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 May 7 through May 13, 2026. Source: VerityData

Increases in Holdings

Ashland (ASH) Standard Investments raised its stake in the specialty chemicals company to 3,605,001 shares. Standard Investments did so through the purchase of 980,001 Ashland shares from April 14 through May 11 at per share prices ranging from $49.87 to $55.99. Following the latest purchases, Standard Investments owns a 7.9% stake in Ashland's outstanding stock. Shares of Ashland have lost about 5.6% of their value in 2026.

Decreases in Holdings

BlackBerry $(BB)$ Fairfax Financial Holdings lowered its stake in the software and cybersecurity company to 26,264,199 shares. Fairfax Financial Holdings did so through the sale of 9,141,592 BlackBerry shares from April 20 through May 4 at per share prices ranging from $5.50 to $6.13. Following the latest sales, Fairfax Financial owns a 4.5% stake in BlackBerry's outstanding stock, placing Fairfax below the 5% threshold that would require it to report further sales. Shares of BlackBerry have gained roughly 60.5% in value in 2026.

Texas Pacific Land $(TPL)$ Horizon Kinetics lowered its stake in the land and resource management company to 10,109,933 shares. Horizon Kinetics did so through the sale of 228,310 Texas Pacific Land shares from March 6 through May 5 at per share prices ranging from $399.44 to $538.74, and slightly offset those sales through the purchase of 2,064 shares over the same period at $387.52 to $537.15. On May 5, Texas Pacific Land entered into a Board Representative Agreement with Horizon, pursuant to which the company appointed Horizon Kinetics co-CEO Peter Doyle to its board of directors. Following the latest activity, Horizon Kinetics continues to own a 14.7% stake in Texas Pacific Land's outstanding stock. Shares of Texas Pacific Land have gained about 29.7% in value in 2026.

Southwest Gas Holdings(SWX) Corvex Management lowered its stake in the natural-gas utility to 3,618,161 shares. Corvex Management did so through the sale of 818,125 Southwest Gas Holdings shares from March 9 through May 6 at per share prices ranging from $87.38 to $90.34. Following the latest sales, Corvex Management continues to own a 4.99% stake in Southwest Gas' outstanding stock, placing Corvex below the 5% threshold that would require it to report further sales. Shares of Southwest Gas have gained about 10.7% in value in 2026.

International Seaways$(INSW)$ Famatown Finance lowered its stake in the crude-oil tanker company to 7,254,022 shares. Famatown Finance did so through the sale of 556,472 International Seaways shares from April 30 to May 11 at per share prices ranging from $81.28 to $92.12. Following the latest sales, Famatown Finance continues to own a 14.7% stake in International Seaways' outstanding stock. Shares of International Seaways have gained roughly 81.6% in value in 2026.

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May 15, 2026 18:23 ET (22:23 GMT)

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