DnB Asset Management
CIEN icon

DnB Asset Management’s Ciena CIEN Stock Holding History

DnB Asset Management’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 		$15.7M Buy
31,940
+1,806
+6% +$921K 0.04% 272
2026
Q1 		$11.7M Buy
30,134
+2,607
+9% +$797K 0.04% 279
2025
Q4 		$6.44M Buy
27,527
+25,225
+1,096% +$4.89M 0.02% 387
2025
Q3 		$335K Buy
+2,302
New +$234K ﹤0.01% 690

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

DnB Asset Management's CIEN Position: Q2 2026 in Review

DnB Asset Management increased its Ciena (CIEN) stake by 6% in Q2 2026, buying an estimated $921K and bringing the position to 31,940 shares worth $15.7M. The position accounts for 0.04% of the portfolio, ranked #272.

DnB Asset Management first reported a position in CIEN in Q3 2025 and has held it in 4 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • DnB Asset Management held 31,940 shares of Ciena worth $15.7M as of Q2 2026.
  • DnB Asset Management bought 1,806 Ciena shares in Q2 2026, an estimated $921K.
  • Ciena made up 0.04% of DnB Asset Management's portfolio in Q2 2026, its #272 holding.
  • DnB Asset Management first reported a position in Ciena in Q3 2025 and has held it in 4 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on DnB Asset Management's 13F filing for Q2 2026, filed 11 Aug 2026.