LEAN BULLISH
Net positive whale activity for MRVL. Smart money shows interest, but signals are mixed. Insiders are net buyers (509,124 shares bought vs 98,521 sold) — bullish conviction from management. Strong institutional ownership at 83.6%, but 2 of 10 top holders are distributing.
Action Plan
- Consider building a position on pullbacks
- Set stop-loss below key support level
- Re-evaluate if insider selling accelerates
📈 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)
0.75
NEUTRAL
High Volume Contracts — Vol > 500 (10 contracts)
PUT$852026-05-156,670
CALL$1152026-04-106,593
CALL$1102026-05-154,195
CALL$1252026-05-152,418
CALL$1102026-04-102,342
CALL$1152026-04-242,249
PUT$1002026-04-102,174
PUT$552026-05-152,001
CALL$1202026-04-101,777
CALL$1202026-04-171,638
- Put/Call volume ratio: 0.75 (bullish)
- Total options volume: 71,293 (calls 40,778 / puts 30,515)
👤 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)
509,124
Recent Insider Transactions (0 buys / 5 sells / 0 grants)
SELLCASPER MARK JOHN17,8542026-04-02
SELLBHARATHI SANDEEP44,4142026-03-26
SELLMURPHY MATTHEW JOSEPH30,0002026-03-26
SELLCASPER MARK JOHN5,0002026-01-05
SELLCASPER MARK JOHN1,2532025-12-05
- Insider buying: 509,124 shares
- Insider selling: 98,521 shares
- 11 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
83.6%
ACCUMULATION vs DISTRIBUTION
20% ACCUMULATING
80% DISTRIBUTING
NET SHARES FLOW
+4,533,120
Institutional Position Changes (QoQ)
▲ ADDINGState Street Corporation2.61%+7.9%+1,677,754
▲ ADDINGNORGES BANK1.21%+13.8%+1,276,989
▬ 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
▬ HOLDVanguard Group Inc9.01%-1.1%-851,796
▼ TRIMMINGGoldman Sachs Group Inc1.20%-10.0%-1,166,631
▼ TRIMMINGBank of America Corporation1.31%-12.9%-1,692,889
ETF & Mutual Fund Flow (2 adding / 1 selling)
▲ ADDINGFidelity Select Portfolios-Select Semiconduct+8.5%+2,712,628
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar-0.2%-51,577
▬ HOLDInvesco QQQ Trust, Series 1-2.9%-562,890
▬ HOLDFidelity Securities Fund-Fidelity Blue Chip G+1.2%+219,212
▬ HOLDFidelity Select Portfolios-Technology Portfol+1.3%+198,895
▬ HOLDVanEck ETF Trust-VanEck Semiconductor ETF+3.4%+327,944
▼ TRIMMINGVANGUARD INDEX FUNDS-Vanguard Growth Index Fu-9.8%-1,051,733
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index F-1.6%-152,556
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Extended Market+0.6%+59,088
▲▲ HEAVY BUColumbia Fd.s Series TRT II-Columbia Seligman+48.3%+2,668,613
- Institutional ownership: 83.6%
- Smart money flow: 2 adding / 2 selling / 6 hold
- Net shares added by institutions: +4,533,120
- Biggest mover: FMR, LLC added 5,076,592 shares (+4.2%)
🕶 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: 4.5% of float
- Days to cover: 1.9
- Short interest MoM: ↑ 4.3%
- Squeeze risk: MINIMAL