Kovitz Investment Group Partners
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Kovitz Investment Group Partners’s Ciena CIEN Stock Holding History

Kovitz Investment Group 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 		$35.1M Buy
71,553
+70,636
+7,703% +$36M 0.78% 30
2026
Q1 		$356K Buy
+917
New +$280K 0.01% 433
2025
Q4 		– Sell
-30,221
Closed -$4.4M – 600
2025
Q3 		$4.4M Sell
30,221
-1,347
-4% -$137K 0.02% 488
2025
Q2 		$2.57M Sell
31,568
-10,143
-24% -$728K 0.01% 576
2025
Q1 		$2.52M Sell
41,711
-407,189
-91% -$32.2M 0.01% 538
2024
Q4 		$38.1M Buy
+448,900
New +$32.2M 0.19% 108

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

Kovitz Investment Group Partners's CIEN Position: Q2 2026 in Review

Kovitz Investment Group Partners increased its Ciena (CIEN) stake by 7,703% in Q2 2026, buying an estimated $36M and bringing the position to 71,553 shares worth $35.1M. The position accounts for 0.78% of the portfolio, ranked #30.

Kovitz Investment Group Partners first reported a position in CIEN in Q4 2024 and has held it in 6 quarters since. The position peaked at $38.1M in Q4 2024. 1,224 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Kovitz Investment Group Partners held 71,553 shares of Ciena worth $35.1M as of Q2 2026.
  • Kovitz Investment Group Partners bought 70,636 Ciena shares in Q2 2026, an estimated $36M.
  • Ciena made up 0.78% of Kovitz Investment Group Partners's portfolio in Q2 2026, its #30 holding.
  • Kovitz Investment Group Partners first reported a position in Ciena in Q4 2024 and has held it in 6 quarters since.
  • Kovitz Investment Group Partners's Ciena position peaked at $38.1M in Q4 2024.
  • 1,224 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Kovitz Investment Group Partners's 13F filing for Q2 2026, filed 12 Aug 2026.