Whale Activity Tracker

ALAB

Astera Labs, Inc.
2026-05-13 06:34
$204.42 -1.41% $35.0B
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. Insiders are net sellers (1,827,946 shares sold vs 846,558 bought) — management reducing exposure. Strong institutional ownership at 81.0% with 7 of 10 top holders actively accumulating this quarter.
Action Plan
Options Flow
期权
BULLISH
0.57
Insider
内部交易
NEUTRAL
Net Sell
Smart Money
机构流向
BULLISH
70% accum
Short Interest
做空
NEUTRAL
10.1%
ACCUMULATION
6.1/10
Whale Activity Rating
Distribution Neutral Accumulation
Options Flow: BULLISH
Insider: NEUTRAL
Institutional: BULLISH
Dark Pool: NEUTRAL
4/4 sources | Confidence: 76%
📈 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)
0.57
BULLISH
CALL VOLUME
12,888
PUT VOLUME
7,370
TOTAL VOLUME
20,258
UNUSUAL STRIKES
0
High Volume Contracts — Vol > 500 (7 contracts)
TypeStrikeExpiryVolume
CALL$2202026-05-151,657
CALL$1852026-05-151,428
CALL$2202026-06-181,011
CALL$2302026-05-151,008
CALL$2102026-05-15697
PUT$1122026-05-29534
PUT$1702026-05-15510
P/C OI RATIO
1.0
TOTAL OI
40
CALL OI
0
PUT OI
40
👤 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.
32% BUY
68% SELL
SHARES BOUGHT (6m)
846,558
SHARES SOLD (6m)
1,827,946
NET INSIDER FLOW
-981,388
FORM 4 FILINGS (90d)
19
Recent Insider Transactions (0 buys / 9 sells / 1 grants)
TypeInsiderSharesDate
SELLMOHAN JITENDRA139,9512026-05-07
SELLDYCKERHOFF STEFAN A12,4992026-05-07
SELLGAJENDRA SANJAY230,6392026-05-07
SELLGAJENDRA SANJAY40,2532026-05-07
GRANTLYNCH DESMOND M49,5842026-05-01
SELLMOHAN JITENDRA335,8812026-04-20
SELLDYCKERHOFF STEFAN A24,9982026-04-20
SELLMOHAN JITENDRA2,9672026-04-15
SELLMOHAN JITENDRA123,7502026-04-10
SELLALBA MANUEL183,0002026-04-01
🏦 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
81.0%
ACCUMULATION vs DISTRIBUTION
70% ACCUMULATING
30% DISTRIBUTING
NET SHARES FLOW
+10,722,166
FLOW SCORE
+0.50
ADDING
7
SELLING
1
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
▲ 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
▬ 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)
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
▬ 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
🕶 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
141,372,126
AVG VOLUME
5,153,391
Elevated short interest — bears have a notable position. Watch for SI trend direction as the key signal.
📡 Data Sources 数据来源
Options Flow
BULLISH (80%)
Insider Trading
NEUTRAL (90%)
Smart Money Flow
BULLISH (75%)
Short Interest
NEUTRAL (60%)
📋 Summary 综合摘要