William Blair $ Company »

Proshares Ultrashort 20+y Tr etf shares owned by William Blair $ Company

Quarter-by-quarter ownership of Proshares Ultrashort 20+y Tr etf (TBT) shares owned by William Blair $ Company from 13F filings

Historical chart of William Blair $ Company investment in Proshares Ultrashort 20+y Tr etf

Oct 2012Nov 2012Dec 2012Jan 2013Feb 2013Mar 2013Apr 2013240k245k250k255k260k5k10k15k
Value ($)Share countHistorical TBT position of William Blair $ … Source: stockzoa.comValue ($)Share count

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All positions including Proshares Ultrashort 20+y Tr etf held by William Blair $ Company consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Proshares Ultrashort 20+y Tr etf by William Blair $ Company

Quarter filed Position value Share count Share price at filing
2013-03-31 $259k 3.9k 65.79
2012-12-31 $245k 3.9k 63.42
2012-09-30 $240k 16k 15.53