Tudor Investment Corp
CIEN icon

Tudor Investment Corp’s Ciena CIEN Stock Holding History

Tudor Investment Corp’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 		$464K Buy
+1,194
New +$365K ﹤0.01% 2866
2024
Q1 		– Sell
-187,152
Closed -$8.42M – 2289
2023
Q4 		$8.42M Buy
187,152
+141,654
+311% +$6.25M 0.07% 405
2023
Q3 		$2.15M Buy
+45,498
New +$2.01M 0.02% 891
2022
Q2 		– Sell
-17,390
Closed -$1.05M – 2144
2022
Q1 		$1.05M Buy
+17,390
New +$1.14M 0.02% 890
2021
Q4 		– Sell
-28,191
Closed -$1.45M – 2462
2021
Q3 		$1.45M Buy
+28,191
New +$1.57M 0.02% 918
2021
Q2 		– Sell
-16,636
Closed -$910K – 1637
2021
Q1 		$910K Buy
+16,636
New +$895K 0.02% 884
2020
Q1 		– Sell
-25,799
Closed -$1.1M – 1084
2019
Q4 		$1.1M Buy
25,799
+3,940
+18% +$150K 0.05% 470
2019
Q3 		$858K Sell
21,859
-55,852
-72% -$2.34M 0.03% 550
2019
Q2 		$3.2M Buy
77,711
+64,900
+507% +$2.5M 0.09% 190
2019
Q1 		$478K Buy
+12,811
New +$498K 0.02% 727
2018
Q1 		– Sell
-26,599
Closed -$557K – 1023
2017
Q4 		$557K Buy
+26,599
New +$564K 0.01% 562
2017
Q2 		– Sell
-18,692
Closed -$441K – 1069
2017
Q1 		$441K Sell
18,692
-44,592
-70% -$1.09M 0.01% 746
2016
Q4 		$1.54M Buy
+63,284
New +$1.38M 0.04% 229
2016
Q3 		– Sell
-35,500
Closed -$666K – 1461
2016
Q2 		$666K Buy
+35,500
New +$643K 0.01% 653
2016
Q1 		– Sell
-36,092
Closed -$747K – 1763
2015
Q4 		$747K Sell
36,092
-35,541
-50% -$816K 0.02% 621
2015
Q3 		$1.48M Buy
+71,633
New +$1.66M 0.05% 255
2015
Q1 		– Sell
-60,967
Closed -$1.18M – 1464
2014
Q4 		$1.18M Buy
+60,967
New +$1.02M 0.04% 278
2014
Q2 		– Sell
-18,200
Closed -$414K – 1180
2014
Q1 		$414K Buy
+18,200
New +$428K 0.02% 624

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

Tudor Investment Corp's CIEN Position: Q1 2026 in Review

Tudor Investment Corp opened a new position in Ciena (CIEN) in Q1 2026: 1,194 shares worth $464K. The stake represents ﹤0.01% of the portfolio and ranks #2866 among its holdings. This is a return to the name: Tudor Investment Corp previously reported a position in CIEN as recently as Q4 2023.

Tudor Investment Corp first reported a position in CIEN in Q1 2014 and has held it in 18 quarters since. The position peaked at $8.42M in Q4 2023. 1,081 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Tudor Investment Corp held 1,194 shares of Ciena worth $464K as of Q1 2026.
  • Ciena was a new Tudor Investment Corp position in Q1 2026.
  • Ciena made up ﹤0.01% of Tudor Investment Corp's portfolio in Q1 2026, its #2866 holding.
  • Tudor Investment Corp first reported a position in Ciena in Q1 2014 and has held it in 18 quarters since.
  • Tudor Investment Corp's Ciena position peaked at $8.42M in Q4 2023.
  • 1,081 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Tudor Investment Corp's 13F filing for Q1 2026, filed 15 May 2026.