NEUTRAL — WATCH
No clear whale direction for MRVL. Bullish and bearish signals roughly cancel out. Insiders are net buyers (2,077,298 shares bought vs 241,313 sold) — bullish conviction from management. Strong institutional ownership at 85.5% with 6 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)
1.3
LEAN BEARISH
High Volume Contracts — Vol > 500 (10 contracts)
PUT$1222026-06-0515,518
CALL$2002026-06-186,344
CALL$2202026-06-055,230
PUT$1202026-06-055,036
CALL$2152026-06-054,283
CALL$2222026-06-053,512
PUT$1752026-06-052,074
PUT$1162026-06-052,060
CALL$2102026-06-052,040
PUT$1152026-06-051,919
- Put/Call volume ratio: 1.3 (bearish)
- Total options volume: 110,460 (calls 48,086 / puts 62,374)
👤 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)
2,077,298
NET INSIDER FLOW
+1,835,985
Recent Insider Transactions (0 buys / 10 sells / 0 grants)
SELLMEINTJES WILLEM A4,0002026-05-15
SELLMURPHY MATTHEW JOSEPH7,5002026-05-13
SELLKOOPMANS CHRISTOPHER R10,0002026-05-01
SELLCASPER MARK JOHN10,0002026-04-17
SELLBHARATHI SANDEEP66,8922026-04-16
SELLMURPHY MATTHEW JOSEPH7,5002026-04-15
SELLMEINTJES WILLEM A30,0002026-04-15
SELLCASPER MARK JOHN6,9002026-04-06
SELLCASPER MARK JOHN17,8542026-04-02
SELLBHARATHI SANDEEP44,4142026-03-26
- Insider buying: 2,077,298 shares
- Insider selling: 241,313 shares
- 18 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
85.5%
ACCUMULATION vs DISTRIBUTION
60% ACCUMULATING
40% DISTRIBUTING
NET SHARES FLOW
+50,797,078
Institutional Position Changes (QoQ)
★ NEW POSITIONVanguard Capital Management LLC4.36%NEW+19,552,612
★ NEW POSITIONVanguard Portfolio Management LLC3.70%NEW+16,609,055
▲▲ HEAVY BUYAmeriprise Financial, Inc.2.32%+21.6%+3,697,025
▲ ADDINGBlackrock Inc.7.11%+6.8%+4,036,909
▲ ADDINGVan Eck Associates Corporation1.20%+8.9%+880,924
▲ ADDINGGoldman Sachs Group Inc1.25%+7.5%+782,799
▬ HOLDFMR, LLC14.63%+3.5%+4,438,597
▬ HOLDState Street Corporation2.60%+2.2%+504,626
▬ HOLDGeode Capital Management, LLC1.40%+3.9%+475,871
▬ HOLDFranklin Resources, Inc.1.27%-1.6%-181,340
ETF & Mutual Fund Flow (4 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
▬ HOLDiShares Trust-iShares Semiconductor ETF+3.4%+360,312
▲ ADDINGVanEck ETF Trust-VanEck Semiconductor ETF+8.8%+862,133
▲▲ 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+0.4%+41,282
- Institutional ownership: 85.5%
- Smart money flow: 6 adding / 0 selling / 4 hold
- Net shares added by institutions: +50,797,078
- 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: 4.3% of float
- Days to cover: 1.2
- Short interest MoM: ↑ 11.4%
- Squeeze risk: MINIMAL