Whale Activity Tracker

RMBS

Rambus Inc.
2026-03-25 05:03
$92.69 -0.71% $10.0B
LEAN BULLISH
Net positive whale activity for RMBS. Smart money shows interest, but signals are mixed. Insiders are net buyers (345,144 shares bought vs 102,437 sold) — bullish conviction from management. Strong institutional ownership at 95.1%, but 2 of 10 top holders are distributing.
Action Plan
Options Flow
期权
BULLISH
0.52
Insider
内部交易
BULLISH
Net Buy
Smart Money
机构流向
NEUTRAL
10% accum
Short Interest
做空
LEAN BEARISH
8.7%
ACCUMULATION
6.6/10
Whale Activity Rating
Distribution Neutral Accumulation
Options Flow: BULLISH
Insider: BULLISH
Institutional: NEUTRAL
Dark Pool: LEAN BEARISH
4/4 sources | Confidence: 69%
📈 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)
0.52
BULLISH
CALL VOLUME
1,115
PUT VOLUME
580
TOTAL VOLUME
1,695
UNUSUAL STRIKES
0
P/C OI RATIO
0.39
TOTAL OI
12,027
CALL OI
8,633
PUT OI
3,394
👤 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.
77% BUY
23% SELL
SHARES BOUGHT (6m)
345,144
SHARES SOLD (6m)
102,437
NET INSIDER FLOW
+242,707
FORM 4 FILINGS (90d)
9
Recent Insider Transactions (0 buys / 5 sells / 5 grants)
TypeInsiderSharesDate
SELLSHINN JOHN4,5562026-03-10
SELLSHINN JOHN4,5572026-03-03
GRANTPENG VICTOR1682026-03-02
SELLSERAPHIN LUC39,9142026-03-02
SELLLYNCH DESMOND M4,2732026-02-23
GRANTSERAPHIN LUC143,7442026-01-30
GRANTSHINN JOHN17,2762026-01-30
GRANTLYNCH DESMOND M34,5542026-01-30
GRANTFAN XIANZHI SEAN148,8022026-01-30
SELLSTANG ERIC BRADFORD9,0002025-11-10
🏦 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
95.1%
ACCUMULATION vs DISTRIBUTION
10% ACCUMULATING
90% DISTRIBUTING
NET SHARES FLOW
-1,406,995
FLOW SCORE
+0.02
ADDING
1
SELLING
2
Institutional Position Changes (QoQ)
ActionInstitution% HeldQoQ ΔShares Δ
▲▲ HEAVY BUYInvesco Ltd.3.84%+70.6%+1,716,566
▬ HOLDBlackrock Inc.15.05%+2.9%+466,360
▬ HOLDPrice (T.Rowe) Associates Inc4.98%+2.7%+140,055
▬ HOLDGeode Capital Management, LLC2.63%+3.4%+94,271
▬ HOLDAlliancebernstein L.P.1.76%+4.3%+78,344
▬ HOLDDimensional Fund Advisors LP1.75%-1.8%-35,101
▬ HOLDState Street Corporation3.93%-3.1%-138,280
▬ HOLDVanguard Group Inc11.36%-3.2%-410,248
▼ TRIMMINGNORGES BANK1.57%-13.7%-270,804
▼▼ HEAVY SELLJPMORGAN CHASE & CO1.91%-59.6%-3,048,158
ETF & Mutual Fund Flow (0 adding / 2 selling)
ActionFundQoQ ΔShares Δ
▬ HOLDiShares Trust-iShares Core S&P Mid-Cap ETF+0.2%+6,193
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+0.2%+6,428
▼ TRIMMINGiShares Trust-iShares Russell 2000 ETF-6.0%-163,878
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Small-Cap Index-4.2%-107,364
▬ HOLDiShares Trust-iShares Semiconductor ETF+3.4%+63,045
▼ TRIMMINGVANGUARD WORLD FUND-Vanguard Information Tech-14.9%-279,189
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Small-Cap Growt-3.4%-48,803
▬ HOLDT. ROWE PRICE QUANTITATIVE Mgmt Fd.S, INC.-T.-3.2%-40,560
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Extended Market+0.7%+8,293
▬ HOLDAIM Sector Funds (Invesco Sector Funds)-INVES0.0%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
8.7%
DAYS TO COVER
4.1
SI CHANGE (MoM)
↑ 7.2%
SQUEEZE RISK
LOW
SHARES SHORT
6,914,782
PRIOR MONTH
6,447,760
FLOAT SHARES
107,006,015
AVG VOLUME
2,343,545
📡 Data Sources 数据来源
Options Flow
BULLISH (50%)
Insider Trading
BULLISH (90%)
Smart Money Flow
NEUTRAL (75%)
Short Interest
LEAN BEARISH (60%)
📋 Summary 综合摘要