TI
CIEN icon

Tidal Investments’s Ciena CIEN Stock Holding History

Tidal 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 		$62.6M Sell
127,546
-14,600
-10% -$7.45M 0.11% 188
2026
Q1 		$55.2M Buy
142,146
+98,319
+224% +$30.1M 0.12% 158
2025
Q4 		$10.2M Buy
43,827
+1,294
+3% +$251K 0.02% 448
2025
Q3 		$6.2M Sell
42,533
-1,051
-2% -$107K 0.01% 547
2025
Q2 		$3.54M Buy
43,584
+9,575
+28% +$687K 0.02% 534
2025
Q1 		$2.06M Buy
34,009
+2,996
+10% +$237K 0.02% 690
2024
Q4 		$2.63M Buy
31,013
+593
+2% +$42.6K 0.02% 598
2024
Q3 		$1.87M Sell
30,420
-14,251
-32% -$751K 0.02% 683
2024
Q2 		$2.15M Buy
44,671
+7,927
+22% +$376K 0.03% 528
2024
Q1 		$1.82M Buy
36,744
+28,972
+373% +$1.53M 0.03% 584
2023
Q4 		$350K Buy
+7,772
New +$343K 0.01% 1106

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

Tidal Investments's CIEN Position: Q2 2026 in Review

Tidal Investments reduced its Ciena (CIEN) stake by 10% in Q2 2026, selling an estimated $7.45M and leaving 127,546 shares worth $62.6M. The position accounts for 0.11% of the portfolio, ranked #188.

Tidal Investments first reported a position in CIEN in Q4 2023 and has held it in 11 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Tidal Investments held 127,546 shares of Ciena worth $62.6M as of Q2 2026.
  • Tidal Investments sold 14,600 Ciena shares in Q2 2026, an estimated $7.45M.
  • Ciena made up 0.11% of Tidal Investments's portfolio in Q2 2026, its #188 holding.
  • Tidal Investments first reported a position in Ciena in Q4 2023 and has held it in 11 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

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