Southwest Airlines, ZoomInfo, Bitdeer, and More Stocks See Activist Action -- Barrons.com

Dow Jones
02/28

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 Feb. 19 through Feb. 25, 2026. Source: VerityData

Increases in Holdings

ZoomInfo Technologies$(GTM)$ HighSage Ventures raised its stake in the data broker to 20,410,148 shares. HighSage Ventures did so through the purchase of 3,500,000 ZoomInfo Technologies shares from Feb. 11 through Feb. 13 at per share prices ranging from $6.33 to $6.86.

Following the latest purchases, HighSage Ventures owns a 6.7% stake in ZoomInfo Technologies' outstanding stock. Shares of ZoomInfo have lost roughly 36.2% of their value since the beginning of this year.

Bitdeer Technologies $(BTDR)$ Tether Holdings raised its stake in the blockchain specialist to 38,356,531 shares. Tether Holdings did so through the purchase of 5,008,335 Bitdeer Technologies shares from Feb. 17 through Feb. 19 at per share prices ranging from $8.01 to $9.83.

Following the latest purchases, Tether Holdings owns a 20.1% stake in Bitdeer's outstanding stock. Shares of Bitdeer Technologies have lost approximately 26% of their value since the beginning of this year.

Monro $(MNRO)$ Gamco Investors raised its stake in the operator of automobile service stations to 2,500,557 shares. Gamco Investors did so through the net purchase of 451,210 Monro shares from Jan. 29 through Feb. 23 at per share prices ranging from $18.45 to $23.56.

Following the latest purchases, Gamco Investors owns an 8.3% stake in Monro's outstanding stock. Shares of Monro have gained roughly 12.7% in value since the beginning of this year.

Decreases in Holdings

Bristow Group $(VTOL)$ South Dakota Investment Council lowered its stake in the provider of vertical flight solutions to 2,098,126 shares. South Dakota Investment did so through the sale of 298,072 Bristow shares from Feb. 6 through Feb. 20 at per share prices ranging from $44.53 to $46.77. Following the latest sales, South Dakota Investment continues to own a 7.3% stake in Bristow's outstanding stock. Shares of Bristow have gained roughly 25.1% in value in 2026.

DHT Holdings $(DHT)$ BW Group reduced its stake in the crude-oil tanker company to 13,461,181 shares. BW Group did so through the sale of 1,800,000 DHT shares from Jan. 29 through Feb. 19 at per share prices ranging from $13.68 to $16.91. Following the latest sales, BW Group continues to own an 8.4% stake in DHT's outstanding stock. Shares of DHT Holdings have gained about 59.1% in value in 2026.

Southwest Airlines $(LUV)$ Elliott Management lowered its stake in the short-haul airline to 45,875,000 shares. Elliott Management did so through the sale of 11,925,000 Southwest Airlines shares from Feb. 11 through Feb. 23 at per share prices ranging from $50.35 to $55.07.

Following the latest sales, Elliott Management continues to own a 9.3% stake in Southwest Airlines' outstanding stock. Shares of Southwest Airlines have gained roughly 20.8% in value in 2026.

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 Feb. 19 through Feb. 25, 2026. Source: VerityData

Increases in Holdings

ZoomInfo Technologies(GTM) HighSage Ventures raised its stake in the data broker to 20,410,148 shares. HighSage Ventures did so through the purchase of 3,500,000 ZoomInfo Technologies shares from Feb. 11 through Feb. 13 at per share prices ranging from $6.33 to $6.86.

Following the latest purchases, HighSage Ventures owns a 6.7% stake in ZoomInfo Technologies' outstanding stock. Shares of ZoomInfo have lost roughly 36.2% of their value since the beginning of this year.

Bitdeer Technologies (BTDR) Tether Holdings raised its stake in the blockchain specialist to 38,356,531 shares. Tether Holdings did so through the purchase of 5,008,335 Bitdeer Technologies shares from Feb. 17 through Feb. 19 at per share prices ranging from $8.01 to $9.83.

Following the latest purchases, Tether Holdings owns a 20.1% stake in Bitdeer's outstanding stock. Shares of Bitdeer Technologies have lost approximately 26% of their value since the beginning of this year.

Monro (MNRO) Gamco Investors raised its stake in the operator of automobile service stations to 2,500,557 shares. Gamco Investors did so through the net purchase of 451,210 Monro shares from Jan. 29 through Feb. 23 at per share prices ranging from $18.45 to $23.56.

Following the latest purchases, Gamco Investors owns an 8.3% stake in Monro's outstanding stock. Shares of Monro have gained roughly 12.7% in value since the beginning of this year.

Decreases in Holdings

Bristow Group (VTOL) South Dakota Investment Council lowered its stake in the provider of vertical flight solutions to 2,098,126 shares. South Dakota Investment did so through the sale of 298,072 Bristow shares from Feb. 6 through Feb. 20 at per share prices ranging from $44.53 to $46.77. Following the latest sales, South Dakota Investment continues to own a 7.3% stake in Bristow's outstanding stock. Shares of Bristow have gained roughly 25.1% in value in 2026.

DHT Holdings (DHT) BW Group reduced its stake in the crude-oil tanker company to 13,461,181 shares. BW Group did so through the sale of 1,800,000 DHT shares from Jan. 29 through Feb. 19 at per share prices ranging from $13.68 to $16.91. Following the latest sales, BW Group continues to own an 8.4% stake in DHT's outstanding stock. Shares of DHT Holdings have gained about 59.1% in value in 2026.

Southwest Airlines (LUV) Elliott Management lowered its stake in the short-haul airline to 45,875,000 shares. Elliott Management did so through the sale of 11,925,000 Southwest Airlines shares from Feb. 11 through Feb. 23 at per share prices ranging from $50.35 to $55.07.

Following the latest sales, Elliott Management continues to own a 9.3% stake in Southwest Airlines' outstanding stock. Shares of Southwest Airlines have gained roughly 20.8% in value in 2026.

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

February 27, 2026 21:31 ET (02:31 GMT)

Copyright (c) 2026 Dow Jones & Company, Inc.

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