Ciena Corporation· CIEN

🇺🇸 US · LargeSP500NYSE

Technology Communication Equipment Website

Price: $348.80
Day: +1.32%
Mkt Cap: $49.37B
52W Range: $133.67 – $637.51
Volume: 4.85M
Beta: 1.31

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Smart Money: 3.5 / 5 (Bullish), from 3 of 3 components
Institutions Q2 2026: 1,290 institutions hold; 734 added, 396 reduced
Insiders Q3 2026: no purchases, 19 sales ($16.3M)

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Ciena Corporation

CIEN|Technology|Communication Equipment

Current price: $349

Smart Money

Dimension 5 of 5

Insider selling pace · Q3 2026

0.5x

quarter in progress, filings still arriving

Seller breadth · Q3 2026

7 sellers

vs 7.5 avg per quarter

Institutional net breadth · Q2 2026

+489

1,002 adding vs 513 reducing

Institutional ownership · Q2 2026

94.2%

1,290 institutions

Insider Selling Pace

Each quarter's selling vs this stock's own trailing 6-quarter average

Light <0.5xRoutineElevated >1.5xHeavy >3xBuying

Institutional Positions

Institutions adding above the line, reducing below, net as a line

NewIncreasedReducedClosedNet

Largest Institutional Holders, Q2 2026

By reported market value, and how each moved in the quarter

Holder

Change

FMR LLC

19.1M

-10.0%

BLACKROCK, INC.

12.7M

-5.0%

JPMORGAN CHASE & CO

11.2M

+9.5%

VANGUARD CAPITAL MANAGEMENT LLC

9.2M

+0.6%

VANGUARD PORTFOLIO MANAGEMENT LLC

7.7M

+4.1%

STATE STREET CORP

6.7M

+5.8%

ETF & Fund Activity, Q3 2026

How the covering funds split between buying, holding and selling

2 buying8 unchanged0 selling

10 funds held CIEN in Q3 2026, holding 758.3K shares between them, up 3.0% on the quarter.

Largest fund holders

SPDR SERIES TRUST639.4K sh

NATIONWIDE MUTUAL FUNDS62.3K sh

MADISON FUNDS21.4K sh

Notable Insider Transactions, Q3 2026

Largest open-market purchases and sales by value in the last eight quarters

Sale · Jan 5

SMITH GARY B

$19.2M

Sale · Jan 15

Phipps Jason

$5.3M

Sale · Jan 12

Cumello Joseph

$2.7M

Insider transactions from SEC Form 4 filings; institutional holdings from quarterly 13F filings, which are reported with a lag and can overlap between filers. 13F: quarterly institutional holdings report · ETF: Exchange-Traded Fund

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated September 20, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

CIEN Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.5/5

Bullish

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

Institutional Flow

50% weight

+30

Fund Flow

10% weight

+100

Overall Smart Money sentiment of 3.5/5 (Bullish) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated September 19, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Selling Pace for CIEN

Each quarter's selling vs the stock's own trailing 6-quarter average; 1.0x is typical for this stock. Green triangles mark quarters with insider buying.

Neutral

Routine insider selling in Q3 2026

19 sales totaling $16.3M (39.5K shares)

Share volume is at a routine pace (0.5x average)

7 different insiders sold this quarter

Sell-only pattern: no insider purchases across 15 quarters

Steady selling pace across recent quarters

0.5x

Selling pace

quarter in progress, filings still arriving

1.74%

Stake sold

of active insiders' holdings

7 sellers

Seller breadth

vs 7.5 avg per quarter

None

Insider buying

in the last 16 quarters

Notable Recent Transactions, CIEN

Top 8 highest-value insider trades from the last 8 quarters

SMITH GARY B

CEO

Sell

83,552 shares at $229.44

≈21.3% of their stake at the time

Jan 5, 2026$19.17M

Phipps Jason

SVP Global Sales and Marketing

Sell

21,383 shares at $247.89

≈18.9% of their stake at the time

Jan 15, 2026$5.30M

Cumello Joseph

SVP, General Mgr. Blue Planet

Sell

11,929 shares at $229.82

≈19.4% of their stake at the time

Jan 12, 2026$2.74M

GALLAGHER PATRICK

Director

Sell

11,618 shares at $227.45

≈18.8% of their stake at the time

Jan 12, 2026$2.64M

Graff Marc D.

CFO

Sell

4,995 shares at $430.72

≈4.4% of their stake at the time

Aug 14, 2026$2.15M

Gage Brodie

SVP Global Products & Supply

Sell

5,000 shares at $405.00

≈9.7% of their stake at the time

Mar 24, 2026$2.02M

NEVENS THOMAS MICHAEL

Director

Sell

8,554 shares at $224.66

≈47.6% of their stake at the time

Dec 15, 2025$1.92M

SMITH GARY B

CEO

Sell

2,952 shares at $565.92

≈1.1% of their stake at the time

Jun 1, 2026$1.67M

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Positions for CIEN

Institutions adding (new + increased) above zero, reducing (reduced + closed) below, net as a line

New Increased Reduced Closed Net (adding − reducing)

Bullish Signal

Institutions accumulating in Q2 2026

94.2% institutional ownership

Moderate accumulation: 1002 adding vs 513 reducing

13F share count essentially flat

+489

Net breadth

1,002 adding vs 513 reducing

Accumulating

1.95

Add / reduce ratio

in Q2 2026

+151

New − closed

268 initiated, 117 exited

5 of 10

Top holders adding

largest holders with a known change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+1002 growing-513 shrinkingNet: +489

268

734

396

117

New (268)

Increased (734)

Reduced (396)

Closed (117)

Top Institutional Holders, CIEN

Largest 8 institutional positions by ownership percentage as of Q2 2026

FMR LLC

19.1M

$9.4B

Ownership

13.45%

-10.0%

BLACKROCK, INC.

12.7M

$6.2B

Ownership

8.95%

-5.0%

JPMORGAN CHASE & CO

11.2M

$5.4B

Ownership

7.89%

+9.5%

VANGUARD CAPITAL MANAGEMENT LLC

9.2M

$4.5B

Ownership

6.50%

+0.6%

VANGUARD PORTFOLIO MANAGEMENT LLC

7.7M

$3.8B

Ownership

5.41%

+4.1%

STATE STREET CORP

6.7M

$3.3B

Ownership

4.70%

+5.8%

PRICE T ROWE ASSOCIATES INC /MD/

4.1M

$2.0B

Ownership

2.87%

-22.4%

GEODE CAPITAL MANAGEMENT, LLC

3.4M

$1.6B

Ownership

2.37%

-17.2%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q3 2026: 10 ETFs and mutual funds reporting

2 buying0 sellingNet: +2

Buying (2)

Unchanged (8)

Selling (0)

In total, funds bought 22.9K shares and sold 0 this quarter. Each fund counts once in the bar above, whatever the size of its move.

Very Bullish

Funds accumulating in Q3 2026

10 ETFs and mutual funds reporting

2 funds buying vs 0 selling

Top Fund Holders, CIEN

Largest 8 ETF and mutual fund positions by shares held, each fund's latest filing

SPDR SERIES TRUST

639.4K

Weight

3.16%

Jul 31, 2026No change

NATIONWIDE MUTUAL FUNDS

62.3K

Weight

0.01%

Jul 31, 2026Increased

MADISON FUNDS

21.4K

Weight

0.44%

Jul 31, 2026No change

GLENMEDE FUND INC

12.3K

Weight

0.75%

Jul 31, 2026No change

FORUM FUNDS

7.6K

Weight

35.44%

Jul 31, 2026No change

Listed Funds Trust

4.9K

Weight

84.34%

Jul 31, 2026No change

Mercer Funds

4.5K

Weight

0.00%

Jun 30, 2026Decreased

Victory Portfolios II

4.4K

Weight

0.00%

Jun 30, 2026Increased

Ciena Corporation· CIEN

Holdings Analysis

Insider Trading Activity

1.3Transaction History253Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings174Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History253Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings174Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights