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Diametric Capital’s Ciena CIEN Stock Holding History

Diametric Capital’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 		$1.12M Buy
+2,284
New +$1.16M 0.12% 197
2020
Q2 		– Sell
-21,482
Closed -$855K – 165
2020
Q1 		$855K Buy
+21,482
New +$881K 1.04% 38
2019
Q3 		– Sell
-5,211
Closed -$214K – 105
2019
Q2 		$214K Buy
+5,211
New +$201K 0.14% 104
2018
Q4 		– Sell
-19,900
Closed -$622K – 106
2018
Q3 		$622K Buy
+19,900
New +$558K 0.54% 64

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

Diametric Capital's CIEN Position: Q2 2026 in Review

Diametric Capital opened a new position in Ciena (CIEN) in Q2 2026: 2,284 shares worth $1.12M. The stake represents 0.12% of the portfolio and ranks #197 among its holdings. This is a return to the name: Diametric Capital previously reported a position in CIEN as recently as Q1 2020.

Diametric Capital first reported a position in CIEN in Q3 2018 and has held it in 4 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Diametric Capital held 2,284 shares of Ciena worth $1.12M as of Q2 2026.
  • Ciena was a new Diametric Capital position in Q2 2026.
  • Ciena made up 0.12% of Diametric Capital's portfolio in Q2 2026, its #197 holding.
  • Diametric Capital first reported a position in Ciena in Q3 2018 and has held it in 4 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Diametric Capital's 13F filing for Q2 2026, filed 14 Aug 2026.