PCH
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Polar Capital Holdings’s Ciena CIEN Stock Holding History

Polar Capital Holdings’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 		$310M Sell
798,395
-491,032
-38% -$150M 1.1% 24
2025
Q4 		$302M Sell
1,289,427
-173,784
-12% -$33.7M 1.17% 21
2025
Q3 		$213M Buy
1,463,211
+178,688
+14% +$18.2M 1.03% 24
2025
Q2 		$104M Buy
1,284,523
+49,546
+4% +$3.55M 0.55% 49
2025
Q1 		$74.6M Sell
1,234,977
-934,429
-43% -$73.9M 0.45% 66
2024
Q4 		$184M Buy
2,169,406
+1,154,260
+114% +$82.8M 1.03% 21
2024
Q3 		$62.5M Buy
+1,015,146
New +$53.5M 0.3% 73
2024
Q2 		– Sell
-49,680
Closed -$2.46M – 279
2024
Q1 		$2.46M Buy
+49,680
New +$2.62M 0.01% 264

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

Polar Capital Holdings's CIEN Position: Q1 2026 in Review

Polar Capital Holdings reduced its Ciena (CIEN) stake by 38% in Q1 2026, selling an estimated $150M and leaving 798,395 shares worth $310M. The position accounts for 1.1% of the portfolio, ranked #24.

Polar Capital Holdings first reported a position in CIEN in Q1 2024 and has held it in 8 quarters since. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Polar Capital Holdings held 798,395 shares of Ciena worth $310M as of Q1 2026.
  • Polar Capital Holdings sold 491,032 Ciena shares in Q1 2026, an estimated $150M.
  • Ciena made up 1.1% of Polar Capital Holdings's portfolio in Q1 2026, its #24 holding.
  • Polar Capital Holdings first reported a position in Ciena in Q1 2024 and has held it in 8 quarters since.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Polar Capital Holdings's 13F filing for Q1 2026, filed 15 May 2026.