NEUTRAL — WATCH
No clear whale direction for ALAB. Bullish and bearish signals roughly cancel out. Short interest at 11.1% of float — moderate bearish positioning. Insiders are net sellers (1,457,356 shares sold vs 846,558 bought) — management reducing exposure. Strong institutional ownership at 83.5% 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)
0.77
NEUTRAL
Unusual Strikes — Vol/OI > 3x (7C / 3P)
CALL$3202026-05-2911111.0x
CALL$1392026-05-2910110.0x
CALL$1922026-06-0510110.0x
PUT$1332026-06-0520210.0x
CALL$2282026-05-153649.0x
CALL$1922026-05-29108147.7x
PUT$1702026-05-29130216.2x
CALL$1402026-06-05616.0x
CALL$1392026-06-051025.0x
PUT$2602026-06-182054.0x
High Volume Contracts — Vol > 500 (6 contracts)
CALL$2002026-05-152,885
CALL$2102026-05-152,171
PUT$1602026-05-15695
CALL$2202026-05-15622
PUT$1122026-05-29534
PUT$1102026-06-18522
- Put/Call volume ratio: 0.77 (bullish)
- Total options volume: 20,763 (calls 11,708 / puts 9,055)
- Top unusual: CALL $320.0 exp 2026-05-29 — vol/OI 11.0x
- 12 unusual strikes detected (7C / 5P)
👤 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)
846,558
SHARES SOLD (6m)
1,457,356
Recent Insider Transactions (0 buys / 9 sells / 1 grants)
GRANTLYNCH DESMOND M49,5842026-05-01
SELLDYCKERHOFF STEFAN A24,9982026-04-20
SELLMOHAN JITENDRA335,8812026-04-20
SELLMOHAN JITENDRA2,9672026-04-15
SELLMOHAN JITENDRA123,7502026-04-10
SELLMAZZARA PHILIP10,0002026-04-01
SELLALBA MANUEL183,0002026-04-01
SELLMOHAN JITENDRA157,5002026-03-17
SELLLAZAR JACK R2,5002026-03-16
SELLLAZAR JACK R7,5002026-03-05
- Insider buying: 846,558 shares
- Insider selling: 1,457,356 shares
- 19 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
83.5%
ACCUMULATION vs DISTRIBUTION
60% ACCUMULATING
40% DISTRIBUTING
NET SHARES FLOW
+5,529,891
Institutional Position Changes (QoQ)
★ NEW POSITIONAtreides Management, LP0.94%NEW+1,549,144
▲▲ HEAVY BUYState Street Corporation1.81%+32.5%+760,330
▲▲ HEAVY BUYMorgan Stanley1.13%+33.0%+479,980
▲▲ HEAVY BUYFred Alger Management, LLC1.13%+25.5%+393,226
▲ ADDINGBlackrock Inc.7.57%+15.5%+1,739,437
▲ ADDINGFMR, LLC14.78%+5.2%+1,254,586
▬ HOLDGeode Capital Management, LLC1.42%+4.5%+104,823
▬ HOLDVanguard Group Inc8.07%+0.6%+83,836
▬ HOLDShaw D.E. & Co., Inc.1.43%-3.7%-94,753
▼▼ HEAVY SELLAlliancebernstein L.P.1.27%-25.4%-740,718
ETF & Mutual Fund Flow (2 adding / 1 selling)
▲ ADDINGFidelity Select Portfolios-Select Semiconduct+17.1%+1,082,929
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+1.4%+59,894
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Small-Cap Index-2.7%-85,730
▬ HOLDFidelity Securities Fund-Fidelity Blue Chip G+2.0%+50,421
▬ HOLDiShares Trust-iShares Semiconductor ETF-2.5%-61,133
▼ TRIMMINGFidelity Mt. Vernon Street Trust-Fidelity Gro-7.2%-175,885
▬ HOLDFidelity Select Portfolios-Technology Portfol0.0%0
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Small-Cap Growt-1.9%-33,333
★ NEW POSIVanEck ETF Trust-VanEck Semiconductor ETFNEW+838,105
▬ HOLDVANGUARD WORLD FUND-Vanguard Information Tech+2.5%+35,407
- Institutional ownership: 83.5%
- Smart money flow: 6 adding / 1 selling / 3 hold
- Net shares added by institutions: +5,529,891
- Biggest mover: Blackrock Inc. added 1,739,437 shares (+15.5%)
🕶 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%+
Elevated short interest — bears have a notable position. Watch for SI trend direction as the key signal.
- Short interest: 11.1% of float
- Days to cover: 2.9
- Short interest MoM: ↑ 6.8%
- Squeeze risk: MODERATE