Whale Activity Tracker

STX

Seagate Technology Holdings plc
2026-04-18 06:31
$547.75 +3.00% $122.7B
NEUTRAL — WATCH
No clear whale direction for STX. Bullish and bearish signals roughly cancel out. Insiders are net sellers (263,116 shares sold vs 185,817 bought) — management reducing exposure. Strong institutional ownership at 87.6% with 4 of 10 top holders actively accumulating this quarter.
Action Plan
Options Flow
期权
BEARISH
1.22
Insider
内部交易
NEUTRAL
Net Sell
Smart Money
机构流向
LEAN BULLISH
40% accum
Short Interest
做空
BULLISH
4.7%
NEUTRAL
4.4/10
Whale Activity Rating
Distribution Neutral Accumulation
Options Flow: BEARISH
Insider: NEUTRAL
Institutional: LEAN BULLISH
Dark Pool: BULLISH
4/4 sources | Confidence: 72%
📈 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)
1.22
BEARISH
CALL VOLUME
3,588
PUT VOLUME
4,365
TOTAL VOLUME
7,953
UNUSUAL STRIKES
10
Unusual Strikes — Vol/OI > 3x (6C / 4P)
TypeStrikeExpiryVolOIRatio
PUT$5502026-04-2442142.0x
PUT$5452026-04-2426126.0x
PUT$5302026-04-2471514.2x
CALL$5702026-04-242331713.7x
CALL$7402026-05-0180810.0x
CALL$5652026-04-247289.0x
CALL$5702026-05-22616.0x
CALL$4922026-04-24515.0x
CALL$4902026-05-0862134.8x
PUT$4452026-04-243684.5x
P/C OI RATIO
0.85
TOTAL OI
32,713
CALL OI
17,645
PUT OI
15,068
👤 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.
41% BUY
59% SELL
SHARES BOUGHT (6m)
185,817
SHARES SOLD (6m)
263,116
NET INSIDER FLOW
-77,299
FORM 4 FILINGS (90d)
26
Recent Insider Transactions (0 buys / 7 sells / 0 grants)
TypeInsiderSharesDate
SELLMOSLEY WILLIAM D20,0002026-04-01
SELLMOSLEY WILLIAM D24,5842026-03-19
SELLMORRIS JOHN CHRISTOPHER1122026-03-13
SELLCONYERS YOLANDA LEE7502026-03-02
SELLMOSLEY WILLIAM D20,0002026-03-02
SELLMORRIS JOHN CHRISTOPHER2402026-02-24
SELLCHONG KIAN FATT5,8462026-02-23
🏦 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
87.6%
ACCUMULATION vs DISTRIBUTION
40% ACCUMULATING
60% DISTRIBUTING
NET SHARES FLOW
-16,223,111
FLOW SCORE
+0.07
ADDING
4
SELLING
2
Institutional Position Changes (QoQ)
ActionInstitution% HeldQoQ ΔShares Δ
★ NEW POSITIONDz Bank Ag Deutsche Zentral Genossenschafts B2.48%NEW+4,426,485
▲ ADDINGBlackrock Inc.7.39%+11.9%+1,719,100
▲ ADDINGMorgan Stanley2.44%+5.1%+258,033
▲ ADDINGGeode Capital Management, LLC2.25%+5.0%+234,513
▬ HOLDState Street Corporation4.30%+1.0%+94,617
▬ HOLDVanguard Group Inc12.89%-0.1%-19,697
▬ HOLDWCM Investment Management, LLC2.36%-0.5%-27,987
▬ HOLDSanders Capital, LLC7.88%-2.0%-359,579
▼▼ HEAVY SELLCapital Research Global Investors2.07%-27.1%-1,677,296
▼▼ HEAVY SELLJPMORGAN CHASE & CO3.21%-74.9%-20,871,300
ETF & Mutual Fund Flow (0 adding / 1 selling)
ActionFundQoQ ΔShares Δ
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+0.1%+5,360
▬ HOLDVANGUARD INDEX FUNDS-Vanguard 500 Index Fund+4.7%+245,093
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index F-1.2%-55,979
▬ HOLDInvesco QQQ Trust, Series 1-2.4%-109,323
▼▼ HEAVY SEVANGUARD WINDSOR FUNDS-Vanguard Windsor II Fu-23.8%-942,268
▬ HOLDiShares Trust-iShares Core S&P 500 ETF-0.9%-26,604
▬ HOLDFidelity Concord Street Trust-Fidelity 500 In+0.2%+4,705
▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P -1.8%-48,376
▬ HOLDINVESTMENT MANAGERS SERIES TRUST-WCM Focused -3.5%-71,734
▬ HOLDiShares Trust-iShares Select Dividend ETF+1.8%+33,642
🕶 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
4.7%
DAYS TO COVER
2.6
SI CHANGE (MoM)
↓ 7.1%
SQUEEZE RISK
MINIMAL
SHARES SHORT
9,144,048
PRIOR MONTH
9,846,971
FLOAT SHARES
217,377,414
AVG VOLUME
4,203,537
📡 Data Sources 数据来源
Options Flow
BEARISH (65%)
Insider Trading
NEUTRAL (90%)
Smart Money Flow
LEAN BULLISH (75%)
Short Interest
BULLISH (60%)
📋 Summary 综合摘要