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As of the latest SEC filings, PROSHARES ULTRASHORT 20+ YEAR TREASURY (TBT) is held by 2 institutional funds. The largest fund shareholder is Efficient Market Portfolio Plus ETF (EMPB), holding an estimated $2,097,001.41 in market value, representing 11.24% of its portfolio.

Funds holding PROSHARES ULTRASHORT 20+ YEAR TREASURY (TBT)

Source: SEC Form N-PORT institutional portfolio disclosures

Ticker:
TBT
CIK:
2 results
Fund Type Manager Weight Market Value Shares
Report Date
Filing Date
EMPB
Efficient Market Portfolio Plus ETF
 ETF Independent / Boutique 11.24% $2,097,001.41 64,983 Feb 27, 2026 Apr 29, 2026
USAF
Atlas America Fund
 ETF Independent / Boutique 3.27% $608,905.92 17,328 Mar 31, 2026 May 28, 2026
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