CIEN
CIENA CORP
$445.98
+0.17%
$63.1B
No data for this timeframe.
Vol
Market Cap$63.1B
Cap SizeLarge Cap
Analyst ConsensusBuy (69%)
Inst. Holders50 funds
Inst. Value$34.4B
Inst. Activity27 buys / 23 sells
Insider Activity0B / 18S
Insider Net $-$20.0M
Reddit Sentiment76° Bullish
SEC Reports11
Recent Activity
Jun 11, 2026
SEC
Ciena entered into a $300M revolving credit facility refinancing (replacing existing revolver and repaying all outstandi
8-K — Impact 7/10
Jun 8, 2026
SEC
Ciena announced a $2.0B convertible senior notes offering due 2031 (plus a $300M greenshoe option) to repay its $1.14B t
8-K — Impact 6/10
Jun 4, 2026
SEC
Ciena reported fiscal Q2 2026 results well above consensus, with revenue of $1.57B (+40% YoY) and adjusted EPS of $1.64
8-K — Impact 8/10
Jun 1, 2026
Insider
SMITH GARY B sold 2,952 shares
President, CEO @ $565.92 ($1.7M)
May 15, 2026
Insider
Gage Brodie sold 1,200 shares
SVP Global Products & Supply @ $570.65 ($684.8K)
May 15, 2026
Insider
Rothenstein David M sold 2,500 shares
SVP and Chief Strategy Officer @ $562.39 ($1.4M)
Inst.
Capital Research Global Investors — NEW
2,750,050 shares ($1.1B)
Inst.
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP — TRIM
1,388,477 shares ($539.0M)
Price Targets
$564.92
+26.7% upside
Strong Buy
Current $445.98
Low $270.00
Median $600.00
High $720.00
19 analysts
$270.00
$720.00
Analyst Ratings
7Strong Buy
11Buy
8Hold
0Sell
0Strong Sell
Recent Analyst Actions
| Date | Firm | Action | Rating |
|---|---|---|---|
| Jun 5, 2026 | UBS | MAINTAIN | Neutral → Neutral |
| Jun 5, 2026 | Barclays | MAINTAIN | Overweight → Overweight |
| Jun 5, 2026 | Morgan Stanley | MAINTAIN | Equal-Weight → Equal-Weight |
| Jun 5, 2026 | Rosenblatt | MAINTAIN | Buy → Buy |
| Jun 5, 2026 | Needham | MAINTAIN | Buy → Buy |
Earnings Estimates
| Period | EPS Est. | Range | Growth | # |
|---|---|---|---|---|
| Current Q | $1.72 ▲ +9.1% | $1.68 — $1.76 | 157% YoY | 16 |
| Next Q | $1.81 ▲ +1.4% | $1.74 — $1.95 | 98% YoY | 16 |
| Current FY | $6.54 ▲ +4.8% | $6.43 — $6.72 | 148% YoY | 19 |
| Next FY | $9.62 ▲ +11.3% | $7.59 — $11.33 | 47% YoY | 19 |
Latest Reports
Top Institutional Holders
| Fund | Value | Move |
|---|---|---|
| FMR LLC | $8.2B | — |
| BlackRock, Inc. | $5.2B | — |
| VANGUARD CAPITAL MANAGEMENT LLC | $3.6B | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $2.9B | — |
| STATE STREET CORP | $2.4B | — |
Recent Insider Trades
| Date | Insider | Type | Value |
|---|---|---|---|
| Jun 1, 2026 | SMITH GARY | SELL | $1.7M |
| May 15, 2026 | Gage Brodie | SELL | $684.8K |
| May 15, 2026 | Rothenstein David | SELL | $1.4M |
| May 15, 2026 | SMITH GARY | SELL | $1.7M |
| May 1, 2026 | SMITH GARY | SELL | $1.6M |
Reddit Sentiment
76°
Bullish
Bearish
Neutral
Bullish
50 institutional holders with $34.4B total value (88,736,458 shares) as of 2026-Q1. Top holders: FMR, BlackRock,, VANGUARD. Net buying activity: 27 institutions added/increased vs 23 reduced.
Top Institutional Holders — 2026-Q1
| # | Fund | Shares | Value | % of Tracked | Last Move |
|---|---|---|---|---|---|
| 1 | FMR LLC | 21,209,756 | $8.2B | 24.0% | — |
| 2 | BlackRock, Inc. | 13,373,787 | $5.2B | 15.1% | — |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 9,169,355 | $3.6B | 10.4% | — |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 7,369,124 | $2.9B | 8.3% | — |
| 5 | STATE STREET CORP | 6,309,050 | $2.4B | 7.1% | — |
| 6 | Capital Research Global Investors | 2,750,050 | $1.1B | 3.1% | NEW |
| 7 | BANK OF AMERICA CORP /DE/ | 1,954,632 | $758.8M | 2.2% | — |
| 8 | Capital World Investors | 1,724,807 | $669.6M | 1.9% | — |
| 9 | MORGAN STANLEY | 1,561,554 | $606.2M | 1.8% | — |
| 10 | Invesco Ltd. | 1,530,293 | $594.1M | 1.7% | — |
| 11 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1,388,477 | $539.0M | 1.6% | TRIM -37.9% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,272,258 | $493.9M | 1.4% | ADD +36.0% |
| 13 | VOYA INVESTMENT MANAGEMENT LLC | 1,205,099 | $467.9M | 1.4% | ADD +27.3% |
| 14 | DIMENSIONAL FUND ADVISORS LP | 1,146,020 | $444.7M | 1.3% | — |
| 15 | BNP Paribas Asset Management Holding S.A. | 1,021,586 | $396.6M | 1.2% | TRIM -48.2% |
| 16 | Nuveen, LLC | 844,193 | $327.7M | 1.0% | — |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 838,300 | $325.5M | 0.9% | — |
| 18 | LONE PINE CAPITAL LLC | 809,522 | $314.3M | 0.9% | NEW |
| 19 | Polar Capital Holdings Plc | 798,395 | $310.0M | 0.9% | TRIM -38.1% |
| 20 | VANGUARD FIDUCIARY TRUST CO | 793,398 | $308.0M | 0.9% | — |
Recent Position Changes
| Fund | Action | Prev Shares | Curr Shares | Change % | Value | Quarter |
|---|---|---|---|---|---|---|
| Capital Research Global Investors | NEW | — | 2,750,050 | — | $1.1B | 2026-Q1 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | TRIM | 2,236,835 | 1,388,477 | -37.9% | $539.0M | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | ADD | 935,728 | 1,272,258 | +36.0% | $493.9M | 2026-Q1 |
| VOYA INVESTMENT MANAGEMENT LLC | ADD | 946,820 | 1,205,099 | +27.3% | $467.9M | 2026-Q1 |
| BNP Paribas Asset Management Holding S.A. | TRIM | 1,973,150 | 1,021,586 | -48.2% | $396.6M | 2026-Q1 |
| LONE PINE CAPITAL LLC | NEW | — | 809,522 | — | $314.3M | 2026-Q1 |
| Polar Capital Holdings Plc | TRIM | 1,289,427 | 798,395 | -38.1% | $310.0M | 2026-Q1 |
| Legal & General Group Plc | ADD | 510,449 | 648,383 | +27.0% | $251.7M | 2026-Q1 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | TRIM | 1,098,593 | 398,579 | -63.7% | $154.7M | 2026-Q1 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | TRIM | 600,554 | 394,092 | -34.4% | $143.8M | 2026-Q1 |
| Assenagon Asset Management S.A. | TRIM | 514,242 | 364,547 | -29.1% | $141.5M | 2026-Q1 |
| PRUDENTIAL FINANCIAL INC | TRIM | 489,151 | 325,763 | -33.4% | $126.5M | 2026-Q1 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | TRIM | 734,365 | 290,123 | -60.5% | $125.6M | 2026-Q1 |
| BALYASNY ASSET MANAGEMENT L.P. | TRIM | 440,086 | 323,419 | -26.5% | $125.6M | 2026-Q1 |
| Mitsubishi UFJ Asset Management Co., Ltd. | DOUBLED | 135,124 | 317,137 | +134.7% | $123.1M | 2026-Q1 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | TRIM | 474,984 | 301,554 | -36.5% | $117.1M | 2026-Q1 |
| Allianz Asset Management GmbH | ADD | 173,209 | 289,386 | +67.1% | $112.3M | 2026-Q1 |
| Neuberger Berman Group LLC | TRIM | 387,168 | 289,692 | -25.2% | $112.1M | 2026-Q1 |
| 1832 Asset Management L.P. | TRIM | 789,900 | 287,400 | -63.6% | $111.6M | 2026-Q1 |
| JANUS HENDERSON GROUP PLC | TRIM | 441,637 | 249,204 | -43.6% | $96.7M | 2026-Q1 |
| RHUMBLINE ADVISERS | TRIM | 383,482 | 246,308 | -35.8% | $95.6M | 2026-Q1 |
| HSBC HOLDINGS PLC | DOUBLED | 54,467 | 223,203 | +309.8% | $86.5M | 2026-Q1 |
| ENVESTNET ASSET MANAGEMENT INC | TRIM | 260,295 | 191,201 | -26.5% | $74.2M | 2026-Q1 |
| AMERIPRISE FINANCIAL INC | TRIM | 269,638 | 186,915 | -30.7% | $71.8M | 2026-Q1 |
| Russell Investments Group, Ltd. | ADD | 108,175 | 178,491 | +65.0% | $68.6M | 2026-Q1 |
16 unique insiders with 35 transactions. Net insider value: -$20.0M ($0.00 bought, $20.0M sold).
Insider Transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 1, 2026 | SMITH GARY B | President, CEO | SELL | 2,952 | $565.92 | $1.7M |
| May 15, 2026 | Gage Brodie | SVP Global Products & Supply | SELL | 1,200 | $570.65 | $684.8K |
| May 15, 2026 | Rothenstein David M | SVP and Chief Strategy Officer | SELL | 2,500 | $562.39 | $1.4M |
| May 15, 2026 | SMITH GARY B | President, CEO | SELL | 2,952 | $562.05 | $1.7M |
| May 1, 2026 | SMITH GARY B | President, CEO | SELL | 2,952 | $537.74 | $1.6M |
| Apr 15, 2026 | DiPerna Dino | SVP Global R&D | SELL | 1,322 | $471.79 | $623.7K |
| Apr 15, 2026 | SMITH GARY B | President, CEO | SELL | 2,952 | $467.47 | $1.4M |
| Apr 15, 2026 | Gage Brodie | SVP Global Products & Supply | SELL | 1,200 | $471.79 | $566.1K |
| Apr 15, 2026 | Rothenstein David M | SVP and Chief Strategy Officer | SELL | 2,500 | $467.65 | $1.2M |
| Apr 1, 2026 | Phipps Jason | SVP Global Sales and Marketing | SELL | 1,735 | $401.58 | $696.7K |
| Apr 1, 2026 | SMITH GARY B | President, CEO | SELL | 2,952 | $415.51 | $1.2M |
| Apr 1, 2026 | Kosaraju Sheela | SVP and General Counsel | SELL | 2,012 | $401.71 | $808.2K |
| Mar 27, 2026 | Cumello Joseph | SVP, General Mgr. Blue Planet | SELL | 1,773 | $394.82 | $700.0K |
| Mar 26, 2026 | FITT LAWTON W | Director | AWARD | 605 | — | — |
| Mar 26, 2026 | AHMED HASSAN | Director | AWARD | 605 | — | — |
| Mar 26, 2026 | Claflin Bruce L. | Director | AWARD | 605 | — | — |
| Mar 26, 2026 | AHMED HASSAN | Director | AWARD | 605 | — | — |
| Mar 26, 2026 | KUMAR DEVINDER | Director | AWARD | 605 | — | — |
| Mar 26, 2026 | GALLAGHER PATRICK | Director | AWARD | 605 | — | — |
| Mar 26, 2026 | NEVENS THOMAS MICHAEL | Director | AWARD | 605 | — | — |
| Mar 26, 2026 | Olsen Joanne Beth | Director | AWARD | 605 | — | — |
| Mar 26, 2026 | PUMA MARY G | Director | AWARD | 605 | — | — |
| Mar 24, 2026 | Gage Brodie | SVP Global Products & Supply | SELL | 5,000 | $405.00 | $2.0M |
| Mar 20, 2026 | Phipps Jason | SVP Global Sales and Marketing | TAX W/H | 269 | $383.89 | $103.3K |
| Mar 20, 2026 | Kosaraju Sheela | SVP and General Counsel | TAX W/H | 164 | $383.89 | $63.0K |
| Mar 20, 2026 | Gage Brodie | SVP Global Products & Supply | TAX W/H | 230 | $383.89 | $88.3K |
| Mar 20, 2026 | Rothenstein David M | SVP and Chief Strategy Officer | TAX W/H | 472 | $383.89 | $181.2K |
| Mar 20, 2026 | Cumello Joseph | SVP, General Mgr. Blue Planet | TAX W/H | 179 | $383.89 | $68.7K |
| Mar 20, 2026 | DiPerna Dino | SVP Global R&D | TAX W/H | 204 | $383.89 | $78.3K |
| Mar 20, 2026 | Graff Marc D. | SVP & Chief Financial Officer | TAX W/H | 199 | $383.89 | $76.4K |
| Mar 20, 2026 | SMITH GARY B | President, CEO | TAX W/H | 937 | $383.89 | $359.7K |
| Mar 16, 2026 | Rothenstein David M | SVP and Chief Strategy Officer | SELL | 2,500 | $345.00 | $862.5K |
| Mar 16, 2026 | SMITH GARY B | President, CEO | SELL | 2,952 | $359.53 | $1.1M |
| Mar 2, 2026 | SMITH GARY B | President, CEO | SELL | 2,952 | $354.64 | $1.0M |
| Feb 2, 2026 | SMITH GARY B | President, CEO | SELL | 2,952 | $265.60 | $784.1K |
11 SEC filing reports analyzed. Sentiment: 2 bullish, 1 bearish, 1 mixed, 7 neutral. Avg impact: 4.6/10.
BEARISH
8-K
7/10
Ciena entered into a $300M revolving credit facility refinancing (replacing existing revolver and re
Jun 11, 2026
MIXED
8-K
6/10
Ciena announced a $2.0B convertible senior notes offering due 2031 (plus a $300M greenshoe option) t
Jun 8, 2026
BULLISH
8-K
8/10
Ciena reported fiscal Q2 2026 results well above consensus, with revenue of $1.57B (+40% YoY) and ad
Jun 4, 2026
NEUTRAL
CLUSTER
2/10
Two SVPs at Ciena sold a combined $2.09M in open-market transactions. This represents ~0.003% of mar
May 19, 2026
NEUTRAL
CLUSTER
4/10
Two senior executives at Ciena Corp—SVP Global R&D and SVP Global Products & Supply—sold shares wort
Apr 17, 2026
NEUTRAL
144
3/10
David Rothenstein, an officer of Ciena Corp, filed a Form 144 to notify intent to sell 2,500 shares
Apr 15, 2026
NEUTRAL
144
3/10
Two Ciena officers, Dino DiPerna and Brodie Gage, filed Form 144 notices to sell 2,829 and 1,200 sha
Apr 15, 2026
NEUTRAL
CLUSTER
3/10
Two Ciena executives sold shares in late March 2026, including CEO Gary Smith who sold $1.23M in sto
Apr 3, 2026
NEUTRAL
CLUSTER
3/10
Three SVPs at Ciena Corp surrendered shares to cover tax obligations following a vesting event, resu
Mar 24, 2026
NEUTRAL
CLUSTER
4/10
Two C-suite executives at Ciena Corp — CEO Gary Smith and SVP David Rothenstein — sold shares in the
Mar 18, 2026
BULLISH
8-K
8/10
Ciena reported strong fiscal Q1 2026 results with revenue of $1.43 billion, up 33% year-over-year, a
Mar 5, 2026
No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.
Current analyst consensus: Buy (69% buy). Based on 26 analysts: 7 strong buy, 11 buy, 8 hold, 0 sell, 0 strong sell.
Analyst Price Targets
$564.92 mean target
+26.7% upside
Strong Buy (2.00)
$270.00 Low
$720.00 High
| Metric | Value |
|---|---|
| Current Price | $445.98 |
| Target Low | $270.00 |
| Target Mean | $564.92 |
| Target Median | $600.00 |
| Target High | $720.00 |
| # Analysts | 19 |
| Recommendation | Strong Buy (2.00) |
Earnings Estimates & Revisions
| Period | EPS Avg | EPS Low | EPS High | EPS Growth | 30d Rev. | Up/Down | Rev. Avg | Rev. Growth | Analysts |
|---|---|---|---|---|---|---|---|---|---|
| Current Q 2026-07-31 |
$1.72 | $1.68 | $1.76 | 156.8% | +9.1% | 16↑ 0↓ | $1.6B | 33.9% | 16 |
| Next Q 2026-10-31 |
$1.81 | $1.74 | $1.95 | 98.5% | +1.4% | 10↑ 6↓ | $1.7B | 25.4% | 16 |
| Current FY 2026-10-31 |
$6.54 | $6.43 | $6.72 | 147.5% | +4.8% | 18↑ 1↓ | $6.3B | 32.7% | 19 |
| Next FY 2027-10-31 |
$9.62 | $7.59 | $11.33 | 47.2% | +11.3% | 17↑ 0↓ | $8.0B | 26.6% | 19 |
Current Quarter EPS Revision History
| Timepoint | EPS Estimate | Change |
|---|---|---|
| Current | $1.721 | |
| 7d ago | $1.582 | +0.138 |
| 30d ago | $1.577 | +0.143 |
| 60d ago | $1.572 | +0.149 |
| 90d ago | $1.565 | +0.156 |
14 analyst firms have rated this stock: 1 upgrades, 1 downgrades, 2 initiations.
Individual Analyst Actions
| Date | Analyst Firm | Action | Previous Rating | New Rating |
|---|---|---|---|---|
| Jun 5, 2026 | UBS | MAINTAIN | Neutral | Neutral |
| Jun 5, 2026 | Barclays | MAINTAIN | Overweight | Overweight |
| Jun 5, 2026 | Morgan Stanley | MAINTAIN | Equal-Weight | Equal-Weight |
| Jun 5, 2026 | Rosenblatt | MAINTAIN | Buy | Buy |
| Jun 5, 2026 | Needham | MAINTAIN | Buy | Buy |
| Jun 4, 2026 | Raymond James | MAINTAIN | Outperform | Outperform |
| Jun 2, 2026 | B. Riley Securities | MAINTAIN | Neutral | Neutral |
| May 26, 2026 | B of A Securities | MAINTAIN | Buy | Buy |
| May 18, 2026 | Citigroup | MAINTAIN | Buy | Buy |
| May 15, 2026 | TD Cowen | MAINTAIN | Buy | Buy |
| May 5, 2026 | Stifel | MAINTAIN | Buy | Buy |
| May 1, 2026 | Rothschild & Co | INITIATE | — | Neutral |
| Apr 20, 2026 | Morgan Stanley | MAINTAIN | Equal-Weight | Equal-Weight |
| Apr 16, 2026 | JP Morgan | MAINTAIN | Overweight | Overweight |
| Apr 16, 2026 | B of A Securities | MAINTAIN | Buy | Buy |
| Mar 23, 2026 | Stifel | MAINTAIN | Buy | Buy |
| Mar 12, 2026 | TD Cowen | INITIATE | — | Buy |
| Mar 6, 2026 | UBS | MAINTAIN | Neutral | Neutral |
| Mar 6, 2026 | Rosenblatt | MAINTAIN | Buy | Buy |
| Mar 6, 2026 | B. Riley Securities | MAINTAIN | Neutral | Neutral |
| Mar 6, 2026 | Citigroup | MAINTAIN | Buy | Buy |
| Mar 6, 2026 | Morgan Stanley | MAINTAIN | Equal-Weight | Equal-Weight |
| Mar 6, 2026 | Barclays | MAINTAIN | Overweight | Overweight |
| Mar 6, 2026 | Stifel | REITERATE | Buy | Buy |
| Mar 6, 2026 | B of A Securities | UPGRADE | Neutral | Buy |
| Mar 5, 2026 | Needham | MAINTAIN | Buy | Buy |
| Mar 2, 2026 | JP Morgan | MAINTAIN | Overweight | Overweight |
| Feb 23, 2026 | Morgan Stanley | MAINTAIN | Equal-Weight | Equal-Weight |
| Feb 19, 2026 | Evercore ISI Group | MAINTAIN | In-Line | In-Line |
| Jan 22, 2026 | Stifel | MAINTAIN | Buy | Buy |
| Jan 20, 2026 | B of A Securities | DOWNGRADE | Buy | Neutral |
| Dec 17, 2025 | Morgan Stanley | MAINTAIN | Equal-Weight | Equal-Weight |
Monthly Consensus History
| Period | Strong Buy | Buy | Hold | Sell | Strong Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | 7 | 11 | 8 | 0 | 0 | 69% | |
| May 1, 2026 | 7 | 11 | 7 | 0 | 0 | 72% | |
| Apr 1, 2026 | 7 | 11 | 7 | 0 | 0 | 72% | |
| Mar 1, 2026 | 6 | 10 | 8 | 0 | 0 | 67% | |
| Feb 1, 2026 | 6 | 10 | 8 | 0 | 0 | 67% | |
| Jan 1, 2026 | 7 | 10 | 7 | 0 | 0 | 71% |
Strong BuyBuyHoldSellStrong Sell
No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.
76°
Bullish
Bearish
Neutral
Bullish
15 mentions
11 bullish
1 bearish
15 time periods
Reddit Sentiment History
| Date | Mentions | Sentiment | Bullish | Bearish | Threads |
|---|---|---|---|---|---|
| Jun 9, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Jun 9, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Jun 4, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Jun 4, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Jun 4, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Jun 4, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Jun 2, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Jun 2, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Apr 9, 2026 | 1 | 40° Cool | 0 | 1 | 1 |
| Apr 5, 2026 | 1 | 50° Neutral | 0 | 0 | 1 |
| Apr 5, 2026 | 1 | 50° Neutral | 0 | 0 | 1 |
| Mar 17, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Mar 17, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
| Feb 28, 2026 | 1 | 50° Neutral | 0 | 0 | 1 |
| Feb 14, 2026 | 1 | 60° Warm | 1 | 0 | 1 |
Recent Reddit Threads
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Jun 4, 2026
earnings_calendar
CIEN Q2 2026 Earnings Before Market Open — 2026-06-04
May 18, 2026
dark_pool
Dark Pool: CIEN — 3.1M shares, 99,037 trades
Week starting 2026-05-18. Total ATS volume: 3,113,024 shares across 99,037 trades.
May 11, 2026
dark_pool
Dark Pool: CIEN — 2.1M shares, 77,111 trades
Week starting 2026-05-11. Total ATS volume: 2,072,834 shares across 77,111 trades.
May 6, 2026
short_volume
Short Volume: CIEN — 63.0% short (0.6M / 1.0M)
Short: 625,097 | Exempt: 650 | TRF Vol: 992,131 | Short Ratio: 63.0% | Off-exchange volume (dark pool + OTC)
May 4, 2026
dark_pool
Dark Pool: CIEN — 2.7M shares, 91,072 trades
Week starting 2026-05-04. Total ATS volume: 2,654,309 shares across 91,072 trades.
Apr 27, 2026
dark_pool
Dark Pool: CIEN — 2.8M shares, 98,552 trades
Week starting 2026-04-27. Total ATS volume: 2,847,066 shares across 98,552 trades.
Apr 23, 2026
short_interest
FTD: CIEN — 14,048 shares ($7.0M) failed to deliver
Settlement: 20260423, Price: $498.97, FTD Value: $7,009,530.56, CIENA CORP COM NEW
Apr 20, 2026
short_interest
FTD: CIEN — 19,237 shares ($9.8M) failed to deliver
Settlement: 20260420, Price: $507.43, FTD Value: $9,761,430.91, CIENA CORP COM NEW
Apr 20, 2026
dark_pool
Dark Pool: CIEN — 2.7M shares, 80,294 trades
Week starting 2026-04-20. Total ATS volume: 2,705,308 shares across 80,294 trades.
Apr 17, 2026
short_volume
Short Volume: CIEN — 56.5% short (0.4M / 0.7M)
Short: 418,453 | Exempt: 579 | TRF Vol: 741,238 | Short Ratio: 56.5% | Off-exchange volume (dark pool + OTC)
Apr 14, 2026
short_interest
FTD: CIEN — 16,907 shares ($8.1M) failed to deliver
Settlement: 20260414, Price: $479.90, FTD Value: $8,113,669.3, CIENA CORP COM NEW
Apr 13, 2026
dark_pool
Dark Pool: CIEN — 3.6M shares, 92,833 trades
Week starting 2026-04-13. Total ATS volume: 3,614,962 shares across 92,833 trades.
Apr 10, 2026
short_volume
Short Volume: CIEN — 62.1% short (0.7M / 1.2M)
Short: 731,873 | Exempt: 5 | TRF Vol: 1,178,076 | Short Ratio: 62.1% | Off-exchange volume (dark pool + OTC)
Apr 8, 2026
short_volume
Short Volume: CIEN — 59.6% short (1.0M / 1.7M)
Short: 1,038,982 | Exempt: 129 | TRF Vol: 1,743,360 | Short Ratio: 59.6% | Off-exchange volume (dark pool + OTC)
Apr 6, 2026
dark_pool
Dark Pool: CIEN — 3.6M shares, 92,280 trades
Week starting 2026-04-06. Total ATS volume: 3,573,152 shares across 92,280 trades.