Massachusetts Financial Services
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Massachusetts Financial Services’s Ciena CIEN Stock Holding History

Massachusetts Financial Services’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 		$314M Buy
641,020
+58,352
+10% +$29.8M 0.1% 203
2026
Q1 		$226M Sell
582,668
-24,723
-4% -$7.56M 0.08% 228
2025
Q4 		$142M Buy
607,391
+445,769
+276% +$86.5M 0.05% 323
2025
Q3 		$23.5M Buy
+161,622
New +$16.5M 0.01% 610
2021
Q2 		– Sell
-11,140
Closed -$610K – 916
2021
Q1 		$610K Sell
11,140
-14,442
-56% -$777K ﹤0.01% 870
2020
Q4 		$1.35M Sell
25,582
-6,593
-20% -$293K ﹤0.01% 775
2020
Q3 		$1.28M Buy
+32,175
New +$1.69M ﹤0.01% 758

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

Massachusetts Financial Services's CIEN Position: Q2 2026 in Review

Massachusetts Financial Services increased its Ciena (CIEN) stake by 10% in Q2 2026, buying an estimated $29.8M and bringing the position to 641,020 shares worth $314M. The position accounts for 0.1% of the portfolio, ranked #203.

Massachusetts Financial Services first reported a position in CIEN in Q3 2020 and has held it in 7 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Massachusetts Financial Services held 641,020 shares of Ciena worth $314M as of Q2 2026.
  • Massachusetts Financial Services bought 58,352 Ciena shares in Q2 2026, an estimated $29.8M.
  • Ciena made up 0.1% of Massachusetts Financial Services's portfolio in Q2 2026, its #203 holding.
  • Massachusetts Financial Services first reported a position in Ciena in Q3 2020 and has held it in 7 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.