Caisse de Depot et Placement du Quebec (CDPQ)
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Caisse de Depot et Placement du Quebec (CDPQ)’s Ciena CIEN Stock Holding History

Caisse de Depot et Placement du Quebec (CDPQ)’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 		$98.3M Buy
200,342
+135,844
+211% +$69.3M 0.14% 166
2026
Q1 		$25M Buy
64,498
+2,677
+4% +$819K 0.04% 343
2025
Q4 		$14.5M Buy
+61,821
New +$12M 0.02% 394
2019
Q3 		– Sell
-197,100
Closed -$8.11M – 827
2019
Q2 		$8.11M Buy
+197,100
New +$7.58M 0.02% 248

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

Caisse de Depot et Placement du Quebec (CDPQ)'s CIEN Position: Q2 2026 in Review

Caisse de Depot et Placement du Quebec (CDPQ) increased its Ciena (CIEN) stake by 211% in Q2 2026, buying an estimated $69.3M and bringing the position to 200,342 shares worth $98.3M. The position accounts for 0.14% of the portfolio, ranked #166.

Caisse de Depot et Placement du Quebec (CDPQ) first reported a position in CIEN in Q2 2019 and has held it in 4 quarters since. 1,227 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Caisse de Depot et Placement du Quebec (CDPQ) held 200,342 shares of Ciena worth $98.3M as of Q2 2026.
  • Caisse de Depot et Placement du Quebec (CDPQ) bought 135,844 Ciena shares in Q2 2026, an estimated $69.3M.
  • Ciena made up 0.14% of Caisse de Depot et Placement du Quebec (CDPQ)'s portfolio in Q2 2026, its #166 holding.
  • Caisse de Depot et Placement du Quebec (CDPQ) first reported a position in Ciena in Q2 2019 and has held it in 4 quarters since.
  • 1,227 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Caisse de Depot et Placement du Quebec (CDPQ)'s 13F filing for Q2 2026, filed 14 Aug 2026.