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iSAM Funds (UK)’s Ciena CIEN Stock Holding History

iSAM Funds (UK)’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
2025
Q4 		– Sell
-1,347
Closed -$196K – 386
2025
Q3 		$196K Buy
+1,347
New +$137K 0.04% 417
2025
Q2 		– Sell
-4,444
Closed -$269K – 473
2025
Q1 		$269K Buy
+4,444
New +$351K 0.13% 243
2023
Q2 		– Sell
-6,760
Closed -$355K – 205
2023
Q1 		$355K Buy
+6,760
New +$337K 0.45% 91

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
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
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return

iSAM Funds (UK)'s CIEN Position: Q4 2025 in Review

iSAM Funds (UK) sold out of Ciena (CIEN) in Q4 2025, closing a stake of 1,347 shares — an estimated $196K sold.

iSAM Funds (UK) first reported a position in CIEN in Q1 2023 and held it in 3 quarters. The position peaked at $355K in Q1 2023. 854 funds tracked by Wall St. Rank hold CIEN as of Q4 2025.

  • iSAM Funds (UK) reported no remaining Ciena position as of Q4 2025 after selling out during the quarter.
  • iSAM Funds (UK) sold 1,347 Ciena shares in Q4 2025, an estimated $196K.
  • iSAM Funds (UK) first reported a position in Ciena in Q1 2023 and held it in 3 quarters.
  • iSAM Funds (UK)'s Ciena position peaked at $355K in Q1 2023.
  • 854 funds tracked by Wall St. Rank held Ciena as of Q4 2025.

Based on iSAM Funds (UK)'s 13F filing for Q4 2025, filed 17 Feb 2026.