Whale Tracker

LEAN BULLISH

Net positive whale activity for MSFT. Smart money shows interest, but signals are mixed. Insiders are net sellers (70,262 shares sold vs 27,532 bought) — management reducing exposure. Strong institutional ownership at 75.9%, but 1 of 10 top holders are distributing.

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)

0.43

BULLISH

CALL VOLUME

201,779

PUT VOLUME

86,104

TOTAL VOLUME

287,883

UNUSUAL STRIKES

Unusual Strikes — Vol/OI > 3x (6C / 4P)

TypeStrikeExpiryVolOIRatio

CALL$4202026-05-0611,42438130.0x

PUT$4122026-05-041,8246229.4x

CALL$4182026-05-061,6425728.8x

PUT$4122026-05-083,14512225.8x

CALL$4182026-05-047,74956513.7x

CALL$4152026-05-0410,37876613.5x

CALL$4122026-05-045,02445511.0x

PUT$4202026-05-042,25620710.9x

CALL$4222026-05-043,4343669.4x

PUT$3952026-05-062,1122378.9x

High Volume Contracts — Vol > 500 (10 contracts)

TypeStrikeExpiryVolume

CALL$4202026-05-0412,981

CALL$4202026-05-0611,424

CALL$4152026-05-0410,378

CALL$4182026-05-047,749

CALL$4202026-05-087,073

PUT$4102026-05-046,895

CALL$4252026-05-046,316

CALL$4502026-05-155,304

CALL$4302026-05-085,250

CALL$4202026-05-155,233

P/C OI RATIO

0.53

TOTAL OI

730,076

CALL OI

478,438

PUT OI

251,638

Put/Call volume ratio: 0.43 (bullish)
Total options volume: 287,883 (calls 201,779 / puts 86,104)
Top unusual: CALL $420.0 exp 2026-05-06 — vol/OI 30.0x
33 unusual strikes detected (18C / 15P)

👤 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.

28% BUY

72% SELL

SHARES BOUGHT (6m)

27,532

SHARES SOLD (6m)

70,262

NET INSIDER FLOW

-42,730

FORM 4 FILINGS (90d)

Recent Insider Transactions (1 buys / 2 sells / 7 grants)

TypeInsiderSharesDate

SELLHOGAN KATHLEEN T12,3202026-03-06

BUYSTANTON JOHN W.5,0002026-02-18

GRANTLIST TERI1452026-01-30

GRANTMASON MARK A.L.1452026-01-30

GRANTSTANTON JOHN W.1452026-01-30

GRANTSCHARF CHARLES W1452026-01-30

SELLNUMOTO TAKESHI2,8502025-12-04

GRANTLIST TERI1302025-12-04

GRANTMASON MARK A.L.1302025-12-04

GRANTSTANTON JOHN W.1302025-12-04

Insider buying: 27,532 shares
Insider selling: 70,262 shares
31 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

75.9%

ACCUMULATION vs DISTRIBUTION

100% DISTRIBUTING

NET SHARES FLOW

-145,141,947

FLOW SCORE

-0.05

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

▬ HOLDVanguard Group Inc9.67%+2.3%+15,935,559

▬ HOLDBlackrock Inc.8.11%+1.7%+10,061,216

▬ HOLDState Street Corporation4.12%+2.1%+6,385,007

▬ HOLDNORGES BANK1.41%+3.2%+3,248,410

▬ HOLDCapital International Investors1.10%+2.8%+2,191,277

▬ HOLDGeode Capital Management, LLC2.46%+1.1%+1,915,451

▬ HOLDMorgan Stanley1.63%+0.8%+985,924

▬ HOLDPrice (T.Rowe) Associates Inc1.69%-4.9%-6,463,227

▬ HOLDFMR, LLC2.71%-4.5%-9,534,910

▼▼ HEAVY SELLJPMORGAN CHASE & CO1.99%-53.5%-169,866,654

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

ActionFundQoQ ΔShares Δ

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar-0.2%-397,751

▬ HOLDVANGUARD INDEX FUNDS-Vanguard 500 Index Fund+2.2%+4,016,548

▬ HOLDiShares Trust-iShares Core S&P 500 ETF+0.7%+701,146

▬ HOLDFidelity Concord Street Trust-Fidelity 500 In+0.2%+160,523

▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P -1.5%-1,346,786

▲ ADDINGVANGUARD INDEX FUNDS-Vanguard Growth Index Fu+9.6%+6,787,142

▬ HOLDInvesco QQQ Trust, Series 1-1.1%-607,060

▬ HOLDVANGUARD INSTITUTIONAL INDEX FUNDS-Vanguard I-1.6%-675,938

▬ HOLDVANGUARD WORLD FUND-Vanguard Information Tech+2.5%+830,425

▬ HOLDGROWTH FUND OF AMERICA-0.6%-188,671

Institutional ownership: 75.9%
Smart money flow: 0 adding / 1 selling / 9 hold
Net shares removed by institutions: -145,141,947
Biggest mover: JPMORGAN CHASE & CO sold 169,866,654 shares (-53.5%)

🕶 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

1.1%

DAYS TO COVER

2.5

SI CHANGE (MoM)

↑ 4.5%

SQUEEZE RISK

MINIMAL

SHARES SHORT

83,407,242

PRIOR MONTH

79,835,909

FLOAT SHARES

7,417,589,189

AVG VOLUME

36,309,274

Short interest: 1.1% of float
Days to cover: 2.5
Short interest MoM: ↑ 4.5%
Squeeze risk: MINIMAL

📡 Data Sources 数据来源

Options Flow

BULLISH (80%)

Insider Trading

BEARISH (90%)

Smart Money Flow

NEUTRAL (75%)

Short Interest

NEUTRAL (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 1.1% of float
[dark_pool] Days to cover: 2.5
[institutional] Institutional ownership: 75.9%
[institutional] Smart money flow: 0 adding / 1 selling / 9 hold
[options_flow] Put/Call volume ratio: 0.43 (bullish)
[options_flow] Total options volume: 287,883 (calls 201,779 / puts 86,104)
[insider] Insider buying: 27,532 shares
[insider] Insider selling: 70,262 shares