Cambridge Investment Research Advisors
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Cambridge Investment Research Advisors’s Ciena CIEN Stock Holding History

Cambridge Investment Research 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
2026
Q2 		$4.75M Buy
9,677
+2,586
+36% +$1.32M 0.01% 1065
2026
Q1 		$2.75M Sell
7,091
-1,802
-20% -$551K 0.01% 1351
2025
Q4 		$2.08M Buy
8,893
+5,180
+140% +$1M 0.01% 1486
2025
Q3 		$541K Buy
3,713
+604
+19% +$61.5K ﹤0.01% 2598
2025
Q2 		$253K Sell
3,109
-515
-14% -$36.9K ﹤0.01% 3122
2025
Q1 		$219K Buy
+3,624
New +$286K ﹤0.01% 3128
2023
Q4 		– Sell
-6,001
Closed -$284K – 3207
2023
Q3 		$284K Sell
6,001
-1,399
-19% -$61.7K ﹤0.01% 2531
2023
Q2 		$314K Buy
7,400
+302
+4% +$13.8K ﹤0.01% 2485
2023
Q1 		$373K Sell
7,098
-1,962
-22% -$97.9K ﹤0.01% 2293
2022
Q4 		$462K Sell
9,060
-10,352
-53% -$468K ﹤0.01% 2077
2022
Q3 		$785K Buy
19,412
+12,347
+175% +$593K ﹤0.01% 1638
2022
Q2 		$323K Sell
7,065
-432
-6% -$22.4K ﹤0.01% 2315
2022
Q1 		$455K Sell
7,497
-102
-1% -$6.68K ﹤0.01% 2187
2021
Q4 		$585K Sell
7,599
-2,252
-23% -$139K ﹤0.01% 1973
2021
Q3 		$506K Buy
9,851
+839
+9% +$46.6K ﹤0.01% 2043
2021
Q2 		$513K Sell
9,012
-672
-7% -$37K ﹤0.01% 2034
2021
Q1 		$530K Buy
9,684
+4,062
+72% +$219K ﹤0.01% 1867
2020
Q4 		$297K Buy
+5,622
New +$250K ﹤0.01% 2143
2020
Q1 		– Sell
-4,848
Closed -$207K – 2291
2019
Q4 		$207K Buy
+4,848
New +$185K ﹤0.01% 2186
2019
Q2 		– Sell
-8,891
Closed -$332K – 2225
2019
Q1 		$332K Buy
+8,891
New +$345K ﹤0.01% 1744
2018
Q2 		– Sell
-21,923
Closed -$568K – 2204
2018
Q1 		$568K Buy
+21,923
New +$516K 0.01% 1279
2017
Q3 		– Sell
-26,062
Closed -$652K – 2006
2017
Q2 		$652K Buy
26,062
+11,111
+74% +$266K 0.01% 1044
2017
Q1 		$353K Buy
+14,951
New +$367K 0.01% 1274

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 $3.38T AUM 44.17% 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

Cambridge Investment Research Advisors's CIEN Position: Q2 2026 in Review

Cambridge Investment Research Advisors increased its Ciena (CIEN) stake by 36% in Q2 2026, buying an estimated $1.32M and bringing the position to 9,677 shares worth $4.75M. The position accounts for 0.01% of the portfolio, ranked #1065.

Cambridge Investment Research Advisors first reported a position in CIEN in Q1 2017 and has held it in 23 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Cambridge Investment Research Advisors held 9,677 shares of Ciena worth $4.75M as of Q2 2026.
  • Cambridge Investment Research Advisors bought 2,586 Ciena shares in Q2 2026, an estimated $1.32M.
  • Ciena made up 0.01% of Cambridge Investment Research Advisors's portfolio in Q2 2026, its #1065 holding.
  • Cambridge Investment Research Advisors first reported a position in Ciena in Q1 2017 and has held it in 23 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Cambridge Investment Research Advisors's 13F filing for Q2 2026, filed 27 Jul 2026.