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Entropy Technologies’s Ciena CIEN Stock Holding History

Entropy Technologies’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 		$14.1M Buy
+28,706
New +$14.6M 0.56% 25
2026
Q1 		– Sell
-15,551
Closed -$3.64M – 934
2025
Q4 		$3.64M Buy
15,551
+2,443
+19% +$474K 0.2% 142
2025
Q3 		$1.91M Buy
+13,108
New +$1.33M 0.14% 193

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

Entropy Technologies's CIEN Position: Q2 2026 in Review

Entropy Technologies opened a new position in Ciena (CIEN) in Q2 2026: 28,706 shares worth $14.1M. The stake represents 0.56% of the portfolio and ranks #25 among its holdings. This is a return to the name: Entropy Technologies previously reported a position in CIEN as recently as Q4 2025.

Entropy Technologies first reported a position in CIEN in Q3 2025 and has held it in 3 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Entropy Technologies held 28,706 shares of Ciena worth $14.1M as of Q2 2026.
  • Ciena was a new Entropy Technologies position in Q2 2026.
  • Ciena made up 0.56% of Entropy Technologies's portfolio in Q2 2026, its #25 holding.
  • Entropy Technologies first reported a position in Ciena in Q3 2025 and has held it in 3 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Entropy Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.