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SG Capital Management’s Ciena CIEN Stock Holding History

SG Capital 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
2025
Q3 		– Sell
-404,735
Closed -$32.9M – 70
2025
Q2 		$32.9M Buy
+404,735
New +$29M 2.27% 11
2017
Q2 		– Sell
-295,176
Closed -$6.97M – 53
2017
Q1 		$6.97M Buy
+295,176
New +$7.24M 1.7% 25

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 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
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

SG Capital Management's CIEN Position: Q3 2025 in Review

SG Capital Management sold out of Ciena (CIEN) in Q3 2025, closing a stake of 404,735 shares — an estimated $32.9M sold.

SG Capital Management first reported a position in CIEN in Q1 2017 and held it in 2 quarters. The position peaked at $32.9M in Q2 2025. 688 funds tracked by Wall St. Rank hold CIEN as of Q3 2025.

  • SG Capital Management reported no remaining Ciena position as of Q3 2025 after selling out during the quarter.
  • SG Capital Management sold 404,735 Ciena shares in Q3 2025, an estimated $32.9M.
  • SG Capital Management first reported a position in Ciena in Q1 2017 and held it in 2 quarters.
  • SG Capital Management's Ciena position peaked at $32.9M in Q2 2025.
  • 688 funds tracked by Wall St. Rank held Ciena as of Q3 2025.

Based on SG Capital Management's 13F filing for Q3 2025, filed 7 Nov 2025.