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HighVista Strategies’s Ciena CIEN Stock Holding History

HighVista Strategies’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 		$1.43M Sell
2,925
-2,360
-45% -$1.2M 0.33% 92
2026
Q1 		$2.05M Buy
5,285
+100
+2% +$30.6K 0.57% 57
2025
Q4 		$1.21M Buy
+5,185
New +$1.01M 0.31% 88
2025
Q2 		– Sell
-24,300
Closed -$1.47M – 153
2025
Q1 		$1.47M Buy
24,300
+5,900
+32% +$466K 0.57% 74
2024
Q4 		$1.56M Buy
+18,400
New +$1.32M 0.58% 62

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

HighVista Strategies's CIEN Position: Q2 2026 in Review

HighVista Strategies reduced its Ciena (CIEN) stake by 45% in Q2 2026, selling an estimated $1.2M and leaving 2,925 shares worth $1.43M. The position accounts for 0.33% of the portfolio, ranked #92.

HighVista Strategies first reported a position in CIEN in Q4 2024 and has held it in 5 quarters since. The position peaked at $2.05M in Q1 2026. 1,225 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • HighVista Strategies held 2,925 shares of Ciena worth $1.43M as of Q2 2026.
  • HighVista Strategies sold 2,360 Ciena shares in Q2 2026, an estimated $1.2M.
  • Ciena made up 0.33% of HighVista Strategies's portfolio in Q2 2026, its #92 holding.
  • HighVista Strategies first reported a position in Ciena in Q4 2024 and has held it in 5 quarters since.
  • HighVista Strategies's Ciena position peaked at $2.05M in Q1 2026.
  • 1,225 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on HighVista Strategies's 13F filing for Q2 2026, filed 14 Aug 2026.