Whale Tracker

LEAN BEARISH

Whales showing caution on COHR. Distribution signals outweigh accumulation. Insiders are net sellers (59,698 shares sold vs 13,440 bought) — management reducing exposure. Strong institutional ownership at 94.9% with 5 of 10 top holders actively accumulating this quarter.

Action Plan

Avoid new long positions until whale activity shifts
Insider selling suggests management has near-term concerns
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)

1.47

BEARISH

CALL VOLUME

7,560

PUT VOLUME

11,143

TOTAL VOLUME

18,703

UNUSUAL STRIKES

High Volume Contracts — Vol > 500 (2 contracts)

TypeStrikeExpiryVolume

PUT$3452026-05-15688

CALL$3702026-05-15627

P/C OI RATIO

10.09

TOTAL OI

377

CALL OI

PUT OI

343

Put/Call volume ratio: 1.47 (bearish)
Total options volume: 18,703 (calls 7,560 / puts 11,143)

👤 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.

18% BUY

82% SELL

SHARES BOUGHT (6m)

13,440

SHARES SOLD (6m)

59,698

NET INSIDER FLOW

-46,258

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

GRANTDIGIROLOMO ENRICO2792026-02-11

GRANTHATTER PATRICIA2792026-02-11

GRANTNEAL-GRAVES LISA2792026-02-11

Insider buying: 13,440 shares
Insider selling: 59,698 shares
19 Form 4 filings in last 90 days
Net insider SELLING — bearish 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

94.9%

ACCUMULATION vs DISTRIBUTION

50% ACCUMULATING

50% DISTRIBUTING

NET SHARES FLOW

+28,688,266

FLOW SCORE

+0.56

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONVanguard Capital Management LLC6.23%NEW+6,089,804

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

★ NEW POSITIONVanguard Portfolio Management LLC4.84%NEW+4,729,800

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

▲▲ 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

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

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

ETF & Mutual Fund Flow (3 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

▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P +3.0%+66,091

▬ 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: 94.9%
Smart money flow: 5 adding / 2 selling / 3 hold
Net shares added by institutions: +28,688,266
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

7,584,183

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

BEARISH (90%)

Smart Money Flow

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: 94.9%
[institutional] Smart money flow: 5 adding / 2 selling / 3 hold
[options_flow] Put/Call volume ratio: 1.47 (bearish)
[options_flow] Total options volume: 18,703 (calls 7,560 / puts 11,143)
[insider] Insider buying: 13,440 shares
[insider] Insider selling: 59,698 shares