The NBA officially recognizes four quadruple-doubles: Nate Thurmond, October 18, 1974, Chicago vs. Atlanta; 22 points, 14 rebounds, 13 assists, 12 blocks. (OT)<sup id="cite_ref-0" class="reference">[1]</sup> Alvin Robertson, February 18, 1986, San Antonio vs. Phoenix; 20 points, 11 rebounds, 10 assists, 10 steals.<sup id="cite_ref-1" class="reference">[2]</sup> Hakeem Olajuwon, March 29, 1990, Houston vs. Milwaukee; 18 points, 16 rebounds, 10 assists, 11 blocks.<sup id="cite_ref-2" class="reference">[3]</sup> David Robinson, February 17, 1994, San Antonio vs. Detroit; 34 points, 10 rebounds, 10 assists, 10 blocks.<sup id="cite_ref-3" class="reference">[4]</sup>
Technically I'm right. On March 3, 1990, he had a game that was initially registered with a statline of 29pts, 18rbnds, 9asts, and 11blks, though under later review, it was found that he had a 10th assist. Though I'm not sure why the NBA doesn't officially recognize this, but he did have 2.