Whale Tracker

LEAN BEARISH

Whales showing caution on COHR. Distribution signals outweigh accumulation. Insiders are net buyers (7,777,412 shares bought vs 7,569,418 sold) — bullish conviction from management. Strong institutional ownership at 96.7% with 4 of 10 top holders actively accumulating this quarter.

Action Plan

Avoid new long positions until whale activity shifts
Consider trimming if position size is large
Set alerts for insider buying or SI decrease as reversal signals

📈 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)

1.81

BEARISH

CALL VOLUME

6,577

PUT VOLUME

11,894

TOTAL VOLUME

18,471

UNUSUAL STRIKES

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

TypeStrikeExpiryVolOIRatio

PUT$1602026-05-29102334.0x

CALL$1402026-05-2233133.0x

PUT$3282026-05-158525116.7x

CALL$4502026-05-2920210.0x

PUT$3152026-05-22524539.9x

CALL$3702026-06-058799.7x

CALL$4002026-05-29678768.9x

PUT$1852026-05-29166208.3x

CALL$3682026-05-152137.0x

PUT$3902026-05-151326.5x

High Volume Contracts — Vol > 500 (7 contracts)

TypeStrikeExpiryVolume

PUT$2902026-05-151,353

PUT$3282026-05-15852

PUT$3202026-05-15694

CALL$4002026-05-29678

PUT$3152026-05-22524

PUT$3302026-05-15509

PUT$2902026-06-05503

P/C OI RATIO

0.88

TOTAL OI

92,070

CALL OI

48,909

PUT OI

43,161

Put/Call volume ratio: 1.81 (bearish)
Total options volume: 18,471 (calls 6,577 / puts 11,894)
Top unusual: PUT $160.0 exp 2026-05-29 — vol/OI 34.0x
26 unusual strikes detected (13C / 13P)

👤 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.

51% BUY

49% SELL

SHARES BOUGHT (6m)

7,777,412

SHARES SOLD (6m)

7,569,418

NET INSIDER FLOW

+207,994

FORM 4 FILINGS (90d)

Recent Insider Transactions (0 buys / 7 sells / 3 grants)

TypeInsiderSharesDate

SELLLUTHER SHERRI R2,0002026-04-22

SELLXIA HOWARD H4,2402026-03-17

SELLENG JULIE SHERIDAN1,4542026-03-10

SELLSKAGGS STEPHEN ANDREW3,5232026-03-09

SELLDIGIROLOMO ENRICO3,9112026-03-06

SELLENG JULIE SHERIDAN2,7922026-03-02

SELLLUTHER SHERRI R4,0002026-02-12

GRANTVIJ SANDEEP S2792026-02-11

GRANTSADASIVAM SHAKER2792026-02-11

GRANTXIA HOWARD H2792026-02-11

Insider buying: 7,777,412 shares
Insider selling: 7,569,418 shares
19 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

96.7%

ACCUMULATION vs DISTRIBUTION

40% ACCUMULATING

60% DISTRIBUTING

NET SHARES FLOW

+19,881,283

FLOW SCORE

+0.36

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONBain Capital Investors Llc5.00%NEW+4,887,923

★ NEW POSITIONJane Street Group, LLC1.83%NEW+3,509,545

★ NEW POSITIONWT Asset Management Ltd1.37%NEW+2,183,759

▲▲ HEAVY BUYFMR, LLC12.07%+83.7%+10,755,458

▬ HOLDBlackrock Inc.7.39%+1.6%+229,020

▬ HOLDGeode Capital Management, LLC1.43%+2.1%+57,991

▬ HOLDState Street Corporation2.41%+0.2%+11,292

▬ HOLDVanguard Group Inc8.24%-1.1%-171,138

▼ TRIMMINGPoint72 Asset Management, L.P.1.71%-14.4%-563,969

▼ TRIMMINGInvesco Ltd.2.75%-15.9%-1,018,598

ETF & Mutual Fund Flow (4 adding / 2 selling)

ActionFundQoQ ΔShares Δ

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+0.8%+39,215

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Small-Cap Index-3.4%-126,660

★ NEW POSIiShares Trust-iShares Core S&P 500 ETFNEW+1,204,765

★ NEW POSIFidelity Concord Street Trust-Fidelity 500 InNEW+1,197,144

★ NEW POSISPDR S&P 500 ETF TRUST-State Street SPDR S&P NEW+1,087,052

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Small-Cap Growt-2.6%-53,931

▲ ADDINGVANGUARD WORLD FUND-Vanguard Information Tech+11.3%+175,627

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Extended Market+1.8%+29,621

▼▼ HEAVY SEAIM Sector Funds (Invesco Sector Funds)-INVES-26.5%-604,741

▼ TRIMMINGFidelity Mt. Vernon Street Trust-Fidelity Gro-7.1%-126,011

Institutional ownership: 96.7%
Smart money flow: 4 adding / 2 selling / 4 hold
Net shares added by institutions: +19,881,283
Biggest mover: FMR, LLC added 10,755,458 shares (+83.7%)

🕶 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

6.1%

DAYS TO COVER

1.1

SI CHANGE (MoM)

↑ 18.5%

SQUEEZE RISK

LOW

SHARES SHORT

9,670,377

PRIOR MONTH

8,160,225

FLOAT SHARES

194,089,858

AVG VOLUME

7,468,904

Short interest: 6.1% of float
Days to cover: 1.1
Short interest MoM: ↑ 18.5%
Squeeze risk: LOW

📡 Data Sources 数据来源

Options Flow

BEARISH (80%)

Insider Trading

LEAN BULLISH (90%)

Smart Money Flow

LEAN BULLISH (75%)

Short Interest

LEAN BEARISH (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 6.1% of float
[dark_pool] Days to cover: 1.1
[institutional] Institutional ownership: 96.7%
[institutional] Smart money flow: 4 adding / 2 selling / 4 hold
[options_flow] Put/Call volume ratio: 1.81 (bearish)
[options_flow] Total options volume: 18,471 (calls 6,577 / puts 11,894)
[insider] Insider buying: 7,777,412 shares
[insider] Insider selling: 7,569,418 shares