Sumitomo Mitsui Trust Group
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Sumitomo Mitsui Trust Group’s Ciena CIEN Stock Holding History

Sumitomo Mitsui Trust Group’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 		$175M Buy
357,440
+35,615
+11% +$18.2M 0.1% 188
2026
Q1 		$125M Buy
321,825
+31,098
+11% +$9.51M 0.08% 235
2025
Q4 		$68M Buy
290,727
+269,644
+1,279% +$52.3M 0.04% 373
2025
Q3 		$3.07M Buy
+21,083
New +$2.15M ﹤0.01% 766
2022
Q4 		– Sell
-156,912
Closed -$6.34M – 1194
2022
Q3 		$6.34M Sell
156,912
-8,224
-5% -$395K 0.01% 832
2022
Q2 		$7.55M Sell
165,136
-73,965
-31% -$3.83M 0.01% 831
2022
Q1 		$14.5M Sell
239,101
-12,788
-5% -$837K 0.01% 762
2021
Q4 		$19.4M Buy
251,889
+1,384
+0.6% +$85.4K 0.01% 717
2021
Q3 		$12.9M Sell
250,505
-15,569
-6% -$865K 0.01% 751
2021
Q2 		$15.1M Buy
266,074
+74,014
+39% +$4.08M 0.01% 753
2021
Q1 		$10.5M Buy
+192,060
New +$10.3M 0.01% 776
2020
Q4 		– Sell
-60,164
Closed -$2.39M – 1127
2020
Q3 		$2.39M Sell
60,164
-251
-0.4% -$13.2K ﹤0.01% 872
2020
Q2 		$3.27M Buy
+60,415
New +$3M ﹤0.01% 832
2019
Q4 		– Sell
-9,825
Closed -$385K – 1090
2019
Q3 		$385K Sell
9,825
-2,554
-21% -$107K ﹤0.01% 1014
2019
Q2 		$509K Buy
+12,379
New +$476K ﹤0.01% 929

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

Sumitomo Mitsui Trust Group's CIEN Position: Q2 2026 in Review

Sumitomo Mitsui Trust Group increased its Ciena (CIEN) stake by 11% in Q2 2026, buying an estimated $18.2M and bringing the position to 357,440 shares worth $175M. The position accounts for 0.1% of the portfolio, ranked #188.

Sumitomo Mitsui Trust Group first reported a position in CIEN in Q2 2019 and has held it in 15 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Sumitomo Mitsui Trust Group held 357,440 shares of Ciena worth $175M as of Q2 2026.
  • Sumitomo Mitsui Trust Group bought 35,615 Ciena shares in Q2 2026, an estimated $18.2M.
  • Ciena made up 0.1% of Sumitomo Mitsui Trust Group's portfolio in Q2 2026, its #188 holding.
  • Sumitomo Mitsui Trust Group first reported a position in Ciena in Q2 2019 and has held it in 15 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q2 2026, filed 30 Jul 2026.