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 Aug. 14 through Aug. 20, 2025. Source: VerityData (verityplatform.com)

Increases in Holdings

Rapid7 $(RPD)$ Jana Partners raised its stake in the cybersecurity company to 6,518,604 shares. Jana Partners did so through the purchase of 772,194 Rapid7 shares from Aug. 11 through Aug. 13, 2025, at per share prices ranging from $18.16 to $21.32. Following the latest purchases, Jana Partners owns 10.1% of Rapid7's outstanding stock. Shares of Rapid7 have lost roughly 48.5% of their value in 2025.

Resideo Technologies $(REZI)$ CD&R Channel Holdings II increased its stake in the smart home and security technology company to 30,650,397 shares. CD&R did so through the purchase of 1,900,147 Resideo Technologies shares from Aug. 8 through Aug. 18, 2025, at per share prices ranging from $27.08 to $32. Following the latest purchases, CD&R Channel Holdings owns 18.3% of Resideo Technologies' outstanding stock. Shares of Resideo Technologies have gained roughly 40.7% in value in 2025.

Decreases in Holdings

Appian $(APPN)$ Abdiel Capital Advisors lowered its stake in the business process management platform to 2,811,930 shares. Abdiel Capital Advisors did so through the sale of 1,428,304 Appian shares from Aug. 12 through Aug. 13, 2025, at per share prices ranging from $27.75 to $29.72. Following the latest sales, Abdiel Capital Advisors continues to own 6.6% of Appian's outstanding stock. Shares of Appian have lost roughly 12.7% of their value in 2025.

Garrett Motion (GTX) Centerbridge Credit Partners Master reduced its stake in the vehicle parts maker to 16,046,809 shares. Centerbridge did so through the open market sale of 9,000,000 Garrett Motion shares on Aug. 13, 2025, at a price of $12.27 per share. Following the latest sales, Centerbridge continues to own 8% of Garrett Motion's outstanding stock. Shares of Garrett Motion have gained roughly 47.6% in value in 2025.

Arcellx $(ACLX)$ New Enterprise Associates lowered its stake in the clinical-stage biotechnology company to 3,055,360 shares. New Enterprise Associates did so through the open market sale of 38,520 Arcellx shares on Aug. 13, 2025, at per share prices ranging from $67.24 to $72.94. Following the latest sales, New Enterprise Associates owns 5.5% of Arcellx's outstanding stock. Shares of Arcellx have lost approximately 9.2% of their value in 2025.

Disc Medicine (IRON) Atlas Venture Fund X reduced its stake in the clinical-stage biopharmaceutical company to 2,148,984 shares. Atlas Venture Fund did so through the sale of 235,472 Disc Medicine shares from July 18 through Aug. 14, 2025, at per share prices ranging from $60.95 to $61.62. Following the latest sales, Atlas Venture Fund continues to own 6.2% of Disc Medicine's outstanding stock. Shares of Disc Medicine have lost approximately 6% of their value in 2025.

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August 22, 2025 17:16 ET (21:16 GMT)

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