NEUTRAL — WATCH
No clear whale direction for STX. Bullish and bearish signals roughly cancel out. Insiders are net sellers (247,463 shares sold vs 139,745 bought) — management reducing exposure. Strong institutional ownership at 88.2% with 4 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)
1.31
LEAN BEARISH
Unusual Strikes — Vol/OI > 3x (8C / 2P)
CALL$11952026-06-1216116.0x
CALL$9702026-06-18342418.3x
CALL$8722026-06-122337.7x
CALL$3302026-06-12717.0x
CALL$12402026-07-175586.9x
CALL$12102026-06-121326.5x
PUT$9702026-07-172555.0x
CALL$12102026-07-1760134.6x
PUT$6582026-06-12206484.3x
CALL$6852026-06-121234.0x
- Put/Call volume ratio: 1.31 (bearish)
- Total options volume: 11,841 (calls 5,120 / puts 6,721)
- Top unusual: CALL $1195.0 exp 2026-06-12 — vol/OI 16.0x
- 15 unusual strikes detected (13C / 2P)
👤 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)
139,745
Recent Insider Transactions (0 buys / 10 sells / 0 grants)
SELLARUMUGAVELU SHANKAR1,0002026-06-04
SELLBHATT PRATIK1,0002026-06-02
SELLCONYERS YOLANDA LEE7502026-06-01
SELLMOSLEY WILLIAM D16,2202026-06-01
SELLMOSLEY WILLIAM D13,7802026-06-01
SELLMOSLEY WILLIAM D30,0002026-05-20
SELLTEH BAN-SENG15,5602026-05-14
SELLROMANO GIANLUCA1,9022026-05-07
SELLROMANO GIANLUCA22,4882026-05-06
SELLTILENIUS STEPHANIE SCHEAR1,5802026-05-05
- Insider buying: 139,745 shares
- Insider selling: 247,463 shares
- 21 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
88.2%
ACCUMULATION vs DISTRIBUTION
40% ACCUMULATING
60% DISTRIBUTING
NET SHARES FLOW
+11,359,783
Institutional Position Changes (QoQ)
★ NEW POSITIONVanguard Capital Management LLC6.31%NEW+7,077,836
★ NEW POSITIONVanguard Portfolio Management LLC4.95%NEW+5,547,454
★ NEW POSITIONFMR, LLC3.65%NEW+4,417,242
▲▲ HEAVY BUYCapital Research Global Investors2.56%+27.1%+1,224,098
▬ HOLDGeode Capital Management, LLC2.26%+3.4%+164,042
▬ HOLDState Street Corporation4.16%-0.5%-48,725
▬ HOLDJPMORGAN CHASE & CO2.97%-4.8%-338,700
▼ TRIMMINGMorgan Stanley2.12%-10.5%-558,355
▼ TRIMMINGBlackrock Inc.6.37%-11.4%-1,842,077
▼▼ HEAVY SELLSanders Capital, LLC5.75%-24.9%-4,283,032
ETF & Mutual Fund Flow (1 adding / 1 selling)
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+3.3%+219,931
▬ HOLDVANGUARD INDEX FUNDS-Vanguard 500 Index Fund+0.9%+49,988
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index F+1.3%+61,356
▬ HOLDInvesco QQQ Trust, Series 1+1.6%+73,504
▼▼ HEAVY SEVANGUARD WINDSOR FUNDS-Vanguard Windsor II Fu-23.8%-942,268
▬ HOLDiShares Trust-iShares Core S&P 500 ETF+0.6%+16,265
▬ HOLDFidelity Concord Street Trust-Fidelity 500 In+0.3%+9,746
▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P +2.5%+64,937
▲▲ HEAVY BUVANGUARD INDEX FUNDS-Vanguard Growth Index Fu+79.8%+1,086,337
▬ HOLDVANGUARD WORLD FUND-Vanguard Information Tech+2.5%+43,143
- Institutional ownership: 88.2%
- Smart money flow: 4 adding / 3 selling / 3 hold
- Net shares added by institutions: +11,359,783
- Biggest mover: Vanguard Capital Management LLC added 7,077,836 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 interest: 4.6% of float
- Days to cover: 2.0
- Short interest MoM: ↑ 5.0%
- Squeeze risk: MINIMAL