Miami International Holdings and More Stocks See Action From Activist Investors -- Barrons.com

Dow Jones04-18

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 April 9 through April 16, 2026. Source: VerityData

Increases in Holdings

Miami International Holdings $(MIAX)$ Horizon Kinetics raised its stake in the exchange operator to 11,061,399 shares. Horizon Kinetics did so through the purchase of 1,311,171 Miami International Holdings shares from Feb. 9 through April 9 at per share prices ranging from $37.74 to $43.37, and slightly offset those purchases through the sale of 1,431 shares from Feb. 12 to March 17 at $39.63 to $41.75. Horizon also reported the unexpected death of its CEO, Murray Stahl, on April 7.

Following the latest activity, Horizon Kinetics continues to own a 12.1% stake in Miami International Holdings' outstanding stock. Shares of Miami International Holdings have lost just 1.7% of their value since the beginning of this year.

Decreases in Holdings

Texas Pacific Land $(TPL)$ Horizon Kinetics lowered its stake in the land and resource management company to 9,974,556 shares. Horizon Kinetics did so through the sale of 246,624 Texas Pacific Land shares from Feb. 9 through April 9 at per share prices ranging from $370.12 to $538.74, then slightly offset those sales through the purchase of 1,527 shares during that same period at $369 to $537.15.

Following the latest activity, Horizon Kinetics continues to own a 14.5% stake in Texas Pacific Land's outstanding stock. Shares have gained approximately 37.3% in value since the beginning of this year.

Bristow Group $(VTOL)$ South Dakota Investment Council lowered its stake in the provider of vertical flight solutions to 1,795,920 shares. South Dakota Investment Council did so through the sale of 302,206 Bristow Group shares from Feb. 24 through April 9 at per share prices ranging from $47.01 to $50.28.

Following the latest sales, South Dakota Investment Council continues to own a 6.2% stake in Bristow Group's outstanding stock. Shares of Bristow Group have gained approximately 32.5% in value since the beginning of this year.

Satellogic (SATL) CFAC Holdings V lowered its stake in the satellite imagery provider to 9,302,809 shares. CFAC Holdings did so through the sale of 1,856,000 Satellogic shares from April 1 through April 6 at per share prices ranging from $6.01 to $7.04.

Following the latest sales, CFAC Holdings continues to own a 7% stake in Satellogic's outstanding stock. Shares of Satellogic have gained about 257.9% in value since the beginning of this year.

NuScale Power (SMR) Fluor reduced its stake in the nuclear power company to 26,436,472 shares. Fluor did so through the sale of 13.5 million NuScale Power shares to Bank of America on April 9 at a price of $12.07 per share.

Following the latest sale, Fluor continues to own a 7.8% stake in NuScale Power's outstanding stock. Shares of NuScale have lost roughly 28.4% of their value since the beginning of this year.

Email: editors@barrons.com

This content was created by Barron's, which is operated by Dow Jones & Co. Barron's is published independently from Dow Jones Newswires and The Wall Street Journal.

 

(END) Dow Jones Newswires

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 April 9 through April 16, 2026. Source: VerityData

Increases in Holdings

Miami International Holdings (MIAX) Horizon Kinetics raised its stake in the exchange operator to 11,061,399 shares. Horizon Kinetics did so through the purchase of 1,311,171 Miami International Holdings shares from Feb. 9 through April 9 at per share prices ranging from $37.74 to $43.37, and slightly offset those purchases through the sale of 1,431 shares from Feb. 12 to March 17 at $39.63 to $41.75. Horizon also reported the unexpected death of its CEO, Murray Stahl, on April 7.

Following the latest activity, Horizon Kinetics continues to own a 12.1% stake in Miami International Holdings' outstanding stock. Shares of Miami International Holdings have lost just 1.7% of their value since the beginning of this year.

Decreases in Holdings

Texas Pacific Land (TPL) Horizon Kinetics lowered its stake in the land and resource management company to 9,974,556 shares. Horizon Kinetics did so through the sale of 246,624 Texas Pacific Land shares from Feb. 9 through April 9 at per share prices ranging from $370.12 to $538.74, then slightly offset those sales through the purchase of 1,527 shares during that same period at $369 to $537.15.

Following the latest activity, Horizon Kinetics continues to own a 14.5% stake in Texas Pacific Land's outstanding stock. Shares have gained approximately 37.3% in value since the beginning of this year.

Bristow Group (VTOL) South Dakota Investment Council lowered its stake in the provider of vertical flight solutions to 1,795,920 shares. South Dakota Investment Council did so through the sale of 302,206 Bristow Group shares from Feb. 24 through April 9 at per share prices ranging from $47.01 to $50.28.

Following the latest sales, South Dakota Investment Council continues to own a 6.2% stake in Bristow Group's outstanding stock. Shares of Bristow Group have gained approximately 32.5% in value since the beginning of this year.

Satellogic (SATL) CFAC Holdings V lowered its stake in the satellite imagery provider to 9,302,809 shares. CFAC Holdings did so through the sale of 1,856,000 Satellogic shares from April 1 through April 6 at per share prices ranging from $6.01 to $7.04.

Following the latest sales, CFAC Holdings continues to own a 7% stake in Satellogic's outstanding stock. Shares of Satellogic have gained about 257.9% in value since the beginning of this year.

NuScale Power (SMR) Fluor reduced its stake in the nuclear power company to 26,436,472 shares. Fluor did so through the sale of 13.5 million NuScale Power shares to Bank of America on April 9 at a price of $12.07 per share.

Following the latest sale, Fluor continues to own a 7.8% stake in NuScale Power's outstanding stock. Shares of NuScale have lost roughly 28.4% of their value since the beginning of this year.

Email: editors@barrons.com

This content was created by Barron's, which is operated by Dow Jones & Co. Barron's is published independently from Dow Jones Newswires and The Wall Street Journal.

 

(END) Dow Jones Newswires

April 17, 2026 16:50 ET (20:50 GMT)

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