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Alex Sacerdote’s Ciena CIEN Stock Holding History

Alex Sacerdote’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
Q2 		– Sell
-231,267
Closed -$89.8M – 38
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 $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Alex Sacerdote's CIEN Position: Q2 2026 in Review

Alex Sacerdote sold out of Ciena (CIEN) in Q2 2026, closing a stake of 231,267 shares — an estimated $89.8M sold.

Alex Sacerdote first reported a position in CIEN in Q2 2025 and held it in 4 quarters. The position peaked at $209M in Q4 2025. 1,217 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Alex Sacerdote reported no remaining Ciena position as of Q2 2026 after selling out during the quarter.
  • Alex Sacerdote sold 231,267 Ciena shares in Q2 2026, an estimated $89.8M.
  • Alex Sacerdote first reported a position in Ciena in Q2 2025 and held it in 4 quarters.
  • Alex Sacerdote's Ciena position peaked at $209M in Q4 2025.
  • 1,217 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Whale Rock Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.