VANGUARD GROUP INC
Rank #1
12.3%
- Shares
- 41.59M
- Change
- +390.16K
- Change %
- +95.00%
- Filing
- Dec 31, 2025
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NYSE · UTILITIES · Holders
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.
Ownership read
VST insider sentiment: Net selling.
VANGUARD GROUP INC is the largest loaded institutional holder. 75 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
VST
Purchases—
Sales1.54M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
41.59M
VANGUARD GROUP INC
Insider stance
Net selling
$158.25M sold / — bought
Latest filing
May 27, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
- Holder rows
- 120
- Market data feed
- Latest filing
- May 27, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 74
- 46 decreased in loaded rows
- Insider rows
- 120
- Market data feed
Top 120 institutional holders
Vistra Corp. (VST) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where the ownership feed supplies them.
BLACKROCK
Rank #2
8.44%
- Shares
- 28.48M
- Change
- -1.85M
- Change %
- -6.08%
- Filing
- Mar 31, 2026
Decreased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #3
6.34%
- Shares
- 21.39M
- Change
- +21.39M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #4
5.01%
- Shares
- 16.90M
- Change
- +16.90M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #5
4.97%
- Shares
- 16.77M
- Change
- +295.61K
- Change %
- +1.79%
- Filing
- Mar 31, 2026
Increased
FMR LLC
Rank #6
4.68%
- Shares
- 15.81M
- Change
- -1.19M
- Change %
- -6.99%
- Filing
- Mar 31, 2026
Decreased
GEODE CAPITAL MANAGEMENT
Rank #7
2.68%
- Shares
- 9.03M
- Change
- +68.02K
- Change %
- +76.00%
- Filing
- Mar 31, 2026
Increased
MORGAN STANLEY
Rank #8
2.45%
- Shares
- 8.26M
- Change
- +342.24K
- Change %
- +4.32%
- Filing
- Mar 31, 2026
Increased
JPMORGAN CHASE & CO
Rank #9
2.22%
- Shares
- 7.49M
- Change
- -3.26M
- Change %
- -30.30%
- Filing
- Mar 31, 2026
Decreased
LONE PINE CAPITAL LLC
Rank #10
1.83%
- Shares
- 6.19M
- Change
- +975.70K
- Change %
- +18.72%
- Filing
- Mar 31, 2026
Increased
NORGES BANK
Rank #11
1.37%
- Shares
- 4.63M
- Change
- -170.35K
- Change %
- -3.55%
- Filing
- Dec 31, 2025
Decreased
UBS GROUP AG
Rank #12
1.36%
- Shares
- 4.60M
- Change
- +1.89M
- Change %
- +69.66%
- Filing
- Mar 31, 2026
Increased
MASSACHUSETTS FINANCIAL SERVICES CO
Rank #13
1.17%
- Shares
- 3.95M
- Change
- -2.58M
- Change %
- -39.48%
- Filing
- Mar 31, 2026
Decreased
DIMENSIONAL FUND ADVISORS LP
Rank #14
1.02%
- Shares
- 3.44M
- Change
- +32.98K
- Change %
- +97.00%
- Filing
- Mar 31, 2026
Increased
GOLDMAN SACHS GROUP INC
Rank #15
0.99%
- Shares
- 3.34M
- Change
- +392.41K
- Change %
- +13.32%
- Filing
- Mar 31, 2026
Increased
JANE STREET GROUP
Rank #16
0.96%
- Shares
- 3.25M
- Change
- +517.87K
- Change %
- +18.93%
- Filing
- Mar 31, 2026
Increased
CANADA PENSION PLAN INVESTMENT BOARD
Rank #17
0.94%
- Shares
- 3.18M
- Change
- +1.93M
- Change %
- +1.55%
- Filing
- Mar 31, 2026
Increased
INVESCO LTD.
Rank #18
0.93%
- Shares
- 3.15M
- Change
- -442.72K
- Change %
- -12.31%
- Filing
- Mar 31, 2026
Decreased
NORTHERN TRUST CORP
Rank #19
0.93%
- Shares
- 3.15M
- Change
- +99.11K
- Change %
- +3.25%
- Filing
- Mar 31, 2026
Increased
BANK OF AMERICA CORP
Rank #20
0.88%
- Shares
- 2.98M
- Change
- -339.46K
- Change %
- -10.21%
- Filing
- Mar 31, 2026
Decreased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 12.3% | 41.59M | +390.16K Increased | +95.00% | Dec 31, 2025 | |
| 2 | 8.44% | 28.48M | -1.85M Decreased | -6.08% | Mar 31, 2026 | |
| 3 | 6.34% | 21.39M | +21.39M Initiated | — | Mar 31, 2026 | |
| 4 | 5.01% | 16.90M | +16.90M Initiated | — | Mar 31, 2026 | |
| 5 | 4.97% | 16.77M | +295.61K Increased | +1.79% | Mar 31, 2026 | |
| 6 | 4.68% | 15.81M | -1.19M Decreased | -6.99% | Mar 31, 2026 | |
| 7 | 2.68% | 9.03M | +68.02K Increased | +76.00% | Mar 31, 2026 | |
| 8 | 2.45% | 8.26M | +342.24K Increased | +4.32% | Mar 31, 2026 | |
| 9 | 2.22% | 7.49M | -3.26M Decreased | -30.30% | Mar 31, 2026 | |
| 10 | LONE PINE CAPITAL LLC | 1.83% | 6.19M | +975.70K Increased | +18.72% | Mar 31, 2026 |
| 11 | 1.37% | 4.63M | -170.35K Decreased | -3.55% | Dec 31, 2025 | |
| 12 | 1.36% | 4.60M | +1.89M Increased | +69.66% | Mar 31, 2026 | |
| 13 | MASSACHUSETTS FINANCIAL SERVICES CO | 1.17% | 3.95M | -2.58M Decreased | -39.48% | Mar 31, 2026 |
| 14 | 1.02% | 3.44M | +32.98K Increased | +97.00% | Mar 31, 2026 | |
| 15 | 0.99% | 3.34M | +392.41K Increased | +13.32% | Mar 31, 2026 | |
| 16 | JANE STREET GROUP | 0.96% | 3.25M | +517.87K Increased | +18.93% | Mar 31, 2026 |
| 17 | CANADA PENSION PLAN INVESTMENT BOARD | 0.94% | 3.18M | +1.93M Increased | +1.55% | Mar 31, 2026 |
| 18 | 0.93% | 3.15M | -442.72K Decreased | -12.31% | Mar 31, 2026 | |
| 19 | 0.93% | 3.15M | +99.11K Increased | +3.25% | Mar 31, 2026 | |
| 20 | 0.88% | 2.98M | -339.46K Decreased | -10.21% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
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.
MONTEMAYOR, MARGARET
SVP, Chief Accounting Officer
- Shares
- 5.00K
- % company
- <0.01%
- Price
- $164.96
- Value
- $824,800
Filed May 27, 2026
SULT, JOHN R
Director
- Shares
- 1.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
BARBAS, PAUL M
Director
- Shares
- 1.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
BAIERA, GAVIN R.
Director
- Shares
- 1.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
ACOSTA, ARCILIA
Director
- Shares
- 1.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
ACKERMANN, HILARY E.
Director
- Shares
- 1.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
WALTERS, ROBERT CHARLES
Director
- Shares
- 1.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
LAGACY, JULIE A.
Director
- Shares
- 1.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
HELM, SCOTT B
Director
- Shares
- 2.01K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
CRUTCHFIELD, LISA
Director
- Shares
- 1.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
PITESA, JOHN WILLIAM
Director
- Shares
- 1.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 15, 2026
MOORE, STEPHANIE ZAPATA
EVP and General Counsel
- Shares
- 10.00K
- % company
- <0.01%
- Price
- $160.31
- Value
- $1,603,100
Filed Mar 9, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | MONTEMAYOR, MARGARET SVP, Chief Accounting Officer | <0.01% | Sale to issuer | 5.00K | $164.96 | $824,800 | May 27, 2026 |
| 2 | SULT, JOHN R Director | <0.01% | Award / grant | 1.27K | No cash value | No cash value | May 15, 2026 |
| 3 | BARBAS, PAUL M Director | <0.01% | Award / grant | 1.27K | No cash value | No cash value | May 15, 2026 |
| 4 | BAIERA, GAVIN R. Director | <0.01% | Award / grant | 1.27K | No cash value | No cash value | May 15, 2026 |
| 5 | ACOSTA, ARCILIA Director | <0.01% | Award / grant | 1.27K | No cash value | No cash value | May 15, 2026 |
| 6 | ACKERMANN, HILARY E. Director | <0.01% | Award / grant | 1.27K | No cash value | No cash value | May 15, 2026 |
| 7 | WALTERS, ROBERT CHARLES Director | <0.01% | Award / grant | 1.27K | No cash value | No cash value | May 15, 2026 |
| 8 | LAGACY, JULIE A. Director | <0.01% | Award / grant | 1.27K | No cash value | No cash value | May 15, 2026 |
| 9 | HELM, SCOTT B Director | <0.01% | Award / grant | 2.01K | No cash value | No cash value | May 15, 2026 |
| 10 | CRUTCHFIELD, LISA Director | <0.01% | Award / grant | 1.27K | No cash value | No cash value | May 15, 2026 |
| 11 | PITESA, JOHN WILLIAM Director | <0.01% | Award / grant | 1.27K | No cash value | No cash value | May 15, 2026 |
| 12 | MOORE, STEPHANIE ZAPATA EVP and General Counsel | <0.01% | Sale to issuer | 10.00K | $160.31 | $1,603,100 | Mar 9, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest VST shareholders?
VANGUARD GROUP INC is the largest institutional holder in the loaded VST ownership feed, with 41.59 million shares, or about 12.32% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of VST?
The current TECHi snapshot has 120 loaded institutional rows for Vistra Corp.. 74 rows are marked increased or initiated, while 46 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see Vistra Corp. insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for VST, with the latest insider filing dated May 27, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are VST insiders buying or selling?
The loaded VST Form 4 rows currently read Net selling: 75 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active VST insider in the loaded filings?
BURKE, JAMES A is the most active insider by absolute share movement in the loaded VST rows, with 1.84 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.