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Sherbrooke Park Advisers’s Ciena CIEN Stock Holding History

Sherbrooke Park Advisers’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
-4,754
Closed -$693K – 257
2025
Q3 		$693K Sell
4,754
-4,059
-46% -$413K 0.32% 86
2025
Q2 		$717K Buy
+8,813
New +$632K 0.31% 92
2025
Q1 		– Sell
-7,264
Closed -$616K – 659
2024
Q4 		$616K Buy
+7,264
New +$521K 0.2% 149
2024
Q2 		– Sell
-35,710
Closed -$1.77M – 939
2024
Q1 		$1.77M Buy
35,710
+20,829
+140% +$1.1M 0.34% 39
2023
Q4 		$670K Buy
+14,881
New +$656K 0.31% 108
2023
Q3 		– Sell
-20,700
Closed -$880K – 521
2023
Q2 		$880K Buy
+20,700
New +$943K 0.46% 55

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 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 $1.56T AUM 27.86% 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 $865B AUM 30.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return

Sherbrooke Park Advisers's CIEN Position: Q4 2025 in Review

Sherbrooke Park Advisers sold out of Ciena (CIEN) in Q4 2025, closing a stake of 4,754 shares — an estimated $693K sold.

Sherbrooke Park Advisers first reported a position in CIEN in Q2 2023 and held it in 6 quarters. The position peaked at $1.77M in Q1 2024. 854 funds tracked by Wall St. Rank hold CIEN as of Q4 2025.

  • Sherbrooke Park Advisers reported no remaining Ciena position as of Q4 2025 after selling out during the quarter.
  • Sherbrooke Park Advisers sold 4,754 Ciena shares in Q4 2025, an estimated $693K.
  • Sherbrooke Park Advisers first reported a position in Ciena in Q2 2023 and held it in 6 quarters.
  • Sherbrooke Park Advisers's Ciena position peaked at $1.77M in Q1 2024.
  • 854 funds tracked by Wall St. Rank held Ciena as of Q4 2025.

Based on Sherbrooke Park Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.