Whale Tracker

LEAN BEARISH

Whales showing caution on COHR. Distribution signals outweigh accumulation. Insiders are net sellers (25,920 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)

1.6

BEARISH

CALL VOLUME

12,227

PUT VOLUME

19,618

TOTAL VOLUME

31,845

UNUSUAL STRIKES

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

TypeStrikeExpiryVolOIRatio

CALL$5702026-07-0248148.0x

CALL$6202026-07-1048148.0x

PUT$3022026-06-2628128.0x

PUT$3702026-07-173,41513525.3x

PUT$4452026-07-0220120.0x

CALL$4702026-07-172,57514717.5x

PUT$3552026-07-102051217.1x

PUT$6502026-07-1017117.0x

CALL$6002026-07-1033216.5x

CALL$6002026-07-0215115.0x

High Volume Contracts — Vol > 500 (8 contracts)

TypeStrikeExpiryVolume

PUT$2802026-07-173,584

PUT$3702026-07-173,415

CALL$4702026-07-172,575

CALL$5502026-07-171,230

CALL$5302026-07-17816

PUT$1952026-07-17752

PUT$3202026-07-17554

CALL$4502026-06-18514

P/C OI RATIO

1.06

TOTAL OI

119,073

CALL OI

57,826

PUT OI

61,247

Put/Call volume ratio: 1.6 (bearish)
Total options volume: 31,845 (calls 12,227 / puts 19,618)
Top unusual: CALL $570.0 exp 2026-07-02 — vol/OI 48.0x
33 unusual strikes detected (14C / 19P)

👤 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.

32% BUY

68% SELL

SHARES BOUGHT (6m)

12,440

SHARES SOLD (6m)

25,920

NET INSIDER FLOW

-13,480

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: 25,920 shares
5 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

194,899,804

AVG VOLUME

7,103,539

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

NEUTRAL (85%)

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: 1.6 (bearish)
[options_flow] Total options volume: 31,845 (calls 12,227 / puts 19,618)
[insider] Insider buying: 12,440 shares
[insider] Insider selling: 25,920 shares