Whale Tracker

LEAN BEARISH

Whales showing caution on ON. Distribution signals outweigh accumulation. Short interest at 12.4% of float — moderate bearish positioning. Insiders are net buyers (393,502 shares bought vs 245,974 sold) — bullish conviction from management. Strong institutional ownership at 108.9% 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)

1.97

BEARISH

CALL VOLUME

4,014

PUT VOLUME

7,905

TOTAL VOLUME

11,919

UNUSUAL STRIKES

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

TypeStrikeExpiryVolOIRatio

PUT$1012026-06-26355844.4x

PUT$1112026-06-2610110.0x

PUT$1182026-07-02515.0x

PUT$1222026-06-183474.9x

PUT$1352026-06-12924.5x

CALL$1082026-06-12723.5x

CALL$1192026-06-121343.2x

CALL$1232026-06-1264203.2x

High Volume Contracts — Vol > 500 (3 contracts)

TypeStrikeExpiryVolume

PUT$1202026-07-173,197

PUT$1252026-07-172,086

CALL$1502026-06-12513

P/C OI RATIO

1.02

TOTAL OI

109,106

CALL OI

53,963

PUT OI

55,143

Put/Call volume ratio: 1.97 (bearish)
Total options volume: 11,919 (calls 4,014 / puts 7,905)
Top unusual: PUT $101.0 exp 2026-06-26 — vol/OI 44.4x
8 unusual strikes detected (3C / 5P)

👤 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.

62% BUY

38% SELL

SHARES BOUGHT (6m)

393,502

SHARES SOLD (6m)

245,974

NET INSIDER FLOW

+147,528

FORM 4 FILINGS (90d)

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

TypeInsiderSharesDate

GRANTMASCARENAS PAUL ANTHONY1,9862026-05-14

GRANTYAN CHRISTINE YINGLI1,9862026-05-14

GRANTWATERS GREGORY L1,9862026-05-14

GRANTCARTER SUSAN K1,9862026-05-14

GRANTKIDDOO BRUCE E1,9862026-05-14

GRANTDEITRICH THOMAS1,9862026-05-14

SELLTHAD TRENT60,0002026-04-24

SELLTHAD TRENT30,0002026-04-16

GRANTMASCARENAS PAUL ANTHONY1682026-04-02

SELLGOPALSWAMY SUDHIR6,1142026-03-13

Insider buying: 393,502 shares
Insider selling: 245,974 shares
11 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

108.9%

ACCUMULATION vs DISTRIBUTION

40% ACCUMULATING

60% DISTRIBUTING

NET SHARES FLOW

+27,677,299

FLOW SCORE

+0.28

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONVanguard Capital Management LLC6.54%NEW+12,816,599

★ NEW POSITIONVanguard Portfolio Management LLC5.12%NEW+10,031,280

★ NEW POSITIONJPMORGAN CHASE & CO4.11%NEW+8,358,150

▲ ADDINGJanus Henderson Group PLC3.50%+10.9%+1,345,501

▬ HOLDGoldman Sachs Group Inc1.69%+4.7%+299,166

▬ HOLDGeode Capital Management, LLC2.75%-2.2%-244,382

▬ HOLDBlackrock Inc.10.18%-1.2%-492,936

▬ HOLDState Street Corporation4.67%-2.9%-542,893

▬ HOLDFMR, LLC14.84%-2.0%-1,211,137

▼▼ HEAVY SELLSlate Path Capital, LP1.99%-25.6%-2,682,049

ETF & Mutual Fund Flow (0 adding / 1 selling)

ActionFundQoQ ΔShares Δ

▬ HOLDFidelity Select Portfolios-Select Semiconduct-1.0%-239,723

▼ TRIMMINGFidelity Select Portfolios-Technology Portfol-10.0%-1,829,493

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar-1.0%-125,148

▬ HOLDVANGUARD INDEX FUNDS-Vanguard 500 Index Fund-1.4%-141,106

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index F-2.8%-248,730

▬ HOLDJANUS INVESTMENT FUND-Janus Henderson Enterpr0.0%0

▬ HOLDiShares Trust-iShares Semiconductor ETF+3.4%+238,531

▬ HOLDiShares Trust-iShares Core S&P 500 ETF+0.6%+28,381

▬ HOLDFidelity Concord Street Trust-Fidelity 500 In+0.3%+17,611

▬ HOLDVANGUARD WORLD FUND-Vanguard Information Tech+2.5%+115,355

Institutional ownership: 108.9%
Smart money flow: 4 adding / 1 selling / 5 hold
Net shares added by institutions: +27,677,299
Biggest mover: Vanguard Capital Management LLC added 12,816,599 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

12.4%

DAYS TO COVER

2.6

SI CHANGE (MoM)

↑ 16.8%

SQUEEZE RISK

MODERATE

SHARES SHORT

35,104,463

PRIOR MONTH

30,061,462

FLOAT SHARES

390,194,493

AVG VOLUME

10,375,209

Elevated short interest — bears have a notable position. Watch for SI trend direction as the key signal.

Short interest: 12.4% of float
Days to cover: 2.6
Short interest MoM: ↑ 16.8%
Squeeze risk: MODERATE

📡 Data Sources 数据来源

Options Flow

BEARISH (80%)

Insider Trading

LEAN BULLISH (90%)

Smart Money Flow

LEAN BULLISH (75%)

Short Interest

BEARISH (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 12.4% of float
[dark_pool] Days to cover: 2.6
[institutional] Institutional ownership: 108.9%
[institutional] Smart money flow: 4 adding / 1 selling / 5 hold
[options_flow] Put/Call volume ratio: 1.97 (bearish)
[options_flow] Total options volume: 11,919 (calls 4,014 / puts 7,905)
[insider] Insider buying: 393,502 shares
[insider] Insider selling: 245,974 shares