Class: ThirteenF::NetPosition

Inherits:
Object
  • Object
show all
Defined in:
lib/thirteen_f/net_position.rb

Overview

a net position ignores the “other manager” and “investment discretion” column and rollups positions by CUSIP, see a Berkshire Hathaway Inc 13-F for why this is useful: www.sec.gov/Archives/edgar/data/1067983/000095012320002466/xslForm13F_X01/form13fInfoTable.xml

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cusip:, name_of_issuer:, title_of_class:, put_or_call:, value_in_thousands:, shares_or_principal_amount:, shares_or_principal_amount_type:, voting_authority:) ⇒ NetPosition

Returns a new instance of NetPosition.



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# File 'lib/thirteen_f/net_position.rb', line 34

def initialize(cusip:, name_of_issuer:, title_of_class:, put_or_call:,
               value_in_thousands:, shares_or_principal_amount:,
               shares_or_principal_amount_type:, voting_authority:)
  @cusip = cusip
  @name_of_issuer = name_of_issuer
  @title_of_class = title_of_class
  @value_in_thousands = value_in_thousands
  @put_or_call = put_or_call
  @shares_or_principal_amount = shares_or_principal_amount
  @shares_or_principal_amount_type = shares_or_principal_amount_type
  @voting_authority = voting_authority
  true
end

Instance Attribute Details

#cusip ⇒ Object (readonly)

Returns the value of attribute cusip.



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# File 'lib/thirteen_f/net_position.rb', line 10

def cusip
  @cusip
end

#filing ⇒ Object (readonly)

Returns the value of attribute filing.



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# File 'lib/thirteen_f/net_position.rb', line 10

def filing
  @filing
end

#investment_discretion ⇒ Object (readonly)

Returns the value of attribute investment_discretion.



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# File 'lib/thirteen_f/net_position.rb', line 10

def investment_discretion
  @investment_discretion
end

#name_of_issuer ⇒ Object (readonly)

Returns the value of attribute name_of_issuer.



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# File 'lib/thirteen_f/net_position.rb', line 10

def name_of_issuer
  @name_of_issuer
end

#put_or_call ⇒ Object (readonly)

Returns the value of attribute put_or_call.



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# File 'lib/thirteen_f/net_position.rb', line 10

def put_or_call
  @put_or_call
end

#shares_or_principal_amount ⇒ Object (readonly)

Returns the value of attribute shares_or_principal_amount.



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# File 'lib/thirteen_f/net_position.rb', line 10

def shares_or_principal_amount
  @shares_or_principal_amount
end

#shares_or_principal_amount_type ⇒ Object (readonly)

Returns the value of attribute shares_or_principal_amount_type.



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# File 'lib/thirteen_f/net_position.rb', line 10

def shares_or_principal_amount_type
  @shares_or_principal_amount_type
end

#title_of_class ⇒ Object (readonly)

Returns the value of attribute title_of_class.



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# File 'lib/thirteen_f/net_position.rb', line 10

def title_of_class
  @title_of_class
end

#value_in_thousands ⇒ Object (readonly)

Returns the value of attribute value_in_thousands.



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# File 'lib/thirteen_f/net_position.rb', line 10

def value_in_thousands
  @value_in_thousands
end

#voting_authority ⇒ Object (readonly)

Returns the value of attribute voting_authority.



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# File 'lib/thirteen_f/net_position.rb', line 10

def voting_authority
  @voting_authority
end

Class Method Details

.call(positions) ⇒ Object 



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# File 'lib/thirteen_f/net_position.rb', line 14

def self.call(positions)
  cusips = positions.map(&:cusip).uniq
  cusips.map do |cusip|
    subset = positions.select { |position| position.cusip == cusip }
    new(
      name_of_issuer: subset.first.name_of_issuer,
      cusip: cusip, title_of_class: subset.first.title_of_class,
      value_in_thousands: subset.map(&:value_in_thousands).sum,
      shares_or_principal_amount: subset.map(&:shares_or_principal_amount).sum,
      shares_or_principal_amount_type: subset.first.shares_or_principal_amount_type,
      put_or_call: subset.first.put_or_call,
      voting_authority: {
        sole: subset.map { |x| x.voting_authority[:sole] }.sum,
        shared: subset.map { |x| x.voting_authority[:shared] }.sum,
        none: subset.map { |x| x.voting_authority[:none] }.sum
      }
    )
  end
end