GFM
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GF Fund Management’s Ciena CIEN Stock Holding History

GF Fund Management’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
Q1 		$41.9M Sell
107,979
-84,001
-44% -$25.7M 0.7% 32
2025
Q4 		$44.9M Buy
191,980
+77,425
+68% +$15M 0.77% 26
2025
Q3 		$16.7M Buy
+114,555
New +$11.7M 0.3% 62

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

GF Fund Management's CIEN Position: Q1 2026 in Review

GF Fund Management reduced its Ciena (CIEN) stake by 44% in Q1 2026, selling an estimated $25.7M and leaving 107,979 shares worth $41.9M. The position accounts for 0.7% of the portfolio, ranked #32.

GF Fund Management first reported a position in CIEN in Q3 2025 and has held it in 3 quarters since. The position peaked at $44.9M in Q4 2025. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • GF Fund Management held 107,979 shares of Ciena worth $41.9M as of Q1 2026.
  • GF Fund Management sold 84,001 Ciena shares in Q1 2026, an estimated $25.7M.
  • Ciena made up 0.7% of GF Fund Management's portfolio in Q1 2026, its #32 holding.
  • GF Fund Management first reported a position in Ciena in Q3 2025 and has held it in 3 quarters since.
  • GF Fund Management's Ciena position peaked at $44.9M in Q4 2025.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on GF Fund Management's 13F filing for Q1 2026, filed 15 Apr 2026.