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Vistra Corp. (VST) Institutional Ownership & Insider Trading History

Top VST institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.

Last confirmed price
$156.14-6.35%
Oct 8, 2026, 4:00 PM EDT · Prices may be delayed
Market cap · calculated
$52.41B
Oct 8, 2026 · Valuation and sources

Data dates

Prices as of Oct 8, 4:00 PM EDT · Fundamentals checked Oct 9, 3:41 AM EDT · Statement period ended Jun 30, 2026

Ownership read

VST insider transaction activity: Mixed, sale-heavy.

Blackrock Inc. is the largest institutional holder. 43 sales and 3 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.

Review insider tradesView institutions

Insider flow

VST

Purchases10.16K
Sales1.50M

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

29.06M

Blackrock Inc.

Insider transaction activity

Mixed, sale-heavy

$274.89M sold / $1.36M bought

Observations shown

130

10 holder / 120 insider

Holder rows
10
Yahoo Finance · Filing dates shown per row
Increased / initiated
8
1 decreased · provider-reported changes
Insider rows
120
Yahoo Finance · Filing dates shown per row

Ownership concentration and transaction activity

Top 10 reported holders
39.41% outstanding
Changes with share-count history
Prior-position data unavailable
New / exited positions
0 / 0 explicitly reported
Largest increase with share-count history
Prior share counts unavailable

These changes cover the holders shown. A holder missing from this list may still own shares. Compare positions from the same reporting quarters.

Net shares sold: 1,489,004

Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.

  • Purchase / sale; plan unknown: 46
  • Grant: 38
  • Conversion / exercise: 29
  • Gift: 7

Top 10 institutional holders

Vistra Corp. (VST) institutional ownership

Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.

Vistra Corp. (VST) institutional ownership
#Institution% heldSharesChange %Position / filing date
1
Blackrock Inc.
8.66%29.06M+2.05%Position as of Jun 30, 2026Filing date unknown
2
Vanguard Capital Management LLC
6.37%21.39M0.00%Position as of Jun 30, 2026Filing date unknown
3
Vanguard Portfolio Management LLC
5.05%16.94M+0.22%Position as of Jun 30, 2026Filing date unknown
4
State Street Corporation
5.02%16.85M+0.48%Position as of Jun 30, 2026Filing date unknown
5
FMR, LLC
4.22%14.16M-10.42%Position as of Jun 30, 2026Filing date unknown
6
Geode Capital Management, LLC
2.69%9.04M+0.04%Position as of Jun 30, 2026Filing date unknown
7
Morgan Stanley
2.65%8.88M+7.55%Position as of Jun 30, 2026Filing date unknown
8
NORGES BANK
1.73%5.81M+25.55%Position as of Jun 30, 2026Filing date unknown
9
UBS Group AG
1.61%5.40M+17.41%Position as of Jun 30, 2026Filing date unknown
10
Goldman Sachs Group Inc
1.41%4.74M+42.02%Position as of Jun 30, 2026Filing date unknown
Showing 10 of 10 matching institutional rows.

Recent insider transactions

Vistra Corp. (VST) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

Vistra Corp. (VST) Form 4 insider transactions
#Insider% companyActionSharesTransaction date
1
MOLDOVAN KRISTOPHER E.
Chief Financial Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

20.00KSep 8, 2026
2
HUDSON SCOTT A
Officer
0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

44.44KSep 8, 2026
3
BURKE JAMES A.
Chief Executive Officer
<0.01%PurchaseOpen-market or direct purchase reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

6.67KSep 1, 2026
4
BURKE JAMES A.
Chief Executive Officer
<0.01%PurchaseOpen-market or direct purchase reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

2.00KAug 24, 2026
5
SULT JOHN R
Director
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

6.50KJun 18, 2026
6
ACOSTA ARCILIA C
Director
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

15.00KJun 18, 2026
7
HELM SCOTT BRADFORD
Director
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

25.00KJun 16, 2026
8
BARBAS PAUL M
Director
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

488Jun 15, 2026
9
MONTEMAYOR MARGARET M.
Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

4.60KJun 2, 2026
10
MONTEMAYOR MARGARET M.
Officer
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

5.00KMay 27, 2026
11
ACOSTA ARCILIA C
Director
<0.01%Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.
Transaction context
Classification:
Grant
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

1.27KMay 15, 2026
12
ACKERMANN HILARY E
Director
<0.01%Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.
Transaction context
Classification:
Grant
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

1.27KMay 15, 2026
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding.

Frequently asked

Questions about this quote

Who are the largest VST shareholders?

Blackrock Inc. is the largest reported institutional holder of VST, with 29.06 million shares, or about 8.66% of shares outstanding.

What does the institutional filing activity show for VST?

Vistra Corp. has 10 institutional rows on file: 8 increased or initiated positions and 1 reduced them.

What insider transactions are available for VST?

TECHi shows 120 dated VST insider transactions through Sep 8, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.

Are VST insiders buying or selling?

The displayed VST activity reads Mixed, sale-heavy: 43 sales and 3 purchases. Other transaction types remain separate.

Who is the most active reported VST insider?

BURKE JAMES A. has the largest absolute share movement in the displayed VST filing rows, totaling 2.35 million shares. The action labels provide the transaction context.

All data sources

Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.

What this page answers

Check who owns the float and whether insiders are active.

Explore Institutional concentration, insider transaction pattern, and float context.

Keep in mind Filings are delayed or transactions are administrative rather than economic.

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