Treasury ETF

Also, much of the flows came in big blocks, rather than as a slow and steady stream, MoneyBeat reports.

“We have seen a number of significant-sized trades that indicate institutions–it’s not clear which ones–are doing some of this buying,” Tucker said. “In the first quarter, investors really pulled away from Treasurys with the concern they would feel the impact of rising rates. But in the second quarter, some of those fears have abated.”

iShares 20+ Year Treasury Bond

Full disclosure: Tom Lydon’s clients own TLT.