code: def institutional(self) -> pd.DataFrame:
      if self._institutional is None:
          # self._scrape(self.proxy)
          self._fetch_and_parse()
      return self._institutional
  
imports: import pandas
  import requests
  from yfinance import utils
  from yfinance.data import YfData
  from yfinance.const import _BASE_URL_
  from yfinance.exceptions import YFinanceDataException
label_desc: Use image node_id 3 for calling the Holders obj's underlying member method code with example usage: obj.institutional() and returns: self