CI Investments Inc’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$6.21M Sell
12,663
-115,980
-90% -$59.1M 0.02% 323
2026
Q1
$49.9M Sell
128,643
-43,634
-25% -$13.3M 0.24% 96
2025
Q4
$40.3M Sell
172,277
-130,166
-43% -$25.3M 0.18% 116
2025
Q3
$44.1M Buy
302,443
+301,948
+61,000% +$30.7M 0.16% 112
2025
Q2
$40K Sell
495
-71
-13% -$5.09K ﹤0.01% 1056
2025
Q1
$34K Sell
566
-37
-6% -$2.92K ﹤0.01% 1083
2024
Q4
$51K Buy
603
+126
+26% +$9.04K ﹤0.01% 1036
2024
Q3
$29K Buy
477
+211
+79% +$11.1K ﹤0.01% 1056
2024
Q2
$13K Sell
266
-20
-7% -$949 ﹤0.01% 1121
2024
Q1
$14K Buy
286
+59
+26% +$3.11K ﹤0.01% 1158
2023
Q4
$10K Buy
227
+2
+0.9% +$88 ﹤0.01% 1155
2023
Q3
$11K Buy
225
+17
+8% +$749 ﹤0.01% 1160
2023
Q2
$9K Buy
208
+200
+2,500% +$9.11K ﹤0.01% 1179
2023
Q1
$0 Hold
8
– – ﹤0.01% 1176
2022
Q4
$0 Hold
8
– – ﹤0.01% 1214
2022
Q3
$0 Hold
8
– – ﹤0.01% 1235
2022
Q2
$0 Sell
8
-1
-11% -$52 ﹤0.01% 1261
2022
Q1
$1K Hold
9
– – ﹤0.01% 1246
2021
Q4
$1K Hold
9
– – ﹤0.01% 1216
2021
Q3
$0 Buy
+9
New +$500 ﹤0.01% 1272
2014
Q4
– Sell
-109,600
Closed -$1.83M – 179
2014
Q3
$1.83M Buy
+109,600
New +$2.15M 0.02% 161
2014
Q2
– Sell
-98,100
Closed -$2.23M – 184
2014
Q1
$2.23M Buy
+98,100
New +$2.31M 0.02% 159
2013
Q4
– Sell
-86,100
Closed -$2.15M – 184
2013
Q3
$2.15M Hold
86,100
– – 0.02% 159
2013
Q2
$1.67M Buy
+86,100
New +$1.43M 0.02% 158

Other funds holding CIEN

CI Investments Inc's CIEN Position: Q2 2026 in Review

CI Investments Inc reduced its Ciena (CIEN) stake by 90% in Q2 2026, selling an estimated $59.1M and leaving 12,663 shares worth $6.21M. The position accounts for 0.02% of the portfolio, ranked #323.

CI Investments Inc first reported a position in CIEN in Q2 2013 and has held it in 24 quarters since. The position peaked at $49.9M in Q1 2026. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • CI Investments Inc held 12,663 shares of Ciena worth $6.21M as of Q2 2026.
  • CI Investments Inc sold 115,980 Ciena shares in Q2 2026, an estimated $59.1M.
  • Ciena made up 0.02% of CI Investments Inc's portfolio in Q2 2026, its #323 holding.
  • CI Investments Inc first reported a position in Ciena in Q2 2013 and has held it in 24 quarters since.
  • CI Investments Inc's Ciena position peaked at $49.9M in Q1 2026.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on CI Investments Inc's 13F filing for Q2 2026, filed 13 Aug 2026.