Whale Tracker

LEAN BULLISH

Net positive whale activity for MSTR. Smart money shows interest, but signals are mixed. Short interest at 11.4% of float — moderate bearish positioning. Insiders are net buyers (375,765 shares bought vs 209,421 sold) — bullish conviction from management. Strong institutional ownership at 64.0% with 9 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)

0.7

LEAN BULLISH

CALL VOLUME

230,780

PUT VOLUME

160,414

TOTAL VOLUME

391,194

UNUSUAL STRIKES

Unusual Strikes — Vol/OI > 3x (8C / 2P)

TypeStrikeExpiryVolOIRatio

PUT$2752026-06-181001100.0x

CALL$552026-07-10288557.6x

CALL$1072026-06-2652152.0x

CALL$1232026-06-187,84633523.4x

CALL$1432026-07-025663118.3x

CALL$1272026-06-1212,08476815.7x

CALL$1052026-07-021501113.6x

PUT$9002026-06-1813113.0x

CALL$452026-06-1210110.0x

CALL$1162026-06-123,2803629.1x

High Volume Contracts — Vol > 500 (10 contracts)

TypeStrikeExpiryVolume

CALL$1302026-06-1813,644

CALL$1272026-06-1212,084

CALL$1252026-06-1210,789

CALL$1202026-06-1210,183

PUT$1102026-06-129,898

CALL$1332026-06-129,347

PUT$2202026-06-189,188

PUT$1152026-06-128,678

CALL$1232026-06-187,846

PUT$72026-06-187,500

P/C OI RATIO

1.05

TOTAL OI

1,676,421

CALL OI

815,898

PUT OI

860,523

Put/Call volume ratio: 0.7 (bullish)
Total options volume: 391,194 (calls 230,780 / puts 160,414)
Top unusual: PUT $275.0 exp 2026-06-18 — vol/OI 100.0x
51 unusual strikes detected (32C / 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.

64% BUY

36% SELL

SHARES BOUGHT (6m)

375,765

SHARES SOLD (6m)

209,421

NET INSIDER FLOW

+166,344

FORM 4 FILINGS (90d)

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

TypeInsiderSharesDate

SELLMONTGOMERY JEANINE J.3542026-06-09

SELLKANG ANDREW1,9492026-06-09

SELLLE PHONG QUOC5,5222026-06-09

SELLKANG ANDREW33,0622026-06-05

SELLLE PHONG QUOC93,7382026-06-05

SELLPATTEN JARROD MICHAEL22,3002026-05-29

SELLPATTEN JARROD MICHAEL1,2502026-05-26

Insider buying: 375,765 shares
Insider selling: 209,421 shares
40 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

64.0%

ACCUMULATION vs DISTRIBUTION

90% ACCUMULATING

10% DISTRIBUTING

NET SHARES FLOW

+32,455,067

FLOW SCORE

+0.70

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONVanguard Portfolio Management LLC4.46%NEW+7,370,853

★ NEW POSITIONVanguard Capital Management LLC4.26%NEW+7,038,756

▲▲ HEAVY BUYCapital International Investors9.50%+52.5%+10,826,916

▲▲ HEAVY BUYBlackrock Inc.5.37%+21.5%+3,146,443

▲▲ HEAVY BUYCapital World Investors1.29%+47.1%+1,370,891

▲ ADDINGState Street Corporation2.12%+14.6%+893,394

▲ ADDINGGeode Capital Management, LLC1.41%+19.0%+744,359

▲ ADDINGCapital Research Global Investors2.30%+8.7%+606,957

▲ ADDINGUBS Group AG1.91%+9.6%+551,243

▬ HOLDMorgan Stanley2.81%-1.0%-94,745

ETF & Mutual Fund Flow (7 adding / 0 selling)

ActionFundQoQ ΔShares Δ

▬ HOLDGROWTH FUND OF AMERICA-0.7%-162,120

▲▲ HEAVY BUAMERICAN FUNDS FUNDAMENTAL INVESTORS+71.9%+4,322,970

▲ ADDINGVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+18.6%+1,560,923

★ NEW POSIVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index FNEW+3,870,749

▬ HOLDInvesco QQQ Trust, Series 1+1.6%+105,875

▲▲ HEAVY BUAMERICAN FUNDS INSURANCE SERIES-Growth Fund+55.9%+1,357,690

▲▲ HEAVY BUVANGUARD INDEX FUNDS-Vanguard Extended Market+21.3%+613,430

★ NEW POSIVANGUARD INDEX FUNDS-Vanguard Value Index FunNEW+1,674,052

★ NEW POSIVANGUARD INDEX FUNDS-Vanguard Mid-Cap Value INEW+1,209,057

▬ HOLDVANGUARD WORLD FUND-Vanguard Information Tech+2.7%+49,629

Institutional ownership: 64.0%
Smart money flow: 9 adding / 0 selling / 1 hold
Net shares added by institutions: +32,455,067
Biggest mover: Capital International Investors added 10,826,916 shares (+52.5%)

🕶 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

11.4%

DAYS TO COVER

2.5

SI CHANGE (MoM)

↓ 7.6%

SQUEEZE RISK

MODERATE

SHARES SHORT

37,684,181

PRIOR MONTH

40,778,552

FLOAT SHARES

330,030,779

AVG VOLUME

18,622,115

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

Short interest: 11.4% of float
Days to cover: 2.5
Short interest MoM: ↓ 7.6%
Squeeze risk: MODERATE

📡 Data Sources 数据来源

Options Flow

LEAN BULLISH (80%)

Insider Trading

LEAN BULLISH (90%)

Smart Money Flow

BULLISH (75%)

Short Interest

NEUTRAL (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 11.4% of float
[dark_pool] Days to cover: 2.5
[institutional] Institutional ownership: 64.0%
[institutional] Smart money flow: 9 adding / 0 selling / 1 hold
[options_flow] Put/Call volume ratio: 0.7 (bullish)
[options_flow] Total options volume: 391,194 (calls 230,780 / puts 160,414)
[insider] Insider buying: 375,765 shares
[insider] Insider selling: 209,421 shares