PCM
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Polymer Capital Management’s Ciena CIEN Stock Holding History

Polymer 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
2026
Q1 		$587K Sell
1,513
-2,260
-60% -$691K 0.06% 350
2025
Q4 		$882K Buy
3,773
+1,854
+97% +$360K 0.09% 325
2025
Q3 		$280K Sell
1,919
-5,511
-74% -$561K 0.03% 633
2025
Q2 		$604K Buy
+7,430
New +$533K 0.07% 238

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

Polymer Capital Management's CIEN Position: Q1 2026 in Review

Polymer Capital Management reduced its Ciena (CIEN) stake by 60% in Q1 2026, selling an estimated $691K and leaving 1,513 shares worth $587K. The position accounts for 0.06% of the portfolio, ranked #350.

Polymer Capital Management first reported a position in CIEN in Q2 2025 and has held it in 4 quarters since. The position peaked at $882K in Q4 2025. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Polymer Capital Management held 1,513 shares of Ciena worth $587K as of Q1 2026.
  • Polymer Capital Management sold 2,260 Ciena shares in Q1 2026, an estimated $691K.
  • Ciena made up 0.06% of Polymer Capital Management's portfolio in Q1 2026, its #350 holding.
  • Polymer Capital Management first reported a position in Ciena in Q2 2025 and has held it in 4 quarters since.
  • Polymer Capital Management's Ciena position peaked at $882K in Q4 2025.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Polymer Capital Management's 13F filing for Q1 2026, filed 14 May 2026.