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Whale Rock Capital Management’s Ciena CIEN Stock Holding History

Whale Rock 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 		$89.8M Sell
231,267
-662,216
-74% -$203M 1.16% 27
2025
Q4 		$209M Sell
893,483
-444,317
-33% -$86.2M 2.67% 18
2025
Q3 		$195M Buy
1,337,800
+501,952
+60% +$51.1M 2.29% 20
2025
Q2 		$68M Buy
+835,848
New +$60M 0.94% 33

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

Whale Rock Capital Management's CIEN Position: Q1 2026 in Review

Whale Rock Capital Management reduced its Ciena (CIEN) stake by 74% in Q1 2026, selling an estimated $203M and leaving 231,267 shares worth $89.8M. The position accounts for 1.16% of the portfolio, ranked #27.

Whale Rock Capital Management first reported a position in CIEN in Q2 2025 and has held it in 4 quarters since. The position peaked at $209M in Q4 2025. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Whale Rock Capital Management held 231,267 shares of Ciena worth $89.8M as of Q1 2026.
  • Whale Rock Capital Management sold 662,216 Ciena shares in Q1 2026, an estimated $203M.
  • Ciena made up 1.16% of Whale Rock Capital Management's portfolio in Q1 2026, its #27 holding.
  • Whale Rock Capital Management first reported a position in Ciena in Q2 2025 and has held it in 4 quarters since.
  • Whale Rock Capital Management's Ciena position peaked at $209M in Q4 2025.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Whale Rock Capital Management's 13F filing for Q1 2026, filed 15 May 2026.