| The Vanguard Group, Inc. |
5,604,505 |
8.89 |
144,143 |
6/30/21 |
| Fidelity Management & Research Company LLC |
4,920,001 |
7.81 |
-159,339 |
6/30/21 |
| Jackson Square Partners, LLC |
3,623,094 |
5.75 |
-82,718 |
6/30/21 |
| Capital World Investors |
3,276,704 |
5.20 |
188,425 |
6/30/21 |
| BlackRock Institutional Trust Company, N.A. |
2,865,931 |
4.55 |
-124,346 |
6/30/21 |
| Credit Suisse Asset Management |
1,658,893 |
2.63 |
-335,557 |
6/30/21 |
| Invesco Advisers, Inc. |
1,582,762 |
2.51 |
-113,243 |
6/30/21 |
| Champlain Investment Partners, LLC |
1,546,570 |
2.45 |
204,410 |
6/30/21 |
| Federated Hermes Global Investment Management Corp. |
1,273,800 |
2.02 |
-- |
6/30/21 |
| Brown Capital Management, LLC |
1,226,116 |
1.95 |
-3,186 |
6/30/21 |
| State Street Global Advisors (US) |
1,190,140 |
1.89 |
346,024 |
6/30/21 |
| RTW Investments L.P. |
1,147,408 |
1.82 |
8,178 |
6/30/21 |
| Fidelity Institutional Asset Management |
1,074,644 |
1.71 |
33,808 |
6/30/21 |
| Bellevue Asset Management AG |
1,020,368 |
1.62 |
493,234 |
6/30/21 |
| Delphi Ventures L.P. |
1,000,000 |
1.59 |
-- |
6/30/21 |
| Consonance Capital Management LP |
979,226 |
1.55 |
979,226 |
6/30/21 |
| Macquarie Investment Management |
879,803 |
1.40 |
825,635 |
6/30/21 |
| Janus Henderson Investors |
831,162 |
1.32 |
831,162 |
6/30/21 |
| Gilder Gagnon Howe & Co. LLC |
790,567 |
1.25 |
9,108 |
6/30/21 |
| Geode Capital Management, L.L.C. |
790,005 |
1.25 |
12,672 |
6/30/21 |
| T. Rowe Price Associates, Inc. |
781,343 |
1.24 |
-312,972 |
6/30/21 |
| Stephens Investment Management Group, LLC |
778,922 |
1.24 |
107,600 |
6/30/21 |
| SEI Investments Management Corporation |
717,441 |
1.14 |
32,064 |
6/30/21 |
| Point72 Asset Management, L.P. |
678,327 |
1.08 |
308,027 |
6/30/21 |
| Blickenstaff (Kim D) |
654,282 |
1.04 |
1,892 |
5/27/21 |
| Norges Bank Investment Management (NBIM) |
617,583 |
0.98 |
-139,067 |
12/31/20 |
| TimesSquare Capital Management, LLC |
598,200 |
0.95 |
-8,600 |
6/30/21 |
| Wellington Management Company, LLP |
561,077 |
0.89 |
13,138 |
6/30/21 |
| Jennison Associates LLC |
533,271 |
0.85 |
16,039 |
6/30/21 |
| First Light Asset Management, LLC |
528,606 |
0.84 |
3,477 |
6/30/21 |
| Eaton Vance Management |
527,583 |
0.84 |
70,583 |
6/30/21 |
| CPR Asset Management |
475,845 |
0.76 |
475,845 |
6/30/21 |
| Charles Schwab Investment Management, Inc. |
464,090 |
0.74 |
11,009 |
6/30/21 |
| Voya Investment Management LLC |
462,659 |
0.73 |
-725,287 |
6/30/21 |
| Chicago Capital, LLC |
457,461 |
0.73 |
-1,432 |
6/30/21 |
| BlackRock Financial Management, Inc. |
402,563 |
0.64 |
54,459 |
6/30/21 |
| Assenagon Asset Management S.A. |
399,752 |
0.63 |
195,481 |
6/30/21 |
| Citadel Advisors LLC |
397,384 |
0.63 |
-253,100 |
6/30/21 |
| Westfield Capital Management Company, L.P. |
395,981 |
0.63 |
-20,468 |
6/30/21 |
| Wasatch Global Investors Inc |
365,783 |
0.58 |
814 |
6/30/21 |
| Mirae Asset Global Investments (USA) LLC |
360,020 |
0.57 |
69,817 |
6/30/21 |
| American Century Investment Management, Inc. |
354,045 |
0.56 |
-67,710 |
6/30/21 |
| Baillie Gifford & Co. |
346,925 |
0.55 |
168 |
6/30/21 |
| Nuveen LLC |
339,404 |
0.54 |
35,108 |
6/30/21 |
| Goldman Sachs Asset Management, L.P. |
335,251 |
0.53 |
-5,087 |
6/30/21 |
| Columbus Circle Investors |
311,279 |
0.49 |
-261,272 |
12/31/20 |
| Banque Lombard Odier & Cie SA |
309,447 |
0.49 |
81,116 |
6/30/21 |
| Millennium Management LLC |
302,412 |
0.48 |
275,522 |
6/30/21 |
| Goldman Sachs & Company, Inc. |
279,505 |
0.44 |
84,216 |
6/30/21 |
| UBS Financial Services, Inc. |
272,626 |
0.43 |
-96,928 |
6/30/21 |
