T. Rowe Price Investment Management
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T. Rowe Price Investment Management’s Ciena CIEN Stock Holding History

T. Rowe Price Investment Management’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 		$133M Sell
271,873
-146,586
-35% -$74.8M 0.09% 226
2026
Q1 		$162M Buy
418,459
+418,395
+653,742% +$128M 0.11% 184
2025
Q4 		$15K Hold
64
– – ﹤0.01% 695
2025
Q3 		$10K Buy
+64
New +$6.52K ﹤0.01% 709

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

T. Rowe Price Investment Management's CIEN Position: Q2 2026 in Review

T. Rowe Price Investment Management reduced its Ciena (CIEN) stake by 35% in Q2 2026, selling an estimated $74.8M and leaving 271,873 shares worth $133M. The position accounts for 0.09% of the portfolio, ranked #226.

T. Rowe Price Investment Management first reported a position in CIEN in Q3 2025 and has held it in 4 quarters since. The position peaked at $162M in Q1 2026. 1,217 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • T. Rowe Price Investment Management held 271,873 shares of Ciena worth $133M as of Q2 2026.
  • T. Rowe Price Investment Management sold 146,586 Ciena shares in Q2 2026, an estimated $74.8M.
  • Ciena made up 0.09% of T. Rowe Price Investment Management's portfolio in Q2 2026, its #226 holding.
  • T. Rowe Price Investment Management first reported a position in Ciena in Q3 2025 and has held it in 4 quarters since.
  • T. Rowe Price Investment Management's Ciena position peaked at $162M in Q1 2026.
  • 1,217 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on T. Rowe Price Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.