CIEN Stock Ownership Activity

CIENA CORP 13F holders

1 value investing guru has made changes to the CIENA CORP (CIEN) position according to the gurus' latest SEC quarterly report(s). CIEN has been bought (as a new position) by 1 guru(s)

Which gurus or hedge funds are buying CIEN now?

According to the latest SEC filing(s) CIENA CORP (CIEN) has been bought by Stephen Mandel - Lone Pine Capital (new buy).

To see more about who is investing in CIENA CORP (CIEN), please go to the CIEN ownership page.

2026 Q1 (1 result)
Stephen Mandel
buy
+809,522
+2.51%
2.51%
Current price: $620.37 59.79% Reported price*: $388.23
2025 Q4 (1 result)
Stephen Mandel
-100.00%
-2,006,662
-2.15%
0.00%
Current price: $620.37 325.87% Reported price*: $145.67
2025 Q3 (1 result)
Stephen Mandel
buy
+2,006,662
+2.13%
0.00%
Current price: $620.37 325.87% Reported price*: $145.67
2024 Q2 (1 result)
Francois Rochon
-100.00%
-661
-0.00%
0.00%
Current price: $620.37 1,154.56% Reported price*: $49.45
2024 Q1 (1 result)
Francois Rochon
-99.89%
-625,275
-0.49%
0.00%
Current price: $620.37 1,154.56% Reported price*: $49.45
2023 Q4 (1 result)
Francois Rochon
-1.50%
-9,527
-0.01%
0.86%
Current price: $620.37 1,278.29% Reported price*: $45.01
2023 Q3 (1 result)
Francois Rochon
-9.68%
-68,069
-0.17%
1.63%
Current price: $620.37 1,212.67% Reported price*: $47.26
2023 Q2 (1 result)
Francois Rochon
+5.53%
+36,856
+0.08%
1.57%
Current price: $620.37 1,360.04% Reported price*: $42.49
2023 Q1 (1 result)
Francois Rochon
-2.05%
-13,981
-0.04%
2.11%
Current price: $620.37 1,081.21% Reported price*: $52.52
2022 Q4 (1 result)
Francois Rochon
-0.24%
-1,629
-0.01%
2.15%
Current price: $620.37 1,116.89% Reported price*: $50.98
2022 Q3 (1 result)
Francois Rochon
+1.15%
+7,769
+0.02%
1.87%
Current price: $620.37 1,434.42% Reported price*: $40.43
2022 Q2 (1 result)
Francois Rochon
+4.42%
+28,546
+0.09%
2.03%
Current price: $620.37 1,257.50% Reported price*: $45.70
2022 Q1 (1 result)
Francois Rochon
+93.99%
+312,987
+1.07%
2.21%
Current price: $620.37 923.21% Reported price*: $60.63
2021 Q4 (1 result)
Francois Rochon
buy
+332,984
+1.37%
1.37%
Current price: $620.37 705.98% Reported price*: $76.97
14 of 14

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.