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Rational Advisors’s Ciena CIEN Stock Holding History

Rational Advisors’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
-2,200
Closed -$179K – 196
2025
Q2 		$179K Buy
+2,200
New +$158K 0.02% 112
2020
Q4 		– Sell
-364
Closed -$14K – 280
2020
Q3 		$14K Buy
364
+65
+22% +$3.42K 0.01% 251
2020
Q2 		$16K Buy
+299
New +$14.9K 0.01% 305
2017
Q4 		– Sell
-26,825
Closed -$589K – 285
2017
Q3 		$589K Buy
+26,825
New +$642K 0.32% 100
2016
Q3 		– Sell
-25
Closed – – 278
2016
Q2 		$0 Buy
+25
New +$453 ﹤0.01% 208

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

Rational Advisors's CIEN Position: Q3 2025 in Review

Rational Advisors sold out of Ciena (CIEN) in Q3 2025, closing a stake of 2,200 shares — an estimated $179K sold.

Rational Advisors first reported a position in CIEN in Q2 2016 and held it in 5 quarters. The position peaked at $589K in Q3 2017. 688 funds tracked by Wall St. Rank hold CIEN as of Q3 2025.

  • Rational Advisors reported no remaining Ciena position as of Q3 2025 after selling out during the quarter.
  • Rational Advisors sold 2,200 Ciena shares in Q3 2025, an estimated $179K.
  • Rational Advisors first reported a position in Ciena in Q2 2016 and held it in 5 quarters.
  • Rational Advisors's Ciena position peaked at $589K in Q3 2017.
  • 688 funds tracked by Wall St. Rank held Ciena as of Q3 2025.

Based on Rational Advisors's 13F filing for Q3 2025, filed 12 Nov 2025.