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Harbour Investments’s Ciena CIEN Stock Holding History

Harbour 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 		$2.57M Buy
5,242
+871
+20% +$444K 0.03% 462
2026
Q1 		$1.7M Buy
4,371
+3,309
+312% +$1.01M 0.03% 557
2025
Q4 		$248K Buy
1,062
+714
+205% +$139K 0.01% 1177
2025
Q3 		$50.7K Buy
348
+142
+69% +$14.5K ﹤0.01% 1897
2025
Q2 		$16.8K Buy
206
+4
+2% +$287 ﹤0.01% 2317
2025
Q1 		$12.2K Buy
202
+2
+1% +$158 ﹤0.01% 2427
2024
Q4 		$17K Hold
200
– – ﹤0.01% 2206
2024
Q3 		$12.3K Hold
200
– – ﹤0.01% 2265
2024
Q2 		$9.64K Hold
200
– – ﹤0.01% 2279
2024
Q1 		$9.89K Sell
200
-89
-31% -$4.7K ﹤0.01% 2226
2023
Q4 		$13K Hold
289
– – ﹤0.01% 2051
2023
Q3 		$13.7K Buy
289
+89
+45% +$3.92K ﹤0.01% 1913
2023
Q2 		$8.5K Hold
200
– – ﹤0.01% 2109
2023
Q1 		$10.5K Hold
200
– – ﹤0.01% 1996
2022
Q4 		$10.2K Sell
200
-216
-52% -$9.77K ﹤0.01% 1943
2022
Q3 		$19K Hold
416
– – ﹤0.01% 1665
2022
Q2 		$19K Buy
+416
New +$21.6K ﹤0.01% 1665
2021
Q4 		$15K Hold
200
– – ﹤0.01% 1767
2021
Q3 		$10K Sell
200
-28
-12% -$1.55K ﹤0.01% 2649
2021
Q2 		$13K Sell
228
-152
-40% -$8.38K ﹤0.01% 2575
2021
Q1 		$21K Buy
+380
New +$20.4K ﹤0.01% 2175

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

Harbour Investments's CIEN Position: Q2 2026 in Review

Harbour Investments increased its Ciena (CIEN) stake by 20% in Q2 2026, buying an estimated $444K and bringing the position to 5,242 shares worth $2.57M. The position accounts for 0.03% of the portfolio, ranked #462.

Harbour Investments first reported a position in CIEN in Q1 2021 and has held it in 21 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Harbour Investments held 5,242 shares of Ciena worth $2.57M as of Q2 2026.
  • Harbour Investments bought 871 Ciena shares in Q2 2026, an estimated $444K.
  • Ciena made up 0.03% of Harbour Investments's portfolio in Q2 2026, its #462 holding.
  • Harbour Investments first reported a position in Ciena in Q1 2021 and has held it in 21 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Harbour Investments's 13F filing for Q2 2026, filed 12 Aug 2026.