LEAN BULLISH
Net positive whale activity for ALAB. Smart money shows interest, but signals are mixed. Insiders are net sellers (2,523,941 shares sold vs 930,791 bought) — management reducing exposure. Strong institutional ownership at 82.8% with 7 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
📈 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)
0.44
BULLISH
High Volume Contracts — Vol > 500 (6 contracts)
CALL$3802026-06-181,583
CALL$3802026-06-051,343
CALL$4002026-06-05778
CALL$3352026-06-12718
CALL$3502026-06-12704
PUT$1302026-06-18548
- Put/Call volume ratio: 0.44 (bullish)
- Total options volume: 19,068 (calls 13,281 / puts 5,787)
👤 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)
930,791
SHARES SOLD (6m)
2,523,941
NET INSIDER FLOW
-1,593,150
Recent Insider Transactions (0 buys / 9 sells / 1 grants)
SELLGAJENDRA SANJAY400,0002026-05-21
SELLMAZZARA PHILIP7962026-05-21
SELLMOHAN JITENDRA139,9512026-05-19
SELLGAJENDRA SANJAY280,0002026-05-19
SELLMOHAN JITENDRA95,4442026-05-18
SELLGAJENDRA SANJAY95,4442026-05-18
SELLMAZZARA PHILIP14,0762026-05-18
GRANTMAZZARA PHILIP1312026-05-14
SELLMOHAN JITENDRA139,9512026-05-07
SELLDYCKERHOFF STEFAN A12,4992026-05-07
- Insider buying: 930,791 shares
- Insider selling: 2,523,941 shares
- 22 Form 4 filings in last 90 days
- Net insider SELLING — bearish 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
82.8%
ACCUMULATION vs DISTRIBUTION
70% ACCUMULATING
30% DISTRIBUTING
NET SHARES FLOW
+9,365,924
Institutional Position Changes (QoQ)
★ NEW POSITIONVanguard Portfolio Management LLC4.26%NEW+3,654,889
★ NEW POSITIONVanguard Capital Management LLC3.70%NEW+3,170,366
★ NEW POSITIONAtreides Management, LP1.96%NEW+1,754,591
▲▲ HEAVY BUYAmundi1.10%+77.9%+823,471
▲▲ HEAVY BUYFred Alger Management, LLC1.50%+33.0%+638,269
▲ ADDINGAlliancebernstein L.P.1.47%+15.4%+334,938
▲ ADDINGState Street Corporation1.94%+7.5%+233,730
▬ HOLDFMR, LLC14.89%+0.8%+195,078
▬ HOLDGeode Capital Management, LLC1.46%+3.3%+79,187
▼ TRIMMINGBlackrock Inc.6.68%-11.7%-1,518,595
ETF & Mutual Fund Flow (5 adding / 1 selling)
▲ ADDINGFidelity Select Portfolios-Select Semiconduct+17.1%+1,082,929
▲ ADDINGVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+8.2%+346,666
▲ ADDINGVANGUARD INDEX FUNDS-Vanguard Small-Cap Index+8.8%+269,829
▬ HOLDFidelity Securities Fund-Fidelity Blue Chip G+2.0%+50,421
▬ HOLDiShares Trust-iShares Semiconductor ETF+3.4%+82,898
▼ TRIMMINGFidelity Mt. Vernon Street Trust-Fidelity Gro-7.2%-175,885
▬ HOLDFidelity Select Portfolios-Technology Portfol0.0%0
▲ ADDINGVANGUARD INDEX FUNDS-Vanguard Small-Cap Growt+7.9%+136,008
▲ ADDINGVanEck ETF Trust-VanEck Semiconductor ETF+8.8%+146,474
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Extended Market+4.4%+61,914
- Institutional ownership: 82.8%
- Smart money flow: 7 adding / 1 selling / 2 hold
- Net shares added by institutions: +9,365,924
- Biggest mover: Vanguard Portfolio Management LLC added 3,654,889 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: 9.5% of float
- Days to cover: 2.2
- Short interest MoM: ↓ 14.0%
- Squeeze risk: LOW