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Cornerstone Investment Partners’s Ciena CIEN Stock Holding History

Cornerstone Investment Partners’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
-5,239
Closed -$2.03M – 322
2026
Q1 		$2.03M Sell
5,239
-974
-16% -$298K 0.09% 37
2025
Q4 		$1.45M Sell
6,213
-106
-2% -$20.6K 0.06% 39
2025
Q3 		$920K Sell
6,319
-2,885
-31% -$294K 0.04% 45
2025
Q2 		$749K Sell
9,204
-101
-1% -$7.25K 0.03% 46
2025
Q1 		$562K Sell
9,305
-3,668
-28% -$290K 0.03% 57
2024
Q4 		$1.1M Buy
12,973
+597
+5% +$42.8K 0.05% 36
2024
Q3 		$762K Buy
12,376
+244
+2% +$12.9K 0.04% 45
2024
Q2 		$585K Buy
12,132
+149
+1% +$7.07K 0.03% 67
2024
Q1 		$593K Buy
11,983
+991
+9% +$52.3K 0.03% 69
2023
Q4 		$495K Sell
10,992
-311
-3% -$13.7K 0.03% 80
2023
Q3 		$534K Sell
11,303
-69
-0.6% -$3.04K 0.03% 66
2023
Q2 		$483K Buy
11,372
+972
+9% +$44.3K 0.03% 71
2023
Q1 		$546K Sell
10,400
-134
-1% -$6.69K 0.04% 67
2022
Q4 		$537K Buy
10,534
+134
+1% +$6.06K 0.03% 65
2022
Q3 		$420K Buy
10,400
+36
+0.3% +$1.73K 0.03% 70
2022
Q2 		$474K Buy
10,364
+1,819
+21% +$94.3K 0.03% 67
2022
Q1 		$518K Sell
8,545
-239
-3% -$15.6K 0.03% 69
2021
Q4 		$676K Buy
8,784
+3,627
+70% +$224K 0.04% 61
2021
Q3 		$265K Buy
+5,157
New +$286K 0.02% 121

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

Cornerstone Investment Partners's CIEN Position: Q2 2026 in Review

Cornerstone Investment Partners sold out of Ciena (CIEN) in Q2 2026, closing a stake of 5,239 shares — an estimated $2.03M sold.

Cornerstone Investment Partners first reported a position in CIEN in Q3 2021 and held it in 19 quarters. The position peaked at $2.03M in Q1 2026. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Cornerstone Investment Partners reported no remaining Ciena position as of Q2 2026 after selling out during the quarter.
  • Cornerstone Investment Partners sold 5,239 Ciena shares in Q2 2026, an estimated $2.03M.
  • Cornerstone Investment Partners first reported a position in Ciena in Q3 2021 and held it in 19 quarters.
  • Cornerstone Investment Partners's Ciena position peaked at $2.03M in Q1 2026.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Cornerstone Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.