[
  {
    "holder": "Citadel Advisors LLC",
    "issuer": "Xvivo Perfusion Aktiebolag",
    "isin": "SE0004840718",
    "position_percent": 1.0,
    "position_percent_raw": "1",
    "position_date": "2026-07-28",
    "comment": ""
  },
  {
    "holder": "JPMorgan Asset Management (UK) Ltd",
    "issuer": "Xvivo Perfusion Aktiebolag",
    "isin": "SE0004840718",
    "position_percent": 1.36,
    "position_percent_raw": "1,36",
    "position_date": "2026-07-16",
    "comment": ""
  },
  {
    "holder": "ActusRayPartners Limited",
    "issuer": "Xvivo Perfusion Aktiebolag",
    "isin": "SE0004840718",
    "position_percent": 0.5,
    "position_percent_raw": "0,5",
    "position_date": "2026-05-12",
    "comment": ""
  },
  {
    "holder": "Marchant MC Ltd",
    "issuer": "Xvivo Perfusion Aktiebolag",
    "isin": "SE0004840718",
    "position_percent": 1.57,
    "position_percent_raw": "1,57",
    "position_date": "2026-05-08",
    "comment": ""
  },
  {
    "holder": "D E Shaw Co LP",
    "issuer": "Xvivo Perfusion Aktiebolag",
    "isin": "SE0004840718",
    "position_percent": 0.59,
    "position_percent_raw": "0,59",
    "position_date": "2026-04-21",
    "comment": ""
  },
  {
    "holder": "Winton Capital Management Limited",
    "issuer": "Xvivo Perfusion Aktiebolag",
    "isin": "SE0004840718",
    "position_percent": 0.59,
    "position_percent_raw": "0,59",
    "position_date": "2026-04-17",
    "comment": ""
  }
]