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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
Q2 		$1.37M Hold
2,800
– – 0.01% 140
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 $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

Mairs & Power Inc's CIEN Position: Q2 2026 in Review

Mairs & Power Inc held its Ciena (CIEN) position steady in Q2 2026 at 2,800 shares worth $1.37M. The position accounts for 0.01% of the portfolio, ranked #140.

Mairs & Power Inc first reported a position in CIEN in Q2 2025 and has held it in 5 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Mairs & Power Inc held 2,800 shares of Ciena worth $1.37M as of Q2 2026.
  • Mairs & Power Inc left its Ciena share count unchanged in Q2 2026.
  • Ciena made up 0.01% of Mairs & Power Inc's portfolio in Q2 2026, its #140 holding.
  • Mairs & Power Inc first reported a position in Ciena in Q2 2025 and has held it in 5 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Mairs & Power Inc's 13F filing for Q2 2026, filed 14 Aug 2026.