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 Mar 31, 2025
Ownership Breakdown
1,209
Institutional Holders
▲ 15 vs Q4
$32.05B
Total Inst. Value
▼ $7.83B vs Q4
337.18M
Shares Outstanding
freeFloat 93.25%
272.89M
13F Shares Held
▼ 14.17M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC electric services | 41.97M | 12.35% | 12.35% | $4.93T | May 9, 2025 | ▼ 1.40M |
BLACKROCK, INC. electric services | 29.51M | 8.69% | 8.69% | $3.47T | May 2, 2025 | ▼ 42.1K |
FMR LLC electric services | 17.30M | 5.09% | 5.09% | $2.03T | May 12, 2025 | ▼ 2.76M |
STATE STREET CORP electric services | 16.43M | 4.84% | 4.84% | $1.93T | May 15, 2025 | ▲ 308.8K |
GEODE CAPITAL MANAGEMENT, LLC electric services | 9.07M | 2.67% | 2.67% | $1.07T | May 13, 2025 | ▲ 528.4K |
MORGAN STANLEY electric services | 7.64M | 2.25% | 2.25% | $897.16B | May 15, 2025 | ▲ 479.4K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ electric services | 5.92M | 1.74% | 1.74% | $694.84B | May 2, 2025 | ▼ 343.8K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP electric services | 5.47M | 1.61% | 1.61% | $642.03B | May 14, 2025 | ▲ 3.00M |
LONE PINE CAPITAL LLC electric services | 4.60M | 1.36% | 1.36% | $540.79B | May 15, 2025 | ▼ 748.2K |
DIMENSIONAL FUND ADVISORS LP electric services | 4.19M | 1.23% | 1.23% | $492.10B | May 13, 2025 | ▲ 11.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
29
Increased
+17.49M shares1
New Positions
first time holders20
Decreased
−9.47M shares0
Sold Out
fully exitedNet shares change (top 50)
+8.03M
+17.49M / −9.47M
Net new holders
+10
1 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 80.9% of total shares outstanding. Company insiders own approximately 6.75%, while retail and public investors account for the remaining 12.32%.
The largest institutional shareholder of Vistra Corp. is VANGUARD GROUP INC, holding approximately 41.97 million shares — equal to 12.35% of outstanding shares — as of March 31, 2025.
A total of 1,209 institutional investors currently hold VST stock, with a combined institutional value of approximately $32.05 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 80.9% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.35% stake. Company insiders hold 6.75%. Data sourced from SEC Form 13F as of March 31, 2025.