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LMR Partners’s Ciena CIEN Stock Holding History

LMR Partners’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 		$6.39M Sell
13,036
-38,205
-75% -$19.5M 0.02% 566
2026
Q1 		$19.9M Sell
51,241
-220,759
-81% -$67.5M 0.04% 214
2025
Q4 		$63.6M Buy
272,000
+165,500
+155% +$32.1M 0.12% 74
2025
Q3 		$15.5M Sell
106,500
-178,500
-63% -$18.2M 0.07% 222
2025
Q2 		$23.2M Buy
285,000
+210,000
+280% +$15.1M 0.17% 131
2025
Q1 		$4.53M Buy
75,000
+25,000
+50% +$1.98M 0.04% 440
2024
Q4 		$4.24M Sell
50,000
-229,853
-82% -$16.5M 0.04% 430
2024
Q3 		$17.2M Buy
+279,853
New +$14.7M 0.14% 131
2024
Q1 		– Sell
-275,000
Closed -$12.4M – 1172
2023
Q4 		$12.4M Buy
+275,000
New +$12.1M 0.14% 172
2023
Q1 		– Sell
-400,000
Closed -$20.4M – 1043
2022
Q4 		$20.4M Buy
+400,000
New +$18.1M 0.36% 69
2022
Q2 		– Sell
-48,804
Closed -$2.96M – 1307
2022
Q1 		$2.96M Sell
48,804
-51,196
-51% -$3.35M 0.03% 446
2021
Q4 		$7.7M Buy
+100,000
New +$6.17M 0.08% 190
2020
Q3 		– Sell
-9,475
Closed -$513K – 474
2020
Q2 		$513K Buy
+9,475
New +$471K 0.01% 416

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

LMR Partners's CIEN Position: Q2 2026 in Review

LMR Partners reduced its Ciena (CIEN) stake by 75% in Q2 2026, selling an estimated $19.5M and leaving 13,036 shares worth $6.39M. The position accounts for 0.02% of the portfolio, ranked #566.

LMR Partners first reported a position in CIEN in Q2 2020 and has held it in 13 quarters since. The position peaked at $63.6M in Q4 2025. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • LMR Partners held 13,036 shares of Ciena worth $6.39M as of Q2 2026.
  • LMR Partners sold 38,205 Ciena shares in Q2 2026, an estimated $19.5M.
  • Ciena made up 0.02% of LMR Partners's portfolio in Q2 2026, its #566 holding.
  • LMR Partners first reported a position in Ciena in Q2 2020 and has held it in 13 quarters since.
  • LMR Partners's Ciena position peaked at $63.6M in Q4 2025.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on LMR Partners's 13F filing for Q2 2026, filed 14 Aug 2026.