curl --request POST \
  --url https://api.bigdata.com/v1/holdings/stocks/funds \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '{
  "identifier": {
    "type": "rp_entity_id",
    "value": "4A6F00"
  },
  "filters": {
    "quarter": 2,
    "year": 2023
  }
}'

{
  "results": {
    "funds": [
      {
        "rp_entity_id": "HJ95FV",
        "name": "Blackrock",
        "rank": 1,
        "market_value": 253273263449,
        "status": "increased",
        "shares": 1140202870,
        "shares_last": 1123417607,
        "shares_change": 16785263,
        "shares_change_percent": 1.49,
        "capital_flow": 3728510470
      }
    ]
  },
  "metadata": {
    "request_id": "123e4567-e89b-12d3-a456-426614174000",
    "timestamp": "2025-09-08T10:52:33.453834+00:00",
    "rp_entity_id": "D8442A",
    "stock_name": "Apple",
    "year": 2025,
    "quarter": 1
  }
}