John Overdeck’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 | $4.66M | Buy |
9,500
+6,014
| +173% | +$3.07M | ﹤0.01% | 2212 |
|
|
2026
Q1 | $1.35M | Sell |
3,486
-17,615
| -83% | -$5.39M | ﹤0.01% | 3037 |
|
|
2025
Q4 | $4.93M | Hold |
21,101
| – | – | 0.01% | 1734 |
|
|
2025
Q3 | $3.07M | Sell |
21,101
-99,703
| -83% | -$10.2M | ﹤0.01% | 1833 |
|
|
2025
Q2 | $9.82M | Sell |
120,804
-344,260
| -74% | -$24.7M | 0.02% | 825 |
|
|
2025
Q1 | $28.1M | Buy |
465,064
+422,667
| +997% | +$33.4M | 0.06% | 378 |
|
|
2024
Q4 | $3.6M | Sell |
42,397
-14,803
| -26% | -$1.06M | 0.01% | 1315 |
|
|
2024
Q3 | $3.52M | Sell |
57,200
-56,603
| -50% | -$2.98M | 0.01% | 1282 |
|
|
2024
Q2 | $5.48M | Buy |
113,803
+88,003
| +341% | +$4.18M | 0.01% | 967 |
|
|
2024
Q1 | $1.28M | Sell |
25,800
-370,748
| -93% | -$19.6M | ﹤0.01% | 1786 |
|
|
2023
Q4 | $17.8M | Buy |
396,548
+271,523
| +217% | +$12M | 0.04% | 454 |
|
|
2023
Q3 | $5.91M | Buy |
125,025
+106,325
| +569% | +$4.69M | 0.02% | 814 |
|
|
2023
Q2 | $795K | Buy |
18,700
+10,200
| +120% | +$465K | ﹤0.01% | 2081 |
|
|
2023
Q1 | $446K | Sell |
8,500
-13
| -0.2% | -$649 | ﹤0.01% | 2250 |
|
|
2022
Q4 | $434K | Buy |
+8,513
| New | +$385K | ﹤0.01% | 2086 |
|
|
2020
Q3 | – | Sell |
-411,864
| Closed | -$21.7M | – | 3134 |
|
|
2020
Q2 | $22.3M | Buy |
411,864
+174,965
| +74% | +$8.7M | 0.11% | 197 |
|
|
2020
Q1 | $9.43M | Sell |
236,899
-395,546
| -63% | -$16.2M | 0.08% | 277 |
|
|
2019
Q4 | $27M | Buy |
632,445
+525,334
| +490% | +$20M | 0.08% | 287 |
|
|
2019
Q3 | $4.2M | Sell |
107,111
-240,611
| -69% | -$10.1M | 0.01% | 959 |
|
|
2019
Q2 | $14.3M | Buy |
+347,722
| New | +$13.4M | 0.05% | 444 |
|
|
2019
Q1 | – | Sell |
-94,429
| Closed | -$3.2M | – | 3064 |
|
|
2018
Q4 | $3.2M | Sell |
94,429
-205,212
| -68% | -$6.5M | 0.01% | 1010 |
|
|
2018
Q3 | $9.36M | Buy |
+299,641
| New | +$8.4M | 0.03% | 664 |
|
|
2018
Q2 | – | Sell |
-22,584
| Closed | -$574K | – | 3348 |
|
|
2018
Q1 | $585K | Buy |
+22,584
| New | +$531K | ﹤0.01% | 2375 |
|
|
2017
Q1 | – | Sell |
-376,033
| Closed | -$9.22M | – | 2942 |
|
|
2016
Q4 | $9.18M | Buy |
376,033
+356,184
| +1,794% | +$7.78M | 0.04% | 561 |
|
|
2016
Q3 | $433K | Sell |
19,849
-514,398
| -96% | -$10.7M | ﹤0.01% | 2525 |
|
|
2016
Q2 | $10M | Buy |
+534,247
| New | +$9.67M | 0.04% | 476 |
|
|
2015
Q4 | – | Sell |
-13,256
| Closed | -$275K | – | 2688 |
|
|
2015
Q3 | $275K | Sell |
13,256
-11,237
| -46% | -$261K | ﹤0.01% | 1824 |
|
|
2015
Q2 | $580K | Buy |
+24,493
| New | +$559K | ﹤0.01% | 2022 |
|
|
2013
Q4 | – | Sell |
-777,452
| Closed | -$19.4M | – | 2194 |
|
|
2013
Q3 | $19.4M | Buy |
777,452
+337,617
| +77% | +$7.61M | 0.12% | 209 |
|
|
2013
Q2 | $8.54M | Buy |
+439,835
| New | +$7.32M | 0.06% | 384 |
|
Other funds holding CIEN
John Overdeck's CIEN Position: Q2 2026 in Review
John Overdeck increased its Ciena (CIEN) stake by 173% in Q2 2026, buying an estimated $3.07M and bringing the position to 9,500 shares worth $4.66M. The position accounts for ﹤0.01% of the portfolio, ranked #2212.
John Overdeck first reported a position in CIEN in Q2 2013 and has held it in 30 quarters since. The position peaked at $28.1M in Q1 2025. 1,217 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.
- John Overdeck held 9,500 shares of Ciena worth $4.66M as of Q2 2026.
- John Overdeck bought 6,014 Ciena shares in Q2 2026, an estimated $3.07M.
- Ciena made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2212 holding.
- John Overdeck first reported a position in Ciena in Q2 2013 and has held it in 30 quarters since.
- John Overdeck's Ciena position peaked at $28.1M in Q1 2025.
- 1,217 funds tracked by Wall St. Rank held Ciena as of Q2 2026.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.