Quantitative Investment Management’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 | $2.12M | Buy |
+4,325
| New | +$2.21M | 0.23% | 117 |
|
|
2025
Q2 | – | Sell |
-22,797
| Closed | -$1.38M | – | 333 |
|
|
2025
Q1 | $1.38M | Buy |
+22,797
| New | +$1.8M | 0.13% | 152 |
|
|
2024
Q4 | – | Sell |
-7,059
| Closed | -$434K | – | 344 |
|
|
2024
Q3 | $434K | Buy |
+7,059
| New | +$372K | 0.04% | 253 |
|
|
2021
Q3 | – | Sell |
-6,073
| Closed | -$345K | – | 408 |
|
|
2021
Q2 | $345K | Sell |
6,073
-6,842
| -53% | -$377K | 0.03% | 320 |
|
|
2021
Q1 | $706K | Buy |
+12,915
| New | +$695K | 0.06% | 286 |
|
|
2020
Q3 | – | Sell |
-16,919
| Closed | -$916K | – | 424 |
|
|
2020
Q2 | $916K | Buy |
+16,919
| New | +$841K | 0.09% | 231 |
|
|
2020
Q1 | – | Sell |
-95,034
| Closed | -$4.06M | – | 551 |
|
|
2019
Q4 | $4.06M | Buy |
+95,034
| New | +$3.62M | 0.12% | 194 |
|
|
2019
Q3 | – | Sell |
-12,700
| Closed | -$522K | – | 607 |
|
|
2019
Q2 | $522K | Buy |
+12,700
| New | +$489K | 0.02% | 514 |
|
|
2019
Q1 | – | Sell |
-33,100
| Closed | -$1.12M | – | 671 |
|
|
2018
Q4 | $1.12M | Sell |
33,100
-41,800
| -56% | -$1.32M | 0.06% | 265 |
|
|
2018
Q3 | $2.34M | Buy |
74,900
+36,100
| +93% | +$1.01M | 0.08% | 174 |
|
|
2018
Q2 | $1.03M | Sell |
38,800
-217,800
| -85% | -$5.53M | 0.02% | 492 |
|
|
2018
Q1 | $6.64M | Buy |
+256,600
| New | +$6.04M | 0.12% | 219 |
|
|
2017
Q3 | – | Sell |
-283,400
| Closed | -$7.09M | – | 702 |
|
|
2017
Q2 | $7.09M | Buy |
+283,400
| New | +$6.79M | 0.11% | 246 |
|
|
2017
Q1 | – | Sell |
-118,300
| Closed | -$2.89M | – | 710 |
|
|
2016
Q4 | $2.89M | Buy |
+118,300
| New | +$2.58M | 0.07% | 396 |
|
|
2016
Q3 | – | Sell |
-158,300
| Closed | -$2.97M | – | 687 |
|
|
2016
Q2 | $2.97M | Buy |
158,300
+145,900
| +1,177% | +$2.64M | 0.14% | 221 |
|
|
2016
Q1 | $235K | Buy |
+12,400
| New | +$229K | 0.01% | 670 |
|
|
2015
Q4 | – | Sell |
-52,300
| Closed | -$1.08M | – | 703 |
|
|
2015
Q3 | $1.08M | Buy |
52,300
+9,700
| +23% | +$225K | 0.08% | 289 |
|
|
2015
Q2 | $1.01M | Buy |
+42,600
| New | +$973K | 0.15% | 131 |
|
|
2014
Q1 | – | Sell |
-27,200
| Closed | -$650K | – | 560 |
|
|
2013
Q4 | $650K | Sell |
27,200
-45,000
| -62% | -$1.07M | 0.06% | 276 |
|
|
2013
Q3 | $1.8M | Sell |
72,200
-15,700
| -18% | -$354K | 0.16% | 131 |
|
|
2013
Q2 | $1.71M | Buy |
+87,900
| New | +$1.46M | 0.3% | 64 |
|
Other funds holding CIEN
Quantitative Investment Management's CIEN Position: Q2 2026 in Review
Quantitative Investment Management opened a new position in Ciena (CIEN) in Q2 2026: 4,325 shares worth $2.12M. The stake represents 0.23% of the portfolio and ranks #117 among its holdings. This is a return to the name: Quantitative Investment Management previously reported a position in CIEN as recently as Q1 2025.
Quantitative Investment Management first reported a position in CIEN in Q2 2013 and has held it in 21 quarters since. The position peaked at $7.09M in Q2 2017. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.
- Quantitative Investment Management held 4,325 shares of Ciena worth $2.12M as of Q2 2026.
- Ciena was a new Quantitative Investment Management position in Q2 2026.
- Ciena made up 0.23% of Quantitative Investment Management's portfolio in Q2 2026, its #117 holding.
- Quantitative Investment Management first reported a position in Ciena in Q2 2013 and has held it in 21 quarters since.
- Quantitative Investment Management's Ciena position peaked at $7.09M in Q2 2017.
- 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.
Based on Quantitative Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.