KLCM Advisors
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KLCM Advisors’s Ciena CIEN Stock Holding History

KLCM Advisors’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
Q3 		$912K Sell
2,592
-135
-5% -$52.1K 0.07% 133
2026
Q2 		$1.34M Sell
2,727
-58
-2% -$29.6K 0.11% 117
2026
Q1 		$1.08M Hold
2,785
– – 0.09% 119
2025
Q4 		$651K Sell
2,785
-525
-16% -$102K 0.06% 139
2025
Q3 		$482K Buy
+3,310
New +$337K 0.05% 117

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return

KLCM Advisors's CIEN Position: Q3 2026 in Review

KLCM Advisors reduced its Ciena (CIEN) stake by 5% in Q3 2026, selling an estimated $52.1K and leaving 2,592 shares worth $912K. The position accounts for 0.07% of the portfolio, ranked #133.

KLCM Advisors first reported a position in CIEN in Q3 2025 and has held it in 5 quarters since. The position peaked at $1.34M in Q2 2026. 927 funds tracked by Wall St. Rank hold CIEN as of Q3 2026.

  • KLCM Advisors held 2,592 shares of Ciena worth $912K as of Q3 2026.
  • KLCM Advisors sold 135 Ciena shares in Q3 2026, an estimated $52.1K.
  • Ciena made up 0.07% of KLCM Advisors's portfolio in Q3 2026, its #133 holding.
  • KLCM Advisors first reported a position in Ciena in Q3 2025 and has held it in 5 quarters since.
  • KLCM Advisors's Ciena position peaked at $1.34M in Q2 2026.
  • 927 funds tracked by Wall St. Rank held Ciena as of Q3 2026.

Based on KLCM Advisors's 13F filing for Q3 2026, filed 12 Nov 2026.