Whale Tracker

LEAN BEARISH

Whales showing caution on COHR. Distribution signals outweigh accumulation. Insiders are net sellers (40,920 shares sold vs 12,440 bought) — management reducing exposure. Strong institutional ownership at 89.4% with 8 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)

1.33

BEARISH

CALL VOLUME

7,343

PUT VOLUME

9,754

TOTAL VOLUME

17,097

UNUSUAL STRIKES

Unusual Strikes — Vol/OI > 3x (3C / 7P)

TypeStrikeExpiryVolOIRatio

PUT$1702026-06-1225125.0x

CALL$4182026-06-2622122.0x

PUT$1952026-07-177524716.0x

PUT$3722026-06-1857511.4x

PUT$5002026-06-125068.3x

PUT$2152026-07-1080117.3x

CALL$3702026-06-26209326.5x

PUT$2002026-06-1251105.1x

PUT$3552026-07-104394.8x

CALL$4282026-06-12133294.6x

High Volume Contracts — Vol > 500 (4 contracts)

TypeStrikeExpiryVolume

PUT$1652026-06-181,003

PUT$2402026-07-17856

PUT$1952026-07-17752

CALL$5002026-07-17511

P/C OI RATIO

1.12

TOTAL OI

132,092

CALL OI

62,185

PUT OI

69,907

Put/Call volume ratio: 1.33 (bearish)
Total options volume: 17,097 (calls 7,343 / puts 9,754)
Top unusual: PUT $170.0 exp 2026-06-12 — vol/OI 25.0x
19 unusual strikes detected (5C / 14P)

👤 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.

23% BUY

77% SELL

SHARES BOUGHT (6m)

12,440

SHARES SOLD (6m)

40,920

NET INSIDER FLOW

-28,480

FORM 4 FILINGS (90d)

Recent Insider Transactions (0 buys / 9 sells / 1 grants)

TypeInsiderSharesDate

SELLLUTHER SHERRI R2,0002026-05-12

SELLXIA HOWARD H2,0002026-05-11

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

GRANTSKAGGS STEPHEN ANDREW2792026-02-11

Insider buying: 12,440 shares
Insider selling: 40,920 shares
6 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

89.4%

ACCUMULATION vs DISTRIBUTION

80% ACCUMULATING

20% DISTRIBUTING

NET SHARES FLOW

+24,139,503

FLOW SCORE

+0.54

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

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

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

★ NEW POSITIONNvidia Corp3.98%NEW+3,894,080

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

▲▲ HEAVY BUYState Street Corporation3.96%+64.3%+3,031,341

▲▲ HEAVY BUYGeode Capital Management, LLC2.68%+87.5%+2,444,783

▲▲ HEAVY BUYInvesco Ltd.3.43%+24.9%+1,335,815

▲▲ HEAVY BUYMorgan Stanley1.41%+46.8%+878,109

▬ HOLDBlackrock Inc.7.64%+3.5%+498,673

▬ HOLDFMR, LLC11.58%-4.0%-946,661

ETF & Mutual Fund Flow (5 adding / 2 selling)

ActionFundQoQ ΔShares Δ

▲▲ HEAVY BUVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+20.5%+1,011,957

★ NEW POSIVANGUARD INDEX FUNDS-Vanguard 500 Index FundNEW+2,385,775

▬ HOLDiShares Trust-iShares Core S&P 500 ETF+0.6%+14,223

▬ HOLDFidelity Concord Street Trust-Fidelity 500 In+0.3%+8,379

▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P +2.5%+55,703

▼▼ HEAVY SEVANGUARD INDEX FUNDS-Vanguard Small-Cap Index-39.4%-1,404,725

★ NEW POSIVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index FNEW+1,012,234

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

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

▲▲ HEAVY BUFidelity Select Portfolios-Select Semiconduct+35.7%+400,819

Institutional ownership: 89.4%
Smart money flow: 8 adding / 0 selling / 2 hold
Net shares added by institutions: +24,139,503
Biggest mover: Vanguard Capital Management LLC added 6,089,804 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

4.7%

DAYS TO COVER

1.2

SI CHANGE (MoM)

↑ 2.3%

SQUEEZE RISK

MINIMAL

SHARES SHORT

7,842,738

PRIOR MONTH

7,665,383

FLOAT SHARES

194,890,022

AVG VOLUME

7,068,804

Short interest: 4.7% of float
Days to cover: 1.2
Short interest MoM: ↑ 2.3%
Squeeze risk: MINIMAL

📡 Data Sources 数据来源

Options Flow

BEARISH (80%)

Insider Trading

BEARISH (88%)

Smart Money Flow

BULLISH (75%)

Short Interest

NEUTRAL (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 4.7% of float
[dark_pool] Days to cover: 1.2
[institutional] Institutional ownership: 89.4%
[institutional] Smart money flow: 8 adding / 0 selling / 2 hold
[options_flow] Put/Call volume ratio: 1.33 (bearish)
[options_flow] Total options volume: 17,097 (calls 7,343 / puts 9,754)
[insider] Insider buying: 12,440 shares
[insider] Insider selling: 40,920 shares