Parallax Volatility Advisers’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 | – | Sell |
-1,187
| Closed | -$605K | – | 1546 |
|
|
2026
Q1 | $461K | Buy |
+1,187
| New | +$363K | ﹤0.01% | 1073 |
|
|
2021
Q4 | – | Sell |
-11,538
| Closed | -$712K | – | 3057 |
|
|
2021
Q3 | $592K | Buy |
+11,538
| New | +$641K | ﹤0.01% | 2182 |
|
|
2021
Q2 | – | Sell |
-2,301
| Closed | -$127K | – | 3067 |
|
|
2021
Q1 | $126K | Sell |
2,301
-11,320
| -83% | -$609K | ﹤0.01% | 2792 |
|
|
2020
Q4 | $720K | Sell |
13,621
-28,016
| -67% | -$1.24M | ﹤0.01% | 2330 |
|
|
2020
Q3 | $1.65M | Buy |
41,637
+41,041
| +6,886% | +$2.16M | ﹤0.01% | 1778 |
|
|
2020
Q2 | $32K | Sell |
596
-20,407
| -97% | -$1.01M | ﹤0.01% | 2543 |
|
|
2020
Q1 | $836K | Buy |
21,003
+15,017
| +251% | +$616K | ﹤0.01% | 1545 |
|
|
2019
Q4 | $256K | Sell |
5,986
-19,450
| -76% | -$741K | ﹤0.01% | 1945 |
|
|
2019
Q3 | $998K | Buy |
25,436
+21,037
| +478% | +$882K | ﹤0.01% | 1376 |
|
|
2019
Q2 | $181K | Sell |
4,399
-2,911
| -40% | -$112K | ﹤0.01% | 1750 |
|
|
2019
Q1 | $273K | Buy |
7,310
+4,954
| +210% | +$192K | ﹤0.01% | 1767 |
|
|
2018
Q4 | $80K | Buy |
+2,356
| New | +$74.7K | ﹤0.01% | 1997 |
|
|
2018
Q2 | – | Sell |
-5,789
| Closed | -$150K | – | 2197 |
|
|
2018
Q1 | $150K | Sell |
5,789
-54,430
| -90% | -$1.28M | ﹤0.01% | 1300 |
|
|
2017
Q4 | $1.26M | Buy |
60,219
+37,581
| +166% | +$797K | ﹤0.01% | 1099 |
|
|
2017
Q3 | $497K | Sell |
22,638
-112,841
| -83% | -$2.7M | ﹤0.01% | 1256 |
|
|
2017
Q2 | $3.39M | Buy |
+135,479
| New | +$3.25M | 0.01% | 682 |
|
|
2016
Q4 | – | Sell |
-38,333
| Closed | -$837K | – | 3116 |
|
|
2016
Q3 | $836K | Sell |
38,333
-26,935
| -41% | -$562K | ﹤0.01% | 1315 |
|
|
2016
Q2 | $1.22M | Buy |
65,268
+30,646
| +89% | +$555K | ﹤0.01% | 1115 |
|
|
2016
Q1 | $659K | Sell |
34,622
-36,986
| -52% | -$683K | ﹤0.01% | 1346 |
|
|
2015
Q4 | $1.48M | Buy |
71,608
+69,166
| +2,832% | +$1.59M | ﹤0.01% | 1117 |
|
|
2015
Q3 | $51K | Sell |
2,442
-45,644
| -95% | -$1.06M | ﹤0.01% | 2171 |
|
|
2015
Q2 | $1.14M | Buy |
48,086
+41,308
| +609% | +$943K | ﹤0.01% | 1294 |
|
|
2015
Q1 | $131K | Buy |
6,778
+3,809
| +128% | +$75.9K | ﹤0.01% | 2338 |
|
|
2014
Q4 | $58K | Buy |
+2,969
| New | +$49.6K | ﹤0.01% | 3859 |
|
|
2014
Q2 | – | Sell |
-2,843
| Closed | -$58.4K | – | 4064 |
|
|
2014
Q1 | $65K | Buy |
+2,843
| New | +$66.9K | ﹤0.01% | 2133 |
|
|
2013
Q4 | – | Sell |
-544
| Closed | -$13K | – | 3356 |
|
|
2013
Q3 | $14K | Buy |
+544
| New | +$12.3K | ﹤0.01% | 2446 |
|
Other funds holding CIEN
Parallax Volatility Advisers's CIEN Position: Q2 2026 in Review
Parallax Volatility Advisers sold out of Ciena (CIEN) in Q2 2026, closing a stake of 1,187 shares — an estimated $605K sold.
Parallax Volatility Advisers first reported a position in CIEN in Q3 2013 and held it in 26 quarters. The position peaked at $3.39M in Q2 2017. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.
- Parallax Volatility Advisers reported no remaining Ciena position as of Q2 2026 after selling out during the quarter.
- Parallax Volatility Advisers sold 1,187 Ciena shares in Q2 2026, an estimated $605K.
- Parallax Volatility Advisers first reported a position in Ciena in Q3 2013 and held it in 26 quarters.
- Parallax Volatility Advisers's Ciena position peaked at $3.39M in Q2 2017.
- 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.
Based on Parallax Volatility Advisers's 13F filing for Q2 2026, filed 14 Aug 2026.