Whale Tracker

STRONG BUY SIGNAL

Whales are aggressively accumulating CIEN. Multiple signals confirm institutional conviction. Insiders are net buyers (439,676 shares bought vs 234,143 sold) — bullish conviction from management. Strong institutional ownership at 97.9% with 6 of 10 top holders actively accumulating this quarter.

Action Plan

Consider building a position on pullbacks
Set stop-loss below key support level
Re-evaluate if insider selling accelerates

📈 Options Flow 期权异动

Unusual options volume vs open interest. High volume/OI ratio signals whale positioning. Put/Call ratio indicates directional bias.

PUT / CALL RATIO

0 (Bullish)1.02.0+ (Bearish)

0.3

BULLISH

CALL VOLUME

12,601

PUT VOLUME

3,820

TOTAL VOLUME

16,421

UNUSUAL STRIKES

Unusual Strikes — Vol/OI > 3x (9C / 1P)

TypeStrikeExpiryVolOIRatio

CALL$8302026-07-021021102.0x

CALL$6552026-06-26118259.0x

CALL$8502026-06-2648148.0x

CALL$5422026-06-2642221.0x

CALL$4802026-06-123,72220917.8x

CALL$8002026-06-2630310.0x

PUT$3602026-07-0210110.0x

CALL$9002026-07-025469.0x

CALL$6302026-06-266888.5x

CALL$8602026-06-26115167.2x

High Volume Contracts — Vol > 500 (1 contracts)

TypeStrikeExpiryVolume

CALL$4802026-06-123,722

P/C OI RATIO

0.91

TOTAL OI

59,352

CALL OI

31,061

PUT OI

28,291

Put/Call volume ratio: 0.3 (bullish)
Total options volume: 16,421 (calls 12,601 / puts 3,820)
Top unusual: CALL $830.0 exp 2026-07-02 — vol/OI 102.0x
26 unusual strikes detected (24C / 2P)

👤 Insider Trading 内部交易

SEC Form 4 filings — officer and director buys/sells in the last 90 days. Net buying is a strong bullish signal.

65% BUY

35% SELL

SHARES BOUGHT (6m)

439,676

SHARES SOLD (6m)

234,143

NET INSIDER FLOW

+205,533

FORM 4 FILINGS (90d)

Recent Insider Transactions (0 buys / 10 sells / 0 grants)

TypeInsiderSharesDate

SELLSMITH GARY BRIAN2,9522026-06-01

SELLGAGE BRODIE1,2002026-05-15

SELLROTHENSTEIN DAVID M.2,5002026-05-15

SELLSMITH GARY BRIAN2,9522026-05-15

SELLSMITH GARY BRIAN2,9522026-05-01

SELLGAGE BRODIE1,2002026-04-15

SELLDIPERNA DINO2,8292026-04-15

SELLROTHENSTEIN DAVID M.2,5002026-04-15

SELLSMITH GARY BRIAN2,9522026-04-15

SELLKOSARAJU SHEELA2,0122026-04-01

Insider buying: 439,676 shares
Insider selling: 234,143 shares
32 Form 4 filings in last 90 days
Net insider BUYING — bullish signal

🏦 Smart Money Flow 机构资金流向

Quarter-over-quarter position changes from 13F filings. Shows whether institutional investors are accumulating (buying more) or distributing (selling) — the strongest signal of whale conviction.

INSTITUTIONAL OWNERSHIP

97.9%

ACCUMULATION vs DISTRIBUTION

60% ACCUMULATING

40% DISTRIBUTING

NET SHARES FLOW

+9,359,673

FLOW SCORE

+0.26

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONVanguard Capital Management LLC6.48%NEW+4,584,677

★ NEW POSITIONVanguard Portfolio Management LLC5.21%NEW+3,684,562

★ NEW POSITIONCapital Research Global Investors1.94%NEW+1,375,025

▲▲ HEAVY BUYGeode Capital Management, LLC2.87%+51.3%+1,378,119

▲▲ HEAVY BUYState Street Corporation4.46%+23.6%+1,206,704

▲▲ HEAVY BUYPrice (T.Rowe) Associates Inc3.70%+29.4%+1,191,177

▬ HOLDFMR, LLC14.98%+0.4%+82,396

▼ TRIMMINGBank of America Corporation1.38%-9.7%-209,726

▼ TRIMMINGJPMORGAN CHASE & CO7.22%-5.9%-637,739

▼ TRIMMINGBlackrock Inc.9.45%-19.8%-3,295,522

ETF & Mutual Fund Flow (2 adding / 1 selling)

ActionFundQoQ ΔShares Δ

▬ HOLDFidelity Mt. Vernon Street Trust-Fidelity Gro-2.8%-189,632

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+1.2%+54,545

★ NEW POSIVANGUARD INDEX FUNDS-Vanguard 500 Index FundNEW+1,789,450

▲ ADDINGJPMorgan Trust II-JPMorgan Large Cap Growth F+15.6%+449,268

▬ HOLDFidelity Mt. Vernon Street Trust-Fidelity Gro-4.8%-93,769

▬ HOLDiShares Trust-iShares Core S&P 500 ETF+0.6%+10,505

▬ HOLDFidelity Concord Street Trust-Fidelity 500 In+0.3%+6,295

▬ HOLDFidelity Mt. Vernon Street Trust-Fidelity Ser-1.3%-22,623

▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P +2.6%+41,933

▼▼ HEAVY SEVANGUARD INDEX FUNDS-Vanguard Small-Cap Index-49.0%-1,569,497

Institutional ownership: 97.9%
Smart money flow: 6 adding / 3 selling / 1 hold
Net shares added by institutions: +9,359,673
Biggest mover: Vanguard Capital Management LLC added 4,584,677 shares (+100.0%)

🕶 Short Interest & Dark Pool 做空 & 暗池

Short interest as % of float and days-to-cover. Rising SI = bearish pressure. High SI + decreasing = shorts covering (bullish). Squeeze risk rated by SI level.

SHORT INTEREST (% OF FLOAT)

0%10%20%30%+

SHORT % FLOAT

5.0%

DAYS TO COVER

2.2

SI CHANGE (MoM)

↑ 3.2%

SQUEEZE RISK

LOW

SHARES SHORT

4,505,490

PRIOR MONTH

4,365,229

FLOAT SHARES

140,883,377

AVG VOLUME

2,725,651

Short interest: 5.0% of float
Days to cover: 2.2
Short interest MoM: ↑ 3.2%
Squeeze risk: LOW

📡 Data Sources 数据来源

Options Flow

BULLISH (80%)

Insider Trading

LEAN BULLISH (90%)

Smart Money Flow

LEAN BULLISH (75%)

Short Interest

NEUTRAL (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 5.0% of float
[dark_pool] Days to cover: 2.2
[institutional] Institutional ownership: 97.9%
[institutional] Smart money flow: 6 adding / 3 selling / 1 hold
[options_flow] Put/Call volume ratio: 0.3 (bullish)
[options_flow] Total options volume: 16,421 (calls 12,601 / puts 3,820)
[insider] Insider buying: 439,676 shares
[insider] Insider selling: 234,143 shares