MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in VST — Vistra Corp.

CIK 912938 Boston, MA

Back to VST Full portfolio

Position in VST

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$594,072,438

-$459,427,785 QoQ

Shares Held

3,951,789

-39.5% QoQ

Ownership

1.17%

of shares outstanding

% of Portfolio

0.21%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 85.3009358546218.ToString("F0")% Shared 13.52465933783408.ToString("F0")% None 1.1744048075441276.ToString("F0")%

Common Shares in VST Over Time

Shares Held

Position Value (USD)

Position in Utilities - Independent Power Producers

Utilities · as of Mar 31, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $963,118,792 across 4 Utilities - Independent Power Producers names. VST ranks #1 (61.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VST	Vistra Corp. This page	3,951,789	$594,072,438
2	CEG	Constellation Energy Corp	981,237	$274,010,432
3	TLN	Talen Energy Corp	184,399	$58,865,690
4	NRG	Nrg Energy, Inc.	247,504	$36,170,232

All Filings in VST

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$594,072,438	3,951,789	-39.5%	Shares	Defined	2026-05-14
2025-12-31	$1,053,500,223	6,530,095	-8.1%	Shares	Sole	2026-01-22
2025-09-30	$1,392,298,619	7,106,465	+15.1%	Shares	Sole	2025-10-29
2025-06-30	$1,196,883,924	6,175,553	+4.4%	Shares	Sole	2025-08-08
2025-03-31	$694,841,978	5,916,570	-5.5%	Shares	Defined	2025-05-02
2024-12-31	$863,116,243	6,260,363	+63.6%	Shares	Sole	2025-02-12
2024-09-30	$453,608,837	3,826,631	+51.1%	Shares	Sole	2024-11-12
2024-06-30	$217,757,845	2,532,657	+115.3%	Shares	Sole	2024-08-09
2024-03-31	$81,920,170	1,176,169	-25.6%	Shares	Sole	2024-05-14
2023-12-31	$60,868,416	1,580,177	-10.5%	Shares	Sole	2024-02-08
2023-09-30	$58,555,298	1,764,777	-7.4%	Shares	Sole	2023-11-08
2023-06-30	$50,053,577	1,906,803	-1.0%	Shares	Sole	2023-08-09
2023-03-31	$46,212,288	1,925,512	+2.0%	Shares	Sole	2023-05-10
2022-12-31	$43,796,193	1,887,767	-13.6%	Shares	Sole	2023-02-13
2022-09-30	$45,878,952	2,184,712	+13.2%	Shares	Sole	2022-11-09
2022-06-30	$44,113,843	1,930,584	+40.4%	Shares	Sole	2022-08-09
2022-03-31	$31,975,468	1,375,289	+27.2%	Shares	Sole	2022-05-11
2021-12-31	$24,626,073	1,081,514	-33.8%	Shares	Sole	2022-02-10
2021-09-30	$27,936,902	1,633,737	-15.6%	Shares	Sole	2021-11-10
2021-06-30	$35,901,391	1,935,385	-34.1%	Shares	Sole	2021-08-13
2021-03-31	$51,909,664	2,936,067	-45.5%	Shares	Sole	2021-05-13
2020-12-31	$105,903,602	5,386,755	-7.8%	Shares	Sole	2021-05-12
2020-09-30	$110,129,496	5,839,316	-3.5%	Shares	Sole	2020-11-12
2020-06-30	$112,706,505	6,052,981	-16.1%	Shares	Sole	2020-11-20
2020-03-31	$115,207,001	7,218,484	—	Shares	Sole	2020-11-20
No filing history on record for this holder in this stock.