OMAHA, Neb. (AP) — Berkshire Hathaway revealed three new investments Thursday in steelmaker Nucor and two of the nation’s biggest homebuilders — Lennar and DR Horton — but none of the investments are big enough to ensure that legendary investor Warren Buffett handled them.

Berkshire Hathaway revealed four new investments Thursday in steelmaker Nucor, insurer UnitedHealth and two of the nation’s biggest homebuilders — Lennar and DR Horton — but only one of the investment

Warren Buffett has added new positions in Nucor NUE, UnitedHealth Group UNH, while shedding more shares of Apple AAPL and Bank of America BAC, the quarterly Form 13-F filed with the Securities and Exchange Commission revealed on Thursday afternoon.