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Mairs & Power Inc’s Ciena CIEN Stock Holding History

Mairs & Power Inc’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
Q1 		$1.09M Sell
2,800
-200
-7% -$61.2K 0.01% 147
2025
Q4 		$702K Hold
3,000
– – 0.01% 169
2025
Q3 		$437K Sell
3,000
-1,000
-25% -$102K ﹤0.01% 183
2025
Q2 		$325K Buy
+4,000
New +$287K ﹤0.01% 190

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Mairs & Power Inc's CIEN Position: Q1 2026 in Review

Mairs & Power Inc reduced its Ciena (CIEN) stake by 6.7% in Q1 2026, selling an estimated $61.2K and leaving 2,800 shares worth $1.09M. The position accounts for 0.01% of the portfolio, ranked #147.

Mairs & Power Inc first reported a position in CIEN in Q2 2025 and has held it in 4 quarters since. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Mairs & Power Inc held 2,800 shares of Ciena worth $1.09M as of Q1 2026.
  • Mairs & Power Inc sold 200 Ciena shares in Q1 2026, an estimated $61.2K.
  • Ciena made up 0.01% of Mairs & Power Inc's portfolio in Q1 2026, its #147 holding.
  • Mairs & Power Inc first reported a position in Ciena in Q2 2025 and has held it in 4 quarters since.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Mairs & Power Inc's 13F filing for Q1 2026, filed 14 May 2026.