Whale Tracker

NEUTRAL — WATCH

No clear whale direction for MSTR. Bullish and bearish signals roughly cancel out. Short interest at 12.0% of float — moderate bearish positioning. Insiders are net buyers (97,149 shares bought vs 74,796 sold) — bullish conviction from management. Strong institutional ownership at 64.0% with 10 of 10 top holders actively accumulating this quarter.

Action Plan

Hold existing positions — no strong directional signal
Wait for clearer whale activity before adding
Monitor next earnings for institutional positioning changes

📈 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)

1.33

BEARISH

CALL VOLUME

200,598

PUT VOLUME

266,733

TOTAL VOLUME

467,331

UNUSUAL STRIKES

Unusual Strikes — Vol/OI > 3x (1C / 2P)

TypeStrikeExpiryVolOIRatio

PUT$9002026-06-1813113.0x

CALL$12602026-06-18414.0x

PUT$9802026-06-18414.0x

High Volume Contracts — Vol > 500 (10 contracts)

TypeStrikeExpiryVolume

CALL$1652026-06-0521,479

CALL$1582026-06-0516,750

PUT$1302026-06-0516,262

PUT$1002026-06-1213,832

PUT$1202026-06-0510,559

CALL$1602026-06-0510,535

PUT$1102026-06-1210,245

CALL$1682026-06-0510,191

PUT$1002026-06-1810,172

PUT$1252026-06-059,822

P/C OI RATIO

0.26

TOTAL OI

6,825

CALL OI

5,403

PUT OI

1,422

Put/Call volume ratio: 1.33 (bearish)
Total options volume: 467,331 (calls 200,598 / puts 266,733)
Top unusual: PUT $900.0 exp 2026-06-18 — vol/OI 13.0x
3 unusual strikes detected (1C / 2P)

👤 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.

57% BUY

43% SELL

SHARES BOUGHT (6m)

97,149

SHARES SOLD (6m)

74,796

NET INSIDER FLOW

+22,353

FORM 4 FILINGS (90d)

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

TypeInsiderSharesDate

SELLPATTEN JARROD MICHAEL22,3002026-05-29

SELLPATTEN JARROD MICHAEL1,2502026-05-26

SELLPATTEN JARROD MICHAEL5,2502026-05-20

SELLKANG ANDREW5,5972026-05-19

SELLPATTEN JARROD MICHAEL1,5002026-05-14

SELLPATTEN JARROD MICHAEL3,7502026-05-11

Insider buying: 97,149 shares
Insider selling: 74,796 shares
35 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

100% ACCUMULATING

NET SHARES FLOW

+33,418,481

FLOW SCORE

+0.73

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

▲ ADDINGMorgan Stanley2.81%+10.3%+868,669

▲ 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

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: 10 adding / 0 selling / 0 hold
Net shares added by institutions: +33,418,481
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

12.0%

DAYS TO COVER

2.1

SI CHANGE (MoM)

↑ 6.3%

SQUEEZE RISK

MODERATE

SHARES SHORT

39,548,870

PRIOR MONTH

37,196,828

FLOAT SHARES

330,030,779

AVG VOLUME

18,083,683

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

Short interest: 12.0% of float
Days to cover: 2.1
Short interest MoM: ↑ 6.3%
Squeeze risk: MODERATE

📡 Data Sources 数据来源

Options Flow

BEARISH (80%)

Insider Trading

LEAN BULLISH (90%)

Smart Money Flow

BULLISH (75%)

Short Interest

LEAN BEARISH (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 12.0% of float
[dark_pool] Days to cover: 2.1
[institutional] Institutional ownership: 64.0%
[institutional] Smart money flow: 10 adding / 0 selling / 0 hold
[options_flow] Put/Call volume ratio: 1.33 (bearish)
[options_flow] Total options volume: 467,331 (calls 200,598 / puts 266,733)
[insider] Insider buying: 97,149 shares
[insider] Insider selling: 74,796 shares