173
2026 Q1	$14.9M	Buy	+38,361	New	+$11.7M	0.1%	193

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

Czech National Bank's CIEN Position: Q2 2026 in Review

Czech National Bank increased its Ciena (CIEN) stake by 4.9% in Q2 2026, buying an estimated $962K and bringing the position to 40,247 shares worth $19.7M. The position accounts for 0.11% of the portfolio, ranked #173.

Czech National Bank first reported a position in CIEN in Q1 2026 and has held it in 2 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Czech National Bank held 40,247 shares of Ciena worth $19.7M as of Q2 2026.
Czech National Bank bought 1,886 Ciena shares in Q2 2026, an estimated $962K.
Ciena made up 0.11% of Czech National Bank's portfolio in Q2 2026, its #173 holding.
Czech National Bank first reported a position in Ciena in Q1 2026 and has held it in 2 quarters since.
1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Czech National Bank's 13F filing for Q2 2026, filed 8 Jul 2026.