Water Island Capital Llc Q2 2026 Portfolio Activity: Significant Buys and Sells Observed

A detailed analysis of Water Island Capital's holdings changes during the second quarter of 2026, highlighting major purchases in companies like Catalyst Pharmaceuticals (CPRX) and new positions across various sectors.

By Insiderset.Aug 19, 2026, 5:33 AM
Water Island Capital Llc Q2 2026 Portfolio Activity: Significant Buys and Sells Observed

Quarterly Portfolio Shifts at Water Island Capital Llc

As reported by insiderset.com data for the period ending June 30th, 2026, Water Island Capital Llc has demonstrated substantial activity within its portfolio. The firm's total assets under management stood at $894 million during this quarter.

Healthcare Sector Focus

The Healthcare sector saw considerable attention from Water Island Capital in Q2 2026, with several notable actions observed:

  • Catalyst Pharmaceuticals (CPRX): The firm initiated a new position in this company.
  • AVANOS Med Inc (AVNS): Water Island Capital significantly increased its stake by acquiring all shares previously held, indicating strong confidence or a replacement strategy.
  • ESPERION THERAPEUTICS INC NE (ESPR): Another new position added to the portfolio.
  • ORGANON & CO (OGN): The investor established a fresh holding in Organon, replacing any previous stake entirely.

Industrials and Utilities Investments

In Industrials, Water Island Capital focused on key players:

  • NORFOLK SOUTHN CORP (NSC): The firm bolstered its position significantly.
  • ARCOSA INC (ACA): A new holding was added to the portfolio in this sector.

The Utilities sector also featured prominently:

  • DOMINION ENERGY INC (D): Water Island Capital initiated a new position, adding exposure to this utility company.

Consumer-Related Holdings and Real Estate Activity

The Consumer Cyclical sector experienced notable changes:

  • TAYLOR MORRISON HOME CORP (TMHC): The investor maintained its position but also added a new stake in this company.
  • CAESARS ENTERTAINMENT INC NE (CZR): A significant increase was noted, suggesting strong interest or a replacement action.

In Real Estate:

  • WHITESTONE REIT (WSR): Water Island Capital initiated this new holding.
  • SILA REALTY TRUST INC (SILA): The firm also added a position in this real estate investment trust.

No Disclosures for Certain Activities

According to the provided data, Water Island Capital did not disclose any sales activities resulting in percentage changes during Q2 2026. Furthermore, no information is available regarding purchases of shares that resulted in a decrease or maintenance without change.