Whale Activity Tracker

VST

Vistra Corp.
2026-05-15 06:30
$141.90 -0.50% $47.8B
NEUTRAL — WATCH
No clear whale direction for VST. Bullish and bearish signals roughly cancel out. Insiders are net buyers (1,206,218 shares bought vs 176,996 sold) — bullish conviction from management. Strong institutional ownership at 91.6%, but 4 of 10 top holders are distributing.
Action Plan
Options Flow
期权
BEARISH
1.31
Insider
内部交易
BULLISH
Net Buy
Smart Money
机构流向
LEAN BULLISH
30% accum
Short Interest
做空
NEUTRAL
4.3%
NEUTRAL
5.2/10
Whale Activity Rating
Distribution Neutral Accumulation
Options Flow: BEARISH
Insider: BULLISH
Institutional: LEAN 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)
1.31
BEARISH
CALL VOLUME
19,470
PUT VOLUME
25,520
TOTAL VOLUME
44,990
UNUSUAL STRIKES
0
High Volume Contracts — Vol > 500 (10 contracts)
TypeStrikeExpiryVolume
PUT$1252026-05-155,766
PUT$1052026-05-155,101
CALL$2152026-06-185,003
CALL$1472026-05-153,091
PUT$1552026-06-182,981
PUT$1402026-05-151,802
CALL$1502026-06-181,455
CALL$1502026-05-151,273
PUT$1202026-06-181,262
PUT$1652026-06-181,262
P/C OI RATIO
0.32
TOTAL OI
372
CALL OI
282
PUT OI
90
👤 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.
87% BUY
13% SELL
SHARES BOUGHT (6m)
1,206,218
SHARES SOLD (6m)
176,996
NET INSIDER FLOW
+1,029,222
FORM 4 FILINGS (90d)
13
Recent Insider Transactions (0 buys / 1 sells / 9 grants)
TypeInsiderSharesDate
SELLMOORE STEPHANIE ZAPATA10,0002026-03-09
GRANTMOLDOVAN KRISTOPHER E.10,7122026-03-05
GRANTDORE STACEY H.12,8552026-03-05
GRANTMOORE STEPHANIE ZAPATA5,3562026-03-05
GRANTHUDSON SCOTT A6,1062026-03-05
GRANTBURKE JAMES A.28,2812026-03-05
GRANTMONTEMAYOR MARGARET M.1,9892026-03-05
GRANTMOLDOVAN KRISTOPHER E.136,8882026-02-24
GRANTDORE STACEY H.134,4442026-02-24
GRANTKIRBY CARRIE LEE79,4442026-02-24
🏦 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
91.6%
ACCUMULATION vs DISTRIBUTION
30% ACCUMULATING
70% DISTRIBUTING
NET SHARES FLOW
+11,476,054
FLOW SCORE
+0.10
ADDING
3
SELLING
4
Institutional Position Changes (QoQ)
ActionInstitution% HeldQoQ ΔShares Δ
★ NEW POSITIONVanguard Capital Management LLC6.34%NEW+10,696,980
★ NEW POSITIONVanguard Portfolio Management LLC5.01%NEW+8,451,109
▲ ADDINGLone Pine Capital Llc1.55%+10.9%+512,682
▬ HOLDState Street Corporation4.89%+2.7%+431,564
▬ HOLDGeode Capital Management, LLC2.66%+1.1%+97,549
▬ HOLDMorgan Stanley2.35%-1.7%-139,334
▼ TRIMMINGMassachusetts Financial Services Co.1.94%-8.1%-576,331
▼ TRIMMINGBlackrock Inc.8.45%-6.1%-1,843,701
▼ TRIMMINGFMR, LLC5.04%-14.6%-2,898,559
▼▼ HEAVY SELLJPMORGAN CHASE & CO2.22%-30.3%-3,255,905
ETF & Mutual Fund Flow (0 adding / 0 selling)
ActionFundQoQ ΔShares Δ
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar-0.1%-14,936
▬ HOLDVANGUARD INDEX FUNDS-Vanguard 500 Index Fund+2.2%+175,928
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index F-1.6%-119,151
▬ HOLDSELECT SECTOR SPDR TRUST-State Street Utiliti-2.5%-135,104
▬ HOLDiShares Trust-iShares Core S&P 500 ETF+0.8%+34,106
▬ HOLDFidelity Concord Street Trust-Fidelity 500 In+0.3%+14,186
▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P +3.0%+112,276
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Value Index Fun+2.5%+75,455
▬ HOLDVANGUARD INDEX FUNDS-Vanguard Mid-Cap Growth -2.3%-66,425
▬ HOLDVANGUARD WORLD FUND-Vanguard Utilities Index +2.2%+49,418
🕶 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
4.3%
DAYS TO COVER
3.3
SI CHANGE (MoM)
↑ 33.6%
SQUEEZE RISK
MINIMAL
SHARES SHORT
12,471,471
PRIOR MONTH
9,333,104
FLOAT SHARES
314,439,511
AVG VOLUME
4,500,925
📡 Data Sources 数据来源
Options Flow
BEARISH (80%)
Insider Trading
BULLISH (90%)
Smart Money Flow
LEAN BULLISH (75%)
Short Interest
NEUTRAL (60%)
📋 Summary 综合摘要