Whale Activity Tracker

MRVL

Marvell Technology, Inc.
2026-05-14 06:30
$177.95 +8.18% $155.6B
STRONG BUY SIGNAL
Whales are aggressively accumulating MRVL. Multiple signals confirm institutional conviction. Insiders are net buyers (1,887,066 shares bought vs 229,813 sold) — bullish conviction from management. Strong institutional ownership at 84.9% with 4 of 10 top holders actively accumulating this quarter.
Action Plan
Options Flow
期权
BULLISH
0.41
Insider
内部交易
BULLISH
Net Buy
Smart Money
机构流向
LEAN BULLISH
40% accum
Short Interest
做空
NEUTRAL
3.8%
STRONG ACCUMULATION
7.8/10
Whale Activity Rating
Distribution Neutral Accumulation
Options Flow: BULLISH
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)
0.41
BULLISH
CALL VOLUME
96,787
PUT VOLUME
39,422
TOTAL VOLUME
136,209
UNUSUAL STRIKES
0
High Volume Contracts — Vol > 500 (10 contracts)
TypeStrikeExpiryVolume
CALL$1802026-05-1513,881
CALL$1852026-05-155,884
CALL$2002026-05-155,719
CALL$1752026-05-154,571
CALL$1902026-05-154,178
PUT$1702026-05-153,511
CALL$1952026-05-153,336
CALL$1902026-06-183,328
PUT$1602026-05-153,054
CALL$2002026-05-222,796
P/C OI RATIO
30.32
TOTAL OI
1,566
CALL OI
50
PUT OI
1,516
👤 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.
89% BUY
11% SELL
SHARES BOUGHT (6m)
1,887,066
SHARES SOLD (6m)
229,813
NET INSIDER FLOW
+1,657,253
FORM 4 FILINGS (90d)
13
Recent Insider Transactions (0 buys / 9 sells / 0 grants)
TypeInsiderSharesDate
SELLKOOPMANS CHRISTOPHER R10,0002026-05-01
SELLCASPER MARK JOHN10,0002026-04-17
SELLBHARATHI SANDEEP66,8922026-04-16
SELLMEINTJES WILLEM A30,0002026-04-15
SELLMURPHY MATTHEW JOSEPH7,5002026-04-15
SELLCASPER MARK JOHN6,9002026-04-06
SELLCASPER MARK JOHN17,8542026-04-02
SELLBHARATHI SANDEEP44,4142026-03-26
SELLMURPHY MATTHEW JOSEPH30,0002026-03-26
🏦 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
84.9%
ACCUMULATION vs DISTRIBUTION
40% ACCUMULATING
60% DISTRIBUTING
NET SHARES FLOW
+42,125,596
FLOW SCORE
+0.23
ADDING
4
SELLING
1
Institutional Position Changes (QoQ)
ActionInstitution% HeldQoQ ΔShares Δ
★ NEW POSITIONVanguard Capital Management LLC4.47%NEW+19,552,612
★ NEW POSITIONVanguard Portfolio Management LLC3.80%NEW+16,609,055
▲ ADDINGState Street Corporation2.61%+7.9%+1,677,754
▲ ADDINGInvesco Ltd.1.20%+7.0%+689,371
▬ HOLDFMR, LLC14.50%+4.2%+5,076,592
▬ HOLDAmeriprise Financial, Inc.1.96%+3.1%+522,022
▬ HOLDGeode Capital Management, LLC1.38%+0.8%+97,290
▬ HOLDBlackrock Inc.6.84%-0.1%-53,874
▬ HOLDFranklin Resources, Inc.1.32%-3.0%-352,337
▼ TRIMMINGBank of America Corporation1.31%-12.9%-1,692,889
ETF & Mutual Fund Flow (4 adding / 1 selling)
ActionFundQoQ ΔShares Δ
▲ ADDINGFidelity Select Portfolios-Select Semiconduct+5.4%+1,878,082
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar-0.2%-51,577
▬ HOLDInvesco QQQ Trust, Series 1+1.6%+293,643
▬ HOLDFidelity Securities Fund-Fidelity Blue Chip G+0.3%+63,143
▲ ADDINGFidelity Select Portfolios-Technology Portfol+6.2%+978,848
▲▲ HEAVY BUiShares Trust-iShares Semiconductor ETF+30.0%+2,437,715
▲▲ HEAVY BUColumbia Fd.s Series TRT II-Columbia Seligman+24.4%+1,997,033
▬ HOLDVanEck ETF Trust-VanEck Semiconductor ETF-0.6%-56,368
▼ TRIMMINGVANGUARD INDEX FUNDS-Vanguard Growth Index Fu-9.8%-1,051,733
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index F-1.6%-152,556
🕶 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
3.8%
DAYS TO COVER
0.9
SI CHANGE (MoM)
↑ 0.0%
SQUEEZE RISK
MINIMAL
SHARES SHORT
28,296,571
PRIOR MONTH
28,303,116
FLOAT SHARES
870,575,482
AVG VOLUME
23,863,690
📡 Data Sources 数据来源
Options Flow
BULLISH (80%)
Insider Trading
BULLISH (90%)
Smart Money Flow
LEAN BULLISH (75%)
Short Interest
NEUTRAL (60%)
📋 Summary 综合摘要