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 89.5% 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)

2.18

BEARISH

CALL VOLUME

6,421

PUT VOLUME

13,987

TOTAL VOLUME

20,408

UNUSUAL STRIKES

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

TypeStrikeExpiryVolOIRatio

PUT$4082026-06-265001500.0x

PUT$4182026-06-18151275.5x

CALL$5802026-07-1072418.0x

PUT$4302026-07-173001717.6x

CALL$3852026-07-2412112.0x

CALL$3922026-06-2623211.5x

CALL$6302026-07-1084108.4x

CALL$4082026-06-263248.0x

CALL$3922026-07-02818.0x

CALL$6102026-07-102337.7x

High Volume Contracts — Vol > 500 (7 contracts)

TypeStrikeExpiryVolume

PUT$4002026-07-171,194

PUT$3602026-06-261,044

PUT$1952026-07-17752

PUT$3702026-06-18576

PUT$4102026-07-17536

CALL$4502026-06-18527

PUT$4502026-07-17503

P/C OI RATIO

1.18

TOTAL OI

133,041

CALL OI

61,105

PUT OI

71,936

Put/Call volume ratio: 2.18 (bearish)
Total options volume: 20,408 (calls 6,421 / puts 13,987)
Top unusual: PUT $407.5 exp 2026-06-26 — vol/OI 500.0x
25 unusual strikes detected (13C / 12P)

👤 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

89.5%

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: 89.5%
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

7,087,546

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: 89.5%
[institutional] Smart money flow: 8 adding / 0 selling / 2 hold
[options_flow] Put/Call volume ratio: 2.18 (bearish)
[options_flow] Total options volume: 20,408 (calls 6,421 / puts 13,987)
[insider] Insider buying: 12,440 shares
[insider] Insider selling: 25,920 shares