Whale Activity Tracker

WDC

Western Digital Corporation
2026-05-05 06:33
$442.36 +2.45% $152.5B
NEUTRAL — WATCH
No clear whale direction for WDC. Bullish and bearish signals roughly cancel out. Strong institutional ownership at 101.8%, but 2 of 10 top holders are distributing.
Action Plan
Options Flow
期权
NEUTRAL
1.09
Insider
内部交易
NEUTRAL
Smart Money
机构流向
LEAN BULLISH
20% accum
Short Interest
做空
NEUTRAL
8.9%
NEUTRAL
5.1/10
Whale Activity Rating
Distribution Neutral Accumulation
Options Flow: NEUTRAL
Institutional: LEAN BULLISH
Dark Pool: NEUTRAL
3/4 sources | Confidence: 72%
📈 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)
1.09
NEUTRAL
CALL VOLUME
20,079
PUT VOLUME
21,794
TOTAL VOLUME
41,873
UNUSUAL STRIKES
0
High Volume Contracts — Vol > 500 (10 contracts)
TypeStrikeExpiryVolume
CALL$4502026-05-082,024
CALL$5202026-05-151,438
PUT$4302026-06-051,006
CALL$4302026-05-08996
PUT$3652026-05-15951
CALL$4402026-06-05949
PUT$3902026-05-08940
CALL$5002026-05-08914
PUT$3952026-05-08908
PUT$4002026-05-08630
P/C OI RATIO
0.0
TOTAL OI
63
CALL OI
63
PUT OI
0
🏦 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
101.8%
ACCUMULATION vs DISTRIBUTION
20% ACCUMULATING
80% DISTRIBUTING
NET SHARES FLOW
-9,771,051
FLOW SCORE
+0.05
ADDING
2
SELLING
2
Institutional Position Changes (QoQ)
ActionInstitution% HeldQoQ ΔShares Δ
▲▲ HEAVY BUYFMR, LLC9.97%+42.2%+10,037,174
▲ ADDINGMorgan Stanley2.64%+6.5%+541,973
▬ HOLDBlackrock Inc.10.47%+2.3%+794,963
▬ HOLDState Street Corporation4.63%+1.5%+233,483
▬ HOLDWCM Investment Management, LLC1.97%-1.3%-87,444
▬ HOLDGeode Capital Management, LLC2.74%-1.4%-131,799
▬ HOLDAmeriprise Financial, Inc.2.51%-1.9%-163,253
▬ HOLDVanguard Group Inc12.49%-2.2%-934,925
▼▼ HEAVY SELLJPMORGAN CHASE & CO4.22%-40.5%-9,742,987
▼▼ HEAVY SELLBank of America Corporation3.55%-46.1%-10,318,236
ETF & Mutual Fund Flow (3 adding / 0 selling)
ActionFundQoQ ΔShares Δ
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar-1.7%-182,496
▬ HOLDVANGUARD INDEX FUNDS-Vanguard 500 Index Fund+0.7%+61,634
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index F-3.0%-231,734
▬ HOLDInvesco QQQ Trust, Series 1-1.8%-130,915
▬ HOLDiShares Trust-iShares Core S&P 500 ETF0.0%0
▬ HOLDFidelity Concord Street Trust-Fidelity 500 In+0.2%+7,384
▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P -2.5%-100,290
★ NEW POSIAMERICAN BALANCED FUNDNEW+1,899,937
★ NEW POSIJPMorgan Trust II-JPMorgan Large Cap Growth FNEW+1,841,308
▲ ADDINGFidelity Select Portfolios-Select Semiconduct+9.5%+308,783
🕶 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
8.9%
DAYS TO COVER
3.1
SI CHANGE (MoM)
↓ 2.9%
SQUEEZE RISK
LOW
SHARES SHORT
26,758,181
PRIOR MONTH
27,567,965
FLOAT SHARES
342,234,888
AVG VOLUME
8,749,025
📡 Data Sources 数据来源
Options Flow
NEUTRAL (80%)
Insider Trading
NO DATA
Smart Money Flow
LEAN BULLISH (75%)
Short Interest
NEUTRAL (60%)
📋 Summary 综合摘要