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Horizon Investments’s Ciena CIEN Stock Holding History

Horizon Investments’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 		$8.15M Buy
16,623
+4,239
+34% +$2.16M 0.09% 197
2026
Q1 		$4.81M Sell
12,384
-45,246
-79% -$13.8M 0.05% 296
2025
Q4 		$13.5M Buy
57,630
+57,606
+240,025% +$11.2M 0.17% 100
2025
Q3 		$3.5K Buy
+24
New +$2.44K ﹤0.01% 1073
2024
Q2 		– Sell
-14
Closed -$692 – 831
2024
Q1 		$692 Buy
+14
New +$739 ﹤0.01% 772

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 $3.38T AUM 44.17% 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

Horizon Investments's CIEN Position: Q2 2026 in Review

Horizon Investments increased its Ciena (CIEN) stake by 34% in Q2 2026, buying an estimated $2.16M and bringing the position to 16,623 shares worth $8.15M. The position accounts for 0.09% of the portfolio, ranked #197.

Horizon Investments first reported a position in CIEN in Q1 2024 and has held it in 5 quarters since. The position peaked at $13.5M in Q4 2025. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Horizon Investments held 16,623 shares of Ciena worth $8.15M as of Q2 2026.
  • Horizon Investments bought 4,239 Ciena shares in Q2 2026, an estimated $2.16M.
  • Ciena made up 0.09% of Horizon Investments's portfolio in Q2 2026, its #197 holding.
  • Horizon Investments first reported a position in Ciena in Q1 2024 and has held it in 5 quarters since.
  • Horizon Investments's Ciena position peaked at $13.5M in Q4 2025.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Horizon Investments's 13F filing for Q2 2026, filed 13 Aug 2026.