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 85.0% with 5 of 10 top holders actively accumulating this quarter.
Action Plan
- Consider building a position on pullbacks
- Set stop-loss below key support level
- Re-evaluate if insider selling accelerates
👤 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.
SHARES BOUGHT (6m)
1,887,066
NET INSIDER FLOW
+1,657,253
Recent Insider Transactions (0 buys / 9 sells / 0 grants)
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
- Insider buying: 1,887,066 shares
- Insider selling: 229,813 shares
- 14 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
85.0%
ACCUMULATION vs DISTRIBUTION
50% ACCUMULATING
50% DISTRIBUTING
NET SHARES FLOW
+46,387,376
Institutional Position Changes (QoQ)
★ NEW POSITIONVanguard Capital Management LLC4.47%NEW+19,552,612
★ NEW POSITIONVanguard Portfolio Management LLC3.80%NEW+16,609,055
▲ ADDINGBlackrock Inc.7.30%+6.8%+4,036,909
▲ 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
▬ HOLDFranklin Resources, Inc.1.30%-1.6%-181,340
▼ TRIMMINGBank of America Corporation1.31%-12.9%-1,692,889
ETF & Mutual Fund Flow (5 adding / 1 selling)
▲ 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
▲ ADDINGVanEck ETF Trust-VanEck Semiconductor ETF+7.8%+770,896
▲▲ HEAVY BUColumbia Fd.s Series TRT II-Columbia Seligman+24.4%+1,997,033
▼ TRIMMINGVANGUARD INDEX FUNDS-Vanguard Growth Index Fu-9.8%-1,051,733
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index F-1.6%-152,556
- Institutional ownership: 85.0%
- Smart money flow: 5 adding / 1 selling / 4 hold
- Net shares added by institutions: +46,387,376
- Biggest mover: Vanguard Capital Management LLC added 19,552,612 shares (+100.0%)
🕶 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 interest: 3.8% of float
- Days to cover: 0.9
- Squeeze risk: MINIMAL