Stock Analysis
Data Source: SEC EDGAR 13F
Updated Hourly

Ciena Corp (CIEN)

1K + Investors. Track Smart Money conviction in CIEN. See who's accumulating, reducing, or initiating positions.

Current Price
-- USD
Analyst Target
-- (0 analysts)
Upside
0.00%
Net Flow Q/Q
↑ +236
Streak
7Q ▲
Buyers last Q
58%

Smart Money Signals — CIEN

Based on 1082 hedge funds · latest filing: 2026 Q1 · updated quarterly

📈

Buying streak — 7 quarters in a row

last 6Q
For 7 consecutive quarters, more hedge funds added CIEN than sold it. That's a consistent pattern of professional buying — not a one-time trade. When institutions keep buying quarter after quarter, it usually means they see a multi-year opportunity, not just a short-term momentum flip.
🏔️

At the ownership peak (100% of max)

100% of all-time peak
1,082 hedge funds hold CIEN right now — the highest count in 3.0 years. When ownership is this concentrated, any bad news can trigger a chain reaction: one big fund sells, others follow. This is a classic 'crowded trade' — high popularity doesn't equal safety.
🚀

Fast accumulation — +99% more funds vs a year ago

fund count last 6Q
+539 new funds entered over the past year (+99% YoY). That's a rapid rush of institutional money. Fast accumulation often signals a major thesis — but it also means the stock could fall quickly if that thesis breaks.
🟡

Slight buying edge — 58% buying

639 buying464 selling
Last quarter: 639 funds bought or added vs 464 that reduced or exited. It's nearly a 50/50 split — some institutions are convinced, others are taking profits. This mixed picture is normal near price highs.
📈

More new buyers each quarter (+71 vs last Q)

new funds entering per quarter
Funds opening a new CIEN position: 107 → 180 → 254 → 325. A growing influx of new institutional buyers means the asset is still gathering momentum — the consensus hasn't fully saturated yet.
🔒

40% of holders stayed for 2+ years

■ 40% conviction (2yr+) ■ 18% medium ■ 42% new
432 out of 1,082 hedge funds have held CIEN for over 2 years without selling. Long-term investors are generally harder to shake out during market stress, creating a stable ownership base that limits the risk of sudden capitulation.
💰

Price up while funds trimmed (+45% value, -18% shares)

Value
+45%
Shares
-18%
Last quarter: total value of institutional CIEN holdings rose +45% even though funds reduced share count by 18%. The stock price increased enough to offset the selling. Institutions are quietly trimming into price strength — watch for rotation.
🚀

Acceleration phase — new buyers rushing in

106 → 107 → 180 → 254 → 325 new funds/Q
New funds entering each quarter: 107 → 180 → 254 → 325. The pace of institutional discovery is accelerating sharply. This is the 'hot idea' phase — the thesis is being passed from fund to fund. You are not late — the accumulation wave is still building.
🏛️

Veteran-anchored — 49% veterans vs 44% newcomers

■ 49% veterans ■ 7% 1-2yr ■ 44% new
Entry-cohort mix of 1,122 holders: 553 (49%) are 2+ year veterans, 78 entered 1–2 years ago, and 491 (44%) joined within the past year. A veteran-weighted cap table skews toward institutional memory over fresh momentum.
🏆

Elite ownership — 65% AUM from top-100 funds

65% from top-100 AUM funds
69 of 1076 holders are among the 100 largest funds by AUM, controlling 65% of total institutional value in CIEN. When the biggest players dominate the cap table, it signifies deep institutional support — since mega-funds deploy the most rigorous due diligence and capital.
5.3
out of 10
Moderate Exit Risk
Exit risk score 5.3/10 — some crowding factors present, but no critical concentration. Watch ownership trend over the next 1–2 quarters for direction.

Methodology note: these Smart Money cards use consecutive 13F disclosure snapshots, not trade-by-trade execution data. "Buying", "selling", "new holders", and "trimmed" refer to quarter-over-quarter changes in reported holders, aggregate shares, or disclosed position values between filings. They are useful for ownership regime analysis and crowding, but they do not imply exact trade timing on the filing date.

Institutional Sentiment Summary — CIEN

In 2026 Q1, 639 hedge funds were net buyers of CIEN (325 opened a new position, 314 added to an existing one), while 464 reduced or exited (375 trimmed, 89 sold completely) — a 58% buyer ratio, indicating a slight buying edge. This marks 7 consecutive quarters of net institutional buying — a persistent conviction signal. 65% of total institutional value in CIEN is held by top-100 AUM funds, reflecting elite-tier ownership quality. Net fund flow last quarter: +236 funds (more new holders than closures). Total institutional holders: 1082.

Hedge Fund Ownership: CIEN

How many hedge funds hold CIEN — quarterly history vs. share price
Quarterly hedge fund ownership of CIEN vs. share price

Market Analysis: CIEN

Analyst Price Targets

Avg. Price Target
--

Analyst Recommendations

Stock Performance

Real-time

Company Profile: CIEN

-- --

Institutional ownership data sourced from SEC EDGAR Form 13F-HR filings.

Is It Too Late to Buy Ciena Corp (CIEN) Based on Hedge Fund 13F Filings?

Signal Freshness measures how much CIEN has moved relative to its sector benchmark (XLK) since the 2026 Q2 13F filing. A stock that has barely outrun its sector is still a relatively fresh entry point — the fund's thesis has not yet been priced in by the broader market.

Since Quarter End June 30, 2026 · 46d ago
CIEN
-9.7%
XLK
-0.3%

CIEN outperformed XLK by -9.4% since June 30, 2026.

Since 13F Filing Date August 14, 2026 · 1d ago
CIEN
+0.0%
XLK
+0.0%

Since the filing became public, CIEN outperformed XLK by +0.0% .

Interpretation: The stock is tracking its sector benchmark closely. The signal remains fresh and the entry point is still near the fund's implied reference. Learn more →

Smart Money Signal ?
Strong Institutional Conviction

Multiple high-quality funds hold meaningful positions with strong conviction.

70 top-rated funds 23 high-conviction
Consensus
8.0
/ 10
breadth
×
Elite
7.0
/ 10
conviction
Hedge Fund Positioning: CIEN
2026 Q2 Stats Unlock in 4 days 1K + Investors

Track Smart Money conviction in CIEN. See who's accumulating, reducing, or initiating positions.

Metric All 13F Filers (2026 Q1) Prior (2025 Q4) Change
Funds Holding 1068 845 26.39%
13F Shares 127M 156M -18.16%
Total Value $46.53B $32.06B 45.14%
New Positions 319 254 +65
Increased Positions 305 248 +57
Closed Positions 96 90 +6
Reduced Positions 362 274 +88
Total Calls 24 19 26.32%
Total Puts 21 17 23.53%
PUT/CALL Ratio 0.88 0.89 Neutral

Statistics: CIEN

View More

Valuation Measures Data as of: --

Market Cap --
Enterprise Value --
Trailing P/E --
Forward P/E --
PEG Ratio (5yr expected) --
Price/Sales (ttm) --
Price/Book (mrq) --
Enterprise Value/Revenue --
Enterprise Value/EBITDA --
Beta (5Y Monthly) --
Short Ratio (Days to Cover) --
Short % of Float --

Financial Highlights

Profitability
Profit Margin --
Return on Assets (ttm) --
Return on Equity (ttm) --
Income Statement & Cash Flow
Revenue (ttm) --
Net Income Avi to Common (ttm) --
Diluted EPS (ttm) --
Total Cash (mrq) --
Total Debt/Equity (mrq) --
Levered Free Cash Flow (ttm) --

Institutional Holders (2026 Q2)

1K + investors

Explore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in CIEN. Verified SEC 13F-HR filings.

QUARTER:
2026 Q2 filings are still coming in. Only funds that have filed so far are shown — top holders may not have reported yet. Full 13F data typically settles by ~50 days after quarter-end.
Top 25 CIEN holders by conviction (% of portfolio weight) — 2026 Q1 · Source: SEC Form 13F
# Investor % of Portfolio Shares Mkt Value
1 ThornTree Capital Partners LP 8.74% 130,272 $63.9M
2 M & L Capital Management Ltd 8.35% 62,930 $30.9M
3 Amanah Holdings Trust 5.76% 200,000 $98.1M
4 Tuttle Capital Management, LLC 5.17% 15,632 $7.7M
5 Titan Global Capital Management USA LLC 5.03% 80,417 $39.4M
6 Riposte Capital LLC 4.36% 40,000 $19.6M
7 Williamson Legacy Group, LLC 4.14% 17,001 $8.3M
8 Analog Century Management LP 4.06% 226,198 $111.0M
9 DigitalBridge Group, Inc. 3.82% 129,954 $63.8M
10 Shannon River Fund Management LLC 3.56% 81,298 $39.9M
11 Investment Research Partners LLC 3.46% 20,831 $10.2M
12 12th Street Asset Management Company, LLC 3.27% 46,777 $22.9M
13 Harbour Capital Advisors, LLC 3.23% 38,547 $17.8M
14 Elyxium Wealth, LLC 3.21% 62,380 $30.6M
15 Bienville Capital Management, LLC 2.77% 42,259 $20.7M
16 Front Street Capital Management, Inc. 2.67% 47,975 $23.5M
17 BIT Capital GmbH 2.45% 168,866 $82.8M
18 FengHe Fund Management Pte. Ltd. 2.40% 51,667 $25.3M
19 Atreides Management, LP 2.36% 688,521 $337.8M
20 Perkins Capital Management Inc 2.32% 6,300 $3.1M
21 Jericho Capital Asset Management L.P. 2.28% 561,513 $275.5M
22 Teza Capital Management LLC 2.24% 2,367 $1.2M
23 Forty-three Eighteen Advisors, LLC 2.20% 6,673 $3.3M
24 Peak Financial Advisors LLC 2.15% 10,570 $5.2M
25 Future Fund LLC 2.05% 14,548 $7.1M
Investor Ownership
History 		% of Portfolio Prev % Rank Conviction Avg Buy Price 13F Score™ 3Y / 7Y Sell Timing Shares Mkt Value Change Change % Source Quarter Filed

Frequently Asked Questions — Ciena Corp (CIEN)

What does the Smart Money Trend signal show for CIEN?

Buying streak — 7 quarters in a row: For 7 consecutive quarters, more hedge funds added CIEN than sold it. That's a consistent pattern of professional buying — not a one-time trade. When institutions keep buying quarter after quarter, it usually means they see a multi-year opportunity, not just a short-term momentum flip.

What is the institutional breadth score for CIEN?

Slight buying edge — 58% buying: Last quarter: 639 funds bought or added vs 464 that reduced or exited. It's nearly a 50/50 split — some institutions are convinced, others are taking profits. This mixed picture is normal near price highs.

What is the fund quality score for CIEN holders?

Elite ownership — 65% AUM from top-100 funds: 69 of 1076 holders are among the 100 largest funds by AUM, controlling 65% of total institutional value in CIEN. When the biggest players dominate the cap table, it signifies deep institutional support — since mega-funds deploy the most rigorous due diligence and capital.

How long have hedge funds held CIEN?

40% of holders stayed for 2+ years: 432 out of 1,082 hedge funds have held CIEN for over 2 years without selling. Long-term investors are generally harder to shake out during market stress, creating a stable ownership base that limits the risk of sudden capitulation.

Is it too late to buy Ciena Corp (CIEN) following the 2026 Q2 hedge fund 13F filings?

As of today, CIEN has moved +0.0% since the 2026 Q2 13F filing date (August 14, 2026), compared to +0.0% for the XLK sector ETF — an outperformance of +0.0%. Since the quarter end (June 30, 2026), CIEN has gained -9.7% vs -0.3% for XLK. The stock is tracking its sector benchmark closely. The signal remains fresh and the entry point is still near the fund's implied reference.

Where does this institutional ownership data come from?

All holdings data is sourced from SEC Form 13F filings, which institutional investment managers with over $100 million in assets are required to submit quarterly. Data is parsed directly from SEC EDGAR.

Disclaimer: The information on this page is for informational purposes only and does not constitute investment advice, a recommendation, or an offer to buy or sell any security. Institutional holdings data is sourced from SEC Form 13F filings and reflects positions as of the filing date. Past performance of any fund or portfolio is not indicative of future results. 13Foresight is not a registered investment adviser. Always conduct your own due diligence before making investment decisions.

Full history →