Vistra Corp.
Vistra Corp. (VST) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · VST · as of Sep 30, 2025
Ownership Breakdown
1,448
Institutional Holders
▲ 63 vs Q2
$55.49B
Total Inst. Value
▼ $469.73M vs Q2
337.18M
Shares Outstanding
freeFloat 93.25%
283.26M
13F Shares Held
▼ 5.65M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
VST largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC electric services | 41.20M | 12.12% | 12.12% | $8.07T | Nov 7, 2025 | ▼ 565.5K |
BLACKROCK, INC. electric services | 29.44M | 8.66% | 8.66% | $5.77T | Nov 12, 2025 | ▲ 1.02M |
FMR LLC electric services | 19.89M | 5.85% | 5.85% | $3.90T | Nov 13, 2025 | ▲ 782.1K |
STATE STREET CORP electric services | 16.04M | 4.72% | 4.72% | $3.14T | Nov 14, 2025 | ▼ 617.2K |
JPMORGAN CHASE & CO electric services | 10.94M | 3.22% | 3.22% | $2.14T | Nov 26, 2025 | ▲ 2.07M |
GEODE CAPITAL MANAGEMENT, LLC electric services | 8.87M | 2.61% | 2.61% | $1.73T | Nov 12, 2025 | ▼ 205.0K |
MORGAN STANLEY electric services | 8.05M | 2.37% | 2.37% | $1.58T | May 27, 2026 | ▲ 17.7K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ electric services | 7.11M | 2.09% | 2.09% | $1.39T | Oct 29, 2025 | ▲ 930.9K |
LONE PINE CAPITAL LLC electric services | 4.70M | 1.38% | 1.38% | $920.68B | Nov 14, 2025 | ▼ 1.77M |
INVESCO LTD. electric services | 4.57M | 1.35% | 1.35% | $895.87B | Nov 13, 2025 | ▲ 35.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
28
Increased
+12.04M shares0
New Positions
first time holders22
Decreased
−7.11M shares0
Sold Out
fully exitedNet shares change (top 50)
+4.93M
+12.04M / −7.11M
Net new holders
+6
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
VST insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
2
Sell transactions
5.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Montemayor Margaret SVP, Chief Accounting Officer | Jun 2, 2026 | Sale | 4,600 | $160.00 | $736.0K | 9.8K | Form 4 ↗ |
Montemayor Margaret SVP, Chief Accounting Officer | May 27, 2026 | Sale | 5,000 | $164.96 | $824.8K | 14.4K | Form 4 ↗ |
SULT JOHN R director | May 15, 2026 | Award | 1,268 | — | — | 77.2K | Form 4 ↗ |
Pitesa John William director | May 15, 2026 | Award | 1,268 | — | — | 5.9K | Form 4 ↗ |
HELM SCOTT B director | May 15, 2026 | Award | 2,008 | — | — | 257.2K | Form 4 ↗ |
BARBAS PAUL M director | May 15, 2026 | Award | 1,268 | — | — | 53.5K | Form 4 ↗ |
Crutchfield Lisa director | May 15, 2026 | Award | 1,268 | — | — | 34.6K | Form 4 ↗ |
Baiera Gavin R. director | May 15, 2026 | Award | 1,268 | — | — | 51.6K | Form 4 ↗ |
Acosta Arcilia director | May 15, 2026 | Award | 1,268 | — | — | 47.6K | Form 4 ↗ |
Ackermann Hilary E. director | May 15, 2026 | Award | 1,268 | — | — | 68.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Vistra Corp. (VST) is primarily owned by institutional investors, who hold approximately 84.0% of total shares outstanding. Company insiders own approximately 6.75%, while retail and public investors account for the remaining 9.24%.
The largest institutional shareholder of Vistra Corp. is VANGUARD GROUP INC, holding approximately 41.20 million shares — equal to 12.12% of outstanding shares — as of September 30, 2025.
A total of 1,448 institutional investors currently hold VST stock, with a combined institutional value of approximately $55.49 billion as of the most recent 13F filing period.
Frequently asked questions
VST ownershipVistra Corp. (VST) is primarily owned by institutional investors, who hold approximately 84.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.12% stake. Company insiders hold 6.75%. Data sourced from SEC Form 13F as of September 30, 2025.