| T. Rowe Price Associates, Inc. |
3,814,132 |
11.75 |
541,875 |
3/31/20 |
| AllianceBernstein L.P. |
3,557,867 |
10.96 |
134,291 |
3/31/20 |
| Jackson Square Partners, LLC |
2,967,745 |
9.14 |
379,978 |
3/31/20 |
| The Vanguard Group, Inc. |
2,340,508 |
7.21 |
162,562 |
3/31/20 |
| BlackRock Institutional Trust Company, N.A. |
2,274,238 |
7.00 |
-91,091 |
3/31/20 |
| Fidelity Investments Canada ULC |
1,290,892 |
3.98 |
175,135 |
3/31/20 |
| Schnatter (John H) |
1,276,999 |
3.93 |
-669,107 |
3/24/20 |
| Dorsal Capital Management, LLC |
900,000 |
2.77 |
100,000 |
3/31/20 |
| Dimensional Fund Advisors, L.P. |
859,643 |
2.65 |
-57,084 |
3/31/20 |
| Renaissance Technologies LLC |
839,968 |
2.59 |
-79,100 |
3/31/20 |
| Westwood Management Corp. (Texas) |
720,520 |
2.22 |
227,679 |
3/31/20 |
| State Street Global Advisors (US) |
701,613 |
2.16 |
-2,485 |
3/31/20 |
| Citadel Advisors LLC |
634,599 |
1.95 |
299,359 |
3/31/20 |
| SEI Investments Management Corporation |
557,643 |
1.72 |
58,964 |
3/31/20 |
| Goldman Sachs Asset Management (US) |
527,234 |
1.62 |
453,274 |
3/31/20 |
| Columbia Threadneedle Investments (US) |
510,232 |
1.57 |
406,326 |
3/31/20 |
| Macquarie Investment Management |
449,145 |
1.38 |
27,384 |
3/31/20 |
| Two Sigma Investments, LP |
417,331 |
1.29 |
-406,534 |
3/31/20 |
| Artisan Partners Limited Partnership |
360,238 |
1.11 |
360,238 |
3/31/20 |
| Northern Trust Investments, Inc. |
342,626 |
1.06 |
-3,580 |
3/31/20 |
| Bares Capital Management, Inc. |
336,210 |
1.04 |
-838,753 |
3/31/20 |
| Geode Capital Management, L.L.C. |
335,035 |
1.03 |
20,724 |
3/31/20 |
| Mellon Investments Corporation |
329,819 |
1.02 |
157,768 |
3/31/20 |
| Granite Investment Partners, LLC |
302,369 |
0.93 |
-177,813 |
3/31/20 |
| Goldman Sachs & Company, Inc. |
300,818 |
0.93 |
150,844 |
3/31/20 |
| Driehaus Capital Management, LLC |
297,919 |
0.92 |
14,604 |
3/31/20 |
| Norges Bank Investment Management (NBIM) |
284,645 |
0.88 |
19,801 |
12/31/19 |
| Friess Associates LLC |
283,720 |
0.87 |
195,146 |
3/31/20 |
| Columbus Circle Investors |
273,002 |
0.84 |
11,072 |
3/31/20 |
| Invesco Advisers, Inc. |
272,904 |
0.84 |
-52,352 |
3/31/20 |
| Maverick Capital, Ltd. |
250,836 |
0.77 |
21,369 |
3/31/20 |
| New York State Common Retirement Fund |
210,136 |
0.65 |
58,374 |
3/31/20 |
| 13D Management LLC |
199,802 |
0.62 |
-53,721 |
3/31/20 |
| Charles Schwab Investment Management, Inc. |
197,212 |
0.61 |
10,256 |
3/31/20 |
| Stephens Investment Management Group, LLC |
182,815 |
0.56 |
182,815 |
3/31/20 |
| Kirtley (Olivia F) |
172,746 |
0.53 |
1,767 |
5/22/20 |
| Lord, Abbett & Co. LLC |
165,843 |
0.51 |
165,843 |
3/31/20 |
| Morgan Stanley Smith Barney LLC |
157,301 |
0.48 |
-23,662 |
3/31/20 |
| Rice Hall James & Associates, LLC |
154,905 |
0.48 |
-79,034 |
3/31/20 |
| Sabrepoint Capital Management LLC |
150,000 |
0.46 |
150,000 |
3/31/20 |
| Nicholas Investment Partners, L.P. |
137,350 |
0.42 |
-216,049 |
3/31/20 |
| Segall Bryant & Hamill, LLC |
130,818 |
0.40 |
-44,645 |
3/31/20 |
| CastleArk Management, LLC |
130,660 |
0.40 |
30,145 |
3/31/20 |
| AGF Investments Inc. |
130,000 |
0.40 |
30,000 |
3/31/20 |
| BlackRock Investment Management, LLC |
128,697 |
0.40 |
3,806 |
3/31/20 |
| BNY Mellon Asset Management |
127,757 |
0.39 |
19,901 |
3/31/20 |
| Prospect Capital Advisors, LLC |
127,550 |
0.39 |
127,550 |
3/31/20 |
| PENN Capital Management Company, Inc. |
106,390 |
0.33 |
5,521 |
3/31/20 |
| Pier Capital, LLC |
102,018 |
0.31 |
-6,262 |
3/31/20 |
| Kennedy Capital Management, Inc. |
101,745 |
0.31 |
6,535 |
3/31/20 |