Ciena Ownership | Who Owns Ciena?


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Ciena Ownership Summary


Ciena is owned by 65.32% institutional investors, 0.66% insiders, and 34.02% retail investors. Fmr is the largest institutional shareholder, holding 14.92% of CIEN shares. Fidelity Growth Compy Commingled Pl S is the top mutual fund, with 6.39% of its assets in Ciena shares.

CIEN Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockCiena65.32%0.66%34.02%
SectorTechnology Stocks 35.41%13.11%51.48%
Idea5G Stocks List46.02%7.90%46.08%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Fmr21.16M14.92%$3.08B
Blackrock funding, inc. /de16.67M11.72%$3.90B
Blackrock15.61M10.77%$752.08M
Vanguard group14.38M10.11%$3.36B
Elyxium wealth11.75M8.26%$11.78M
Jpmorgan chase10.86M7.64%$2.54B
State street4.35M3.07%$634.00M
Geode capital management2.69M1.89%$627.57M
Price t rowe associates inc /md/2.65M1.87%$385.66M
Bnp paribas asset management2.51M1.77%$365.07M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Fenghe fund management pte.660.99K8.70%$154.59M
Amanah trust200.00K8.55%$77.65M
North growth management325.00K8.24%$47.35M
Anatole investment management523.69K7.98%$76.29M
Foursixthree capital lp198.50K7.95%$28.92M
Thorntree capital partners lp339.14K7.56%$49.40M
12th street asset management company179.58K6.92%$42.00M
Amitell capital pte22.35K5.84%$5.23M
Titan global capital management usa167.57K5.61%$39.19M
Analog century management lp717.74K5.61%$104.55M

Top Buyers

HolderShares% AssetsChange
Elyxium wealth11.75M3.27%11.75M
Jpmorgan chase10.86M0.16%4.40M
Price t rowe associates inc /md/2.65M0.04%2.39M
Lone pine capital2.01M2.13%2.01M
Arrowstreet capital, limited partnership1.14M0.11%1.09M

Top Sellers

HolderShares% AssetsChange
Slate path capital lp---2.18M
Point72 asset management581.02K0.14%-2.17M
Barrow hanley mewhinney & strauss474.98K0.37%-1.68M
William blair investment management1.10M0.72%-1.34M
Ion asset management211.92K3.39%-999.34K

New Positions

HolderShares% AssetsChangeValue
Elyxium wealth11.75M3.27%11.75M$11.78M
Lone pine capital2.01M2.13%2.01M$292.31M
Norges bank811.95K0.02%811.95K$189.89M
Munro partners556.93K2.20%556.93K$81.13M
Anatole investment management523.69K7.98%523.69K$76.29M

Sold Out

HolderChange
Fairman group-1.00
New millennium group-1.00
Tfo-tdc-2.00
Mendota financial group-2.00
Hhm wealth advisors-3.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2025602-16.27%92,892,719-33.26%650.68%339-5.57%190-27.20%
Sep 30, 202569019.17%138,609,2541.30%971.06%34713.77%24943.93%
Jun 30, 20255881.20%140,305,9213.37%981.09%3088.07%176-8.33%
Mar 31, 202516-97.12%1,999,114-98.57%10.01%7-97.69%5-96.97%
Dec 31, 2024403-16.91%107,791,137-24.11%740.77%219-4.78%121-22.93%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Fidelity Growth Compy Commingled Pl S9.04M6.39%100.33K
Fidelity Growth Company Fund6.83M4.83%423.41K
iShares Core S&P Mid-Cap ETF4.63M3.28%-
Vanguard US Total Market Shares ETF4.57M3.21%3.85K
Vanguard Total Stock Mkt Idx Inv4.46M3.16%18.95K
Fidelity Growth Compy Commingled Pl O4.10M2.84%15.49K
Vanguard 500 Index Investor3.63M2.56%3.63M
JPMorgan Large Cap Growth I3.33M2.35%-
Vanguard Small Cap Index3.20M2.27%8.31K
JPM US Large Cap Growth-MA2.90M2.05%2.90M

Recent Insider Transactions


DateNameRoleActivityValue
Apr 15, 2026DiPerna Dino SVP Global R&DSell$710.99K
Apr 15, 2026DiPerna Dino SVP Global R&DSell$623.71K
Apr 01, 2026Phipps Jason SVP Global Sales and MarketingSell$850.65K
Apr 01, 2026Phipps Jason SVP Global Sales and MarketingSell$696.74K
Apr 01, 2026Phipps Jason SVP Global Sales and MarketingSell$201.41K

Insider Transactions Trends


DateBuySell
2026 Q2-19
2026 Q1-18
2025 Q4-19
2025 Q3-18
2025 Q2-16

CIEN Ownership FAQ


Who owns the most shares of Ciena?

Ciena’s largest shareholders are Fmr (21.16M shares, 14.92%), Blackrock funding, inc. /de (16.67M shares, 11.72%), and Blackrock (15.61M shares, 10.77%). Together, they hold 37.41% of Ciena’s total shares outstanding.

Does Blackrock own Ciena?

Yes, BlackRock owns 10.77% of Ciena, totaling 15.61M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 752.08M$. In the last quarter, BlackRock increased its holdings by 230.88K shares, a 1.50% change.

Who is Ciena’s biggest shareholder by percentage of total assets invested?

Fenghe fund management pte is Ciena’s biggest shareholder by percentage of total assets invested, with 8.70% of its assets in 660.99K Ciena shares, valued at 154.59M$.

Who is the top mutual fund holder of Ciena shares?

Fidelity Growth Compy Commingled Pl S is the top mutual fund holder of Ciena shares, with 6.39% of its total shares outstanding invested in 9.04M Ciena shares.

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