National Bank of Canada
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National Bank of Canada’s Ciena CIEN Stock Holding History

National Bank of Canada’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 		$43.6M Buy
88,971
+4,483
+5% +$2.29M 0.03% 373
2026
Q1 		$32.8M Buy
84,488
+40,200
+91% +$12.3M 0.03% 361
2025
Q4 		$10.3M Sell
44,288
-6,653
-13% -$1.29M 0.01% 715
2025
Q3 		$7.42M Sell
50,941
-44,840
-47% -$4.57M 0.01% 784
2025
Q2 		$7.79M Buy
95,781
+94,634
+8,251% +$6.79M 0.01% 847
2025
Q1 		$69.2K Buy
1,147
+153
+15% +$12.1K ﹤0.01% 1787
2024
Q4 		$84.3K Sell
994
-169
-15% -$12.1K ﹤0.01% 1798
2024
Q3 		$71.6K Sell
1,163
-244
-17% -$12.9K ﹤0.01% 1612
2024
Q2 		$67.2K Hold
1,407
– – ﹤0.01% 1597
2024
Q1 		$69.1K Sell
1,407
-110,100
-99% -$5.81M ﹤0.01% 1656
2023
Q4 		$5.03M Buy
111,507
+87,412
+363% +$3.85M 0.01% 766
2023
Q3 		$1.14M Hold
24,095
– – ﹤0.01% 1163
2023
Q2 		$1.02M Buy
24,095
+22,844
+1,826% +$1.04M ﹤0.01% 1141
2023
Q1 		$65.7K Sell
1,251
-6
-0.5% -$299 ﹤0.01% 1630
2022
Q4 		$64.1K Sell
1,257
-100,081
-99% -$4.53M ﹤0.01% 1671
2022
Q3 		$4.1M Buy
101,338
+100,000
+7,474% +$4.8M 0.02% 587
2022
Q2 		$62K Buy
1,338
+47
+4% +$2.44K ﹤0.01% 1699
2022
Q1 		$79K Buy
1,291
+176
+16% +$11.5K ﹤0.01% 1728
2021
Q4 		$86K Buy
+1,115
New +$68.8K ﹤0.01% 1675

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

National Bank of Canada's CIEN Position: Q2 2026 in Review

National Bank of Canada increased its Ciena (CIEN) stake by 5.3% in Q2 2026, buying an estimated $2.29M and bringing the position to 88,971 shares worth $43.6M. The position accounts for 0.03% of the portfolio, ranked #373.

National Bank of Canada first reported a position in CIEN in Q4 2021 and has held it in 19 quarters since. 1,217 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • National Bank of Canada held 88,971 shares of Ciena worth $43.6M as of Q2 2026.
  • National Bank of Canada bought 4,483 Ciena shares in Q2 2026, an estimated $2.29M.
  • Ciena made up 0.03% of National Bank of Canada's portfolio in Q2 2026, its #373 holding.
  • National Bank of Canada first reported a position in Ciena in Q4 2021 and has held it in 19 quarters since.
  • 1,217 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on National Bank of Canada's 13F filing for Q2 2026, filed 10 Aug 2026.