Corebridge and 4 More Stocks See Action From Activist Investors

These disclosures are from 13Ds filed with the Securities and Exchange Commission. 13Ds are filed within 10 days of an entity’s attaining more than 5% in any class of a company’s securities. Subsequent changes in holdings or intentions must be reported in amended filings. This material is from Oct. 8 through Oct. 14, 2026. Source: VerityData

Increases in Holdings

Corebridge Financial (CRBG)
Nippon Life Insurance raised its stake in the retirement and insurance products provider to 126,604,050 shares. Nippon Life Insurance did so through the purchase of 4,614,523 Corebridge Financial shares from Sept. 9 through Oct. 2 at per share prices ranging from $32.29 to $35.60. This comes after Corebridge Financial shareholders approved a definitive merger with Equitable Holdings in July that is expected to close by year end. Following the latest purchases, Nippon Life Insurance owns a 28.4% stake in Corebridge Financial’s outstanding stock. Shares of Corebridge Financial have gained roughly 12.2% in value in 2026.

Decreases in Holdings

General Dynamics (GD)
Longview Asset Management lowered its stake in the aerospace and defense company to 24,388,917 shares. Longview Asset Management did so through the sale of 2,707,871 General Dynamics shares from Sept. 1 through Oct. 1 at per share prices ranging from $332.20 to $369.72. Following the latest sales, Longview Asset Management continues to own a 9% stake in General Dynamics’ outstanding stock. Shares of General Dynamics have lost approximately 2.5% of their value since the beginning of this year.

StoneCo (STNE)
Madrone Capital Partners lowered its stake in the payments and financial-technology company to 25,228,161 shares. Madrone Capital Partners did so through the sale of 750,000 StoneCo shares on Oct. 5 at per share prices ranging from $11.75 to $12.02. Following the latest sales, Madrone Capital Partners continues to own a 10.8% stake in StoneCo’s outstanding stock. Shares of StoneCo have lost roughly 21.3% of their value since the beginning of this year.

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International Seaways (INSW)
Famatown Finance lowered its stake in the crude-oil tanker company to 6,704,304 shares. Famatown Finance did so through the sale of 445,290 International Seaways shares from Sept. 18 through Oct. 8 at per share prices ranging from $111.09 to $118.50. Following the latest sales, Famatown Finance continues to own a 13.5% stake in International Seaways’ outstanding stock. Shares of International Seaways have gained approximately 149.5% in value since the beginning of this year.

Seadrill (SDRL)
Elliott Management lowered its stake in the offshore oil drilling contractor to 3,108,641 shares. Elliott Management did so through the sale of 534,471 Seadrill shares from Sept. 22 through Oct. 8 at per share prices ranging from $43.90 to $47.43. Following the latest sales, Elliott Management continues to own a 4.9% stake in Seadrill’s outstanding stock, placing Elliott below the 5% threshold that would require it to report further sales. Shares of Seadrill have gained roughly 37.3% in value since the beginning of this year.

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