Whale Tracker

NEUTRAL — WATCH

No clear whale direction for MSTR. Bullish and bearish signals roughly cancel out. Short interest at 12.3% of float — moderate bearish positioning. Insiders are net buyers (59,649 shares bought vs 38,545 sold) — bullish conviction from management. Strong institutional ownership at 63.9% 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)

0.82

NEUTRAL

CALL VOLUME

169,177

PUT VOLUME

138,969

TOTAL VOLUME

308,146

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$1702026-05-2215,747

CALL$1802026-05-229,552

PUT$82026-06-188,158

CALL$1652026-05-228,065

CALL$1852026-05-227,885

PUT$1602026-05-227,765

PUT$72026-06-187,500

PUT$1652026-05-227,332

CALL$1902026-05-226,945

CALL$1952026-05-226,889

P/C OI RATIO

0.25

TOTAL OI

7,044

CALL OI

5,622

PUT OI

1,422

Put/Call volume ratio: 0.82 (bullish)
Total options volume: 308,146 (calls 169,177 / puts 138,969)
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.

61% BUY

39% SELL

SHARES BOUGHT (6m)

59,649

SHARES SOLD (6m)

38,545

NET INSIDER FLOW

+21,104

FORM 4 FILINGS (90d)

Recent Insider Transactions (0 buys / 10 sells / 0 grants)

TypeInsiderSharesDate

SELLPATTEN JARROD MICHAEL3,7502026-05-11

SELLPATTEN JARROD MICHAEL2,0002026-05-04

SELLPATTEN JARROD MICHAEL4,0002026-05-01

SELLPATTEN JARROD MICHAEL2,0002026-04-22

SELLPATTEN JARROD MICHAEL2,0002026-04-21

SELLPATTEN JARROD MICHAEL3,4002026-04-13

SELLPATTEN JARROD MICHAEL1,9002026-04-09

SELLPATTEN JARROD MICHAEL2,1002026-04-08

SELLPATTEN JARROD MICHAEL1,4002026-04-01

SELLPATTEN JARROD MICHAEL7002026-03-30

Insider buying: 59,649 shares
Insider selling: 38,545 shares
23 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

63.9%

ACCUMULATION vs DISTRIBUTION

100% ACCUMULATING

NET SHARES FLOW

+35,921,974

FLOW SCORE

+0.74

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

★ NEW POSITIONAmundi1.45%NEW+3,779,343

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

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

▲ ADDINGMorgan Stanley2.84%+11.5%+963,710

▲ 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

ETF & Mutual Fund Flow (4 adding / 1 selling)

ActionFundQoQ ΔShares Δ

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

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

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+1.3%+106,347

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

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

★ NEW POSIVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index FNEW+1,456,461

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Extended Market+2.1%+59,899

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

▼▼ HEAVY SEVANGUARD INDEX FUNDS-Vanguard Growth Index Fu-41.9%-1,285,059

▲ ADDINGFidelity Concord Street Trust-Fidelity Extend+18.5%+260,017

Institutional ownership: 63.9%
Smart money flow: 10 adding / 0 selling / 0 hold
Net shares added by institutions: +35,921,974
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

12.3%

DAYS TO COVER

2.2

SI CHANGE (MoM)

↑ 13.6%

SQUEEZE RISK

MODERATE

SHARES SHORT

40,778,552

PRIOR MONTH

35,883,788

FLOAT SHARES

329,999,239

AVG VOLUME

19,020,344

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

Short interest: 12.3% of float
Days to cover: 2.2
Short interest MoM: ↑ 13.6%
Squeeze risk: MODERATE

📡 Data Sources 数据来源

Options Flow

NEUTRAL (80%)

Insider Trading

LEAN BULLISH (90%)

Smart Money Flow

BULLISH (75%)

Short Interest

BEARISH (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 12.3% of float
[dark_pool] Days to cover: 2.2
[institutional] Institutional ownership: 63.9%
[institutional] Smart money flow: 10 adding / 0 selling / 0 hold
[options_flow] Put/Call volume ratio: 0.82 (bullish)
[options_flow] Total options volume: 308,146 (calls 169,177 / puts 138,969)
[insider] Insider buying: 59,649 shares
[insider] Insider selling: 38,545 shares