Whale Tracker

LEAN BULLISH

Net positive whale activity for ON. Smart money shows interest, but signals are mixed. Short interest at 11.0% 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

Consider building a position on pullbacks
Set stop-loss below key support level
Re-evaluate if insider selling accelerates

📈 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)

0.53

BULLISH

CALL VOLUME

7,728

PUT VOLUME

4,129

TOTAL VOLUME

11,857

UNUSUAL STRIKES

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

TypeStrikeExpiryVolOIRatio

CALL$1132026-06-264811048.1x

PUT$992026-06-12211635.2x

PUT$902026-06-125914712.6x

CALL$1212026-06-2620210.0x

PUT$1062026-06-1896128.0x

CALL$1212026-07-10818.0x

PUT$1072026-06-18407656.3x

PUT$942026-06-12129245.4x

CALL$1212026-07-02515.0x

CALL$1292026-07-102063.3x

High Volume Contracts — Vol > 500 (3 contracts)

TypeStrikeExpiryVolume

CALL$1292026-06-122,074

CALL$1322026-06-122,074

PUT$902026-06-12591

P/C OI RATIO

0.94

TOTAL OI

119,417

CALL OI

61,486

PUT OI

57,931

Put/Call volume ratio: 0.53 (bullish)
Total options volume: 11,857 (calls 7,728 / puts 4,129)
Top unusual: CALL $113.0 exp 2026-06-26 — vol/OI 48.1x
10 unusual strikes detected (5C / 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

GRANTCARTER SUSAN K1,9862026-05-14

GRANTKIDDOO BRUCE E1,9862026-05-14

GRANTWATERS GREGORY L1,9862026-05-14

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

11.0%

DAYS TO COVER

2.4

SI CHANGE (MoM)

↑ 7.1%

SQUEEZE RISK

MODERATE

SHARES SHORT

31,242,240

PRIOR MONTH

29,179,952

FLOAT SHARES

390,194,493

AVG VOLUME

10,879,641

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

Short interest: 11.0% of float
Days to cover: 2.4
Short interest MoM: ↑ 7.1%
Squeeze risk: MODERATE

📡 Data Sources 数据来源

Options Flow

BULLISH (80%)

Insider Trading

LEAN BULLISH (90%)

Smart Money Flow

LEAN BULLISH (75%)

Short Interest

LEAN BEARISH (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 11.0% of float
[dark_pool] Days to cover: 2.4
[institutional] Institutional ownership: 108.9%
[institutional] Smart money flow: 4 adding / 1 selling / 5 hold
[options_flow] Put/Call volume ratio: 0.53 (bullish)
[options_flow] Total options volume: 11,857 (calls 7,728 / puts 4,129)
[insider] Insider buying: 393,502 shares
[insider] Insider selling: 245,974 shares