Whale Tracker

LEAN BULLISH

Net positive whale activity for CLS. Smart money shows interest, but signals are mixed. Insiders are net buyers (1,820,625 shares bought vs 350,783 sold) — bullish conviction from management. Strong institutional ownership at 71.9% with 4 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)

0.94

NEUTRAL

CALL VOLUME

6,817

PUT VOLUME

6,387

TOTAL VOLUME

13,204

UNUSUAL STRIKES

Unusual Strikes — Vol/OI > 3x (5C / 5P)

TypeStrikeExpiryVolOIRatio

CALL$3152026-06-0543314.3x

CALL$4802026-06-1210110.0x

PUT$4802026-07-1710110.0x

PUT$3782026-06-052137.0x

CALL$3902026-06-057231076.8x

CALL$3852026-06-125596.1x

PUT$3722026-06-051226.0x

PUT$3552026-07-02616.0x

CALL$252026-06-181025.0x

PUT$5802026-06-181025.0x

High Volume Contracts — Vol > 500 (4 contracts)

TypeStrikeExpiryVolume

CALL$3902026-06-05723

CALL$4002026-06-18641

PUT$2902026-06-05630

CALL$3652026-06-05625

P/C OI RATIO

0.88

TOTAL OI

59,526

CALL OI

31,674

PUT OI

27,852

Put/Call volume ratio: 0.94 (bullish)
Total options volume: 13,204 (calls 6,817 / puts 6,387)
Top unusual: CALL $315.0 exp 2026-06-05 — vol/OI 14.3x
15 unusual strikes detected (8C / 7P)

👤 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.

84% BUY

16% SELL

SHARES BOUGHT (6m)

1,820,625

SHARES SOLD (6m)

350,783

NET INSIDER FLOW

+1,469,842

FORM 4 FILINGS (90d)

Recent Insider Transactions (0 buys / 7 sells / 0 grants)

TypeInsiderSharesDate

SELLWilson, Michael M.1,0312026-05-19

SELLWilson, Michael M.6472026-05-19

SELLWilson, Michael M.5612026-05-19

SELLWilson, Michael M.3652026-05-19

SELLWilson, Michael M.5722026-05-19

SELLWilson, Michael M.6422026-05-19

SELLWilson, Michael M.3502026-05-19

Insider buying: 1,820,625 shares
Insider selling: 350,783 shares
17 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

71.9%

ACCUMULATION vs DISTRIBUTION

40% ACCUMULATING

60% DISTRIBUTING

NET SHARES FLOW

+2,472,299

FLOW SCORE

+0.18

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONVanguard Capital Management LLC2.75%NEW+1,578,282

★ NEW POSITIONJane Street Group, LLC2.20%NEW+1,437,799

▲ ADDINGJPMORGAN CHASE & CO3.87%+10.8%+433,106

▲ ADDINGFranklin Resources, Inc.2.30%+16.0%+365,437

▬ HOLDFMR, LLC6.58%+2.0%+148,968

▬ HOLDConnor Clark & Lunn Investment Management Ltd1.45%+2.6%+41,983

▬ HOLDViking Global Investors, L.P.1.44%-2.6%-44,178

▼ TRIMMINGCIBC World Market, Inc.1.83%-7.2%-163,130

▼ TRIMMINGWhale Rock Capital Management LLC1.32%-19.4%-364,255

▼▼ HEAVY SELLArrowstreet Capital, Limited Partnership1.91%-30.5%-961,713

ETF & Mutual Fund Flow (3 adding / 2 selling)

ActionFundQoQ ΔShares Δ

▲ ADDINGFranklin Custodian Funds-FRANKLIN DYNATECH FU+5.3%+99,943

▬ HOLDFidelity Securities Fund-Fidelity Blue Chip G-1.6%-32,040

▬ HOLDJPMorgan Trust II-JPMorgan Large Cap Growth F-0.9%-15,508

▬ HOLDVANGUARD STAR FUNDS-Vanguard Total Internatio+0.8%+13,136

▬ HOLDVANGUARD TAX-MANAGED FUNDS-Vanguard Developed+2.0%+21,416

▲ ADDINGFidelity Advisor Series VIII-Fidelity Advisor+11.3%+96,514

▲ ADDINGBlackRock ETF Trust-iShares A.I. Innovation a+8.7%+52,330

▼ TRIMMINGSmallCap World Fund Inc-5.4%-34,032

▼ TRIMMINGDFA INVESTMENT DIMENSIONS GROUP INC-Intl Core-5.9%-35,771

▬ HOLDFidelity Concord Street Trust-Fidelity SAI Ca+2.7%+13,719

Institutional ownership: 71.9%
Smart money flow: 4 adding / 3 selling / 3 hold
Net shares added by institutions: +2,472,299
Biggest mover: Vanguard Capital Management LLC added 1,578,282 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

3.0%

DAYS TO COVER

1.4

SI CHANGE (MoM)

↑ 32.8%

SQUEEZE RISK

MINIMAL

SHARES SHORT

3,423,299

PRIOR MONTH

2,578,347

FLOAT SHARES

113,645,168

AVG VOLUME

2,120,406

Short interest: 3.0% of float
Days to cover: 1.4
Short interest MoM: ↑ 32.8%
Squeeze risk: MINIMAL

📡 Data Sources 数据来源

Options Flow

NEUTRAL (80%)

Insider Trading

BULLISH (90%)

Smart Money Flow

LEAN BULLISH (75%)

Short Interest

NEUTRAL (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 3.0% of float
[dark_pool] Days to cover: 1.4
[institutional] Institutional ownership: 71.9%
[institutional] Smart money flow: 4 adding / 3 selling / 3 hold
[options_flow] Put/Call volume ratio: 0.94 (bullish)
[options_flow] Total options volume: 13,204 (calls 6,817 / puts 6,387)
[insider] Insider buying: 1,820,625 shares
[insider] Insider selling: 350,783 shares