SG Americas Securities
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SG Americas Securities’s Ciena CIEN Stock Holding History

SG Americas Securities’s Portfolio CIEN Stock Details CIEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$231M Buy
470,046
+279,097
+146% +$142M 0.13% 112
2026
Q1 		$74.1M Buy
190,949
+113,744
+147% +$34.8M 0.08% 197
2025
Q4 		$18.1M Buy
+77,205
New +$15M 0.02% 540
2025
Q3 		– Sell
-9,946
Closed -$809K – 3403
2025
Q2 		$809K Buy
9,946
+355
+4% +$25.5K ﹤0.01% 1315
2025
Q1 		$580K Buy
9,591
+6,116
+176% +$483K ﹤0.01% 1648
2024
Q4 		$295K Buy
3,475
+75
+2% +$5.38K ﹤0.01% 1812
2024
Q3 		$209K Sell
3,400
-41,454
-92% -$2.18M ﹤0.01% 2457
2024
Q2 		$2.16M Buy
44,854
+41,326
+1,171% +$1.96M 0.01% 913
2024
Q1 		$174K Sell
3,528
-15,001
-81% -$791K ﹤0.01% 2085
2023
Q4 		$834K Buy
18,529
+9,542
+106% +$421K 0.01% 1134
2023
Q3 		$425K Buy
8,987
+5,615
+167% +$248K ﹤0.01% 1883
2023
Q2 		$143K Sell
3,372
-25,954
-89% -$1.18M ﹤0.01% 1934
2023
Q1 		$1.54M Buy
29,326
+14,322
+95% +$715K 0.02% 828
2022
Q4 		$765K Buy
15,004
+3,971
+36% +$180K 0.01% 1159
2022
Q3 		$446K Sell
11,033
-109
-1% -$5.24K 0.01% 1647
2022
Q2 		$509K Sell
11,142
-9,122
-45% -$473K 0.01% 1943
2022
Q1 		$1.23M Buy
20,264
+1,702
+9% +$111K 0.01% 1273
2021
Q4 		$1.43M Buy
18,562
+15,616
+530% +$964K 0.01% 1363
2021
Q3 		$151K Sell
2,946
-73,329
-96% -$4.07M ﹤0.01% 3432
2021
Q2 		$4.34M Buy
76,275
+48,627
+176% +$2.68M 0.02% 660
2021
Q1 		$1.51M Buy
27,648
+4,689
+20% +$252K 0.01% 1243
2020
Q4 		$1.21M Sell
22,959
-8,063
-26% -$358K 0.01% 1430
2020
Q3 		$1.23M Sell
31,022
-20,297
-40% -$1.07M 0.01% 1059
2020
Q2 		$2.78M Buy
51,319
+23,518
+85% +$1.17M 0.02% 634
2020
Q1 		$1.11M Buy
27,801
+10,142
+57% +$416K 0.01% 1217
2019
Q4 		$754K Buy
17,659
+11,228
+175% +$428K 0.01% 1469
2019
Q3 		$252K Sell
6,431
-9,123
-59% -$382K ﹤0.01% 2245
2019
Q2 		$640K Buy
15,554
+3,519
+29% +$135K ﹤0.01% 1727
2019
Q1 		$449K Sell
12,035
-20,622
-63% -$801K ﹤0.01% 1931
2018
Q4 		$1.11M Sell
32,657
-247,097
-88% -$7.83M 0.01% 1250
2018
Q3 		$8.74M Buy
279,754
+253,669
+972% +$7.11M 0.06% 309
2018
Q2 		$692K Sell
26,085
-250,242
-91% -$6.36M 0.01% 1758
2018
Q1 		$7.16M Buy
276,327
+213,812
+342% +$5.03M 0.06% 281
2017
Q4 		$1.31M Sell
62,515
-49,489
-44% -$1.05M 0.01% 1172
2017
Q3 		$2.46M Buy
112,004
+100,922
+911% +$2.42M 0.02% 681
2017
Q2 		$277K Sell
11,082
-26,476
-70% -$634K ﹤0.01% 2211
2017
Q1 		$887K Buy
37,558
+25,936
+223% +$636K 0.01% 1458
2016
Q4 		$284K Sell
11,622
-11,688
-50% -$255K ﹤0.01% 2079
2016
Q3 		$508K Sell
23,310
-13,581
-37% -$283K 0.01% 1689
2016
Q2 		$692K Sell
36,891
-52,086
-59% -$943K ﹤0.01% 1530
2016
Q1 		$1.69M Sell
88,977
-364,838
-80% -$6.74M 0.01% 968
2015
Q4 		$9.39M Buy
453,815
+401,064
+760% +$9.21M 0.07% 233
2015
Q3 		$1.09M Buy
52,751
+11,091
+27% +$258K 0.01% 807
2015
Q2 		$987K Buy
+41,660
New +$952K 0.01% 1083
2015
Q1 		– Sell
-11,483
Closed -$223K – 2585
2014
Q4 		$223K Buy
+11,483
New +$192K ﹤0.01% 2332
2014
Q3 		– Sell
-49,432
Closed -$1.07M – 2654
2014
Q2 		$1.07M Buy
49,432
+41,303
+508% +$849K 0.01% 1320
2014
Q1 		$185K Sell
8,129
-2,344
-22% -$55.1K ﹤0.01% 1960
2013
Q4 		$251K Sell
10,473
-65,633
-86% -$1.56M ﹤0.01% 1943
2013
Q3 		$1.9M Buy
76,106
+70,217
+1,192% +$1.58M 0.01% 962
2013
Q2 		$114K Buy
+5,889
New +$98K ﹤0.01% 2034

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

SG Americas Securities's CIEN Position: Q2 2026 in Review

SG Americas Securities increased its Ciena (CIEN) stake by 146% in Q2 2026, buying an estimated $142M and bringing the position to 470,046 shares worth $231M. The position accounts for 0.13% of the portfolio, ranked #112.

SG Americas Securities first reported a position in CIEN in Q2 2013 and has held it in 50 quarters since. 1,217 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • SG Americas Securities held 470,046 shares of Ciena worth $231M as of Q2 2026.
  • SG Americas Securities bought 279,097 Ciena shares in Q2 2026, an estimated $142M.
  • Ciena made up 0.13% of SG Americas Securities's portfolio in Q2 2026, its #112 holding.
  • SG Americas Securities first reported a position in Ciena in Q2 2013 and has held it in 50 quarters since.
  • 1,217 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on SG Americas Securities's 13F filing for Q2 2026, filed 7 Aug 2026.