Whale Tracker

LEAN BULLISH

Net positive whale activity for ALAB. Smart money shows interest, but signals are mixed. Short interest at 10.1% of float — moderate bearish positioning. Strong institutional ownership at 79.0% with 6 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)

0.7

NEUTRAL

CALL VOLUME

10,661

PUT VOLUME

7,504

TOTAL VOLUME

18,165

UNUSUAL STRIKES

High Volume Contracts — Vol > 500 (5 contracts)

TypeStrikeExpiryVolume

CALL$2302026-05-15904

PUT$1902026-05-22719

CALL$2252026-05-22561

CALL$2602026-06-18547

PUT$1122026-05-29534

P/C OI RATIO

1.0

TOTAL OI

CALL OI

PUT OI

Put/Call volume ratio: 0.7 (bullish)
Total options volume: 18,165 (calls 10,661 / puts 7,504)

🏦 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

79.0%

ACCUMULATION vs DISTRIBUTION

60% ACCUMULATING

40% DISTRIBUTING

NET SHARES FLOW

+7,464,134

FLOW SCORE

+0.36

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONVanguard Portfolio Management LLC4.26%NEW+3,654,889

★ NEW POSITIONVanguard Capital Management LLC3.70%NEW+3,170,366

▲▲ 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

▲ ADDINGFMR, LLC14.78%+5.2%+1,254,586

▬ HOLDGeode Capital Management, LLC1.42%+4.5%+104,823

▬ HOLDShaw D.E. & Co., Inc.1.43%-3.7%-94,753

▼ TRIMMINGBlackrock Inc.6.68%-11.7%-1,518,595

▼▼ HEAVY SELLAlliancebernstein L.P.1.27%-25.4%-740,718

ETF & Mutual Fund Flow (2 adding / 1 selling)

ActionFundQoQ ΔShares Δ

▲ 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

▲ ADDINGVanEck ETF Trust-VanEck Semiconductor ETF+7.8%+130,916

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Small-Cap Growt-1.9%-33,333

▬ HOLDVANGUARD WORLD FUND-Vanguard Information Tech+2.5%+35,407

Institutional ownership: 79.0%
Smart money flow: 6 adding / 2 selling / 2 hold
Net shares added by institutions: +7,464,134
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 % FLOAT

10.1%

DAYS TO COVER

2.3

SI CHANGE (MoM)

↓ 15.3%

SQUEEZE RISK

MODERATE

SHARES SHORT

13,125,304

PRIOR MONTH

15,495,055

FLOAT SHARES

141,512,680

AVG VOLUME

5,165,043

Elevated short interest — bears have a notable position. Watch for SI trend direction as the key signal.

Short interest: 10.1% of float
Days to cover: 2.3
Short interest MoM: ↓ 15.3%
Squeeze risk: MODERATE

📡 Data Sources 数据来源

Options Flow

NEUTRAL (80%)

Insider Trading

NO DATA

Smart Money Flow

LEAN BULLISH (75%)

Short Interest

NEUTRAL (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 10.1% of float
[dark_pool] Days to cover: 2.3
[institutional] Institutional ownership: 79.0%
[institutional] Smart money flow: 6 adding / 2 selling / 2 hold
[options_flow] Put/Call volume ratio: 0.7 (bullish)
[options_flow] Total options volume: 18,165 (calls 10,661 / puts 7,504)
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