Whale Activity Tracker

LRCX

Lam Research Corporation
2026-05-19 06:31
$277.96 -2.37% $347.6B
NEUTRAL — WATCH
No clear whale direction for LRCX. Bullish and bearish signals roughly cancel out. Insiders are net buyers (939,006 shares bought vs 318,366 sold) — bullish conviction from management. Strong institutional ownership at 88.1% with 5 of 10 top holders actively accumulating this quarter.
Action Plan
Options Flow
期权
BEARISH
1.37
Insider
内部交易
BULLISH
Net Buy
Smart Money
机构流向
LEAN BULLISH
50% accum
Short Interest
做空
NEUTRAL
2.5%
NEUTRAL
5.6/10
Whale Activity Rating
Distribution Neutral Accumulation
Options Flow: BEARISH
Insider: BULLISH
Institutional: LEAN BULLISH
Dark Pool: NEUTRAL
4/4 sources | Confidence: 76%
📈 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)
1.37
BEARISH
CALL VOLUME
12,939
PUT VOLUME
17,775
TOTAL VOLUME
30,714
UNUSUAL STRIKES
0
High Volume Contracts — Vol > 500 (9 contracts)
TypeStrikeExpiryVolume
PUT$1252026-05-224,250
PUT$302026-06-182,255
CALL$3002026-05-222,140
CALL$2852026-05-221,589
PUT$2452026-05-291,080
PUT$2452026-05-22954
CALL$3002026-06-18944
CALL$2702026-06-18768
PUT$2302026-06-05722
P/C OI RATIO
2.15
TOTAL OI
1,048
CALL OI
333
PUT OI
715
👤 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.
75% BUY
25% SELL
SHARES BOUGHT (6m)
939,006
SHARES SOLD (6m)
318,366
NET INSIDER FLOW
+620,640
FORM 4 FILINGS (90d)
16
Recent Insider Transactions (0 buys / 6 sells / 4 grants)
TypeInsiderSharesDate
SELLFERNANDES NEIL J18,1702026-05-01
SELLHARTER AVA6,0102026-04-27
SELLBETTINGER DOUGLAS R50,0572026-03-04
SELLHARTER AVA1,5002026-03-04
SELLBETTINGER DOUGLAS R40,3292026-03-02
SELLHARTER AVA4,0002026-03-02
GRANTFERNANDES NEIL J8,2742026-02-27
GRANTCORREIA CHRISTINA16,1592026-02-27
GRANTARCHER TIMOTHY M51,0532026-02-27
GRANTHARTER AVA7,1062026-02-27
🏦 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
88.1%
ACCUMULATION vs DISTRIBUTION
50% ACCUMULATING
50% DISTRIBUTING
NET SHARES FLOW
+73,693,887
FLOW SCORE
+0.36
ADDING
5
SELLING
1
Institutional Position Changes (QoQ)
ActionInstitution% HeldQoQ ΔShares Δ
★ NEW POSITIONVanguard Capital Management LLC6.49%NEW+40,577,872
★ NEW POSITIONVanguard Portfolio Management LLC2.96%NEW+18,530,481
▲▲ HEAVY BUYJPMORGAN CHASE & CO2.62%+39.2%+9,203,818
▲▲ HEAVY BUYFMR, LLC2.68%+25.8%+6,894,261
▲ ADDINGInvesco Ltd.1.94%+6.3%+1,433,241
▬ HOLDGeode Capital Management, LLC2.81%+4.2%+1,427,556
▬ HOLDMorgan Stanley1.59%+0.1%+23,834
▬ HOLDState Street Corporation4.73%-0.9%-525,214
▬ HOLDBlackrock Inc.10.62%-1.1%-1,409,751
▼ TRIMMINGAmeriprise Financial, Inc.1.66%-10.6%-2,462,211
ETF & Mutual Fund Flow (1 adding / 0 selling)
ActionFundQoQ ΔShares Δ
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar-0.9%-370,483
▬ HOLDVANGUARD INDEX FUNDS-Vanguard 500 Index Fund+1.4%+449,619
▬ HOLDInvesco QQQ Trust, Series 1+1.6%+420,913
▬ HOLDiShares Trust-iShares Core S&P 500 ETF+0.2%+40,029
▬ HOLDFidelity Concord Street Trust-Fidelity 500 In-0.2%-36,764
▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P +3.0%+440,055
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Growth Index Fu-4.6%-648,917
▬ HOLDSELECT SECTOR SPDR TRT-State Street Technolog+2.3%+214,560
▲ ADDINGVanEck ETF Trust-VanEck Semiconductor ETF+7.8%+698,634
▬ HOLDVANGUARD WORLD FUND-Vanguard Information Tech+2.5%+212,561
🕶 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
2.5%
DAYS TO COVER
3.1
SI CHANGE (MoM)
↑ 2.1%
SQUEEZE RISK
MINIMAL
SHARES SHORT
28,556,454
PRIOR MONTH
27,966,572
FLOAT SHARES
1,245,418,647
AVG VOLUME
9,963,844
📡 Data Sources 数据来源
Options Flow
BEARISH (80%)
Insider Trading
BULLISH (90%)
Smart Money Flow
LEAN BULLISH (75%)
Short Interest
NEUTRAL (60%)
📋 Summary 综合摘要