Ciena Ownership | Who Owns Ciena?


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Ciena Ownership Summary


Ciena is owned by 1.40% institutional investors, 1.00% insiders, and 97.61% retail investors. Fmr is the largest institutional shareholder, holding 14.88% of CIEN shares. Fidelity Growth Compy Commingled Pl S is the top mutual fund, with 5.74% of its assets in Ciena shares.

CIEN Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockCiena1.40%1.00%97.61%
SectorTechnology Stocks 38.56%12.67%48.77%
Idea5G Stocks List39.80%7.75%52.45%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Fmr21.53M14.88%$1.83B
Blackrock funding, inc. /de17.10M11.82%$1.45B
Blackrock15.61M10.77%$752.08M
Vanguard group15.32M10.58%$1.30B
Barrow hanley mewhinney & strauss5.24M3.62%$444.14M
Price t rowe associates inc /md/4.63M3.20%$392.35M
State street4.58M3.17%$388.79M
Jpmorgan chase4.44M3.07%$376.48M
Bnp paribas asset management3.83M2.65%$324.85M
Thrivent financial for lutherans2.61M1.81%$221.68M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
North growth management458.00K7.38%$38.87M
Thorntree capital partners lp611.99K6.74%$51.90M
Ion asset management1.36M5.30%$81.99M
12th street asset management company309.13K4.32%$26.22M
Senvest management1.58M4.12%$134.19M
Analog century management lp632.80K3.59%$53.67M
Westerly capital management125.00K3.27%$7.55M
Digitalbridge group494.24K3.07%$41.92M
Manchester global management (uk)268.64K3.00%$22.78M
Fort pitt capital group1.71M2.50%$82.34M

Top Buyers

HolderShares% AssetsChange
Jpmorgan chase4.44M0.03%3.55M
Price t rowe associates inc /md/4.63M0.05%3.06M
Polar capital2.17M1.03%1.15M
Blackrock funding, inc. /de17.10M0.03%950.03K
Marshall wace, llp899.83K0.09%878.98K

Top Sellers

HolderShares% AssetsChange
Slate path capital lp---2.18M
Victory capital management376.52K0.03%-1.49M
Alyeska investment group456.90K0.15%-1.48M
Fil---1.44M
Capital world investors---1.18M

New Positions

HolderShares% AssetsChangeValue
Stephens investment management group672.06K0.76%672.06K$57.00M
Raymond james financial482.48K0.02%482.48K$40.92M
Kovitz investment group partners448.90K0.13%448.90K$38.07M
Oribel capital management, lp415.40K1.03%415.40K$25.10M
Cubist systematic strategies305.77K0.11%305.77K$18.48M

Sold Out

HolderChange
Mendota financial group-2.00
Tfo-tdc-2.00
Nelson, van denburg & campbell wealth management group-4.00
Claris advisors, llc / mo /-8.00
Horizon investments-14.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
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%
Sep 30, 20244812.12%141,610,7531.20%981.05%22714.65%156-11.86%
Jun 30, 2024463-5.70%139,791,6052.04%961.09%193-3.02%175-9.33%
Mar 31, 20244915.14%136,992,5813.07%941.13%1992.05%19312.21%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Fidelity Growth Compy Commingled Pl S8.18M5.74%721.12K
Fidelity Growth Company Fund5.92M4.16%537.35K
iShares Core S&P Mid-Cap ETF4.62M3.24%3.02K
Vanguard US Total Market Shares ETF4.57M3.21%3.85K
Vanguard Total Stock Mkt Idx Inv4.57M3.20%80.91K
Fidelity Growth Compy Commingled Pl O4.10M2.84%15.49K
Vanguard Small Cap Index3.58M2.51%21.39K
BlackRock Large Cap Core (SMA)2.63M1.84%-
Vanguard Institutional Extnd Mkt Idx Tr2.20M1.54%14.43K
Vanguard Small Cap Growth Index Inv1.99M1.40%-2.13K

Recent Insider Transactions


DateNameRoleActivityValue
Jun 02, 2025SMITH GARY B President, CEOSell$548.20K
May 15, 2025SMITH GARY B President, CEOSell$543.25K
May 15, 2025Gage Brodie SVP Global Products & SupplySell$27.53K
May 15, 2025Rothenstein David M SVP and Chief Strategy OfficerSell$199.83K
May 01, 2025SMITH GARY B President, CEOSell$488.94K

Insider Transactions Trends


DateBuySell
2025 Q2-12
2025 Q1-19
2024 Q4-10
2024 Q3-9
2024 Q2-14

CIEN Ownership FAQ


Who owns the most shares of Ciena?

Ciena’s largest shareholders are Fmr (21.53M shares, 14.88%), Blackrock funding, inc. /de (17.1M shares, 11.82%), and Blackrock (15.61M shares, 10.77%). Together, they hold 37.47% 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?

North growth management is Ciena’s biggest shareholder by percentage of total assets invested, with 7.38% of its assets in 458K Ciena shares, valued at 38.87M$.

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 5.74% of its total shares outstanding invested in 8.18M Ciena shares.

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