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Gilder Gagnon Howe & Co’s Ciena CIEN Stock Holding History

Gilder Gagnon Howe & Co’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 		– Sell
-10,558
Closed -$4.1M – 279
2026
Q1 		$4.1M Sell
10,558
-25,476
-71% -$7.79M 0.05% 158
2025
Q4 		$8.43M Sell
36,034
-1,857
-5% -$360K 0.09% 124
2025
Q3 		$5.52M Buy
37,891
+175
+0.5% +$17.8K 0.06% 149
2025
Q2 		$3.07M Buy
37,716
+9,905
+36% +$711K 0.03% 161
2025
Q1 		$1.68M Buy
+27,811
New +$2.2M 0.02% 173

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

Gilder Gagnon Howe & Co's CIEN Position: Q2 2026 in Review

Gilder Gagnon Howe & Co sold out of Ciena (CIEN) in Q2 2026, closing a stake of 10,558 shares — an estimated $4.1M sold.

Gilder Gagnon Howe & Co first reported a position in CIEN in Q1 2025 and held it in 5 quarters. The position peaked at $8.43M in Q4 2025. 1,217 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Gilder Gagnon Howe & Co reported no remaining Ciena position as of Q2 2026 after selling out during the quarter.
  • Gilder Gagnon Howe & Co sold 10,558 Ciena shares in Q2 2026, an estimated $4.1M.
  • Gilder Gagnon Howe & Co first reported a position in Ciena in Q1 2025 and held it in 5 quarters.
  • Gilder Gagnon Howe & Co's Ciena position peaked at $8.43M in Q4 2025.
  • 1,217 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Gilder Gagnon Howe & Co's 13F filing for Q2 2026, filed 14 Aug 2026.