Diamond Hill Capital Management
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Diamond Hill Capital Management’s Ciena CIEN Stock Holding History

Diamond Hill Capital Management’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 		– Sell
-58,545
Closed -$22.7M – 188
2026
Q1 		$22.7M Sell
58,545
-124,032
-68% -$37.9M 0.14% 102
2025
Q4 		$42.7M Sell
182,577
-430,284
-70% -$83.5M 0.22% 75
2025
Q3 		$89.3M Sell
612,861
-143,710
-19% -$14.6M 0.42% 56
2025
Q2 		$61.5M Sell
756,571
-66,510
-8% -$4.77M 0.28% 63
2025
Q1 		$49.7M Sell
823,081
-58,050
-7% -$4.59M 0.23% 71
2024
Q4 		$74.7M Sell
881,131
-854,828
-49% -$61.3M 0.33% 61
2024
Q3 		$107M Sell
1,735,959
-231,551
-12% -$12.2M 0.43% 56
2024
Q2 		$94.8M Sell
1,967,510
-17,139
-0.9% -$813K 0.41% 56
2024
Q1 		$98.1M Sell
1,984,649
-302,712
-13% -$16M 0.4% 60
2023
Q4 		$103M Sell
2,287,361
-14,268
-0.6% -$629K 0.45% 61
2023
Q3 		$109M Buy
2,301,629
+125,341
+6% +$5.52M 0.53% 61
2023
Q2 		$92.5M Buy
2,176,288
+604,677
+38% +$27.5M 0.42% 65
2023
Q1 		$82.5M Sell
1,571,611
-6,124
-0.4% -$306K 0.39% 66
2022
Q4 		$80.4M Buy
1,577,735
+47,953
+3% +$2.17M 0.37% 72
2022
Q3 		$61.8M Buy
+1,529,782
New +$73.5M 0.3% 74

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

Diamond Hill Capital Management's CIEN Position: Q2 2026 in Review

Diamond Hill Capital Management sold out of Ciena (CIEN) in Q2 2026, closing a stake of 58,545 shares — an estimated $22.7M sold.

Diamond Hill Capital Management first reported a position in CIEN in Q3 2022 and held it in 15 quarters. The position peaked at $109M in Q3 2023. 1,224 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Diamond Hill Capital Management reported no remaining Ciena position as of Q2 2026 after selling out during the quarter.
  • Diamond Hill Capital Management sold 58,545 Ciena shares in Q2 2026, an estimated $22.7M.
  • Diamond Hill Capital Management first reported a position in Ciena in Q3 2022 and held it in 15 quarters.
  • Diamond Hill Capital Management's Ciena position peaked at $109M in Q3 2023.
  • 1,224 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Diamond Hill Capital Management's 13F filing for Q2 2026, filed 6 Aug 2026.