Aberdeen Group
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Aberdeen Group’s Ciena CIEN Stock Holding History

Aberdeen Group’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 		$9.6M Buy
19,565
+1,279
+7% +$652K 0.01% 604
2026
Q1 		$7.1M Buy
18,286
+17,147
+1,505% +$5.24M 0.01% 646
2025
Q4 		$266K Buy
+1,139
New +$221K ﹤0.01% 923
2020
Q4 		– Sell
-286,292
Closed -$11.4M – 961
2020
Q3 		$11.4M Buy
286,292
+58,844
+26% +$3.1M 0.03% 394
2020
Q2 		$12.3M Buy
+227,448
New +$11.3M 0.03% 370

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

Aberdeen Group's CIEN Position: Q2 2026 in Review

Aberdeen Group increased its Ciena (CIEN) stake by 7% in Q2 2026, buying an estimated $652K and bringing the position to 19,565 shares worth $9.6M. The position accounts for 0.01% of the portfolio, ranked #604.

Aberdeen Group first reported a position in CIEN in Q2 2020 and has held it in 5 quarters since. The position peaked at $12.3M in Q2 2020. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Aberdeen Group held 19,565 shares of Ciena worth $9.6M as of Q2 2026.
  • Aberdeen Group bought 1,279 Ciena shares in Q2 2026, an estimated $652K.
  • Ciena made up 0.01% of Aberdeen Group's portfolio in Q2 2026, its #604 holding.
  • Aberdeen Group first reported a position in Ciena in Q2 2020 and has held it in 5 quarters since.
  • Aberdeen Group's Ciena position peaked at $12.3M in Q2 2020.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Aberdeen Group's 13F filing for Q2 2026, filed 31 Jul 2026.